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CADJET 2 - Printertec

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1. L 1 801 du v pm TVAE paa par T THRE CARTRIDGE muro wg BOT x P O B s BB Je Je HB Ble aojf O a REV L u a oce 1 m us ule eL KE ETT Uae ree ala al al al oe EE oy a uuugd uuugu uuuut BBHH BB B BBHBBHUHH mmm B d T L pnnnnnnnng pnnnnnng nnnnnnni nnnnnnnn 3 B B m m ws d Emo BE cee ise yyy gi emm p V 2118 P mn ese X hm HBBBH B N q BB B 3 F m yuyu ngs Uuuut g 1000000000000 N MADE IN USA Loon 3 TUUUUUUUUUUUUDUUUDUUU vee eu 8 UUUUUUUUUUDUUUUUUUUDU 7 UUUUUUUUUU Him F K HEP g nnnm eqs re r gr Doo Hir H Hi afl i 28 El N UUUUUUUU 5 i LI Figure Chapter 7 11 Assy MPCB P N 205329 CADJET 2 7 13 Replacement Parts List Figure Chapter 7 12 Assy Pinch Roller P N 203637 2 Figure Chapter 7
2. Rel Re3 9 5 reo od met RS EREHE studi cnc mscr E mue e C b c BARRA ARRAR AARAP AARAA gmnnnnnnr nnnnnnnnnnnnnnnnnnnnn B o d b B uee val Ves B R37 u us 4 B ce4 RIS UUUUUUUU DUUUUUUU UUUUUUUU 4 UUUUUUUU R38 240 R52 C nnnnnnn H B US q B 5 E BEHH3B 1 5 4 R39 0118 pnnnnnnunnni 5 4 5 c50 E 5 9 q UUUUUUUUUUUDUUUUUUUUU 4 ooo ooo ea gt nnnnnnm u38 37 all LLLI 6495 6 u34 UUUUUUUUUU 13 L1 Le C66 cee POWER_SUPPLY RAILING JS FAN ASSEME JPT STEF RER M J6 SERVE E Figure Chapter 5 6 Connectors
3. CADJET 2 5 15 Disassembly Assembly 43 MPCB Power must be disconnected Integrated circuits can be weakened or inactivated by electrical discharge It is recommended that you be grounded to a static station by an ESD wrist strap to prevent ESD damage For storage or shipment of printed circuit boards anti static bags are highly recommended NOTE Note Remove any extra SIMMS that have been installed if you are shipping the for servicing or replacement 4 5 1 Removing the MPCB To remove the MPCB 1 Puton an ESD wrist strap 2 Use a 2 6 Phillips screwdriver to remove the three screws holding the MPCB onto the side plate The screws are located to the right of J1 to the left of and to the right of JP1 See Figure Chapter 5 6 Hold the top of the MPCB while removing the Screws 3 Place the MPCB in an ESD bag anti static bag in preparation for shipment to ENCAD for replacement or repair or if it is to be stored for repair at your facility 5 16 CADJET 2 Disassembly Assembly 4 3 2 Reinstalling the MPCB To reinstall the MPCB reverse the steps followed when removing the MPCB 1 Puton an ESD wrist strap 2 Remove the MPCB from the ESD bag 3 Hold the MPCB in place on the Right Side Plate while putting in the three screws in the holes located to the right of J1 to the left of
4. I HEIGHT TO ESTABLISH CARTRIDGE HEIGHT MUST FALL WITHIN 050 070 Figure Chapter 6 3 Carriage Height Measurement Fixture 6 14 CADJET 2 Calibration HAT DEXING DER ERHANG _ MAKE SURE CARTRIDGE m PET EDGE IS CARRIAGE lt EXING EDGE ERHANG r CARRIAGE D Nx 4 Figure Chapter 6 4 Installation of Typical Black Cartridge Sy 6 15 CADJET 2 Calibration 6 16 PAPER EIGHT NO SHAFT HE NOM MIN Table 6 1 below is to be used to select the Carriage height settings based on the absolute shaft height profile settings recorded on the Calibration Worksheet during the Slide Shaft Profile Adjustment procedure in Section 6 1 above Table Chapter 6 1 Carriage Height Settings Chart BLACK CARTRIDGE HEIGHT JET PLATE TO PLATEN CADJET 2 Calibration 6 2 2 Cartridge Head Height Adjusting Procedure Use extreme care to make sure that the Carriage does not scratch the Code Strip Encoder Strip during this procedure Adjustment of the Cartridge head heights is performed using the three screws on the back of the Y Arm which attach the Stabilizer Bracket to the Y Arm See Chapter 5 Figure 5 23 for identification of these screws
5. S REAR MEDIA ALIGNMENT MARK ON THE BACK SIDE OF THE PLATEN ADE LLIN A a 0 00 012 RIGHT APER SLEW ACCEPTANCE RANGE HE WIDTH OF THE MEDIA ALIGN Figure Chapter 6 10 Paper Skew Acceptance Range for Rear Media Alignment Mark 6 36 2 Calibration 8 4 3 Observation of Paper Skew at Front Media Alignment Mark 1 Press FEED MEDIA and then the UP ARROW to move the media forward while you observe the paper skew at the Front Media Alignment Mark 2 The paper should be returning to its pre loading location preferably without any skew gap Engineering specification requires the skew to be within 0 00 0 06 approximately one width of Platen s line See Figure Chapter 6 11 FRONT MEDIA ALIGNMENT MARK LOCATED ON THE FRONT SIDE OF THE PLATEN PAPER y PAPER 0 00 0 06 LEFT PAPER SLEW ACCEPTANCE RIGHT RANGE ONE LINE WIDTH Figure Chapter 6 11 Paper Skew Acceptance Range for Front Media Alignment Mark NOTE Note 1 If the criteria in Sections 8 4 2 and 8 4 3 is not met adjust the rollers according to Section 8 4 4 until the criteria is met If the criteria is met for Rollers 8 7 a
6. 4 18 LCD 4 19 Parallel and Serial Loop Back 4 30 Tri Color Cartridge FleX dime matr as 4 46 Sample of Black Cartridge Diagnostics 4 50 Black Cartridge Failure Test 4 51 Black Cartridge Flex Dimple 4 53 Decision Logic Table One DLT 1 4 4 Decision Logic Table Two DLT 2 4 5 Decision Logic Table Three DLT 3 4 6 Decision Logic Table Four DLT 4 4 7 Decision Logic Table Five DLT 5 4 42 Black Cartridge Flex Test 4 54 4 67 Chapter 5 DISASSEMBLY ASSEMBLY 1 0 Introduction CADJET 2 Chapter 5 contains the procedures for removal and replacement of the CADJET 2 plotter assemblies and mechanisms Illustrations are provided for clarity Steps for each replaceable part may depend on parts already rem
7. 2 6 SE MIGIODIOGOSSOF uaa x ea Sato bcd 2 7 3 5 9art up SegueliGe c te o ei ERREUR EHE RE EE EE 2 8 aL 2 9 Eldstt LM Li D 2 10 oe 2 11 SO EEPROM Ee ee en een AA LEE 2 11 OP EPO MAE ays nr ELM ays 2 12 3 Ti St epper MOto ee 2 13 9 12 SEVO MOTO ARP 2 15 3 13 Parallel and Serial Ports ro e t a e aeta 2 16 3 14 Keypad Display m 2 17 3 15 Garriage GiIreuitSuu LEN 2 18 S TOX EDS Beeper ero roce Aaa 2 19 3 17 Dot Firing Sequence setate afa fatua pi se c c cer es 2 19 3 18 Schematic haa 2 19 2 20 2 FIGURES FIGURE 2 1 FIGURE 2 2 FIGURE 2 3 FIGURE 2 4 FIGURE 2 5 FIGURE 2 6 FIGURE 2 7 CADJET 2 Theory of Operation MAJOR FUNCTIONAL AREAS OF THE PLOTTER 2 5 GATE ARRAY ien ck 2 12 STEPPER MOTOR 2 14 SERVO MOTOR ua 2 15 PARALLEL AND SERIAL 2 16 KEYPAD DIS
8. HAR ESCRIPTIUN WHERE USED NDTES NGLE TRAILING CABLE P N 400010 ON OFF SWITCH KEPNUT 6 32 GROUND POWER CABLE CLAMPS TOTAL 201013 LOWER DRIVE 8 BLK ASSY SUPPORTS I gt POWER CABLE CLAMPS KEYPAD ASSY EXHAUST ARM ASSY TOTAL Y Jose e LEFT SIDE PLATE 0 4 8 30 X 1 2 PPH P N 203442 RIGHT SIDE PLATE 8 38 X 3 4 SEM MPCB 3 TOTAL 19 204386 LEFT amp RIGHT USED HOLD SLIDE SIDE PLATES SHAFT IN PLACE P N 400011 KEPNUT 8 32 LEFT amp RIGHT SIDE PLATES USED W P N 204386 ON SIDE PLATES P N 202518 380 ID X 625 LOWER DRIVE ASSEMBLY P N 203831 RETAINING C TYPE LOWER DRIVE ASSEMBLY P N 204920 A ASHER BOWED LOWER DRIVE ASSEMBLY THE FOLLOWIN REFERENCED ON FINAL ASSEMBLY WINGS FIGURE NUMBERS GIVEN IN THE YOU TH SEE THE HARDWARE IS USE p 203434 HOLDS SERVO MOTOR 8 32 X 5 16 SEM SERVO MOTOR ON Y AR SEE FIGURE 5 11 1 ACTUATORS CAM ACTUATORS ON M 5 URES 512 amp 515 HOLDS UPPER SUPPORT 00973 ASSY ROLLERS Y ARM SEE FIGURE 5 35 see HOLDS CUTTER ASSEMBLY zi CUTTER AS
9. 2 1 Mechanical ODOLatOH iiie t c ob t a eaa seed 2 2 2 1 Media Axis DrIVe eet 2 2 2 2 Carriage Axis IVO C eu ete aoi tee ibas 2 2 Electrical Operaioni lt E 2 3 3 1 Circuit Assemblies skis oe hoses hee E 2 3 3 1 1 Main Printed Circuit Board MPCB 2 3 3 1 2 Front Panel Circuit 2 3 3 1 3 Carriage Printed Circuit Assembly Carriage PCB 2 4 3 2 Block Diagram 2 5 3 3 ang e 2 6 3 4 MICKOPIOCESSOM t b is Ae ER i Ap 2 7 3 5 Start up Sequence RN 2 8 3 6 Melo attore 2 9 3 7 Flash EPROM suu 2 10 3 8 2 11 3 9 2 11 2 12 3 11 Stepper MOIOF 2 13 3 12 Servo MOIOE tot 2 15 3 13 Parallel and Serial Ports oo 2 16 14 K ypad DISpl laysuyu susan S u a acto qat 2 17 39 15 Garage e n RR RE HM 2 18 3 16 LED s Beeper and Fan pF EE UE FEN EN KE 2 19 3 17 Dot Firing Sedgileliees stt ubi ess t c 2 19 3 18 Schematic u uuu n RE REED 2 19 2 Table of Contents CHAPTER3 MAINTENANCE 1 0 2 0 3 0 4 0 5 0 6 0 7 0 Ma
10. 5 60 Removing the Foam Block siis cba otis 5 61 Lower Drive Assembly and Stepper Motor Assembly 5 64 Routing of Wires and Cables on Right Side Plate and MPCB 5 70 gigi lE 5 72 Cutter ASSEMDI c 5 75 Upper Roller Support Normal and Bent for Removal 5 79 5 89 Disassembly Assembly Figure 5 33 Removing the Old Upper Roller 5 80 Figure 5 34 Inserting New Upper Roller Supports 5 83 Figure 5 35 Positioning Upper Roller 5 84 5 90 CADJET 2 Chapter 6 CALIBRATION 1 0 Introduction CADJET 2 When using the CADJET 2 to plot drawings with both color and black the Cartridge Calibration Horizontal and Vertical procedure Section 12 0 of this chapter must be performed each time you remove or change one of the ink Cartridges This procedure aligns the Tri Color Cartridge to the Black Cartridge The other procedures presented in this chapter should be performed only by authorized ENCAD Service Centers after the plotter has been serviced or anytime there appears to be a problem with plot quality See Chapter 5 Section 1 0 for a list of parts whose servicing repl
11. 6 21 6 5 1 Functional T 69b oa deba 6 21 6 5 2 Adjustment of the Paper Sensor 6 23 7 0 Paper Skew 6 27 8 0 Paper Skew ao o Peto b t RH aes ceed 6 28 8 1 Paper Skew Adjustment 00 4000 6 29 8 2 Mounting Screw Information 6 30 8 3 Other Functional Fegulremienls ace oc oic reor bere eb 6 33 8 4 Adjustment of Upper Roller 6 34 8 4 1 Visual Verification a le eee Sesto Go euo Coe ob faf 6 34 8 4 2 Observation of Paper Skew at Rear Media Alignment Mark 6 35 8 4 3 Observation of Paper Skew at Front Media Alignment 6 37 8 4 4 Adjustment of the Mounting 6 38 9 0 Plotting PRIME Babelia ERO E Ode 6 39 10 0 XY AUDI AON eem 6 43 10 1 Calibrating the Y Axis Carriage Axis or Horizontal Axis Calibration 6 44 10 2 Calibrating the X Axis Paper Axis or Vertical Axis Calibration 6 46 11 0 pae die ha ae E tee tbe oda come tanaka aes 6 47 CADJET 2 6 63 Calibration 11 1 Slow Deadband Calibration esses 6 48 11 2 Fast Deadband Height Calibratio
12. 6 10 Carriage Height Measurement Fixlure 6 14 Installation of Typical Black Cartridge 6 15 Top View of Carriage Board a e o eR ee ns 6 23 Upper Roller Support and Mounting Screws 6 30 Correct Positioning of the Spring in the Upper Roller Support 6 32 Test for Minimum Acceptable 6 33 Visual Verification of Gap between Roller and Y Arm 6 34 Paper Skew Acceptance Range for Rear Media Alignment Mark 6 36 Paper Skew Acceptance Range for Front Media Alignment Mark 6 37 Motion of Rollers and Adjustment of Mounting Screws 6 38 Deadband Aligningelit 2 e RE REDDE EHE 6 47 Vertical Lines 6 51 Vertical Lines Ma th 6 52 2 Calibration Worksheet 6 62 2 Table of Contents CHAPTER 7 REPLACEMENT PARTS LIST Number Figure 7 1 Figure 7 2 Figure 7 3 Figure 7 4 Figure 7 5 Figure 7 6 Figure 7 7 Figure 7 8 Figure 7 9 Figure 7 10 Figure 7 11 Figure 7 12 Figure 7 13 Figure 7 14 Figure 7 15 Figure 7 16 Figure 7 17 Figure 7 18 Figure 7 19 Figure 7 20 Figure 7 21 Figure 7 22 Figure 7 23 Figure 7 24 Figure 7 25 Figure 7 26 CADJET 2
13. 5 11 MPOB eiie iei rr REI eR 5 15 Location 5 19 Closeup View of Clip 5 19 Side View of SIMM IRGMOVal 5 20 Side View of SIMM 5 21 la ds 5 24 Compression of Frame Tensioner 5 25 Display ASSSITID cocus erre ee 5 27 KOypad POB t aate etai e aat 5 28 Service Station Assembly 5 29 Inside View of Left Side 2 4 22422 5 33 Trailing Cable Connector Lock on Carriage 5 35 EO OD EI 5 36 Reinstalling the Trailing Cable J1 Connector 5 39 Positioning the Trailing Cable on the Stabilizer 5 46 Removing the Carriage 1 5 48 Placement of Carriage Belt on Carriage 5 49 5 52 5 56 Disassembly of Plotter Prior to Removing the Inner Platen Parts 5 58 Removing the Lower Drive Shaft
14. 5 69 12 0 FIXed Blade septi u Dante u a GS a a E 5 72 12 1 Removing the Fixed 1 eurer troia ara tr oto ut erp eb rere 5 72 12 2 Reinstalling the Fixed Blade 5 73 TSO GUE WNC m M 5 74 13 1 Removing the Cutter 0 nnn 5 74 13 2 Replacement of Cutter 5 76 T4LO Upper Roller SuppOLls eo e eae mas 5 77 14 1 Removing the Upper Roller 5 78 14 2 Installing the Upper Roller 5 83 5 88 2 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6 Figure 5 7 Figure 5 8 Figure 5 9 Figure 5 10 Figure 5 11 Figure 5 12 Figure 5 13 Figure 5 14 Figure 5 15 Figure 5 16 Figure 5 17 Figure 5 18 Figure 5 19 Figure 5 20 Figure 5 21 Figure 5 22 Figure 5 23 Figure 5 24 Figure 5 25 Figure 5 26 Figure 5 27 Figure 5 28 Figure 5 29 Figure 5 30 Figure 5 31 Figure 5 32 CADJET 2 Disassembly Assembly 2 Hardware Kit 5 5 CADJET 2 Final Assembly 2 8 5 6 Preparing the Plotter for 2 5 8 Preparing the Plotter for Shipping Alternate Method 5 10 Inside View of Right Cover Assembly
15. 7 14 Assy Service Station P N 203233 7 15 Assy Servo Motor P N 203265 Cn eui ches 7 15 Assy Stepper Motor Bracket Service P N 205350 right bracket 7 15 Assy Stepper Motor Service includes Gear P N 205128 7 16 Cable Keypad P N 205111 iar ai Ett 7 16 Cable RS422 Mini DIN8 P N 203977 7 17 Cam Actuator Left and Right P N 203646 7 17 Caster Locking Twin P N 202513 P N will be changing 7 17 Caster Non Locking Twin P N 202512 P N will be changing 7 18 Clip Belt P N 20364457 een aed Care acids 7 18 Cutter Wheel P N 203622 1 7 19 Foam Block P N 205079 7 19 Foam Bottom Left P N 203480 1 7 19 Foam Bottom Right P N 203481 1 J 7 20 Foam Top Left P N 203788 1 anaes 7 20 Foam Top Right P N 203789 1 4 7 20 Frame Tensioner P N 203343 1
16. 7 21 7 35 Replacement Parts List Figure 7 32 Figure 7 33 Figure 7 34 Figure 7 35 Figure 7 36 Figure 7 37 Figure 7 38 Figure 7 39 Figure 7 40 Figure 7 41 Figure 7 42 Figure 7 43 Figure 7 44 Figure 7 45 Figure 7 46 Figure 7 47 Figure 7 48 Figure 7 49 Figure 7 50 Figure 7 51 Figure 7 52 Figure 7 53 Figure 7 54 Figure 7 55 Figure 7 56 Figure 7 57 Figure 7 58 Figure 7 59 Figure 7 60 Figure 7 61 7 36 Keypad Bottom P N 203440 1 7 21 ON OFF Switch Power Entry Module P N 204599 7 21 Power Supply P N 204849 5 edicto dor nana ce 7 22 Roll Support P N 203868 1 0 04044 0000 7 22 d Screws Stand P N 203485 epe gi 7 22 Sideplate Left P N 204968 7 23 Sideplate Right P N 204973 7 23 P Spring Compression Idler P N 203447 7 24 Spring Compression Top Cover P N 202010 7 24 Spring Roll Holder P N 203918 2 222222 7 24 Stop Retracting P N 204246 7 25 Support Drive Shaft middle support P N 20355622 7 25 Angle Trailing Cable P N 20
17. CARRIAGE ASSEMBLY TIE WRAP MUST BE POSITIONED TO THE RIGHT OF THIS SCREW LEFT SIDE OF SERVICE STATION NYLON FILAMENT TAPE 7 NYLON FILAMENT TAPE Figure Chapter 5 4 Preparing the Plotter for Shipping Alternate Method 5 10 CADJET 2 Disassembly Assembly 4 0 Right Cover Assembly MPCB and SIMMS 41 Removing the Right Cover Assembly Removing the Right Cover Assembly provides access to the SIMMS MPCB and all MPCB connectors Stepper Motor Servo Motor Fan Keypad and Trailing Cable There is a screw and nut in approximately the middle near the top CAUTION edge of the Right Side Plate These have been set at the factory to a specific torque DO NOT tighten or loosen this screw and nut at any time See Figure Chapter 5 25 NOTE Note If the LED Keypad on the Right Cover Assembly needs to be replaced the entire Right Cover Assembly must be replaced REMOVE SCREW 012 EIN SCREW 124 CSCREW IS Figure Chapter 5 5 Inside View of Right Cover Assembly CADJET 2 5 11 Disassembly Assembly 5 12 To remove the Right Cover Assembly 1 Remove the Top Cover Keep the right end of the Top Cover tilted up so that the Retracting Stop and Compression Spring don t fall out You may find it helpful to wrap a rubberband aroun
18. 4 46 11 10 Black Cartridge Failure Test Procedure 4 47 11 10 1 Running the Cartridge Diagnostic 4 48 11 10 2 Interpreting the Cartridge Diagnostic 4 50 11 10 3 Black Cartridge Flex T6SD eeu i eee ae eon e tope 4 51 TTI Memory sse oo oe ood tus oun aro oen 4 55 11 12 Plotter Hesitates During 4 56 11 13 Plot Appearance is not as Expected 4 56 11 14 Plots are s cuire Eo CU E E 4 57 TS Plotter iS NOISY uu suu n au A EE E 4 58 11 16 User Parameters Not Saved When Power Is Cycled 4 58 11 17 Plotter Carriage Moves 4 59 11 18 Media 4 61 11 19 LCD or LED Key s 444 400000 4 62 11 20 Front Keypad Display Inoperative 4 64 CADJET 2 Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Table 4 1 Table 4 2 Table 4 3 Table 4 4 Table 4 5 Table 4 6 2 Troubleshooting EED 2 Coe
19. 5 6 Preparing the Plotter for Shipping 5 8 Preparing the Plotter for Shipping Alternate Method 5 10 Inside View of Right Cover Assembly 5 11 lt 5 14 Location of SIMMS uate ee 5 18 Closeup View of CD tie ta die cba 5 18 Side View of SIMMS 5 18 Side View of SIMMS Installation 5 19 5 22 Compression of Frame 5 23 Display ASSeltbly s osa am vea Coa 5 25 Keypad PGB 5 26 Service Station Assembly 5 27 Inside View of Left Side 2 4 4 2 5 31 Trailing Cable Connector Lock on Carriage 5 33 E eft End OR C ier 5 34 Reinstalling the Trailing Cable J1 Connector 5 37 Positioning the Trailing Cable on the Stabilizer 5 44 Removing the Carriage 2222 5 46 Placement of Carriage Belt on Carriage 5 47 En
20. 4 2 2 2 Decision Logic Tables afe bab ba 4 3 3 0 SONVICE GRU es add dc au ua 4 8 4 0 Service Menu Description aci i reet P eg 4 9 4 1 Service 0 0124444 4400 n nennen tnnt nnn 4 10 4 1 1 Information Display Settings 4 10 4 1 2 Information PEIDESOLnOS set corio 4 13 4 2 Service DIAQNOSIICS so aco e pM RE AT DEM exa 4 14 4 3 Service CallDEallOl 4 17 SESMB m SP MERE 4 18 ROME CB ol RH 4 19 7 0 Keypad 2212 4 0000000 00 nnn 4 20 tL LC AE 4 20 7 2 Drying fc Ew 4 20 Fed IDSC MCA seis bs se cece nected de den 4 20 PA Memory EU a od en n a o 4 20 ZS 4 21 7 6 Checksum Error 4 21 EE 4 21 FO Ready Io4Heplot 4 21 8 0 Initialization Sequence 4 22 9 0 RS 422 RS 232 Error Messages 4 23 TO O OTN Mads S Soci cette ee E NR 4 24 11 0 Operation Problems 4 25 11 1 Plotter Does
21. XCHKCLK 006 000 mm 0 lt PGACLK CARRSTAT CARRSTAT CARRSTAT DREas lt lt DREQSN DREQHN 50 1 DREQPN DREQ2 237 anawa 20 SRAMOE P DE PGACLK PAPER F TOO LOW A LEFTA ASBO o T197 BRASO TOO_LOW_B R YAO RAS10 T198 4 RAS12 o T199 6 1 S1RASO RAS11 o T200 YA2 S1RAS2 r be J YBO S1RAS3 N RAS20 1202 cal S2RAS0 YB2 S2RAS2 YB3 S2RAS1 0 C83 VCC 001uF anp i0 0 001 RAS21 T204 S2RAS3 BCASO BCAS1 BCAS2 206 4 0 are 1 ara MAD IBO YBO BCAS3 YB1 YB2 R lt BWE NCAD Incorported YB3 GND U7 Bize Document Number 74F244 B 205325 Date Monday November 04 2002 Sheet 2 Enhanced Main Board GLUE sch 75 0 111 lt lt MD O0 15 lt lt BWE lt lt BRASO BCASO BCAS1 BCAS2 BCAS3 BWE BRASO BCASO BCAS1 BCAS2 BCAS3 MAO 9 ANOaRWMY O BRASO 4 BEAST SRZS ii an 9 MAG 16 1 Eo gt gt gt gt gt gt gt E BRASO 9 16 _ 8 jel z gt gt gt gt gt gt gt di za X BRASO itle Bize B Date MA0 9 MAG 16
22. P N 204551 7 27 ASSY Top COVGM P N 204367 5 7 27 Belt RIDDBO P N 203903 7 28 Cable Irailligu Shan as P N 203778 7 28 Plate s u ba ea d ea cs P N 2048468 7 28 Slide o redi a RR FORE CR P N 204007 31 7 29 Angle Trailing Cable P N 203800 3 7 30 CADJET 2 Table of Contents CHAPTER 7 REPLACEMENT PARTS LIST continued Number Title Part Page Figure 7 54 Assy Legs and P N 205174 7 30 Figure 7 55 Assy Lower Drive P N 204917 1 7 31 Figure 7 56 Assy Stabilizer Bracket Service P N 204550 7 31 Figure 7 57 Assy P N 204367 7 7 31 Figure 7 58 eise P N 203230 7 32 Figure 7 59 Cable Trailing P N 203448 7 32 Figure 7 60 Platen Machined P N 204847 7 32 Figure 7 61 PED P N 204007 2 7 33 Number Title Page Figure A 1 Cable RS422 8 7 2
23. COVER ASSY ITEM 1 00 0 04 4318 LOCATION LOGO ENCAD ITEM 319 0 50 0 12 E N G REF 6 RIGHT 28 REF 28 SIDEPLATE LOCATION OF REAR LD LABEL ITEM 518 Figure Appendix C 2 CADJET 2 E Size Final Assembly Drawing 7 CADJET 2 Appendix D SCHEMATICS This section contains the CADJET 2 Schematics for SCHEMATIC PART DESCRIPTION PART DOC REVISION OF PAGES Main PCB Assembly 205329 205325 A 9 pages Keypad PCB Assembly 203455 1 203456 A 1 page Carriage PCB Assembly 204941 204937 A 2 pages Flex Circuit 204950 204946 A 1 There is typographical error on this schematic in the bottom right hand corner It currently reads Sheet 2 of 1 Since there is only one page for this schematic it should read Sheet 1 of 1 CADJET 2 Notes 1 Circuitry to keep OrCAD from rejecting note sheet C85 0 001uF C84 0 001uF Memory Map 0000 0000 OOFF FFFF Flash RAM See 204579 for EPLD generated select terms 0 00 0000 OFFF FFFF Base DRAM 2000 0000 3FFF FFFF Optional SIMM RAM OrCAD Page Link Statements LINK cpu sch glue sch dram sch flash sch simm sch io sch io2 sch stepper sch Because the industry standard for 128 megabyte SIMM s has not assigned a pin to A1
24. P N 205128 7 16 Cable Keypad P N 205111 7 16 Cable RS422 Mini DIN8 P N 203977 7 17 Cam Actuator Left and Right P N 203646 7 17 Caster Locking Twin P N 202513 7 17 Caster Non Locking Twin P N 202512 7 18 Clip Bell ud c tb aii bed t P N 203644 1 7 18 Cutter Whee i a ssepe P N 203622 1 7 18 Foam Block P N 205079 7 19 xxiii Table of Contents CHAPTER 7 REPLACEMENT PARTS LIST continued Number Figure 7 27 Figure 7 28 Figure 7 29 Figure 7 30 Figure 7 31 Figure 7 32 Figure 7 33 Figure 7 34 Figure 7 35 Figure 7 36 Figure 7 37 Figure 7 38 Figure 7 39 Figure 7 40 Figure 7 41 Figure 7 42 Figure 7 43 Figure 7 44 Figure 7 45 Figure 7 46 Figure 7 47 Figure 7 48 Figure 7 49 Figure 7 50 Figure 7 51 Figure 7 52 Figure 7 53 Title Part Page Foam Bottom Left P N 203480 1 7 19 Foam Bottom P N 203481 1 7 19 Foam Top asus casei caen P N 203788 1 7 20 Foam Right RR REM Ee P N 203789 1 7 20
25. 2 14 Servo MODO ukata aa alate Ate LAE a 2 15 Parallel and Serial Ports 2 16 Keypad u i S u u uve ia E 2 17 2 18 4 TROUBLESHOOTING Number Figure 4 1 Figure 4 2 Figure 4 3 Figure 4 4 Figure 4 5 Figure 4 6 Figure 4 7 Title Page WED s TEM 4 18 POD Keypadae ea eae mi 4 19 Parallel and Serial Loop Back 4 30 Tri Color Cartridge Flex 4 46 Sample of Black Cartridge Diagnostics 4 50 Black Cartridge Failure Test Setups 4 51 Black Cartridge Flex Dimple 4 53 CADJET 2 Table of Contents CHAPTER 5 DISASSEMBLY ASSEMBLY Number Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6 Figure 5 7 Figure 5 8 Figure 5 9 Figure 5 10 Figure 5 11 Figure 5 12 Figure 5 13 Figure 5 14 Figure 5 15 Figure 5 16 Figure 5 17 Figure 5 18 Figure 5 19 Figure 5 20 Figure 5 21 Figure 5 22 Figure 5 23 Figure 5 24 Figure 5 25 Figure 5 26 Figure 5 27 CADJET 2 Title Page 2 Hardware Kit 5 5 2 Final Assembly 0
26. quality test KEY EVEN 7BITS 000 Submenu items with an arrow have additional submenus DIAGNOSTICS press DOWN ARROW press DOWN ARROW COLOR TEST 35 lt The values shown in the boxes are the default values for each option HANDSHAKE press DOWN ARROW press SELECT to test Fan COLOR TEST 10 25 35 50 65 75 100 lt 6 text below the boxes PARDWIRE x X press SELECT to end test press SELECT shows any additional values press MENU to return to SERVICE DIAGNOSTICS press UP or DOWN ARROWS to change value for each option indicates press DOWN ARROW press MENU to return to NFORI press SELECT to enter the value Steps to be followed and 4 DTR DISPLAY SETTINGS press SELEC four 1 bands of each color will be drawn gives other information NORMAL all lights flash on unless they are already on press DONM ARRON press DOWN ARROW press DOWN ARROW Encad Inc 6059 Cornerstone Court West PRINT MODE San Diego CA 92121 NORMAL Technical Support 619 452 4350 press Technical Support FAX 619 546 0659 press DOWN ARROW Technical Support BBS 619 452 2653 or 619 452 3768 Technical Support Internet WEB Address http www thegroup net encad A color version of this menu is available on our BBS filename C2SVCMNU ZIP It may be printed on any of our inkjet plotters 09 18 95
27. 8 18 z EXBEEBERE E BRASO Enhanced Main Board DRAM sch Document Number 205325 Monday November 04 2002 2 NCAD Incorporated Sheet XCHKCLK lt lt DONE PROG lt lt lt lt lt lt FLocs 2093 DONE PROG BWE lt lt FLOE lt lt FLOCSA JP7 JUMPER A 0 29 lt lt D 0 15 lt lt JUMPER 0 XCHKTRIG PGACLK PGACLK 28F020 29F040 FLOE FLi0s lt lt FL1CS JP8 JUMPER FL1CSA itle Date 29F040 Enhanced Main Board FLASH sch NCAD Incorporated Document Number 205325 Monday November 04 2002 2 Sheet 2 lt 0 111 10V U26 R30 R31 SIMM72 10K 10K S1RASO S1RAS2 S1RAS1 S1RAS3 BCASO BCAS1 BCAS2 B WE CAS3 40 a E WE e lt gt lt C81 du d U27 BU SIMM72 10K 10K DoD s ee us nc a VENAE 40 PD5 4 4 MUXSEL lt lt 4 4 Q QO O U 202750250 FERE NI a 9 NOM Niven 74 157 X D 0 15 4 ARON lt MDI O 15 UJ UJ UJ UJ UJ UJ UJ UJ qu Q NCAD Incorporated enhanced itle Rw Enhanced Main Board SIMM sch DRAMOE lt lt Document Number B 205325 Date Monday November 04 2002 Sheet 2 5V lt lt DTRCLK lt R44 R45
28. Ses 1 E3 CN 2 y 21 xj e f MP n al Ld CN t O 00 L I QN P 00 o tO O gt LL E na zu gt 1 I N o N Ps T zu d n CN O sb OF H U 2 ti 00 M oO a sel E 31 en a a Er PIN2 a Figure Appendix A 1 Cable RS422 Mini DIN8 P N 203977 CADJET 2 A 3 Appendix PRINTER FIRMWARE UPGRADE PROCEDURE RS422 Serial Cable parallel is faster The RS422 Serial Cable is available from ENCAD Inc The Part Number is 203977 See Chapter 7 of this manual If you prefer to make your own cable see Figure A 1 at the end of Appendix A nore Note 1 This procedure can be performed with a parallel cable or a This procedure cannot be used if the Flash EPROM is blank or corrupt See Appendix A 1 Connect the Parallel Cable or the RS422 Serial Cable to the computer and the plotter 2 Insert the Utilities Disk provided with your plotter You should use the most current version of the firmware which is CJDOS15 ZIP as of the date of publication of this manual It is also available on ENCAD s BBS You may also contact our Help Desk to obtain the most recent version if you do not have access to the BBS See Chapter 1 Section 3 0 3 Power up the plotter Wait until the Carriage has traveled across the Platen and returned to the Service Station Type BAINSTALL and press Ent
29. 6 17 6 2 3 Verify Head Height 6 18 6 3 Encoder Strip Location Visual 6 19 6 4 Idler Pulley and Belt Position Check 6 20 6 5 Power Up and ROM Verification 6 21 6 5 1 Functional TOSL oro oder 6 21 6 5 2 Adjustment of the Paper Sensor Potentiometer 6 23 Paper Skew Setup o iet ats eu a dts 6 27 Paper Skew Adu SIMOTE x cado ede et a P oe RD e s 6 28 8 1 Paper Skew Adjustment Sequence 6 29 8 2 Mounting Screw Information a 6 30 8 3 Other Functional 44 11 6 33 8 4 Adjustment of Upper Roller Supports 6 34 8 4 1 Visual VOnnCaton 6 34 8 4 2 Observation of Paper Skew at Rear Media Alignment 6 35 8 4 3 Observation of Paper Skew at Front Media Alignment ea 6 37 8 4 4 Adjustment of the Mounting Screws 6 38 2 Table of Contents CHAPTER 6 CALIBRATION continued 9 0 Plott
30. The Stepper and Servo Motors are controlled from the main printed circuit assembly by the microprocessor which also supplies to the Carriage the signals necessary to cause the ink cartridge nozzles to fire the desired colors of ink onto the media 2 2 CADJET 2 Theory of Operation 3 0 Electrical Operation 31 Circuit Assemblies Four circuit assemblies are contained in the CADJET 2 plotter the Main Printed Circuit Board in the right cover assembly the front panel circuits in the Keypad Assembly and the Carriage Flex Assembly and the Carriage Rigid Board in the moveable Carriage Assembly 3 1 1 Main Printed Circuit Board MPCB The Main Printed Circuit Board MPCB contains six features 1 Microprocessor CPU Gate Array Memory Circuits 2 3 4 Stepper Motor driver 5 Servo Motor driver 6 Interface Circuits Serial amp Centronics Parallel Front Panel 3 1 2 Front Panel Circuit The Front Panel Circuit contains two features 1 Supertwist Display Liquid Crystal Display or LCD 2 Keypad CADJET 2 2 3 Theory of Operation 2 4 3 1 3 Carriage Printed Circuit Assembly Carriage PCB The Carriage Printed Circuit Assembly Carriage PCB contains five features 1 Registers 2 Demultiplexers 3 Ink Nozzle Drivers Inkjet Driver Circuit 4 Linear Encoder 5 Paper Sensor separate board CADJET 2 3 2 FRONT en C Block Diagram Theory of Operation Figure Chapter 2 1 illustr
31. Troubleshooting 6 0 LCD Keypad e The plotter goes into sleep mode after 7 minutes of inactivity Pressing any key puts it into ready mode e Press the MENU key to return to a previous menu level e Use the ARROW keys to scroll through the menus and options e Press SELECT to choose a menu or to change and save a setting in displays with an equals sign To change a setting press SELECT once equals sign blinks and use the ARROW KEYS to scroll through the choices Press SELECT to save your choice blinking stops Submenu items with an arrow gt have additional submenus AB MAIN MENU PRINT MODE SELECT wv Figure Chapter 4 2 LCD Keypad CADJET 2 4 19 Troubleshooting 7 0 Keypad Messages The Keypad and LCD display messages will be of considerable help in determining the status of the plotter and possible corrective action when operation does not appear to be normal See Sections 5 0 and 6 0 to understand how the keys function 7 1 Plot Received This indicates that the user has attempted to make a change to the plotter parameters after the plot data UNABLE TO CHANGE has been received Plotting parameters must be set prior to the data transmission When you set each of the parameters be sure to press SELECT to save the settings 7 2 Drying Plot With Roll Feed enabled the plotter waits a specified amount of time before cutting the media and allowing the plot to fall If cut sheet me
32. When returning the plotter to ENCAD for servicing remove any extra SIMMS that have been installed Label all hardware and parts for ease of reassembly It is not necessary to ship the Stand Basket or hardware Removing the Plotter from the Stand There are two types of stands a desktop throwaway stand and a floor stand which includes a basket Some of the directions below apply only to the floor stand 1 2 Disconnect the power cord and interface cables Lock both of the stand s locking casters if you have the floor stand Remove any extra SIMMS that have been installed See Section 4 5 1 Extra Memory SIMM Removal in this chapter Remove any roll feed and or sheet media Remove both ink Cartridges Clean both parts of the Service Station See Chapter 3 Section 4 0 for cleaning procedures Move the Carriage Assembly so that it sits on the Service Station See Figure Chapter 5 3 Insert the Carriage Packing and the Fixed Blade Packing as shown in Figure Chapter 5 3 If these are not available use the alternate method shown in Section 3 3 5 7 Disassembly Assembly AR PARP AS V MA A R R BLY SERVICE eo A f N V IV DIA UIN CARRIAGE PACKING PACKING Figure Chapter 5 3 Preparing the Plotter for Shipping 5 8 CADJET 2 3 2 CADJET 2 Disassembly Assembly To avoid risk of personal injury or dam
33. not worn damaged or dirty if ink becomes encrusted and builds up on seals the cartridges won t seal properly see Chapter 3 Section 4 0 for cleaning procedure check the Cartridge Height Adjustment See Chapter 6 Sections 6 0 6 1 and 6 2 of this manual After the Carriage Height has been adjusted install a new Cartridge and run the PRIME plot You may need to repeat the PRIME two or three times before a satisfactory plot is obtained See Section 11 8 below for information about evaluating the PRIME plot 2 4 43 Troubleshooting 4 44 11 7 2 Determining Ink Level If the Ink Level Estimator option is being used You can check to see which Cartridge is low by using the Current Ink Level menu See Chapter 4 of the CADJET 2 User s Guide for information about this feature If necessary replace the Cartridge load media and run the PRIME plot It may be necessary to run the PRIME plot several times in order to obtain a satisfactory plot See Section 11 8 below for information about evaluating the PRIME plot If a satisfactory plot cannot be obtained refer to Table Chapter 4 5 above If the Ink Level Estimator feature is not being used The black Cartridge has an ink level indicator on the front of the Cartridge If the Cartridge is out of ink discard the Cartridge and replace it If necessary replace the Cartridge load media and run the PRIME plot It may be necessary to run the PRIME plot several ti
34. Paper Skew Adjustment Because the Carriage Belt was loosened during this procedure you will need to verify the Deadband Adjustment by performing the following portions of Chapter 6 e Sections 11 0 through 11 2 1 Deadband Calibration 10 Replace the Top Cover after you have finished Step 9 2 Disassembly Assembly Chapter 5 DISASSEMBLY ASSEMBLY 5 1 5 1 2 0 Tools and Equipment Required 5 4 DO 5 7 3 Removing the Plotter from the 5 7 3 2 Replacing the Plotter on the Stand 5 9 3 3 Alternate Method for Securing Carriage Assembly and Fixed Blade 5 10 4 0 Right Cover Assembly MPCB and SIMMS 5 11 4 1 Removing the Right Cover 5 11 4 2 Removing the MPCB Connectors 24 44 5 13 4 3 MPGOB bbb dud id t ba bbs 5 16 4 3 1 Removing the MPOB beet pni eoe pne 5 16 43 2 Reinstalling the MPC B e RE Hie 5 17 4 4 Reinstalling the MPCB 2 08 000 5 18 4 5 Extra Memory SIMM rnnt nennen 5 19 4 5 1 Extra Memory SI
35. RIGHT in Part 1 of the Calibration Worksheet 6 9 Calibration 22 OUTER STAND OFF SCREW N INNER STAND OFF SCREW OUTER STAND OFF SC SINNER STAND OFF SCREW Figure Chapter 6 2 Inner Stand Off Screws and Turnbuckle 6 10 CADJET 2 CADJET 2 Calibration Lift the gauge and move it to the center position of the shaft left of the Turnbuckle Block see Figure Chapter 6 2 Record the display s reading in the box marked CENTER in Part 1 of the Calibration Worksheet Lift the gauge and move it to the left position of the shaft aligned with the Inner Stand Screw see Figure Chapter 6 2 Record the display s reading in the box marked LEFT in Part 1 of the Calibration Worksheet On the lines marked LEFT and RIGHT in Part 1 of the Calibration Worksheet write the readings obtained in the left and right positions and add them up Divide the result by two and write down the result the average If the gauge s reading in the center is equal to this result the average then no profile adjustment is necessary otherwise lift the gauge and move the Carriage to the center position and perform the following adjustment Adjust the Shaft Profile Height in the center of the Platen by turning the Turnbuckle up down see Figure Chapter 6 2 Observe the display and set the height at the average number within 001 tolerance obtained above in Step 7 b
36. Title Part Page Assy Bracket Drive Shaft left bracket w bushing P N 204916 7 10 Assy Carriage P N 204854 7 10 Assy Cover nrc irt er reri er iere on P N 203533 7 11 Assy Cover 2222222 P N 203476 7 11 Assy CUEITGI P N 203614 7 11 Ass Extern iiie P N 204384 7 12 nti ipa P N 203443 7 12 Assy Hardware Kit CADJET 2 Service P N 205188 7 12 55 P N 203345 1 7 12 Assy Keypad P N 203488 7 13 Ass MBOB E EE E E P N 205329 7 13 Assy Pinch 222222 P N 203637 2 7 14 Assy Rollguide Left P N 204969 7 14 Rollguide Right P N 203477 2 7 14 Assy Service Station P N 203233 7 15 Assy Servo 2222 222 P N 203265 7 15 Assy Stepper Motor Bracket Service right bracket w bushing P N 205350 7 15 Assy Stepper Motor Service includes Gear
37. and NO Press lt Enter gt CADJET 2 AR Appendix V 2 8 After the installation is completed type CD CADUTIL CD and the subdirectory specified in Step 6 above and press lt Enter gt Note If you are already in the subdirectory where the files were installed this step is not necessary 9 Type CADUTIL and press lt Enter gt 10 Type 3 and press lt Enter gt lt Enter gt 11 Press and hold the PRIME Key on the plotter and power up the plotter 12 Release the PRIME Key when the plotter s Fan comes on 13 Press lt Enter gt on the computer 14 The Emergency Download will now clear and reload your plotter s Firmware DO NOT HALT THIS PROCESS UNTIL IT IS COMPLETED 15 When the process is completed reset the plotter s User Settings to the desired selections and start plotting again 16 If you need assistance with the above procedures please call ENCAD s Help Desk at the number listed in Chapter 1 Section 3 0 of this manual 2 Appendix A PIN1 aa
38. 11 3 1 Parallel Interface and Serial Interface Tests 4 29 11 4 Movement in the Carriage 4 31 11 5 Media Problems e ER OM ORDRE EE 4 34 11 5 1 Cut Sheet Media Won t 4 34 11 5 2 Media Feeds Out of Plotter When Plot is Completed 4 36 11 5 3 Media Skews or 4 36 11 5 4 Loaded Media Not Detected Media Size Not Detected or Plotter Has Incorrect Plot Area 4 37 11 5 5 Keypad Display Shows LOAD MEDIA Message When Rollfeed Media is Loaded 4 38 11 5 6 Loud Grinding Noise When Media Loads 4 39 11 6 Media Cutting 4 41 11 7 Ime Gartridge PIODIGITIS ier o ip i orte oe attt Rhe eren 4 42 11 7 1 Dried Up Cartridge eet ete e be 4 43 11 7 2 Determining 444 4444 2 2 4 44 187 PRIME 4 45 11 9 Tri Color Cartridge Failure Test Procedure 4 46 11 10 Black Cartridge Failure Test Procedure 4 47 11 10 1 Running the Cartridge Diagnostic
39. 13 Adjustment is made by increasing or decreasing the value for DEADBAND as follows 1 Press the UP ARROW or DOWN ARROW to change the number to a higher or lower value Once the desired value is reached usually 54 66 or 79 but not limited to these values press SELECT Press SELECT again The plotter will print a new set of lines visually inspect over the entire 16 regions If the results are still not acceptable repeat the above steps to obtain the best fast deadband value Record this value in Part 5 of the Calibration Worksheet Press SELECT and the DOWN ARROW twice The display will read CALIBRATION VERTICAL LINES ALL Press SELECT This causes 16 single 1 5 high vertical lines to be drawn one segment at a time in bi directional mode See Figure Chapter 6 14 for a sample 4 31 0 3 31 0 31 0 2 ALL F S 31 0 1 Figure Chapter 6 14 Vertical Lines All 6 51 Calibration 6 31 0 6 52 Press the UP ARROW The display will read CALIBRATION VERTICAL LINES ONE Press SELECT The plotter will draw 16 single 1 5 high vertical lines one line at a time uni directional mode See Figure Chapter 6 15 for a sample 5 31 0 4 31 0 3 31 0 310 2 ONE F S 31 0 1 Figure Chapter 6 15 Vertical Lines One Visually inspect the lines and compare against the printout of the Line Quality Acceptance Standards file
40. 4 48 11 10 2 Interpreting the Cartridge Diagnostic Test 4 50 11 10 3 Black Cartridge Flex Test erro meae 4 51 1141 Memory L R 4 55 11 12 Plotter Hesitates During Plotting 2222 244 0 4 56 11 13 Plot Appearance is not as Expected 4 56 1114 Plots 4 57 2 Table of Contents CHAPTER 4 TROUBLESHOOTING continued xii 11 15 11 16 11 17 11 18 11 19 11 20 Plotter is NOISY 4 58 User Parameters Not Saved When Power Is Cycled 4 58 Plotter Carriage Moves 4 59 Media Movement 2 4 61 LCD or LED Key s Inoperative 4 62 Front Keypad Display 4 64 CADJET 2 Table of Contents 5 DISASSEMBLY ASSEMBLY 1 0 2 0 3 0 4 0 5 0 6 0 7 0 Detailed procedures for removing and installing field replaceable parts and assemblies EM 5 1 rat 5 4 NOLAN 5 7 3 1 Removing the Plotte
41. AND STEF OR ASSEMBLY TH ND OF PLATE er AE DRIV OMA MOVE THROUGH SNAP PLUG OPENING j SY BRACKET DRIVE SHAFT REMOVE THROUGH LEFT END PLATEN Figure Chapter 5 26 Removing the Lower Drive Shaft Screws 5 60 2 Disassembly Assembly 7 Remove the left Drive Shaft Support through the left end of the Platen and the middle Drive Shaft Support through the Snap Plug opening does not tear If it does tear however it must be replaced with a new so that the Inner Platen sufficient vacuum nore Be very careful when removing the Foam Block so that it 8 Remove the Foam Block which is beside the Stepper Motor Assembly by putting your index finger into the opening in the top of the Foam Block and pulling it towards you See Figure Chapter 5 27 INDEX FINGER AND PULL FOAM BLOCK TOWARDS YOU FRONT OF PLATE POWER SUPPLY Figure Chapter 5 27 Removing the Foam Block CADJET 2 5 61 Disassembly Assembly During Step 9 When you remove the two screws from the right Drive Shaft Support which hold the Stepper Motor Assembly see Figure Chapter 5 26 hold the Stepper Motor Assembly with your right hand If the Stepper Motor Asse
42. Figure 7 5 Figure 7 6 Figure 7 7 Figure 7 8 Figure 7 9 Figure 7 10 Figure 7 11 Figure 7 12 Figure 7 13 Figure 7 14 Figure 7 15 Figure 7 16 Figure 7 17 w bushi Figure 7 18 Figure 7 19 Figure 7 20 Figure 7 21 Figure 7 22 Figure 7 23 Figure 7 24 Figure 7 25 Figure 7 26 Figure 7 27 Figure 7 28 Figure 7 29 Figure 7 30 Figure 7 31 CADJET 2 Replacement Parts List Assy Bracket Drive Shaft P N 204916 left bracket w bushing 7 10 Assy Carriage P N 204854 tes og di a dil aes hee cece 7 10 Assy Cover Left P N 203538 teats ties 7 11 Assy Cover Right P N 203476 7 11 Assy Cutter P N 203614 7 11 Assy Exhaust P N 204384 2 2 22 22 7 12 Assy Fan P N 203443 7 12 Assy Hardware Kit CADJET 2 Service P N 205188 7 12 P Assy Idler P N 203345 1 7 12 Assy Keypad Top P N 203488 1 7 13 Assy MPCB P N 205329 a 7 13 Assy Pinch Roller P N 203637 2 7 14 Assy Rollguide Left P N 204969 7 14 Assy Rollguide Right P N 203477 2
43. LOCTITE BLACK MAX qM 200172 MANUAL SERVICE E IRR 204967 MANUAL USER L uuu ae anes 205377 ON OFF SWITCH POWER ENTRY MODULE 204599 POWER SUPPLY s Sumu sacri 204849 POLE SUP PORT oat i tote etn 203868 1 BG RES 203485 SIDEPEATEJLER UE 204968 SIDEPEATE 204973 P SPRING COMPRESSION IDLER ecce 203447 SPRING COMPRESSION TOP 4 40 00000000000 202010 SPRING ROEETHOEDER ie ri dein 203918 2 STOR RETRACTING d datnm on e tian en an tcn rae om om on ab 204246 SUPPORT DRIVE SHAFT middle suppori 203556 2 NOTE If you are ordering the Assy Top Cover either P N 204367 5 or P N 204367 7 see Sections 2 2 or 2 3 the Stop Retracting P N 204246 and the Spring Compression P N 202010 are not included They must be ordered separately These parts make up the Idler Service Assembly If the whole assembly is being replaced you may order P N 203940 Assy ldler Service rather than ordering the individual pieces These parts make up the entire Display Keypad P N 203488 includes the Keypad PCB the Cover and the Keys it does not include the Keypad Cable or the Ke
44. Section 8 0 for the removal and installation procedures 4 35 Troubleshooting 4 36 11 5 2 Media Feeds Out of Plotter When Plot is Completed If the plotter feeds the media out of the plotter after the plot is completed there are three possible causes a The media has been loaded incorrectly The narrower edge of the media must be placed under the rollers when the media is loaded The plotter determines media size by checking the narrow edge of the media Rotate the media and load again Non standard media has been loaded The plotter determines media size by measuring the width and makes a determination of the length based upon standard media sizes Refer to Tables 1 1 or 1 2 in Chapter 1 for acceptable sizes Example Set the plotter to MEDIA ARCH if you use size Architectural media Paper Axis Calibration is out Perform the Paper Axis Calibration in Chapter 6 Section 10 2 Image is too small for paper size selected in application Set SAVE MEDIA ON on the plotter 11 5 3 Media Skews or Ripples If the media skews or ripples as it moves through the plotter there are two possible causes a The media was not loaded properly Remove the media and carefully load it again The Upper Roller Supports which hold the media have become dirty misaligned or excessively worn Refer to the alignment procedures in Chapter 6 Sections 7 0 and 8 0 and or to the removal and replacement procedures in Chapter 5
45. See Figure Chapter 5 21 3 Once the Carriage Belt has been installed refer to Sections 8 3 and 8 4 in this chapter for reinstallation of the Carriage Assembly 09 4 7 gt EDGE BELT UU ws K SHOULD BE AS CLOSE TO IS END OF THE GROOVES AS POSSIBLE Figure Chapter 5 22 Placement of Carriage Belt on Carriage CADJET 2 5 49 Disassembly Assembly 9 0 Power Supply and ON OFF Switch 9 1 Removing the Power Supply and ON OFF Switch Make sure that the Power Cord is disconnected from the plotter before beginning this procedure NOTE Note 1 The Top Cover Left Cover Assembly and Left Side Plate must be removed in order to remove either the Power Supply or the ON OFF Switch See Section 8 1 You must have the plotter removed from the Stand in order to access all of the screws on the bottom of the Platen which hold the Power Supply in place See Section 3 1 if necessary 1 Remove the Top Cover Left Cover Assembly and the Left Side Plate See Section 8 1 2 Using a 2 Phillips screwdriver remove the 4 screws on the bottom of the Platen which hold the Power Supply in place 3 Pull the Power Supply part way out of the Platen grasp the connector on the black and white ON OFF Switch Cable and remove the cable from the Power Supply 4 Pull the Power Supply the rest of the way out of the Platen grasp the connector on the Power Cable coming from the MPCB and remove the Power Cable from t
46. ZL 90V 50 90V of 5 01V 60 LOW OL 01 SE LOW 96 01 19 LOW 29 01 28 LOW 88 Lov Z0 LIV 80 LOY LIV ve LOY s ra a LIV 98 5 GOW 90 ZOV 90 GOW 1 ZOV ZE Gov ZS ZOV 86 GOV 58 ZOV v8 5 60V 50 90V 70 60V 62 90V d n 90V 99 60v 18 90V 28 5 10 01 20 ELW 2 3 SS3HQQV LAr SSAYaQV LAr SS38HQQV LAr SS38HQQV L3f SS38QQV 13 55 4 L3fP SS38Q0QV 13 553 Lar Zd ZQNY5D 9 9 d L d t CADJET 2 4 54 Troubleshooting 11 11 Memory Full PRESS ANY KEY If the MEMORY FULL error message displays while a plot is being transmitted to the plotter the buffer has overflowed and the plot will probably be incomplete The plotter memory is allocated between the HP GL and the Raster The buffer is for the transfer and configuration of the incoming data The Raster buffer is used for the storage of the incoming plot The default configuration of the allocation is 128K Raster 1M If you are sending Raster files increase the size of the buffer to decrease the transfer time freeing up the computer sooner lf you are sending vector files or merged vector raster files increase the size of the Raster buffer to allow as much space as possible to
47. in the horizontal print out Once the matching alignment value is reached press SELECT to save the setting If adjustment is required for vertical Head to Head proceed to Section 12 2 If no adjustment is required for vertical Head to Head press MENU and press SELECT again The plotter will print a new set of three patterns The new head to head pattern will reflect the latest settings which you have chosen Make sure that the CURRENT HEADS printout is properly aligned f it is still not satisfactory repeat the adjustment until satisfactory results are obtained Then proceed to Section 13 0 6 55 Calibration 12 2 Adjusting the Vertical Head to Head Calibration If adjustment is required for vertical Head to Head then adjust the values as follows 1 With the display set at CALIBRATION HORIZONTAL X press the DOWN ARROW to change the display to CALIBRATION _ VERTICAL X X current alignment value 2 Press SELECT and then the UP ARROW or DOWN ARROW to select the alignment value matching the best vertical alignment in the vertical print out 3 Once the matching alignment value is reached press SELECT to save the setting 4 Press MENU and press SELECT again The plotter will print a new set of three patterns new head to head pattern will reflect the latest settings which you have chosen Make sure that the CURRENT HEADS printout is properly aligned If it is still not satisfactory repeat
48. 13 Assy Rollguide Left P N 204969 Figure Chapter 7 14 Assy Rollguide Right P N 203477 2 7 14 lt LA ASSY ROLLGUIDE LEFT lt __ SPRING ROLL HOLDER NOT INCLUDED SPRING ROLL HOLDER INCLUDED Hj ROLLGUIDE RIGHT CADJET 2 Replacement Parts List Figure Chapter 7 16 Assy Servo Motor P N 203265 Figure Chapter 7 17 Assy Stepper Motor Bracket Service P N 205350 right bracket w bushing CADJET 2 7 15 Replacement Parts List Figure Chapter 7 18 Assy Stepper Motor Service includes Gear P N 205128 Figure Chapter 7 19 Cable Keypad P N 205111 7 16 CADJET 2 Replacement Parts List PL m 180724 2 PINTA PING N 24 14 N PIN1 24 PR d PINS PINS TEE MRING DIAGRAM MINI DIN 8 P1 P2 255 PLUG FEMALE GND SHELL SHIELD SHELL GND RXD 5 2 TXD TXD 3 RXD HSKI 2 4 5 HSKO 1 5 CTS RXD 8 SB DSR GND 4 T GND TXD 6 8 DCD 7 20 DTR 22 RI P3 95 FEMALE HELL GND TXD RXD RT
49. 4 7K 4 7K R46 R47 4 7K 4 7K KYO KY1 enoe H KY2 TIS j eo KY4 els 1 4 AUTOFD INIT SLCTIN lt BDMEN G1 KYPARCS 189 74HCT244 KYPARCS 74HCT374 PARCLK lt lt KYPARCS lt HSKIN lt SERDATA U29 LTC1323CS X D 0 15 ACKB BUSYB PEB p x SELECTB 21 lt STB OPTOUB lt lt lt OPTO COLORUB lt COLOR Act ee T259 9 74LS244 R50 R66 R67 R68 R69 is Mi s pm a 5VO PDO PD1 PD2 PD4 PD5 R153 R152 1K 1K PD7 R51 L 1L LL LL IK SELECTB SLCTIN 1284 lt PBDMCLK J2 lt PBDMDATA G1 G8 G2 G7 G3 G6 G4 G5 G9 AUTOFD G10 PTRRTSB MINI DIN 8 018 619 020 G21 G22 G23 G24 Enhanced Main Board Size Document Number B 205325 Date Monday November 04 2002 Sheet 2 NCAD Incorporated D 0 15 D 0 15 lt lt lt XCHKTRIG 9 is Jy 54 lig 102512212312 9 LED3 o T13 a E LED lt lt 5 5 M FAN lt lt 2516 RESET 7 74HCT273 RK lt OPTOUB 07253 C61 0 01uF CARIGE1 CARIGE2 CARIGE1 CARIGE2 o 2 R77 CARIGE4 SHIFT CARIGE5 4 CARIGE6 CARIGE7 CARIGES CARIGE6 CARIGE7 CARIGE8 9 10 9 CARIGE11 10 CARIGE12 CARIGE11 CARIGE13 CARIGE12 CA
50. 52 CADJET 2 Disassembly Assembly 10 1 Removing the Stabilizer Bracket Refer to the appropriate sections of this chapter and to Figure Chapter 5 23 while removing the parts listed below 1 Remove the Cartridges and the Top Cover 2 Remove the Left Cover Assembly and Left Side Plate See Section 8 1 3 Remove the Trailing Cable Cover Frame Tensioner Left Cam Actuator and Carriage Assembly See Section 8 2 4 Remove the Trailing Cable from the tapes on the Stabilizer Bracket See Figure Chapter 5 23 5 Use a 7 64 Hex Nut Driver to remove the three screws from the back of the Y Arm which hold the Stabilizer Bracket on the Y Arm and remove the Stabilizer Bracket See Figure Chapter 5 23 CADJET 2 5 53 Disassembly Assembly 10 2 Reinstalling the Stabilizer Bracket Be very careful not to damage the Encoder Strip as you install the CAUTION Stabilizer Bracket NOTE You may want to clean the Slide Shaft and the brass bushings on the Carriage Assembly prior to reinstalling the Carriage Assembly You may use Isopropyl Alcohol to clean the Slide Shaft but you should NOT use it to clean the brass bushings Use only a clean dry cloth to clean the brass bushings The new Stabilizer Bracket will already have the new Encoder Strip as well as new tapes for the Trailing Cable attached to it Refer to Figure Chapter 5 23 and to the appropriate sections of this chapter during this procedure To reinstall the Stabil
51. 6 or 8 Phillips screwdriver tighten the screws until snug 13 Reinsert the Snap Plug in the bottom of the Platen and turn the Platen onto its bottom side 14 Go to Section 11 5 5 68 2 Disassembly Assembly 11 5 Reassembly of Plotter After Reinstalling the Inner Platen Parts 1 2 Reinstall the Servo Motor See Section 5 2 Reinstall the Display Assembly See Section 6 2 Reinstall the Service Station Assembly See Section 7 2 Make sure the Ground from the Power Cable is still connected to the inside of the Platen at the same location as the ON OFF Switch Ground See Figure Chapter 5 24 Reinstall the Power Supply See Section 9 2 Reinstall the Left and Right Rollguides Reinstall the Left Side Plate See Section 8 4 Step 1 Attach the Ground from the Power Cable to the inside of the Right Side Plate near the front edge Route all the wires from the Servo Motor Assembly Stepper Motor Assembly Fan Assembly and Power Supply through the bottom slot on the Right Side Plate See Figure Chapter 5 29 Secure the Right Side Plate to the Platen with four screws See Figure Chapter 5 25 Feed the Trailing Cable and the Keypad Flex Cable through the openings in the Right Side Plate Make sure they are not over the top of the Right Side Plate Make sure the silver fingers are facing up when they are routed through the Right Side Plate See Figure Chapter 5 29 8 CADJET 2 Route the T
52. A 3 Number Title Page Figure C 1 CADJET 2 D Size Final Assembly eee C 6 Figure C 2 2 E Size Final C 7 CADJET 2 XXV Table of Contents TABLES Number Title Page Table 1 1 Media Sizes and Maximum Plotting Areas for Rollfeed Media 1 7 Table 1 2 Media Sizes and Maximum Plotting Areas for Sheet Media 1 8 Number Title Page Table 4 1 Decision Logic Table One DLT 1 4 4 Table 4 2 Decision Logic Table Two DLT 2 4 5 Table 4 3 Decision Logic Table Three DLT 4 6 Table 4 4 Decision Logic Table Four DET 4 4 7 Table 4 5 Decision Logic Table Five DLT 5 4 42 Table 4 6 Black Cartridge Flex Test 4 54 Number Title Page Table 6 1 Carriage Height Settings Chart 6 16 Table 6 2 Potentiometer Adjustment FlowchartL 6 25 CADJET 2 Chapter 1 GENERAL INFORMATION 1 0 Introduction CADJET 2 This manual provides service information for the ENCAD6s Inc CADJET 2 Color Ink
53. Accuracy 0 015 0 38mm or 0 2 of the specified vector line length whichever is greater Long Plot Plot length 50 15 24m Frame to Frame Registration 01 Distance Accuracy 20 of total length Buffer 4 MB permanently installed Two 72 pin 32 bit wide DRAM SIMM sockets User upgradable with 8 16 32 or 64 MB with 70 ns or faster SIMMS conforming to JEDEC Standard Number 21 C Release 4 or later Language Emulation HP GL HP 7440 7470 7475 7550 7570 7575 7576 7580 7585 7586 7596 HP GL 2 HP RTL EN RTL Media Types Paper based Presentation 5 mil and Premium Bond 7 mil Cotton based Inkjet Vellum Polyester based Inkjet Transparency Film 4 mil and Inkjet Drafting Matte Film 4 mil Rasterization Internal rasterizer Resolution 300 x 300 DPI monochrome gray and color 600 x 600 DPI monochrome and gray Interfaces Centronics bi directional parallel RS 422 serial RS 232 requires adaptor cable Baud Rates 300 600 1200 2400 4800 9600 19200 38400 Power Universal Power Supply 100 240 Vac 50 60 2 Hz AC Input DC Output Consumption Compliance Safety UL CSA TUV EMI FCC Class B VDE Class B CISPR22 Physical Specifications E Size Model Dimensions Height 48 121 cm Width 54 140 cm Depth 28 72 cm Weight Assembled Shipping Plot head D Size Model Dimensions Height 42 105 cm Width 43 112 cm Depth 28 72 cm Weight Ass
54. D Size model 3 Parts used only on the E Size model The parts and assemblies may be ordered through your local authorized dealer or ENCAD Inc s Technical Support and Service department see Chapter 1 Section 3 0 7 1 Replacement Parts List 2 0 Numerical Listing 2 1 Parts Used in both D Size and E Size Numerical PART DESCRIPTION RNR TETRA MLE TRS LOCTITE BLACK MAX 200353 CORD LINE SUT GRAY 9 FT SPRING COMPRESSION COVER 202512 P N will be changing CASTER NON LOCKING TWIN 202513 P N will be changing c CASTER LOCKING TWIN 5032991 d EE ASSY SERVICE STATION ASSY SERVO MOTOR QUI c 203845 tin ann neh tint ay tatana ASSY IDLER COOLA OA i ORS eae EL KEYPAD BOTTOM 203443 TE A ASSY FAN aes oh SPRING COMPRESSION IDLER Oe ASSY ROLLGUIDE RIGHT ASSY COVER RIGHT 20348051 22 fats tle PE eei eee FOAM BOTTOM LEFT 77067157 ey FOAM BOTTOM RIGHT SCREWS STAND teat ASSY KEYPAD TOP ae eee Ay CABLE KEYPAD BOSS A ASSY COVER
55. DSACK1 GACS MUXSEL Kosier DSACK1 T10 GACS lt KYPARCS 10K 10K PWMP PWMN HAD E T282 HA2 HA2 6 283 e 57583 HEAD Bir Q amsa SHIFT 2 1285 SHIFT HAO 193 T192 191 lt STPLEDCS lt DRAMOE T30 STLEDCS CLOCK KYPARCS DRAMOE cLock amp FLOCS FLICS SP1 RDO SIMM1CS BKPT lt BKPT BUSY RD1 SIMM2CS RXDO lt RXDO ACK RD2 MSTRRST FLOE lt FLOE STB RD3 1185 5120 RD4 HSKIN N A GACS RD5 BDMEN N A CCLK RD6 BDMEN RESET RESET RD7 PBDMCLK o T188 PBDMCLK N A K e lt SERDATA SERDATA i ps lt 68 pg 05 7372 10 84 YA RW gt 22222 lt lt lt lt lt 996009622222 SELECT DTR lt TR DTRCLK DTRCLK cO LED4 lt LED4 DONE PROG TSS DONE PROG dn PTRRTS PTRRTS gt lt lt 2 zu GATED Far a 2 PE PE LEFT_A Cr eM 5 0 LEFTB p LEFT_B RIGHTB T243 RIGHT_B STPLTCHA 75 C 01042 STPLTCHB 1242 OS TPLTCHB XC3042A 7PC84C 229 230 231 232 233 T234 235 236 FLOCS amp FLICS SIMM1CS SIMM2CS 5120 lt lt HSKIN i SPARE1 4 lt SPARE1 lt EPLDCTRL R184
56. Drive Assembly Make sure that the Retaining Ring snaps into the groove in the end of the Lower Drive Assembly 2 Gently place the Stepper Motor Assembly onto the Stepper Motor Bracket Be careful not to damage the gears Make sure that the gears are meshing with each other 3 Use the Pivot Screw and Pivot Nut to secure the Stepper Motor Assembly to the Stepper Motor Bracket Torque to 6 IN LB 4 Hook the Extension Spring onto the Spring Post 5 Place the Spring Post through the Stepper Motor Assembly and the Stepper Motor Bracket and secure it with the Retainer Spring Post Torque to 6 IN LB 6 Hook the Extension Spring onto the post on the Stepper Motor Bracket 7 Complete the reinstallation of the Inner Platen Parts by following the procedures listed below in Section 11 4 CADJET 2 5 65 Disassembly Assembly 11 4 Reinstalling the Inner Platen Parts When you reinstall the Lower Drive Assembly make sure that none of the Lower Rollers or the Gear catch on the screws cap nuts or openings inside the Platen If the Lower Rollers catch on any of these items they can become damaged which would affect the Skew and make it necessary to replace the entire Lower Drive Assembly Refer as needed to Figure Chapter 5 24 Figure Chapter 5 25 Figure Chapter 5 26 Figure Chapter 5 27 and Figure Chapter 5 29 during this procedure 1 Insert the Lower Drive Shaft Assembly and Stepper Motor Assembly part way into the rig
57. If the Keypad Display shows a LOAD MEDIA message but you have rollfeed media loaded the plotter may not be configured for roll media From the Main Menu press one of the arrow keys to advance to the display shown below MAIN MENU PRINTER SETUP Press SELECT and press the DOWN ARROW three times If the following display appears PRINTER SETUP ROLL OFF the plotter is set for cut sheet media and needs to be changed for rollfeed To change the setup press SELECT the equals sign will blink and one of the arrow keys so that the display reads as follows PRINTER SETUP ROLL ON Press SELECT to save the change the equals sign will stop blinking Align the rollfeed media on the Platen and press the LOAD button 2 CADJET 2 Troubleshooting 11 5 6 Loud Grinding Noise When Media Loads a Loose Drive Shaft Support Brackets Check to see if the brackets are secured firmly to the Platen Refer to Chapter 5 Section 11 4 Figure 5 26 if necessary The large 96 Teeth Gear may on the Lower Drive Assembly may be broken See Chapter5 Section 11 0 for instructions for replacing the Lower Drive Assembly The Stepper Motor may be defective Go to the SERVICE DIAGNOSTICS Menu and perform the DIAGNOSTICS PAPER MOTOR test to run the motor from 0 to 1 inches do not exceed 1 inches for error results If the test runs correctly this is not causing the grinding noise If the test does not run correctly replace t
58. Keypad Top Assembly over CADJET 2 03 16 MON ND ACCEKIDI REMOVE ASSEMBLY CEY PA D CABLE m SILVER FINGERS FACE UP q KEYPAD LABE KEYPAD SHIM N KEYPAD ASSEMBLY _ REMOVE 3 TO REMOVE BOTTOM KEYPAD BOTTOM VIJ V MOVE ASSEMBLY Figure Chapter 5 13 Display Assembly 5 27 Disassembly Assembly 4 With thumb and index finger release the connector lock on the Keypad Cable connector at J1 See Figure Chapter 5 14 5 Remove the Keypad Cable 6 Leave the Keypad Bottom attached to the plotter unless it is damaged CUNNECTUR ral l a Figure Chapter 5 14 Keypad Note The Keypad PCB is not available separately It is included as part of the Keypad Top Assembly See Chapter 7 for the part number 6 2 Reinstalling the Display Assembly Reinstall Display Assembly by reversing the procedure used to remove it When reinserting the Keypad Cable make sure that the silver fingers on the end of the cable face the Keypad PCB Also make sure that the lip on the right side of the Keypad Top Assembly is under the Right Cover Assembly 5 28 CADJET 2 Disassembly Assembly 7 0 Service Station Assembl 7 1 Removing the Service Station Assembly Be sure to clean the Service Station Assembly BE
59. Media Sizes and Maximum Plotting Areas for Rollfeed Media 1 7 Table 1 2 Media Sizes and Maximum Plotting Areas for Sheet Media 1 8 FIGURES Figure 1 1 Front View Cover Closed 1 11 Figure 1 2 Front View Cover Open 1 12 Figure VOW a ua Sau 1 13 Figure 1 4 Ling Length AGCCUFaoy rrr et rr ER er e RR 1 15 Figure 1 5 9KBW Deb s Ea en siot 1 16 CADJET 2 1 25 Chapter 2 THEORY OPERATION 1 0 Introduction This chapter explains the mechanical and electrical theory of the operation of the CADJET 2 Color Inkjet plotter The CADJET 2 is a 68340 microprocessor based digital plotter that receives plotting instructions from a host computer through the RS 422 423 serial interface or the Centronics parallel interface CADJET 2 2 1 Theory of Operation 2 0 Mechanical Operation 2 1 Media Axis Drive The Media Axis Drive moves the plotting media in a direction perpendicular to the length of the plotter This friction drive consists of the Stepper Motor reduction gears and the Pinch Wheels 2 2 Carriage Axis Drive The Carriage Axis Drive moves the plotter Carriage Assembly along the length of the plotter The drive consists of a Servo Motor Drive Belt and Tensioning Assembly
60. N 204007 2 iuro re xxi eee 7 33 2 Appendix EMERGENCY FIRMWARE DOWNLOAD PROCEDURE Flash EPROM is blank or corrupt or if the firmware upgrade nore Note 1 This procedure should be used to download firmware if the using the parallel cable does not work This procedure must be performed with a RS422 Serial Cable only A parallel cable will not work This cable is available from ENCAD Part Number 15 203977 See Chapter 7 of this manual If you prefer to make your own cable see Figure Appendix A 1 at the end of this appendix 1 Connect the RS422 Serial Cable to the computer and the plotter 2 You should use the most current version of the firmware which is CJDOS15 ZIP as of the date of publication of this manual It is available on ENCAD s BBS You may also contact our Help Desk to obtain the most recent version if you do not have access to the BBS See Chapter 1 Section 3 0 Type B INSTALL and press Enters Or type A INSTALL if your floppy drive is designated as A 4 Answer YES NO to Do you want to print the USERGUIDE TXT now and press lt Enter gt 5 Select the disk drive on which you want the DOS Utilities installed Press lt Enter gt 6 Specify the destination subdirectory where the files are to be installed Press lt Enter gt 7 Select the parts of the DOS Utilities you want to install by pressing SPACEBAR to toggle between YES
61. NOTE If the Stepper Motor needs to be replaced all of the steps from the beginning of Section 11 0 including all subsections must be performed If removing only the Stepper Motor do not remove the Bowed Washer Washer and Retaining Ring which between the end of the Lower Drive Assembly and the Stepper Motor Bracket See Figure Chapter 5 28 Do not remove the 20 Teeth Gear from the Stepper Motor See Figure Chapter 5 28 Do not remove the Oilite Bushing from the Stepper Motor Bracket If it should happen to fall out press it back in as far as it will go Do not clean the Bushing with alcohol Wipe it with a clean dry cloth only See Figure Chapter 5 28 1 Once the Inner Platen Parts have been removed remove the Stepper Motor from the Stepper Motor Bracket by unhooking the Extension Spring from the post on the Stepper Motor Bracket See Figure Chapter 5 28 2 Unscrew the Retainer Spring Post from the Spring Post and remove them from the Stepper Motor Bracket and Stepper Motor Assembly 3 Unscrew the Pivot Screw and Pivot Nut and remove them from the Stepper Motor Bracket and Stepper Motor Assembly 4 Remove the Stepper Motor from the end of the Lower Drive Assembly 5 If you are replacing the Stepper Motor Bracket you will need to remove the Retaining Ring Washer and Bowed Washer which are between the end of the Lower Drive Assembly and the Stepper Motor Bracket CADJET 2 5 63 Di
62. Not Turn 4 25 11 2 Plotter 4 26 T1 9 Plotter Will NOt Plt 4 27 11 3 1 Parallel Interface and Serial Interface Tests 4 29 11 4 No Movement in the Carriage 4 31 CADJET 2 4 65 Troubleshooting 4 66 11 5 Media 4 34 11 5 1 Cut Sheet Media Won t 4 34 11 5 2 Media Feeds Out of Plotter When Plot is Completed 4 36 11 5 3 Media Skews RIpples e eno b RATE 4 36 11 5 4 Loaded Media Not Detected Media Size Not Detected or Plotter Has Iticortect PIoD ATOS ecu ou pda toi S ted ocu codec Ede ped Ud qoe 4 37 11 5 5 Keypad Display Shows LOAD MEDIA Message When Rollfeed Media is ER 4 38 11 5 6 Loud Grinding Noise When Media Loads 4 39 11 6 Media Cutting Problemi 2 ete ae tec atr ede 4 41 Gartridg Problerms uu u u uuu u uyu e t ERU REL Due dp ols 4 42 11 7 1 Dried Up Cartridge caen Debo dante 4 43 11 7 2 Determining Ink LGV el xis iis nena ede neta eue dor 4 44 PRIME S L v etin Fl bdo xi a ME Mp EEG Da UNS ER a Rad 4 45 11 9 Tri Color Cartridge Failure Test Procedure
63. Section 8 0 Paper Skew Adjustment 6 27 Calibration 8 0 Paper Skew Adjustment V 6 28 The purpose of the Paper Skew Adjustment is to make certain that the Pinch Roller in the Upper Roller Support stays centered on its shaft and or has a gap when the Lower Roller is rotated forward for approximately two full revolutions In other words the Pinch Roller should not drift rapidly to the left or to the right when the Lower Roller is rotated forward for two full revolutions Slow drifting is acceptable Use the torque screwdriver with the PO bit to adjust the Upper Roller Support mounting screws Note 1 Use the sequence given in Section 8 1 as you do the steps given in Section 8 4 2 Read and follow ALL of the information in Sections 8 1 8 2 and 8 3 before you begin Section 8 4 CADJET 2 Calibration 8 1 Paper Skew Adjustment Sequence It is very important that the sequence for the adjustment given in this section be observed Refer to Figure Chapter 6 1 for the numbering sequence of the Upper Roller Supports NOTE Note The rollers should be adjusted moving from the right side of the Platen to the left side of the Platen 1 Load a sheet of B Size paper and adjust Rollers 8 7 and 6 following the directions in Section 8 4 2 Load a sheet of D Size paper and adjust Rollers 5 and 4 following the directions in Section 8 4 NOTE Note If you are not working with an E Size unit Step below w
64. Slide Shaft and align the left bushing on the Carriage Assembly with the left end of the Slide Shaft CADJET 2 5 37 Disassembly Assembly Make sure that the silver fingers on the Trailing Cable face up before inserting the Trailing Cable into the J1 connector lock See Figure Chapter 5 19 4 Connect the Trailing Cable to the J1 connector lock on the Carriage PCB Make sure the silver fingers on the Trailing Cable face up before inserting it into the lock See Figure Chapter 5 19 Slide both sides of the connector lock shut simultaneously 5 Press the Trailing Cable down onto the double sided tape on the Carriage PCB 6 Put the tie wrap down into the back hole in the Carriage PCB see Figure Chapter 5 19 feed it up through the front hole and put the end through the fastener 7 Grasp the loose end of the tie wrap next to the fastener with the side not the point of a pair of needlenose pliers Turn the pliers away from the fastener in order to pull the tie wrap snug Cut off the excess length of the tie wrap 8 Slide the Carriage Assembly to about the middle of the Slide Shaft and stretch out the Carriage Belt 5 38 2 Disassembly Assembly SILVER FINGERS MUST FACE UP Z TRAILING CA CONNE Figure Chapter 5 19 Reinstalling the Trailing Cable in J1 Connector CADJET 2 5 39 Disassembly Assembly V 5 40 Note 1 You may want to refer to Figure Chapter 5 18 while doin
65. a question condition is answered NO N look across the row for the letter N Look down the column containing the letter for the actions to be taken For our example media does load the condition on DLT 1 reads DOES PAPER LOAD and column 7 contains the NO answer for this condition you look for the letter in that row and then look down the column containing the for the actions to be taken note Note In some of the DLT s if the answer to the condition is YES 4 Look down column 7 for the number 1 The ACTION for the row containing the number 1 in column 7 is CHECK STEPPER MOTOR CONNECTOR JP5 This is the first action which should be performed to correct the condition of the media not loading 5 f the first action does not correct the condition proceed to the number 2 in column 7 If after performing the listed action the condition is not corrected proceed to the next number in column 7 until one of the actions corrects the condition 6 If none of the actions corrects the condition the last action that will be provided is CALL ENCAD TECHNICAL SUPPORT This does not necessarily mean that you have performed an action incorrectly or that you have misdiagnosed the problem not every situation can be covered in a DLT 2 2 Decision Logic Tables The Decision Logic Tables begin on the next page CADJET 2 4 3 Troubleshooting Table Chapter 4 1 D
66. above Once the Shaft Profile Height to Platen is measured and recorded in all three locations verify that the height numbers all measurements fall within 1 4340 0100 If the measured numbers do not fall within 1 424 1 444 stop the procedure and call ENCAD s Technical Support and Service department See Chapter 1 Section 3 0 6 11 Calibration 6 2 Cartridge Head Height Adjustment new dial micrometer adjustment gauge will be available nore Note This procedure is for use with the MITUTOYO system A shortly to replace the MITUTOYO system 6 2 1 Gauge Setup Procedure You will need the following e the Carriage Height and Tit Measurement Fixture P N 204278 e MITUTOYO s Linear Gauge code 572 312 and e the Display Unit code 572 031A label attached above the LCD This Display Preset Number is determined when the gauge is calibrated by ENCAD and equals the zero point for that gauge nore Note 1 The Display Unit should have a Display Preset Number on a The Linear Gauge should also have a number on a label attached to the gauge This number is the variance allowed from the Display Preset Number 1 Holding the Linear Gauge in your hand push the PSET button twice on the Display Unit The number on the LCD should match the number on the label attached above the LCD on the Display Unit 2 Check that the Linear Gauge is functional by pressing the tip of the Linear Gauge all the way inward
67. it to the far left position 4 Use 1 Phillips screwdriver to reattach the plastic right Cam Actuator back into place on the front of the Y Arm Be careful not to overtighten the screw or the plastic may break CADJET 2 5 31 Disassembly Assembly 8 0 Left Cover Assembly Left Side Plate 8 1 5 32 Carriage Assembly Trailing Cable Carria ge Belt Removing the Left Cover Assembly and Left Side Plate There is a screw and nut in approximately the middle near the top edge of the Left Side Plate These have been set at the factory to a specific torque DO NOT tighten or loosen this screw and nut at any time See Figure Chapter 5 25 Remove both Cartridges and the Top Cover Using a 2 12 Phillips screwdriver remove the screw located at the bottom back of the inside of the Left Side Plate See Figure Chapter 5 16 Using a 2 12 Phillips screwdriver remove the 2 screws on the inside of the Left Side Plate One screw is located at the top back of the inside of the Left Side Plate The other screw is located at the front of the inside of the Left Side Plate and is inside the Block Filler See Figure Chapter 5 16 The screw inside the Block Filler cannot come out of the Block Filler unless you unscrew the Block Filler from the Left Side Plate Slide the Left Cover Assembly off the end of the unit and set it aside Using a 2 8 Phillips screwdriver remove the 4 screws on the outside
68. lines bi directionally If there is vibration check for debris in the grooves of the Servo Motor Pulley and the Pulley and or on the inside of the Carriage Belt A brush such as a clean toothbrush or toothpick can be used to dislodge any debris in the pulley grooves A clean dry cloth can be used to clean the inside of the Carriage Belt Although the pulleys and belt can be cleaned with the belt in place on the pulleys you may find it easier to do the cleaning by removing the belt from the Servo Motor Pulley See Chapter 5 Sections 8 7 and 8 8 for instructions on removing and replacing the Carriage Belt Carriage vibration may also be caused by the belt rubbing on the Frame Tensioner or by a noisy Servo Motor Run the Servo Motor Test SERVO MOTOR Select FAST or SLOW speed to cycle the Servo Motor Display message will be either RESULT OK or RESULT ERROR If ERROR appears the Servo Motor or driver circuits may be faulty Replace the Servo Motor first See Chapter 5 Section 5 0 for instructions If ERROR still appears replace the MPCB See Chapter 5 Section 4 3 for instructions 4 59 Troubleshooting CAUTION 4 60 The Carriage Belt may not be properly tensioned a Check the idler assembly frame tensioner spring and pulley at the top left end of the plotter See Chapter 5 Section 5 18 b sure the belt is properly installed in the Belt Clamp Also check to see if the Belt Clamp is cracked Ref
69. not 33 00 0 05 press SELECT and then press the UP ARROW or DOWN ARROW until the displayed value matches the distance you measured Press SELECT to save the new value Reload the paper and press MENU and SELECT The plotter will redraw the marks Unload the paper and verify that the distance between the horizontal lines is correct Then proceed to Section 11 0 Deadband Calibration 6 46 CADJET 2 Calibration 11 0 Calibration Deadband Calibration compensates for minute differences created when bi directional plotting is used Figure Chapter 6 13 shows how to correct the differences The CADJET 2 Service Menu provides for both Slow Deadband and Fast Deadband Calibration NOTE Note Uni directional plotting is not affected by deadband Figure Chapter 6 13 Deadband Alignment CADJET 2 Calibration 11 1 Slow Deadband Calibration The SLOW DEADBAND calibrati
70. of inter related parts and to provide other helpful information They are indicated by the Note symbol at the left The text of the note is in italics and is enclosed in a box ORIENTATION Instructions this manual are based on the assumption that the service person is facing the front of the plotter References to top view back view and so forth are consistent with this engineering standard References to the X Axis and Y Axis Paper Axis and Carriage Axis respectively follow the standard of AutoCAD absolute coordinates up and down for X left to right for Y WARNING Read all warning notes before proceeding with any action steps to eliminate possible serious damage to the plotter and or possible personal injury to the service person Warnings indicated by the Warning symbol at the left The warning text is in bold italics type and is enclosed in a box CADJET 2 General Information 3 0 ENCAD Technical Support amp Service ENCAD offers full technical support and service for its various products If you are unable to find the answer to your question in either the User s Guide Service Manual or other related publications contact our Technical Support and Service Department s Help Desk ENCAD Inc Technical Support amp Service Dept 6059 Cornerstone Court West Diego 92121 Help Desk Telephone 619 452 4350 Help Desk FAX 619 546 0659 Additional information is available o
71. of the EPROM is performed The first four kilobytes of RAM are tested to make sure enough RAM is working to run the compiled C code Execution of the compiled C code begins RAM size is determined and all RAM is tested Status information is shown on the display during the test Memory is displayed at the end of the test The code in the EPROM is copied to RAM and the program begins executing out of RAM CADJET 2 3 6 CADJET 2 Theory of Operation Memory Memory is used to retain large amounts of information This information is stored in the device memory in the form of binary bits Plotter memory consists of Flash EPROM RAM and EEPROM Flash EPROM is Erasable Programmable Read Only Memory used to store instructions and data constants which the microprocessor can access and interpret with no loss of information when power is off RAM is Random Access Memory which provides temporary storage of the microprocessor calculation and input output data The plotter control program is also copied from the Flash EPROM to RAM where it can be executed faster EEPROM is an Electrically Erasable Programmable Read Only Memory which provides storage for calibration constants and user configuration data entered from the front panel keys Maximum usable memory is as follows 68 MB Flash EPROM 1 MB EEPROM 1KB 2 9 Theory of Operation 3 7 Flash EPROM 2 10 The system firmware is stored in a Fl
72. of the Left Side Plate and set it aside CADJET 2 Disassembly Assembly INSIDE BLOCK FILLER NED ASSEMBLY BUT CANNOT LESS BLOCK FILLER WED FROM LEFT SIDE PLATE Figure Chapter 5 16 Inside View of Left Side Plate CADJET 2 5 33 Disassembly Assembly 8 2 Removing the Carriage Assembly NOTE When removing the Carriage Assembly the Cartridges Top Cover Left Cover Assembly and Left Side Plate must first be removed See Section 8 1 of this chapter The replacement of the Carriage PCB the Paper Sensor Assembly and the Paper Sensor Flex is very complex and requires special tools and fixtures Therefore if any of these components of the Carriage Assembly has failed and needs to be replaced it is necessary to replace the entire Carriage Assembly Power must be disconnected It is recommended that you be grounded to a static station by an ESD wrist strap to prevent ESD damage whenever you are handling the Carriage Assembly not touch the Encoder Strip with any tools when removing the Carriage Belt from the Servo Motor Pulley Always handle the Trailing Cable with care Do not twist or turn the cable 1 Remove the Trailing Cable Cover from the back of the Y Arm Use a 5 16 Hex Nut Driver to remove the three nuts which secure it to the back of the Y Arm 2 Use wire cutters to cut the tie wrap holding the Trailing Cable on the Carriage PCB Be careful n
73. order to pull the tie wrap snug Cut off the excess length of the tie wrap Move the Carriage Assembly to the very left end of the Slide Shaft Place the Trailing Cable Location Fixture P N 204483 flat on the Stabilizer Bracket against the back wall of the Stabilizer Bracket Remove the top protective cover on the 2 double sided tape on the right end of the Stabilizer Bracket and press the right end of the Trailing Cable onto the tape With the Carriage Assembly still at the very left end of the Slide Shaft and with the Trailing Cable still in line with the Trailing Cable Location Fixture P N 204483 remove the top protective cover on the 2 double sided tape in the center of the Trailing Cable and press the Trailing Cable onto the tape Remove the fixture Slide the Carriage Assembly back and forth several times to make sure that the Trailing Cable does not catch on anything and to make sure that the Carriage Assembly will travel the full length of the Slide Shaft 5 47 Disassembly Assembly 8 7 Removing the Carriage Belt from Carriage Assembly NOTE Note 1 All of the procedures covered under this section are based upon the assumption that the Carriage Assembly has already been removed from the Slide Shaft Refer to Sections 8 1 and 8 2 in this chapter if it has not been removed Once the Carriage Belt has been installed Section 8 8 refer to Sections 8 3 and 8 4 in this chapter for reinstallation of the
74. procedures in Chapter 3 Section 3 0 2 Check for tightness of the Roller Supports by tightening the hardware See Chapter 6 Section 8 2 3 The Lower Drive Shaft Rollers may be misaligned 4 The Fan Assembly may have something that has fallen into it or it may need to be replaced Remove the Fan Assembly first to see if anything is loose inside of it If not then replace the Fan Assembly See Chapter 5 Section 11 0 11 16 User Parameters Not Saved When Power Is Cycled 4 58 If the user parameters are not as expected when the plotter is turned on the parameters were not saved by pressing SELECT before turning off the plotter Go to the desired menu and display the desired menu parameter While this value or setting is displayed and the equals sign is flashing press the SELECT button to save Save the desired default settings to USER1 This User number will be used when the plotter is powered up 2 Troubleshooting 11 17 Plotter Carriage Moves Erratically CADJET 2 If the plotter Carriage does not move smoothly while plotting or the plot quality is poor perform the actions below until the problem is corrected 1 Slide Shaft be dirty See Slide Shaft Maintenance Chapter 3 Section 3 0 Run the Carriage Vibration Test in the DIAGNOSTICS Menu DIAGNOSTICS CARRIAGE VIBRATE This option tests for Carriage vibration by printing a test pattern of 5 sets of 3 parallel
75. steps from Section 6 0 Adjustments Prior to Calibration up to and including this Section 6 3 Encoder Strip Location Visual Check CADJET 2 6 19 Calibration 6 4 6 20 Idler Pulley and Belt Position Check The Idler Pulley must be in a horizontal position It must not be misaligned or move up and down causing the belt to rub against the tensioning mechanism The belt must always clear the tensioner housing If there should be a problem with the alignment of the Belt refer to Chapter 5 Figure 5 18 of this CADJET2 Service Manual for information concerning the proper alignment of the Idler Pulley Assembly in the Frame Tensioner The side of the Idler Pulley Assembly with the thicker ring of plastic must face up If the Idler Pulley is in the correct position and the problem is still present report the unit to ENCAD s Technical Support and Service department See Chapter 1 Section 3 0 Note that the spring must be engaged in the assembly and clearance should be achieved with no manual intervention The Carriage Belt must clear the bottom of the Stabilizer Bracket by at least 015 Run the Carriage from left to right and back Observe the motion of the Carriage Belt Insert a 0 15 flat shim stock under the Stabilizer Bracket If the shim deflects the Carriage Belt when it is flush under the Stabilizer Bracket call ENCAD s Technical Support and Service department See Chapter 1 Section 3 0 CADJET 2 6 5 Calibra
76. the Cartridge Holder 2 Press lightly against the jets with a moistened with water lint free non paper cloth do not use tissues until ink is released from the Cartridge Blot do not wipe the jet area Wiping may damage the jet area Gently blot any excess ink reinstall Cartridge and run PRIME It may be necessary to run the PRIME plot several times in order to obtain a satisfactory plot See Chapter 4 Section 11 8 for information concerning the appearance of the PRIME plot 3 If the Cartridge continues to misfire remove the Cartridge again Use an ultrasonic cleaner the type used to clean technical pens or jewelry typically found in drafting supply stores or department stores with water distilled water preferred but not necessary Hold the bottom end nozzle plate end of the Cartridge in the water The green end the Tri Color Cartridge should never be CAUTION inserted in the ultrasonic cleaner Do not allow the Cartridge nozzle plate to rest on the bottom of the ultrasonic cleaner CADJET 2 3 9 Maintenance V 3 10 Set the timer for 10 20 seconds then remove Dry the Cartridge body avoid touching the jet area Reinstall Cartridge and run PRIME again Repeat steps as often as necessary to improve PRIME After a satisfactory PRIME plot is obtained perform the Cartridge Calibration See Chapter 6 Section 12 0 of this service manual 4 f priming and the above maintenance proc
77. the Cutter Wheel note Note Certain media is more abrasive than other types of media If the cut edges of the media are ragged or the cut is not complete across the media you need to replace the Cutter Wheel This part is available from your local authorized dealer or directly from ENCAD 2 4 41 Troubleshooting 11 7 Ink Cartridge Problems Ink used in the Cartridges may be harmful if swallowed Avoid getting ink in the mouth Keep Cartridges away from small children Use the ACCESS CARTRIDGES button on the LED panel to move the Carriage Do not move the Carriage by hand Damage to the Carriage may result Table Chapter 4 5 Decision Logic Table Five DLT 5 WARNING OBSERVE ALL STANDARD STATIC AND SAFETY PRECAUTIONS BEGIN WITH ASSUMPTIONS LISTED BELOW ASSUMPTIONS 1 CARTRIDGE NOT DAMAGED BY DROPPING IMPROPER STORAGE OR TAPPING ON A HARD SURFACE REPLACE IF DAMAGE IS SUSPECTED OR KNOWN 2 CARTRIDGE IS NOT OUT OF INK SEE Determining Ink Level BELOW TO DETERMINE WHETHER CARTRIDGE IS OUT OF INK CONDITIONS 21314156 PORTIONS OF LINES ARE MISSING SERIES OR BLOCK OF NOZZLES MORE THAN 5 FAIL PRIME PLOT GRID SHOWS A ONE ON ONE OFF PATTERN FOR A CARTRIDGE ACROSS THE PLOT REPEAT PRIME SEVERAL TIMES SEE SECTION 11 8 IN THIS CHAPTER FOR INFORMATION ABOUT EVALUATING THE PRIME PLOT REMOVE AND REINSTALL CARTRIDGE REPEAT PRIME REFER TO CHAPTER 3 SECTION 6 3 CAUSE 1 REMOVE
78. tighten them slightly 7 Tighten all the screws in the supports until they are snug 8 Insert the Foam Block Make sure that the Power Supply Cable is in the opening in the front of the Foam Block Also make sure that the Stepper Motor Assembly and Fan Assembly cables are at the back corner of the Foam Block See Figure Chapter 5 27 Push the Foam Block in until it is flush against the Stepper Motor Assembly Make sure it is not tilted at an angle 9 Turn the Platen onto its back Do not overtighten the screws which hold the Fan Assembly in CAUTION place The threads in the screw holes will strip very easily 10 Reach through the opening for the Fan Assembly with your left hand align the opening in the Fan Assembly with the right edge of the opening in the Platen and align the three screw holes f necessary push the Power Supply Cable up towards the front edge of the Platen so that it is out of the way of the Fan Assembly 11 Hold the Fan in place with your left hand and insert the screws Make sure that the screws go in straight Using a 2 6 or 8 Phillips screwdriver tighten them just until snug Do not overtighten or the threads on the screw holes will strip CADJET 2 5 67 Disassembly Assembly The Exhaust must be oriented correctly in order to achieve the CAUTION proper vacuum inside the Platen See Figure Chapter 5 24 12 Reinstall the Exhaust on the outside of the bottom of the Platen Using a 2
79. to Chapter 5 Sections 4 3 of this manual for the replacement procedures The Carriage has stopped moving in its normal direction due to an obstruction such as a paper jam or a hand in the way Turn the plotter OFF and remove any obvious obstruction and the media Turn the plotter ON load new media and resend the plot If this same message appears call ENCAD s Technical Support and Service department at the number listed in Chapter 1 Section 3 0 for further instructions 7 8 Ready to Replot READY TO REPLOT XXXXX CADJET 2 For cut sheet only This display indicates the plotter is ready to generate another copy of the same image which has already been transmitted to the plotter and printed This display will remain until a piece of cut sheet media is loaded Line two of the display indicates the quantity of replots remaining Troubleshooting 8 0 Initialization Sequence 4 22 A variety of checks are automatically performed by the plotter When power is connected the initialization process begins The plotter will briefly display a copyright message and then start the internal initialization The Fan will turn on and the Carriage will move from right to left and back to the Service Station The first message reads ROLL OFF CUT ON SAVE MEDIA ON The Carriage will then move across the plotter engage the Cutter and move back to the Service Station cutting the media if a roll of media is installed At this point the in
80. to the display shown below MAIN MENU PRINTER SETUP Press SELECT and press the DOWN ARROW three times If the following display appears PRINTER SETUP ROLL ON the plotter is set for roll feed media and needs to be changed for cut sheet To change the setup press SELECT the equals sign will blink and one of the arrow keys so that the display reads as follows PRINTER SETUP ROLL OFF Press SELECT to save the change the equals sign will stop blinking Align a sheet of media on the Platen and press the LOAD button The media will be sized and pulled to the back of the plotter until it reaches the starting position on the Platen CADJET 2 2 2 Troubleshooting In media with a preprinted border the optical sensor on the Carriage Assembly may sense the preprinted border as the edge of the media if the preprinted border is too wide Use the Manual Load function see Chapter 2 in the CADJET 2 User s Guide for instructions Certain media types may cause difficulty in loading Use the Manual Load function see Chapter 2 in the CADJET 2 User s Guide for instructions The paper sensor may be defective As an intermediate measure use the Manual Load function See Chapter 2 in the CADJET 2 User s Guide for instructions In order to test the paper sensor see Chapter 6 Section 6 5 for the Paper Sensor Potentiometer Adjustment If it fails this adjustment replace the Carriage Assembly See Chapter 5
81. 0 x 12 0 B 12 0 x 18 0 C 18 0 x 24 0 D 24 0 x 36 0 E 36 0 x 48 0 A4 210 x 297mm 297 x 420mm A2 420 x 594mm A1 594 x 840mm 0 841 x 1189mm A4 250 x 337mm 337 x 460mm A2 460 x 634mm A1 634 x 881mm 0 881 x 1229 mm B3 353 x 500mm B2 500 x 707mm B1 707 x 1000mm E1 30 0 x 42 0 E2 260 x 38 0 27 0 x 39 0 CADJET 2 Normal Plot Area U S ENGINEERING Expanded Plot Area x x x x x x x x x x 7 3 x 9 8 8 1 9 8 x 15 8 10 6 15 8 x 20 8 16 6 20 8 x 32 8 21 6 32 8 x 42 8 33 6 ARCHITECTURAL 7 8 x 10 8 8 6 10 8 x 16 8 11 6 16 8 x 22 8 17 6 22 8 34 8 23 6 34 8 x 46 8 35 6 ISO A 180 x 267mm 200 267 x 390mm 287 390 x 564mm 410 564 x 810mm 584 811 x 1159 mm 831 METRIC DIN 220 x 307mm 240 307 x 430 327 430 x 604mm 450 604 x 851mm 624 851 x 1199 mm 871 ISO B 323 x 470 343 470 x 677 mm 490 677 x 970mm 697 SPECIAL 28 8 x 40 8 29 6 24 8 x 36 8 25 6 25 8 x 37 8 26 6 10 6 16 6 21 6 33 6 43 6 x x x x 11 6 17 6 23 6 35 6 47 6 x x x x x 287 mm 410 mm 584 mm 830 mm 1179 mm 327 mm 450 mm 624 mm 871 mm 1219 mm 490 mm 697 mm 990 mm x 41 6 x 37 6 x 38 6 General Information Table Chapter 1 2 Media Sizes and Maximum Plotting Areas for Sheet Media Paper Size A 8 5 x 11 0 B 1
82. 0 1uF 10K THRESHOLD D3 x BAV9 R33 5V U8C 200K 5V i LM324 9 9 8 150 4 i PEAK 4 0 1uF 1 8W 1 8W R25 9 T C10 22uF 10K 10 35V zi U9A D4 LATCH ENABLE 74HC00 SFH409 R27 gt 1K 108 5 USD U9B 74HG00 74HC00 24V R26 10K LM324 R34 i 30K 2 gt R23 10K R18 R21 10K x 1 U10C 7 10 LM324 U10B 124 10K 8 14 9 2 5V R17 ae 30K 10K 0 1ul NOTES UNLESS OTHERWISE SPECIFIED PEAK R24 10K ALL RESISTORS ARE IN OHMS 5 1 10W ALL CAPACITORS ARE IN MICROFARADS 10 50V R30 TO PRODUCE 18 20V 01 1 LOOKING WHITE BOND AT A DISTANCE OF 0 200 Encad Inc AND 01 ARE ATTACHED THROUGH CABLE 5059 Cornerstone Court PIN NUMBERS REFER TO THE CONNECTOR PIN NUMBERS Ban Diego CA 92121 SELF CALIBRATING PAPER EDGE DETECTOR Bize Document Number 204937 D Date Thursday November 09 2000 Bheet 2 of 8 7 6 5 4 3 2 1 ENCAD ADJE MAIN MENU gt SERVICE press DOWN ARROW SERVICE PRINT MODE DIAGNOSTICS CALIBRATION press DOWN ARROW press SELECT press SELECT MAIN MENU ROM CALIBRATION UTILITIES RESULT OK DEADBAND XX press SELECT press SELECT RESULT OK XX 52 to 69 do not exceed this range of values 52 amp 61 work best reads paper size amp displays information ARROW Vs press SELECT to
83. 1 2 3 At the BBS Main Menu press F for the Files Menu At the Files Menu press D to download a file To download the CADJET DOS Utilities Disk type CJDOS15 ZIP To download the Line Quality Acceptance Standards type CJ2GS PLT for E Size plotters CJ2GSD PLT for D Size plotters After the files have been downloaded and communications have been ended the CADJET DOS Utilities Disk files need to be unzipped onto a floppy disk Insert a floppy disk into your B drive or A drive depending upon your particular configuration and at the C prompt type PKUNZIP CJDOS15 ZIP B or CJDOS15 ZIP A CADJET 2 6 5 Calibration 6 Type DIR B or DIR A to make certain that you have the files listed below INSTALL EXE INSTALL DAT DISK ID USERGUID TXT CADUTIL 001 205495 21 ENCADXXX ROM GO EXE MENUTREE RTL HOUSED XPF 4775CD XPF Files marked with will not be transferred to your hard drive when the installation is performed 205495 ZIP contains the following files and will also need to be unzipped DOWNLOAD EXE DOWNLOAD HLP DOWNLOAD CFG BDM_CODE BDC BDM2CODE BDC BDM_DATA BDT BDM2DATA BDT 7 f all the above files are present on your floppy disk at the C prompt type B INSTALL AMNSTALL to install the Utilities Disk files onto your hard disk Be sure you unzip 205495 ZIP first 8 To use the Emergency Flash ROM Boot Procedure see Appendix A of this service manual To do a
84. 1 SDOUT DSACK1 PB3 IRQ3 DTR GB R15 47 o T39 PB5 IRQ5 lt DONE PROG 3 1 548 RXDO IPIPE BDOUT PB6 IRQ6 IFETCH BDIN PB7 IRQ7 Bkpr 2 BKPT BDCLK 804 FREEZE RTSA OPO T62 EECLK _ 207 RTSB OP1 o T41 PET f DTRCLK lt lt SCLK OP4 2181 sonens OP6 EPLDCTRL SERDATA K SERDATA z RXDO oT59 TXDO CSO AVEC Linz C EE FLOCS 3C8 5C6 0 CS1 IRQ1 PB1 Te FLICS 3C8 5C3 788 CS2 IRQ2 PB2 SIMM1CS 3C8 Ji o T56 KYBD DSP CS3 IRQ4 PB4 SIMM2CS 3C8 apa DS amp DS 3B8 AS RW x lt RW 3C8 6A8 BMC T318 gt T322 o T48 FCO 2 lt lt TA m T49 ae 7320 T321 4 lt TOUT2 3B m T311 9 312 9 SIZEO SIZE1 T317 9 0 1uF MOTOROLA VCCSYN BDM PORT XFC CLOCK XTAL 3C8 5A5 NCAD Incorporated 3 6864MHz 34852898 itle Enhanced Main Board CPU sch de C92 32 768KHz C12 Jb 22pF 2pF 10pF C15 Document Number 22pF B 205325 Date Monday November 04 2002 Sheet 2 78 10uF 10V C17 C18 C19 0 1uF 0 1uF 0 1uF A 0 29 lt lt C20 0 1uF C21 0 1uF C94 0 1uF RASO RAS1 RAS2 RAS3 RAS4 RAS5 RAS6 RAS7 RAS8 VCCIO VCCINT VCCIO VCCINT VCCINT PP 000 50 CAS1 PD6 CAS2 PD5 CAS3 o T194 PD2 MUXSEL R185 R186 R187 10K D 0 15 lt R181 10K SP2 PD1 DSACKO
85. 1 With the display set at X CURRENT VALUE FOR YELLOW DB X YELLOW DB press SELECT and the UP ARROW or DOWN ARROW to change the value Press SELECT to save the new value 2 Press the DOWN ARROW The display will read X CURRENT VALUE FOR MAGENTA DB X MAGENTA DB 3 Press SELECT and the UP ARROW or DOWN ARROW to change the value Press SELECT to save the new value 4 Press the DOWN ARROW The display will read X CURRENT VALUE FOR CYAN DB X CYAN DB 5 Press SELECT and the UP ARROW or DOWN ARROW to change the value Press SELECT to save the new value 6 58 CADJET 2 Calibration 6 Press MENU The display will read COLOR DB 7 Press SELECT A new pattern for COLOR DEADBAND will be printed Compare these patterns with the previous pattern and choose between them for the straightest color lines If neither pattern is satisfactory perform the adjust again with another value until you have selected the DEADBAND values which achieve the best results Record the value in Part3 of the Calibration Worksheet and proceed to Section 14 0 CADJET 2 6 59 Calibration 14 0 Line Quality Plot Computer Test 1 Press MENU twice The display will read MAIN MENU UTILITIES 2 Press the UP ARROW until the display reads MAIN MENU PRINT MODE 3 Press SELECT The display will read PRINT MODE MODE NORMAL The plotter is now set to NORMAL mode 4 Connect the parallel cable from the computer to the rear of the plotte
86. 1 0 x 17 0 17 0 22 0 22 0 34 0 E 34 0 x 44 0 U S A 9 0 x 12 0 B 12 0 x 18 0 18 0 24 0 D 24 0 x 36 0 36 0 x 48 0 A4 210 x 297mm 297 x 420mm A2 420 x 594mm A1 594 x 840mm 0 841 x 1189 mm 4 250 337 337 460 2 460 x 634 1 634 x 881mm 0 881 x 1229 mm B3 353 x 500mm B2 500 x 707mm B1 707 x 1000 E1 30 0 x 42 0 2 260 x 38 0 27 0 x 39 0 1 8 Normal Plot Area U S ENGINEERING Expanded Plot Area 7 3 x 90 8 1 9 8 x 15 0 10 6 15 8 x 20 0 16 6 20 8 x 32 0 21 6 32 8 x 42 0 33 6 ARCHITECTURAL 7 8 x 10 0 8 6 10 8 x 16 0 11 6 16 8 x 22 0 17 5 22 8 x 34 0 23 6 34 8 x 46 0 35 6 ISO A 180 x 247mm 200 267 x 370mm 287 390 x 544mm 410 564 x 791 584 811 x 1139 mm 831 METRIC DIN 220 x 287 mm 240 307 x 410mm 327 430 x 580mm 450 604 x 831mm 634 851 x 1179 mm 871 ISO B 323 x 450 343 470 x 657 mm 490 677 x 950mm 697 SPECIAL 28 8 x 40 0 29 6 24 8 x 36 0 25 6 25 8 x 37 0 26 6 x x x x x x x x x XK x x 9 4 15 4 20 4 32 4 42 4 x x x x x 10 4 16 4 22 4 34 4 46 4 x x x x x 257 mm 380 mm 554 mm 801 mm 1149 mm 297 mm 420 mm 694 mm 841 mm 1189 mm 460 mm 667 mm 960 mm x 40 4 x 36 4 x 37 4 CADJET 2 General Informa
87. 18 CADJET 2 Disassembly Assembly 4 5 Extra Memory SIMM Power must be disconnected Integrated circuits can be weakened or inactivated by electrical discharge It is recommended that you be grounded to a static station by an ESD wrist strap to prevent ESD damage For storage or shipment of printed circuit boards anti static bags are highly recommended 4 5 1 Extra Memory SIMM Removal 1 The SIMM slots are at a 45 angle Facing the top of the SIMM push the side clips gently to the outside away from the SIMM and lift up and pull out being careful not to damage the fingers on the top See Figure Chapter 5 7 Figure Chapter 5 8 and SIMM SLOTS rad belay had mak al hal nnnnnnnnnnnnp SEE FIGURE 5 8 Figure Chapter 5 7 Location of SIMM Figure Chapter 5 9 PUSH CLIPN w AWAY FROM gt s SIMMS Figure Chapter 5 8 Closeup CADJET 2 5 19 Disassembly Assembly 5 20 2 Disassembly Assembly 4 5 2 Extra Memory SIMM Installation For proper specifications and dimensions for the SIMM please refer
88. 2 the current design does not support single bank 128 megabyte SIMM s Dual bank 128 megabyte SIMM s must be used until A12 is defined A26 and A27 are mux ed and provided as A12 to the SIMM and the EPLD equations modified REVISION HISTORY Initial Release ECN No 84108 ECN No 84196 ECN No 84324 Added capacitors C92 to C96 for CISPR22 A compliance ECN No 84458 Changed R86 and R87 from 4 7Kohms to 2Kohms ECN No 84457 Changed R17 to R28 from 75 ohms to 33 ohms Added test jumpers to flash chip selects for use with EST Changed R157 to R172 from 75 ohms to 33 ohms Added square test post holes to DRAMOE and GACS Changed taps on delay line from 10 30 nsec to 15 30 nsec NCAD Incorporated 5059 Cornerstone Court West Enhanced Main Board 205325 5 Document Number 205325 Date Monday November 04 2002 Sheet 2 X D 0 15 3D4 5B6 6B7 7D4 8D6 lt 0 29 3D8 5B6 608 A25 A26 A27 A28 A29 5VO DO EEDATA 2C3 AO R174 1 2 4 5 6 8 9 10 11 12 1 14 15 16 17 18 19 20 21 22 A23 R142 R143 R144 R145 R146 4 7K 4 7K 4 7K 4 7K 4 7K 24 PA1 A25 382 DREQ1 PA2 A26 3B2 DREQ2 27 4 28 lt RESET 3C8 5A8 806 9C8 29 D PA6 A30 T36 7 1 lt 5 1 m DSACKO PBO MODCK EEDATA 2D7 DSACK
89. 2 0 Decision Loqic Tables 2 1 Procedure for Using Decision Logic Tables V 4 2 Always check the information at the top of the DLT carefully so that you are aware of any warnings references to other manuals any Begin with or Exit to information and the assumptions upon which the particular DLT is constructed After this information has been reviewed locate the condition with which you are dealing The section of the DLT labeled CONDITIONS asks questions concerning various conditions which can be answered Yes or No Y or N The section of the DLT labeled ACTIONS provides actions which can be performed The actions are listed progressively from simple to complex with the lowest cost time factor first The information is listed in this order Hardware Software Mechanical and Electrical Use the following hypothetical condition to familiarize yourself with the DLTs CONDITION The media does not load The plotter is a CADJET 2 and is receiving power PROCEDURE 1 After reviewing all information at the top of Table Chapter 4 1 DLT 1 it has been determined that DLT 1 is the proper table to use CADJET 2 Troubleshooting 2 Read the conditions listed in the DLT and answer each question For this DLT 1 if the answer to the question is YES Y proceed to the next condition NOTE Note In some of the DLT s you proceed to the next condition if the answer to the condition is NO 3 When
90. 3800 32 2 2 2 224 2 7 26 Assy Legs and Basket P N 205175 7 26 Assy Lower Drive P N 204917 31 7 27 Assy Stabilizer Bracket Service P N 204551 7 27 Assy Top Cover P N 204367 5 7 27 Belt Ribbed P N 209909 cote ea Nu eg eatin o Up eue rr eer cep x es 7 28 Cable Trailing P N 803778 2 2 5 2 1 15 53 a acad aera 7 28 Platen Machined P N 204848 7 28 Slide Shaft P N 20400 7 31 cnet ptg ptg vp v o RUE Ne p XP 7 29 Angle Trailing Cable P N 203800 3 7 30 Assy Legs and Basket P N 205174 7 30 Assy Lower Drive P N 204917 1 7 31 Assy Stabilizer Bracket Service P N 204550 7 31 Assy Top Cover P N 204367 7 7 31 Belt 3 Rib P N 203230 herr oe er eco c ci 7 32 Cable Trailing P N 2093448 race 7 32 Platen Machined P N 204847 7 32 Slide Shaft P
91. 6 volts use the torque sealer volts coll ENCAD s Technical Support CGLIPTAL to seal the Potentio and Service Department meter Adjustment Screw head See Chapter L Section 3 0 CADJET 2 6 25 Calibration 3 Wait for the download to finish The plotter will briefly show a copyright message on the Keypad Display and then perform internal diagnostics The following display indicates that the automatic diagnostic tests were acceptable and the firmware 4 MG RAM is installed MAIN MENU PRINT MODE 4 The Carriage should move from the right side to the left side and return to the Service Station The Cutter will be activated at the left side of the Platen and de activated at the Service Station when the Carriage returns 5 Proceed to Section 7 0 Paper Skew Setup 6 26 CADJET 2 Calibration 7 0 Paper Skew Setup CADJET 2 Power must be connected to the plotter Go to the following display MAIN MENU PRINT MODE Press the Down Arrow 4 times The display will read MAIN MENU PRINTER SET UP Press SELECT The display will read PRINTER SETUP EMULATION HPGL2 Press the Down Arrow 2 times The display will read PRINTER SETUP ROLL FEED ON Press SELECT The display will read PRINTER SETUP ROLL FEED ON Press the Down Arrow The display will read PRINTER SETUP ROLL FEED OFF Press SELECT then MENU and then the Down Arrow 4 times until the display reads MAIN MENU PRINT MODE Proceed to
92. ACCESS CARTRIDGE Pull out the misfiring Cartridge and immerse its jet plate in an ultrasonic cleaner for about 20 seconds gently blot dry and reinstall it in the Carriage The jet plate should not rest on the bottom of the ultrasonic cleaner Repeat the prime test If failure is still evident pull out the Cartridge and replace it with a new Cartridge and repeat the test Make sure that there is no misfiring using the new Cartridge If misfiring is observed contact ENCAD s Technical Support and Service department see Chapter 1 Section 3 0 13 The plotter has passed the PRIME test if misfiring is no longer observed using a second set of Cartridges 6 41 Calibration V Note During these tests check the overall functioning of the plotter Listen for any loud sounds from the Stepper Motor Assembly squeaking from the Roller Assemblies rubbing noises from the Drive Shaft or the Belt rubbing against the Pulleys or Stabilizer Bracket Also 5 watch the tensioning mechanism for any adverse movement such as the tension being too tight on the belt or rubbing squeaking or chirping noises check for Servo Motor noises or any visible Carriage vibration Reaojust the plotter if these sounds or conditions are present If the problem persists and cannot be corrected call ENCAD s Technical Support and Service department see Chapter 1 Section 3 0 6 42 CADJET 2 Calibration 10 0 XY Calibration CADJE
93. AND CLEAN CARTRIDGE REPEAT PRIME REFER TO CHAPTER 3 SECTION 6 2 CLEAN SERVICE STATION CLEAN CARTRIDGE AGAIN REPEAT PRIME REFER TO CHAPTER 3 SECTION 4 0 CLEAN CARRIAGE FLEX CABLE AND CARTRIDGE ELECTRICAL CONTACTS REPEAT PRIME REFER TO CHAPTER 3 SECTION 6 3 CAUSE 2 PERFORM Cartridge Failure Test Procedure IN SECTION 11 9 OR 11 10 BELOW REPLACE CARTRIDGE IF NECESSARY REPEAT PRIME REFER TO CHAPTER 3 SECTION 6 1 REPLACE CARRIAGE REPEAT PRIME REFER TO CHAPTER 5 SECTION 8 0 for REPLACE MPCB REPEAT PRIME REFER 15 CHAPTER 5 SECTION 4 3 for removal of the MPCB CALL ENCAD TECHNICAL SUPPORT see Chapter 1 Section 3 0 4 42 CADJET 2 Troubleshooting 11 7 1 Dried Up Cartridge If the Cartridge has dried up it will need to be replaced In order to prevent this from happening in the future there are two preventive maintenance procedures that should be done 1 Check for space between the Cartridge nozzle area and the seals of the Service Station If light is seen check the Seals for wear damage Replace the Service Station if the Seals are worn damaged See the removal and reinstallation procedures in Chapter 5 Section 7 0 of this manual Using a new Cartridge run the PRIME plot after installing the new Service Station You may need to repeat the PRIME two or three times before a satisfactory plot is obtained See Section 11 8 below for information about evaluating the PRIME plot If the Seals
94. All of the Stand Screws are included with the Floor Stand when it is ordered The MPCB has the Flash EPROM already mounted but it is not programmed CADJET 2 7 3 Replacement Parts List 2 2 D Size Unique Parts Numerical PART DESCRIPTION 209500 82 ANGLE TRAILING CABLE E nthe vincent iad ana ven EO ASSY LEGS AND BASKET DOB Ih BOX PLOTTER CADJET 2 POOL FB ARN AANA Aad CABLE TRAILING 2039092222 2 cot ku dus BELT RIBBED 2040073 Eod A Had HUM Rd HA EE TE pa pA REESE SLIDE SHAFT ASSY TOP COVER 204595 llic dit m ev a ribs ASSY STABILIZER BRACKET SERVICE 2049408 cei sowie PLATEN MACHINED 20491 T Dea a Oi Dios peo p tnm ventures ASSY LOWER DRIVE NOTE Note If you are ordering the Assy Top Cover the Stop Retracting P N 204246 and the Spring Compression P N 202010 are not included They must be ordered separately 7 4 CADJET 2 Replacement Parts List 2 3 E Size Unique Parts Numerical PART DESCRIPTION 7069250 p BELT 3 RIB CABLE TRAILING 203479 2 kunay aasan canteens BOX PLOTTER CADJET 2 205174 E E EE E E ASSY LEGS AND BASKET 203800 3 AA 1 E ul T ANG
95. CADJET 2 CADJET 2 Service Manual Copyright 1995 Inc rights reserved ENCAD is a registered trademark of ENCAD Inc Trademark application for CADJET 2 is pending HP GL HP GL 2 and HP RTL are registered trademarks of Hewlett Packard Company AutoCAD is a registered trademark of AutoDesk Inc Other trademarks and registered trademarks are the property of their respective owners No part of this manual may be copied or distributed transmitted transcribed stored in a retrieval system or translated in any human or computing language in any form or by any means electronic mechanical magnetic or otherwise or disclosed to a third party without the express written permission of ENCAD Inc 6059 Cornerstone Court West San Diego CA 92121 U S A FCC Statement U S A The United States Federal Communications Commission 47 CFR 15 105 and 15 27 has specified that the following notice be brought to the attention of the users of the CADJET 2 FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions
96. CKET SERVICE right bracket w bushing ASSY STEPPER MOTOR WASHER BOWED ASSY KEYPAD TOP ASSY SERVICE STATION CADJET 2 Appendix E Size Final Assembly Callouts continued ITEM PART DESCRIPTION 223 203476 ASSY COVER RIGHT 243 203533 ASSY COVER LEFT 263 204384 ASSY EXHAUST 283 204916 ASSY BRACKET DRIVE SHAFT left bracket w bushing 317 204449 LIT IMPORTANT NOTICE 318 205106 LABEL ID REAR CADJET 2 319 205107 LABEL LOGO CADJET 2 320 205110 INSERT MENU TREE 321 204367 7 ASSY COVER CADJET 2 322 202010 SPRING COMPRESSION 323 204246 STOP RETRACTING 378 N A ASSY Y ARM CADJET 2 Breakout of Major Components of ASSY Y ARM 204854 ASSY CARRIAGE 204007 2 SHAFT SLIDE CADJET 2 203637 2 ASSY PINCH ROLLER 204550 ASSY STABILIZER BRACKET SERVICE CADJET 2 203448 CABLE TRAILING CADJET 2 203265 ASSY SERVO MOTOR 428 203800 3 ANGLE TRAILING CABLE E CADJET 2 C 5 Appendix 521 ASSY ITEM COVER 319 ENCAD ITEM GO LOCATION OF LOC 3040 04 1 0 EFT lt 3 E 8 LOCATION OF REAR LD LABEL ITEM 31 ing Final Assembly Draw ize CADJET 2D S Figure Appendix C 1 C 6 CADJET 2 1
97. CURACY ASYNCHRONOUS BASIC BAUD BIT BI DIRECTIONAL BINARY BITMAP BYTE BUFFER BUS CAD CALIBRATION CADJET 2 American Standard Code for Information Interchange An information scheme used by computers to represent letters numbers and symbols The condition of being correct Data which is independent from a clock mechanism Beginners All Purpose Symbolic Instruction Code A common programmer s language for computer systems The rate of data transfer number of bits per second that data is transmitted or received The smallest piece of digital information that can be handled by a processor A unit of information equal to one binary decision Cartridges on the plotter fire ink on the media as the Carriage moves in either direction right to left and left to right The number system with a base of two used by the internal logic of all digital computers and controllers Itis a code that uses two distinct characters usually the numbers 1 and 0 A region of memory treated as a rectangular array of pixels A single group of 8 bits processed together in parallel Generally eight bits which can be arranged in groups to represent 256 unique characters The part of the plotters memory used for receiving and temporarily holding plot files Computer circuits used to transmit data from one unit to another on a printed circuit board Computer Aided Drafting A computer system or software designed to generat
98. Carriage Assembly Replace the Carriage Belt if it is frayed cracked worn or otherwise damaged 1 Use the tip of a Slotted screwdriver to release the tension on the end of the metal Belt Clip which goes under the plastic on the Carriage so that it slides out from under the plastic See Figure Chapter 5 21 2 Remove the Belt Clip The Carriage Belt can now be removed y BELT CLIP 0 CARRIAGE BELT CARRIAGE ASSEMBLY p M VIEW PRESS HERE CLIP Figure Chapter 5 21 Removing the Carriage Belt 5 48 CADJET 2 Disassembly Assembly 8 8 Installing the Carriage Belt on Carriage Assembly The placement of the Carriage Belt on the plastic grooves which are on the Carriage Assembly is important so that the belt does not rub on anything The belt should not be placed flush with the outer end of the plastic grooves It should be positioned as close to the Carriage PCB as possible while still being on the plastic grooves See Figure Chapter 5 22 1 The bumps on the belt where the ends of the belt are joined together to make the belt continuous should be positioned over the notches on the Carriage Assembly 2 Use the metal Belt Clip to secure the belt to the Carriage Assembly Make sure there is no gap between the Belt Clip and the Carriage Use the tip of a Slotted screwdriver to push the ends of the Belt Clip under the plastic on the Carriage Assembly
99. Decision Eoglc Tables n ee OD E SEVICE MARRE Service Menu Description 4 1 Service 4 1 1 Information Display Settings 4 1 2 Information Print Settings 4 2 Service Diagnostics 4 3 Service Calibration oic e Keypad MOSSadbS 7 1 7 2 DEVIDOPIOE 7 3 Insert Media Em M 7 4 Memory F l 7 5 RAM ORK 7 6 Checks mi 7 7 Plotter EmO ioeina a 7 8 t Initialization RS 422 RS 232 Error 0 00 02 RAM ETOP tasta kiasa bini 2 Table of Contents CHAPTER 4 TROUBLESHOOTING continued 11 0 Operation 4 25 11 1 Plotter Does Not Turn 0 4 25 11 2 Plotter Slow to Initialize cca 4 26 Tk Plotter Will NOUPIOE gt tbe e Sce or rp octo get recess 4 27
100. Do not loosen all three screws at the same time The sequence of adjustment must be followed as described below a loosen adjust and tighten the left screw b loosen adjust and tighten the center screw c loosen adjust and tighten the right screw 1 Move the gauge to the left position Loosen the left screw Moving the screw head up down will move the Stabilizer Bracket up down until it is at the required height Check the counter s display while adjusting Look at the Calibration Worksheet and find the shaft height at the left position Go to Table Chapter 6 1 above and find the Carriage height value associated with that shaft height Once the required height is selected and adjusted to tighten the screw gently 2 Move the gauge and park it in the center position Loosen the center screw select the height from the chart in Table Chapter 6 1 and adjust the center screw Tighten the screw gently 3 Move the gauge and park it in the right position Loosen the right screw select the height from the chart in Table Chapter 6 1 and adjust the right screw Tighten the screw gently 4 Tighten all screws and torque the three screws to 8 in lbs display When adjusting always allow for a change in the note Note 1 Tightening of the screws will change the reading on the height of up to 002 Do not adjust the screws out of sequence If you find that a screw has to be readjusted the adjusting procedure must be repeat
101. E 9 FOR D SIZE FIXED BLADE FIXED BLADE SPACERS 1 FEN D 5569 D 52 V GROOVE IN PLATEN OM LEFT END OF PLATEN Figure Chapter 5 30 Fixed Blade 5 72 CADJET 2 Disassembly Assembly 12 2 Reinstalling the Fixed Blade NOTE Note You will not need to perform this step if all the Fixed Blade Spacers remained in place during the removal of the Fixed Blade 1 See Figure Chapter 5 30 Place the Fixed Blade Spacers 2 13 for E Size and 9 for D Size and the Fixed Blade Spacer 1 into the groove in the Platen Be sure to keep all spacers away from the openings for the Upper Rollers 2 Place the Fixed Blade into the groove The right end of the Fixed Blade should be about 1 2 to the left of the edge of the Service Station Make sure that the angled ends of the Fixed Blade point towards the back of the Platen as shown Figure Chapter 5 30 to avoid damage to the Cutter 3 Install the Fixed Blade Clips 14 for E Size and 10 for D Size into the groove A Fixed Blade Clip should be placed opposite each Fixed Blade Spacer Make sure that the Fixed Blade Clips are seated all the way to the bottom of the groove Also make sure that the Fixed Blade is seated all the way to the bottom of the Fixed Blade Spacers 4 Secure the Fixed Blade and the Fixed Blade Spacers if any came out during the removal of the Fixed Blade to the Platen using th
102. E RIGHT 203477 2 ASSY SERVICE STATION atur E DURO eU 203233 ASSY SERVO MOTOR is ee LM IE 203265 ASSY STEPPER MOTOR BRACKET SERVICE right bracket w bushing 205350 ASSY STEPPER MOTOR SERVICE includes 205128 ASSY WINDOWS DRIVER DISK 2 204860 OABLEUKE VEND mtem en AR RAR E 205111 CABLE Ner xli on a 203977 ACTUATOR LEFT AND RIGHT sah i is Pra e tec ptt 203646 CASTER LOCKING 4000000 202513 P N will be changing CASTER NON LOCKING 202512 P N will be changing etcetera AST 203644 1 CORD LINE SJT GRAY SEI iet ederet kcal a 200353 GUTTER WHEEL teet te te e ce eda 203622 1 FOAM BLOCK ee teile III aiu EP ed 205079 FOAM BOTTOM 9 203480 1 FOAM BOTTOM RIGHT a db depu dU anch hue 203481 1 FOAM TOP LEFT tto ted 203788 1 FOAM TOP RIGHT oi oot a nakay aa ay o 203789 1 b FRAME TENSIONER 203343 1 KEYPAD BOTTOM tette tentent es 203440 1 CABEL LOGO CADJET 2 ed EE ERR 205107 LABEL SET identifies Kays xs roe Po e eus 204994 7 6 2 Replacement Parts List DESCRIPTION PART
103. FORE removing CAUTION it so that ink is not spilled See Chapter 3 Section 4 0 for the cleaning procedure NOTE Note The screw in the bottom of the Service Station Assembly must be in place to attract the magnet on the underside of the top of the Service Station Assembly 5 WORK BACK SIDE OUT 1 REMOVE THE THE SERVICE STATION 4 PULL UP SLIGHTLY C 6 PULL THIS END UP TO COMPLETE REMOVAL 5 PUSH IN AND PULL UP FRONT SIDE ENCODER STRIP DON T TOUCH lt 2 REMOVE RIGHT lt CAM ACTUATOR N CAM ACTU Figure Chapter 5 15 Service Station Assembly CADJET 2 5 29 Disassembly Assembly V 5 30 Move the Carriage Assembly to the center of the Platen Clean the top and bottom parts of the Service Station Assembly per the procedure in Chapter 3 Remove the top of the Service Station Assembly before removing the bottom of the Service Station Assembly Use a 1 Phillips screwdriver to remove the right Cam Actuator See Figure Chapter 5 15 As you remove the Service Station Bottom you may want to place a piece of paper or an index card underneath your screwdriver to avoid scratching the paint on the Platen Also be careful not to exert too much force in order to avoid breaking the Service Station Bottom The Service Station Bottom is held in place by two plastic tabs underneath the rim of the Service Station Bottom See Figure Chapter 5 15 Place the tip of
104. Failure Test Procedure This test procedure is for the Black Cartridge HPe 51640A Flex only If you need to test the Tri Color Cartridge see Section 11 9 above Do NOT touch the Cartridge Flex with your fingers Oils on 2 the skin can damage the circuit The failure rate on the Black Cartridge Flex is very low so it is not likely that you will need to perform this test If the Black Cartridge is not performing as you expect you should first try running the Prime plot several times to try to clear the jets If this does not solve the problem please refer to Table Chapter 4 5 Decision Logic Table DLT 5 in this chapter for cleaning procedures If you perform the cleaning procedures listed in the Table Chapter 4 5 and arrive at Action Number 6 PERFORM Cartridge Failure Test Procedure you will need to perform the procedures given in this section 4 47 Troubleshooting 4 48 11 10 1 Running the Cartridge Diagnostic Test You will need to run the plotters Cartridge Diagnostic Test to determine which if any of the jets are not firing To run the Cartridge Diagnostic Test 1 Turn on the plotter you do not need to have it connected to your computer in order to run this test If power is already on make sure the following menu is displayed MAIN MENU PRINT MODE Press the DOWN ARROW once The display will read MAIN MENU UTILITIES Press SELECT once The display will read CA
105. Frame Tensioner P N 203343 1 7 20 Keypad Bottom P N 203440 1 7 21 ON OFF Switch Power Entry Module P N 204599 7 21 Power Supply P N 204849 7 21 Roll Support P N 203868 1 7 22 Screws Stand P N 203485 7 22 Sideplat Left aia cai P N 204968 7 23 Sideplate Right P N 204973 7 23 Spring Compression ldler P N 203447 7 24 Spring Compression Top Cover P N 202010 7 24 Spring Roll Holder P N 203918 2 7 24 Stop Retracting P N 204246 7 25 Support Drive Shaft middle support P N 203556 2 7 25 Angle Trailing Cable P N 203800 32 7 26 Assy Legs and P N 205175 7 26 Assy Lower Drive P N 20491 7 31 7 27 Assy Stabilizer Bracket Service
106. GENERAL INFORMATION 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 Overview Technical Support media sizes and plot areas general product notes plotter features and specifications Line Length Accuracy and Skew information acronyms and abbreviations and glossary Cali ahaa tates 1 1 aa grs 1 2 2 1 Related Publications ti rr Ee c eie 1 2 2 2 Features of this Service 1 3 2 2 1 Subject Headings o e mace ae a ps 1 3 2 2 2 Figures and Tables 1 3 2 2 3 Manual Conventions 004 1 4 ENCAD Technical Support amp 1 5 Media Sizes and Plotting AATOaS oi iir E HER ERE e E RE RH REIS 1 6 General Product Notes ioi io Eb nr o oie dixo monii sue ach 1 9 Plotter CAMS 51 ta doi aite LM Ms 1 10 Plotter Specifications a ie det 1 13 Line Length Accuracy RENE MP 1 14 E 1 15 Acronyms and 1 17 pcr 1 18 CADJET 2 vii Table of Contents CHAPTER 2 THEORY OF OPERATION 1 0 2 0 3 0 viii Mechanical overview and electrical circuitry theory with block diagram visuals
107. H ROLLER ASSEMBLY MUST TOUCH Y AKM IN THE AREA SHOWN Figure Chapter 6 7 Correct Positioning of the Spring in the Upper Roller Support 6 32 CADJET 2 Calibration 8 3 Other Functional Requirements The paper skew has a tendency to increase as the size of paper increases B Size through E Size When adjusting the skew make sure that 1 the skew for B Size paper is as close to the low end of the range as possible and 2 minimum gap still remains between all Upper Roller Supports and the Y Arm The test for acceptable gap is that a piece of bond paper can be inserted through the gap without interference that is the gap must be at least the thickness of a piece of bond paper See Figure Chapter 6 8 Avoid adjusting the Upper Roller Supports so that they touch the Y Arm s cut outs THE MINIMUM ACCEPTABLE THE MINIMUM ACCEPTABLE T BETWEEN THESE TWO GAP BETWEEN THESE TWO POINTS EQUALS THE THICKNESS POINTS EQUALS THE THICKNESS OF A PIECE OF BOND PAPER OF A PIECE OF BOND PAPER Figure Chapter 6 8 Test for Minimum Acceptable Gap CADJET 2 6 33 Calibration 8 4 Adjustment of Upper Roller Supports NOTE Note Be sure to perform the adjustment according to the sequence given in Section 8 1 8 4 1 Visual Verification Make sure that the roller is centered in the Y Arm The gap between the roller and the Y Arm shoul
108. IN MENU PRINT MODE display You will then be able to scroll to the DIAGNOSTICS KEYPAD display If the SELECT key is not responding you will be able to scroll to the DIAGNOSTICS KEYPAD display to test the circuitry off the plotter and then turn it on again If it still does not respond follow the instructions in Step 2 a below 2 For LCD or LED keys f a particular key appears to be inoperative test that key for operation to the SERVICE DIAGNOSTICS menu see your Service Menu chart and press the DOWN ARROW to go to DIAGNOSTICS KEYPAD Each of the keys will beep when pressed to test circuitry If the key does not beep when pressed turn the plotter off and then turn it on again so that the plotter resets Try the DIAGNOSTICS KEYPAD test again 4 62 2 2 3 Troubleshooting a For the LCD keys If the key still does not beep remove the Keypad Top Assembly see Chapter 5 Section 6 1 for the procedure and press the inoperative key several times Check to see if the plastic portion of the key is pushing down the metal button on the Keypad PCB If necessary remove the three screws which hold the Keypad PCB to the Keypad Top and with the power on press the metal button on the Keypad PCB Check to see if the plotter responds If the plotter does not respond replace the Keypad PCB b For the LED keys If the key still does not beep remove the Right Cover Assembly s
109. INK SMEARING ACTIONS VERIFY BELT TENSION REPLACE SERVO MOTOR REPLACE OR SIMMS SOCKET CHECK INPUT POWER CONDITIONING USE ROLL FEED SOFTWARE DRIVER VERIFY DEAD BAND ADJUSTMEN VERIFY POSITION amp CONDITION OF SLIDER amp PATH VERIFY PRIME amp REPLACE CARTRIDGE AS R CALL ENCAD TECHNICAL SUPPORT see Chapter 1 Section 3 0 4 6 CADJET 2 Troubleshooting Table Chapter 4 4 Decision Logic Table Four DLT 4 WARNING OBSERVE ALL STANDARD STATIC AND SAFETY PRECAUTIONS BEGIN WITH CONDITIONS ASSUMPTIONS 1 RS422 232 ERROR STATUS 2 ON LINE SYSTEM CONNECTION CONDITIONS COLUMN NUMBERS VO ERROR 0 NO ERROR HAS OCCURRED 1 2 3 2 5 6 7 8 9 10 11 12 13 OUTPUT INSTRUCTION RECEIVED WHILE ANOTHER OUTPUT INSTRUCTION IS BEING EXECUTED THE FIRST IS EXECUTED WHILE THE NEXT INSTRUCTIONS ARE IGNORED CHECK FOR PROPER SYNTAX IN ESCAPE SEQUENCES TOO MANY PARAMETERS RECEIVED ADDITIONAL PARAMETERS AFTER THE CORRECT NUMBER ARE IGNORED CONFIRM MATCHING PARITY AND DATA BITS WRONG HANDSHAKE CHECK DIR NORM HARDWIRE INPUT BUFFER OVERFLOW THIS WILL RESULT IN THE LOSS OF DATA AND PROBABLY AN HP GL EMULATION ERROR RS422 232 DTR OR CTS TEST FAILURE OCCURS ONLY WITH A LOOP BACK CONNECTOR IN TEST CADJET 2 4 7 Troubleshooting 3 0 Service Menu A Service Menu has been built into the plotter firmware to aid in troubleshooting the plotter You should have received a cop
110. JET 2 Utilities Disk which is provided with the plotter The Utilities Disk may also be obtained from ENCAD s Technical Support and Service BBS see Chapter 1 Section 3 0 of this manual To download the Utilities Disk from the BBS follow the instructions given below under Downloading Files From the BBS This procedure is used to download the firmware if the plotter is brain dead i e the Flash EPROM is blank or corrupt e Printer Firmware Upgrade Procedure refer to Appendix B of this Service Manual The files for this procedure are included on the CADJET 2 Utilities Disk This procedure is used to download the firmware if the plotter does not have the current version of the firmware the Flash EPROM is not blank or corrupt e Line Quality Acceptance Standards ENCAD ships a Gold Standard plot with each plotter This is a Master Plot sample which can be used for comparison purposes when you are servicing a plotter Section 14 0 gives the instructions for performing the Line Quality Plot Computer Test The results of this test should be compared to the Gold Standard shipped with each plotter In order to perform this test you will need to download the following files from the BBS CJ2GS PLT for E Size plotters CJ2GSD PLT for D Size plotters 6 4 CADJET 2 Calibration 4 0 Downloading Files From the BBS See Chapter 1 Section 3 0 for the ENCAD Technical Support and Service BBS telephone numbers
111. LA GATE i CARTRIDGE ARRAY SHIFT 9 9 HEAD SIROBE CARRIAGE CARRIAGE CARTRIDGE 7 CONNECTOR FLEX ENCODER OPTICAL ENCODER SENSOR SZE SENSOR MICRO PROCESSOR Figure Chapter 2 7 Carriage Circuits The Carriage contains the optical encoder for horizontal position sensing a Paper Sensor and the logic and drive circuitry for firing the ink jets 2 18 CADJET 2 Theory of Operation 3 16 LEDs Beeper and Fan Five LEDs indicate the following conditions READY MEDIA OUT INK LOW MONOCHROME and COLOR MODE The beeper contains built in driver circuitry so that it beeps whenever power is applied to it The beeper alerts the user to error conditions in these categories The Fan provides suction on the platen bed and holds the paper flat during the plot process 3 17 Dot Firing Sequence The following sequence of events occurs for every strip printed 1 A buffer in RAM is filled with all the firing data for the whole strip 2 The DMA controller is initialized 3 INIT DMA is set in the gate array This causes the gate array to initiate the DMA transfer of the 24 bytes of firing data for the first position into the buffer RAM The last byte of data is the quadrature counter value at which to fire the jets 4 ENEQ is set in the gate array to enable the hard
112. LADE 1 IN 21 204599 ON OFF SWITCH ASSY POWER ENTRY MODULE 23 204929 31 ASSY CABLE OUTPUT D 26 204959 CLAMP CABLE 1 4 28 203477 2 ASSY ROLLGUIDE RIGHT 29 204969 ASSY ROLLGUIDE LEFT 30 203442 SCREW 8 32 X 3 4 SEM 32 204386 H SCREW 8 32 X 1 2 PPH 33 400011 H KEPNUT 8 32 35 203658 1 BLOCK FILLER 36 204968 SIDEPLATE LEFT 38 203742 PLUG PLATEN 39 205329 ASSY PCB MAIN 40 205109 LABEL GROUND 41 205111 CABLE KEYPAD 42 204994 LABEL SET 47 203918 2 SPRING ROLL HOLDER 48 205079 FOAM BLOCK 79 204917 31 ASSY LOWER DRIVE D 80 202518 H WASHER 380 ID X 625 82 203831 RING RETAINING C TYPE 84 205350 ASSY STEPPER MOTOR BRACKET SERVICE right bracket w bushing 86 205128 ASSY STEPPER MOTOR 88 204920 WASHER BOWED 103 203488 ASSY KEYPAD TOP 128 203233 ASSY SERVICE STATION C 2 CADJET 2 Appendix D Size Final Assembly Callouts continued ITEM PART DESCRIPTION 223 203476 ASSY COVER RIGHT 243 203533 ASSY COVER LEFT 263 204384 ASSY EXHAUST 283 204916 ASSY BRACKET DRIVE SHAFT left bracket w bushing 317 204449 LIT IMPORTANT NOTICE 318 204828 LABEL ID REAR CADJET 2 D 319 205107 LABEL LOGO CADJET 2 320 205110 INSERT MENU TREE 321 204367 5 ASSY COVER CADJET 2 D 322 202010 SPRING COMPRESSION 323 204246 STOP RETRACTING 378 N A ASSY Y ARM CADJET 2 D Breakout of Major Components of ASSY Y ARM 204854 ASSY CARRIAGE 204007 31 SHAFT SLIDE CADJET 2 D 203637 2 AS
113. LE TRAILING CABLE 204007 2 SLIDE SHAFT 2045677 u ASSY TOP COVER POA SOO ua RC ASSY STABILIZER BRACKET SERVICE PLATEN MACHINED CADJET 2 20491751 Macht euet A un odes ASSY LOWER DRIVE NOTE Note If you are ordering the Assy Top Cover the Stop Retracting P N 204246 and the Spring Compression P N 202010 are not included They must be ordered separately CADJET 2 7 5 Replacement Parts List 3 0 Alphabetical Listing 3 1 Parts Used in both D Size and E Size Alphabetical DESCRIPTION PART ASSY ADI DRIVER DISK 2 204859 ASSY BRACKET DRIVE SHAFT left bracket 204916 ASSY CARRIAGE conn mt edo tamtn to inert ecd 204854 ASSY COVER LEFT decet ento eate etd nta endet etus 203533 ASSY COVER RIGHT M OL IRL odas 203476 ASSY CUTTER RE C EX 203614 ASSY DOS UTILITY DISK CADUET 2 tnc rs rt edi 204861 ASSY EXBHALIST Ap EE E 204384 ASSV RANGE amsa aap EE D UA akana Tua 203443 4 ASSY HARDWARE KIT 2 SERVICE ees 205188 AMO au a TA 203345 1 KEYPAD TOP concen DE 203488 CM 205329 ASSY ti n roe ete 203637 2 ASSY ROLLGUIDE LEFT eene nnne 204969 ASSY ROLLGUID
114. LEFT S03556 2 22 SUPPORT DRIVE SHAFT middle support Ate nt aia oic nio GA Am ac bn ASSY CUTTER O00622 NNNM CUTTER WHEEL MERERETUR ASSY PINCH ROLLER 2036442121 eta CLIP BELT cus C ADMIRE CAM ACTUATOR LEFT AND RIGHT D03789 e ni GM ONAL LA A P LA one FOAM TOP LEFT 200789515 ecc Ses ee orien FOAM TOP RIGHT 5055609 SI MT ROLL SUPPORT Pitt nis seen ee REPE PNE SPRING ROLL HOLDER GOTT edie heats eshte da dees secon pect CABLE RS422 O04979 n nt SIDEPLATE RIGHT 2049069222 SIDEPLATE LEFT 204246 STOP RETRACTING ASSY EXHAUST i o A eC E ASSY MPCB 204B4O aS D tate DL POWER SUPPLY 204599 MEE ON OFF SWITCH POWER ENTRY MODULE 7 2 2 Replacement Parts List PART DESCRIPTION 204854 MNT TENOR ASSY CARRIAGE 2059 d esae RA tee pe RR AER tectae teret MANUAL USER 204859 akan aa ale ASSY ADI DRIVER DISK CADJET 2 204860 ASSY WINDOWS DRIVER DISK CADJET 2 2048612 c M ASSY DOS UTILITY DISK CADJET 2 204916 ASSY BRACKET DRIVE SHAFT left bracke
115. LIBRATION Press the DOWN ARROW once a If the display reads UTILITIES OPTIONS ADVANCED press the UP ARROW twice The display will read UTILITIES SERVICE Go to Step 5 CADJET 2 Troubleshooting b If the display reads UTILITIES OPTIONS EASY press SELECT once press the UP ARROW once and press UTILITIES OPTIONS ADVANCED Press the UP ARROW twice The display will read QD O 5 5 D o lt o 5 5 x D UTILITIES SERVICE Go to Step 5 5 Press SELECT once The display will read SERVICE INFORMATION 6 Press the DOWN ARROW once The display will read SERVICE DIAGNOSTICS 7 Press SELECT once and the DOWN ARROW three times The display will read DIAGNOSTICS CARTRIDGE 8 Press SELECT once unit will now plot the Cartridge Diagnostics Test Press MENU three times and the DOWN ARROW once to return to the MAIN MENU PRINT MODE display Advance the media and press the CUT key To interpret this plot see Section 11 10 2 below CADJET 2 4 49 Troubleshooting 11 10 2 Interpreting the Cartridge Diagnostic Test This test plot has a Black band about 1 4 high and 4 sets of Yellow Magenta and Cyan bands Above the colored bands will appear two rows of numbers and a Black diagonal line which is divided into 104 sections The two row of numbers the Black diagonal line and its first ten sections are illustrated in F
116. MM 5 19 4 5 2 Extra Memory SIMM 5 21 4 6 Reinstalling the Right Cover Assembly 5 22 5 0 Servo NOOK ar UAM ae n Aoc teu oie 5 23 5 1 Removing the Servo Motor dae teet rte era einer 5 23 5 2 Replacing the Servo Moh ice e Er EE ER RUFI REUS 5 26 6 0 Display ASSOIbly ooa eet int cael 5 27 6 1 Removing the Display 5 27 6 2 Reinstalling the Display Assembly rr ra rr re Renee tnis 5 28 7 0 Service Station 5 29 7 1 Removing the Service Station Assembly 5 29 7 2 Reinstalling the Service Station 5 31 8 0 Left Cover Assembly Left Side Plate Carriage Assembly Trailing Cable and Garriage 5 32 8 1 Removing the Left Cover Assembly and Left Side Plate 5 32 8 2 Removing the Carriage Assembly esses 5 34 CADJET 2 5 87 Disassembly Assembly 8 3 Reinstalling the Carriage 5 37 8 4 Reinstalling the Left Side Plate and Left Cover 5 42 8 5 Remov
117. PE 2 04 ENCODER STRIP4 DOUBLE SIDED 3M STABILIZER BRACKET Figure Chapter 7 56 Assy Stabilizer Bracket Service P N 204550 JOT INCLUDED N 204246 STOP RETRACTING NOT INCLUDED Figure Chapter 7 57 2 Assy Top Cover P N 204367 7 CADJET 2 7 31 Replacement Parts List 7 32 Figure Chapter 7 59 Cable Trailing P N 203448 Figure Chapter 7 60 Platen Machined P N 204847 CADJET 2 V CADJET 2 Replacement Parts List 427 Figure Chapter 7 61 Slide Shaft P N 204007 2 If you are ordering the Assy Top Cover either P N 204367 5 or P N 204367 7 see Sections 2 2 or 2 3 the Stop Retracting P N 204246 and the Spring Compression P N 202010 are not included They must be ordered separately These parts make up the Idler Service Assembly If the whole assembly is being replaced you may order P N 203940 Assy ldler Service rather than ordering the individual pieces These parts make up the entire Display Keypad P N 203488 includes the Keypad PCB the Cover and the Keys it does not include the Keypad Cable or the Keypad Label If the Keypad Cable P N 205111 or the Keypad Label included in P N 204994 they must be ordered addition to P N 203488 The 8 Stand Screws P N 203485 are not included in the Assy CADJET 2 Hardware Kit P N 205188 Also not in
118. PLAY 2 17 CARRIAGE CIRCUITS eria 2 18 2 21 Chapter 3 MAINTENANCE 1 0 Introduction This chapter contains general maintenance and cleaning instructions for the CADJET 2 plotter Refer to Chapter 4 for troubleshooting information Always disconnect the power cord and the interface cables before cleaning the plotter An electrical shock hazard may result if these procedures are not followed Never allow liquids to come in contact with the plotter s electrical circuitry Failure to follow this procedure may result in an electrical shock hazard and damage to the plotter CADJET 2 3 1 Maintenance 2 0 External Cleaning Do not use abrasive cleansers of any sort on any area of the CAUTION plotter Damage to the surface texture may result Clean the exterior surface of the plotter with a soft damp cloth For more persistent stains a small amount of liquid cleaner may be used Cleaning intervals are determined by the environment in which the plotter is used 3 2 2 Maintenance 3 0 Slide Shaft Maintenance Lubrication should not be used on the Slide Shaft It may damage the Carriage Assembly the Servo Motor and or the Carriage Belt USE OF LUBRICATION WILL VOID THE WARRANTY An accumulation of dirt or other contamination on the Slide Shaft may result in excessive drag on the Carriage which will affect the plot quality It is
119. Printer Firmware Upgrade see Appendix B of this service manual 9 The files CJ2GS PLT and CJ2GSD PLT for the Line Quality Acceptance Standards should be saved for use in Section 14 0 Line Quality Plot Computer Test 6 6 2 Calibration 5 0 Numbering Sequence Upper Roller Supports NOTE Note When performing the adjustments be aware of the numbering sequence of the Upper Roller Supports as shown in Figure Chapter 6 1 Figure Chapter 6 1 Upper Roller Supports Numbering Sequence CADJET 2 6 7 Calibration 6 0 Adjustments Prior to Calibration WARNING Unplug the plotter from the power supply For static control you must be grounded to a static station by a wrist strap This is important whenever you are removing or installing the Carriage or the MPCB The procedures given in Sections 6 1 and 6 2 are for use with the MITUTOYO system A new dial micrometer adjustment gauge will be available shortly to replace the MITUTOYO system The following steps must be performed after unplugging the plotter 1 Power up the Digital Carriage Height Measurement System per instructions in the manufacturer s manual MITUTOYO User s Manual 2 Wipe clean the Encoder Strip s top surface no cleaning fluid See Chapter3 Section 5 0 of this Service Manual for maintenance procedures for the Encoder Strip 3 Wipe clean the Slide Shaft with a lint free cloth Scot
120. RIGE14 CARIGE13 CARIGE15 CARIGE14 CARIGE16 CARIGE15 CARIGE16 0 1 2 16 20 NCAD Incorported C59 lt CARRSTAT 0 001uF itle Enhanced Main Board IO2 sch Bize Document Number B 205325 Date Monday November 04 2002 Sheet 2 LEFT A lt lt RIGHT A lt 010 15 lt a m lt RESET 74 273 LEFT B lt lt RIGHT B lt 74HCT273 R106 UNUSED 2 49K 1 R104 4 99K 1 5VO MC34074 U38A 4 99K 1 116 2 49 2 49K 1 R122 4 99K 1 5VO MC34074 U38D 4 99K 1 MC34074 o T278 T TOO LOW 0 001uF MC34074 o T279 lt LOW B 5VO 0 001uF NCAD Incorporated itle Enhanced Main Board STEPPER sch Bize Document Number B 205325 Date Monday November 04 2002 Sheet 2 PAPER SENSOR vec 24V R48 R50 2C1 een 620 47 TEE e
121. RONT OF THE STABILIZER lt ET SO THAT THE ROLLER END OES THROUGH THE OPENING IN THE OF THE Y BRACKET 2 0 70 SLIDE SHAFT GY 55 T gt C m OPENING IN Y BRACKET Figure Chapter 5 34 Inserting New Upper Roller Supports CADJET 2 5 83 Disassembly Assembly 2 Push forward very firmly on the back of the Upper Roller Support until the back of it clears the front of the Stabilizer Bracket and snaps into place so that the entire Upper Roller Support is down inside the Y Bracket 3 Grasping the roller between your fingers move the Upper Roller Support into place Make sure the point on top back of the Upper Roller Support is in its hole in the Y Bracket See Figure Chapter 5285 THIS Figure Chapter 5 35 Positioning Upper Roller Supports 5 84 CADJET 2 Disassembly Assembly 4 Keep pressure on the front of the Upper Roller Support while putting in the screws Make sure the Upper Roller Support is centered in its opening Tighten the screws until snug no more than 3 0 In Lbs 0 5 if using a torque screwdriver MAKE SURE YOU ARE TIGHTENING THE CORRECT SCREWS AND NOT THE ONES WHICH HOLD THE STABILIZER BRACKET help center the Upper Roller Support we suggest you Push the front of the Upper Roller Support towards the right side o
122. S CTS DSR s GND 1 DCD 4 DTR 9 Figure Chapter 7 20 Cable RS422 Mini DIN8 P N 203977 Figure Chapter 7 22 Caster Locking Twin P N 202513 P N will be changing CADJET 2 7 17 Replacement Parts List Figure Chapter 7 23 Caster Non Locking Twin P N 202512 P N will be changing 7 18 CADJET 2 Replacement Parts List Figure Chapter 7 25 Cutter Wheel P N 203622 1 CADJET 2 7 19 Replacement Parts List Figure Chapter 7 28 Foam Bottom Right P N 203481 1 Figure Chapter 7 29 Foam Top Left P N 203788 1 Figure Chapter 7 30 Foam Top Right P N 203789 1 7 20 CADJET 2 Replacement Parts List Figure Chapter 7 31 Frame Tensioner P N 203343 1 Figure Chapter 7 32 Keypad Bottom P N 203440 1 YY avl Figure Chapter 7 33 ON OFF Switch Power Entry Module P N 204599 CADJET 2 7 21 Replacement Parts List Figure Chapter 7 34 Power Supply P N 204849 Figure Chapter 7 35 Figure Chapter 7 36 Screws Stand P N 203485 NOTE There are also four long Stand Screws which are 1 4 x 20 x 2 5 The P N for them has not yet been determined All of the St
123. SEMBLY continued 13 0 Cutter Wheel 5 72 13 1 Removing the Cutter 5 72 13 2 Replacement of Cutter 5 74 14 0 Upper Roller SUP DONS 5 75 14 1 Removing the Upper Roller Supports 5 76 14 2 Installing the Upper Roller Supports 5 81 CADJET 2 XV Table of Contents CHAPTER6 CALIBRATION 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 xvi Procedures to mechanically and electrically align the plotter following repairs or when plotter performance has been affected 140666 aa 6 1 Required Supplies and Tools o e ae orbe i m dieat 6 2 Required Documentation and Files 6 4 Downloading Files From the 5 22 6 5 Numbering Sequence of Upper Roller 6 7 Adjustments Prior to Calibration n 6 8 6 1 Slide Shaft Profile Adjustmentl 6 9 6 2 Cartridge Head Height Adjustment 6 12 6 2 1 Gauge Setup 6 12 6 2 2 Cartridge Head Height Adjusting Procedure
124. SIDE VIEW Figure Chapter 7 3 Assy Cover Left P N 203533 ITEM QTY PART NUMBER DESCRIPTION RAME CUTTER 2 COVER CUTTER 3 DELTA LINK CUTTER 4 LOWER LINK CUTTER 5 JATOR LINK CUTTER 6 2 ING PIVOT CUTTER 7 CUTTER WHEEL 8 CUTTER TOGGLE p 9 4 2 X 7 16 PPH CADJET 2 Figure Chapter 7 5 Assy Cutter P N 203614 7 11 Replacement Parts List EN gc cr N EN 1 pe 9 A Figure Chapter 7 7 Assy Fan P N 203443 NOTE Note 1 See Chapter 5 Figure 5 1 for the contents of the Hardware Kit 2 The Hardware Kit does not include the stand screws See Figure Chapter 7 36 P N 203485 Figure Chapter 7 8 Assy Hardware Kit CADJET 2 Service P N 205188 Figure Chapter 7 9 Assy Idler P N 203345 1 7 12 CADJET 2 Replacement Parts List ax BOTTOM VIEW OF DISPLAY ICE ASSY Figure Chapter 7 10 Assy Keypad Top P N 203488
125. SY PINCH ROLLER 204551 ASSY STABILIZER BRACKET SERVICE CADJET 2 D 203778 CABLE TRAILING CADJET 2 D 203265 ASSY SERVO MOTOR 428 203800 32 ANGLE TRAILING CABLE D CADJET 2 C 3 Appendix E Size Final Assembly Callouts ITEM PART 4 400010 5 204847 6 204973 7 200172 8 203556 2 9 201013 10 203440 1 12 203443 13 203433 15 201042 16 203411 2 17 203828 2 18 203423 19 203828 1 21 204599 23 204929 1 26 204959 28 203477 2 29 204969 30 203442 32 204386 33 400011 35 203658 1 36 204968 38 203742 39 205329 40 205109 41 205111 42 204994 47 203918 2 48 205079 79 204917 1 80 202518 82 203831 84 205350 86 205128 88 204920 103 203488 128 203233 54 DESCRIPTION H KEPNUT 6 32 PLATEN MACHINED CADJET 2 SIDEPLATE RIGHT H LOCTITE BLACK MAX SUPPORT DRIVE SHAFT H SCREW 6 32 X 3 8 PFH BLK KEYPAD BOTTOM ASSY FAN SCREW 10 X 3 4 PFH ZN H SCREW 6 32 X 1 2 PPH BLADE FIXED E SPACER FIXED BLADE 2 IN CLIP FIXED BLADE SPACER FIXED BLADE 1 IN ON OFF SWITCH ASSY POWER ENTRY MODULE ASSY CABLE OUTPUT E CLAMP CABLE 1 4 ASSY ROLLGUIDE RIGHT ASSY ROLLGUIDE LEFT SCREW 8 32 X 3 4 SEM H SCREW 8 32 X 1 2 PPH H KEPNUT 8 32 BLOCK FILLER SIDEPLATE LEFT PLUG PLATEN ASSY PCB MAIN LABEL GROUND CABLE KEYPAD LABEL SET SPRING ROLL HOLDER FOAM BLOCK ASSY LOWER DRIVE E H WASHER 380 ID X 625 RING RETAINING C TYPE ASSY STEPPER MOTOR BRA
126. SY TOGETHER BE TLCS iat SEE FIGURE 5 31 ATTACHES STABILIZER P N 20454 BRACKET Y ARM SCREW 6 39 X 5 16 SOC d ASSEMBLY SEE FIGURE 5 23 THIS KIT ALSO ONAL HARDWARE NOT SHOWN HERE WHICH IS USED PRIMARILY IN SUBASSEMBLIES USE BY INTERNATIONAL SERVICE CENTERS Figure Chapter 5 1 CADJET 2 Hardware Kit Assembly CADJET 2 5 5 Disassembly Assembly 6 SPECIAL PHILLIPS BIT TORQUE SCREWDRIVER de PHILLIPS 2 STUB PHILLIPS CREWDRIVER SCREWDRIVER E p I E ee Ss a DT SCREWDRIVER 7 SCREWDRIVER Y 11 32 MAGNETIZED NUTDRIVER 2 16 amp 7 64 NUTDRIVER ALSO NEEDED 425 UNS 1 4 OPEN END 1 47 OPEN B SN lt 3 NY U3 O ERS KNIFE ESD WRIST STRAP REAMER SCRIBER Figure Chapter 5 2 CADJET 2Final Assembly Tools 5 6 CADJET 2 Disassembly Assembly If you need to ship the plotter to ENCAD for servicing please observe all the instructions given below You must contact ENCAD s Technical Support and Service Department prior to shipping the plotter See Chapter 1 Section 3 0 V 3 1 CADJET 2
127. Section 14 0 of this manual CADJET 2 CADJET 2 Troubleshooting 11 5 4 Loaded Media Not Detected Media Size Not Detected or Plotter Has Incorrect Plot Area If the plotter doesn t detect that media is loaded doesn t sense the media size or has an incorrect plot area there are five possible causes a In some cases the CADJET 2 will not sense or correctly size certain media whether roll feed or sheet media If this happens use the Manual Media Loading feature in the Advanced menus Refer to Chapter2 of the CADJET2 Users Guide for the procedure The optical sensor circuit Paper Sensor may be defective or a connector may be loose Go to the SERVICE DIAGNOSTICS Menu and run DIAGNOSTICS PAPER SENSOR You will need to replace the Carriage Assembly if the Paper Sensor is not working properly Refer to the Disassembly Assembly procedures Chapter 5 Section 8 0 The Slide Shaft may be set incorrectly Check the alignment of the Carriage Refer to Chapter 6 Sections 6 0 6 1 and 6 2 of this manual for the Cartridge Head Height The Paper Sensor voltage may be set incorrectly See Chapter 6 Section 6 5 Adjustment of the Potentiometer for the testing and correction procedures The Trailing Cable may be defective See Chapter 5 Sections 8 5 and 8 6 for the removal and installation procedures 4 37 Troubleshooting 4 38 11 5 5 Keypad Display Shows LOAD MEDIA Message When Rollfeed Media is Loaded
128. Section 4 3 of this manual for the removal and replacement procedures for the MPCB 4 26 CADJET 2 Troubleshooting 11 3 Plotter Will Not Plot Do not press the Cartridge downward too hard This could damage the Cartridge Covers When installing the Cartridges lower them straight down into the Cartridge Covers Tilting the Cartridges at an angle 2 may cause damage to the Carriage Flex Cable Make sure the ink cartridges are properly seated The most common cause of plot failure is that the ink cartridges are not fully seated in the Cartridge Covers The copper area on the Cartridges must be in contact with the flex cables at the back of the Carriage Assembly Pull the levers downward to open the Cartridge Covers and remove the Cartridges When reinstalling them lower them straight down into the Cartridge Covers and gently push down and forward so that the Cartridges slide forward slightly Push the levers up until they stop do not use excessive force Check for a loose interface Trailing Cable at the Carriage Assembly or at the Main PCB See Chapter 5 Section 8 6 for correct installation procedures Make sure the system is properly initialized See Section 8 0 in this chapter You may need to perform the interface test described in Section 11 3 1 of this chapter 4 27 Troubleshooting 4 28 Verify communication between the plotter and the computer by transmitting the following BASIC program to the pl
129. T DIAGNOSTICS CARTRIDGE DIAGNOSTICS CARRIAGE VIBRATE 2 Service Diagnostics This level contains the following firmware tests to detect and isolate plotter malfunctions e Paper Sensor e LED Serial Port e ROM Parallel Port e RAM e Cartridge e Speaker e Carriage Vibration e Servo Motor e Color Test e Paper Motor e Key Pad e Fan e LCD This option tests the Paper Sensor and reports the available plotting area in inches and millimeters This option tests the serial port and reports any errors You must have the Loopback plug in place to perform this test This option tests the parallel port and reports any errors You must have the Loopback plug in place to perform this test This option tests the Cartridges by printing a test pattern PRIME This option tests the Carriage vibration by printing a test pattern which consists of five sets of three parallel lines CADJET 2 DIAGNOSTICS COLOR TEST XX DIAGNOSTICS DIAGNOSTICS DIAGNOSTICS DIAGNOSTICS DIAGNOSTICS DIAGNOSTICS DIAGNOSTICS D 2 5 lt gt E x gt fm 2 a gt v 2 Troubleshooting Four 1 bands of each color in various saturations can be printed This allows you to try different percentages of ink with different media and tests for the accuracy of the saturation level This test is also useful in determining whether the Carriage height is
130. T 2 This procedure allows you to calibrate the X Axis also referred to as the Paper Axis or Vertical Axis and the Y Axis also referred to as the Carriage Axis or Horizontal Axis The XY Calibration values are only used when the USE XY CALIBRATION option is set to ON When you set the XY Calibration values all subsequent images are plotted using the new values until you manually reset the calibration XY calibration should not be used for merged vector raster images 6 43 Calibration 10 1 Calibrating the Y Axis Carriage Axis or Horizontal Axis Calibration 1 Load a sheet of D Size paper 24 side against the rollers Press DOWN ARROW The display will read MAIN MENU UTILITIES 2 Press SELECT The display will read CALIBRATION 3 Press SELECT The display will read CALIBRATION CARTRIDGE 4 Press DOWN ARROW The display will read CALIBRATION USE XY CALIB NO 5 Press SELECT DOWN ARROW and SELECT The display will read CALIBRATION USE XY CALIB YES 6 Press DOWN ARROW The display will read CALIBRATION XY ENGLISH 6 44 CADJET 2 Calibration 7 Press DOWN ARROW The display will read CALIBRATION PAPER AXIS 8 Press DOWN ARROW The display will read CALIBRATION CARRIAGE AXIS 9 Press SELECT The plotter will draw a horizontal line that it expects to be 21 00 0 05 long The display will read CARRIAGE AXIS WIDTH 21 00 10 Press FEED MEDIA and DOWN ARROW to unload the
131. T CENTER RIGHT ee NEC SHAFT HEIGHT LEFT ACTUAL RIGHT SUM DIVIDED 2 2 AFTER CARTRIDGE HEIGHT ADJUSTMENT LEFT CENTER RIGHT NOTE ALL VALUES MUST BE BETWEEN 050 AND 070 DEADBAND VALUES BLACK SLOW DEADBAND VALUE DEADBAND FAST VALUE TRI COLOR SLOW DEADBAND VALUE Figure Chapter 6 16 CADJET 2 Calibration Worksheet 6 62 2 Calibration Chapter 6 CALIBRATION 6 1 MEC ee 6 1 2 0 Required Supplies and 0 0 2 6 2 3 0 Required Documentation and 6 4 4 0 Downloading Files From the 5 6 5 5 0 Numbering Sequence of Upper Roller Supports 6 7 6 0 Adjustments Prior to GallDrationi oos 6 8 6 1 Slide Shaft Profile Adjustment 6 9 6 2 Cartridge Head Height Adjustment 6 12 6 2 1 Gauge Setup ProCOQUfB uua ar 6 12 6 2 2 Cartridge Head Height Adjusting Procedure 6 17 6 2 3 Verify Head Height Values rino conor e atin 6 18 6 3 Encoder Strip Location Visual 22 2 6 19 6 4 Idler Pulley and Belt Position Check 6 20 6 5 Power Up ROM Verification
132. T WILL ALSO NEED BE BENT SLIGHTLY FOR REMOVAL Figure Chapter 5 32 Upper Roller Support Normal and Bent for Removal CADJET 2 5 79 Disassembly Assembly PULL THE BACK END ER SUPPDR UPPER ROL 6 THE BAC F THE SL AND THE FRONT OF T MAKE SURE NOT CATC BRACKET END DOES EDGE OF T oT UP BETWEEN DE SHAFT Re TRAILIN 5 80 G CABLE After the Upper Roller Support is bent as much as possible replace the Flat Stock with the piece of Translite media to protect the Lower Roller Push the Upper Roller Support towards the back of the unit and grasp the lower tab of it with the Needlenose Pliers Guide the lower tab of the Upper Roller Support up past the front of the Stabilizer Bracket See Figure Chapter 5 33 Make sure the Upper Roller Support does not catch on the front edge of the Trailing Cable and that it does not damage the Slide Shaft lt STABILIZER BRACKET F THE THAT THE BACK ON THE FRONT Y BRACKET PENING Figure Chapter 5 33 Removing the Old Upper Roller Support CADJET 2 CADJET 2 7 Disassembly Assembly If the Upper Roller Support does not come out easily repeat Step 5 again to put more of a bend in the Upper Roller Support and then try to remove it If the Upper Roller Support still does not come out easily you may find it ne
133. Upper and Lower Rollers by using the plotter s FEED MEDIA key and the UP or DOWN ARROWS on the Display Keypad The cloth could become jammed in the plotter and cause severe damage ALWAYS disconnect the power cord and manually turn the 96 Teeth Gear on the Lower Drive Assembly In order to prevent erratic media movement during plotting it is necessary to periodically clean the Upper and Lower Rollers To clean the Upper and Lower Rollers 1 Park the Carriage Assembly in the Service Station 2 Disconnect the power cord from the plotter 3 Raise the plotter top cover 4 Manually turn the 96 Teeth Gear on the Lower Drive Assembly the gear is near the Service Station as you hold a lint free cloth that has been moistened with distilled water against the rollers Do not allow the cloth to slip between the Upper and Lower Rollers CADJET 2 3 13 Maintenance Chapter 3 MAINTENANCE 3 1 aus y u en 3 1 2 0 External nans 3 2 3 0 Slide Shaft Maintenance 44440440444 3 3 4 0 Service Station 0800 3 5 5 0 Encoder Strip Maintenance 2 eo ne ptt 3 6 6 0 Ink Cartridge Maintenance 3 7 6 1 Initial Installation of 0 3 7 6 2 Cleaning Gariridg6sSu e o b t a e be abeat 3 9 6 3 O
134. WERI u PQ2 12 1V POWER2 lt gt 1 ng POWER4 620 47 lt CHAD S HEADER16 aca PSEL8 T a 58 f0 N 2907A POWERS TRICOLOR CARTRIDGE U3E POWERS POWERS 7406 E 1 7 HAO 4 2 N HEADER 16 06 U4A pas LM2576T AD L1 7406 104 CARTRIDGE 1 2 m b 12 1V 24V vo Bae ea cls m 10000F AS S D1 R5 7T R11 R12 R13 R14 80 22k 4 MUR410 10K 1000uF 7406 4 7K 4 7K 4 7K 4 7K 1 NZ 80 25V 1 7 2 5 Encad Inc CHAO _ 181 7406 1 CHA1 181 p059 Cornerstone Court R16 181 Ban Diego CA 92121 1 13K 167 3 1 CHA3 1B1 1 U4B SCH CADJET CARRIAGE BOARD 7406 Bize Document Number 204937 D Date Thursday November 09 2000 Bheet 1 of 2 8 7 6 5 4 4 3 2 1 8 7 6 5 3 2 1 24 24V 0 1uF gt 1 24 7 ha SFH309F usa LM324 a i 1 BRIGHTNESS 241 R31 100K 2 4 Ua LM324 U8B 3 PEAK 13 9 1 R20 1 5 LM324 1 1 10K 7 1 12 6 AS 09 gt 2 22uF R32 2 T Hs BAV99 35V 200K HEADER 4 R19
135. acement requires the calibration of the plotter Note 1 The procedures in this chapter should be performed in the order in which they are presented For your convenience in recording the readings during procedures in this chapter photocopy the CADJET2 Calibration Worksheet Figure Chapter 6 16 at the end of this chapter In order to prevent possible damage to the Cutter it is extremely important that you always verify and if necessary perform the Slide Shaft Profile Adjustment Section 6 1 and the Cartridge Head Height Adjustment Section 6 2 prior to downloading firmware or performing any other function which will activate the Cutter If the adjustments are incorrect and the Cutter is activated the Cutter will be damaged by contact with the Platen s Fixed Blade If adjustments are necessary begin with Section 6 0 Adjustments Prior to Calibration Whenever you move the Carriage with the Height Gauge installed lift up the gauge tip to prevent damage to the gauge 6 1 Calibration 2 0 Required Supplies and Tools e Media Architectural 4 mil 24 LBS opaque 36 x 48 D 36 x 24 and B 11 x 17 sizes U S A 110V power cord P N 200353 e Cartridge Black 104 JET P N 203280 e Cartridge Tri Color P N 203115 e 36 long precision ruler e 1 4 and box end wrench C A L e Static Station with wrist strap e Phillips screwdriver 1 amp 0 e Torque screwdriver pre set a
136. ad Cable connector at the J1 location Use the reamer to pull forward on the connector lock and remove the flex cable from the connector Disconnect the Trailing Cable connector at the JP4 location Use the thumb and forefinger to pull forward on the connector lock and remove the Trailing Cable from the connector Disconnect the Servo Motor connector Red and Blue wires at the J6 location Grasp the Servo Motor connector with the thumb and forefinger and pull straight out Disconnect the Fan connector Red and Black wires at the J5 location Grasp the Fan connector with the thumb and forefinger and pull straight out Disconnect the Stepper Motor connector at the JP5 location Grasp the Stepper Motor connector with the thumb and forefinger and pull straight out Disconnect the Power Supply connector at the JP1 location Grasp the Power Supply connector with the thumb and forefinger 5 13 Disassembly Assembly and pull straight out At this point all 6 connectors should be disconnected 5 14 CADJET 2 Disassembly Assembly ATN L WAT 1 PRIMI ARTRIDGI L LOAD hag n pay par cur ME ED CHANBE CARTRIDGE T o 4 ol cel 5 fes s5 m Raz SIMM_1
137. age to the plotter we recommend that you have someone help you turn the plotter over to place it in the shipping box 9 Remove the eight screws which hold the plotter on the stand 10 Stand close to the plotter Place one hand around the plotter and grasp the front of the Platen with the other hand Lift the plotter straight up approximately 4 to clear the legs 11 Place the plotter upside down in the original shipping box with foam support blocks in place Replacing the Plotter on the Stand See the CADJET 2 User s Guide for the plotter assembly procedures if you are using the desktop stand If you are using the floor stand have someone help you position the plotter on the stand and hold it in place while you insert and tighten the eight screws which hold the plotter on the stand 5 9 Disassembly Assembly 33 Alternate Method for Securing Carriage Assembly and Fixed Blade 1 Position the Carriage Assembly over the Service Station 2 Place two pieces of nylon filament tape about two inches long across the Fixed Blade and press them down onto the Platen as shown in Figure 5 4 3 Use a tiewrap to lock the Carriage Assembly in place as shown in Figure 5 4 If you do not have a tiewrap use a heavy duty rubberband and place it in the same location as you would the tiewrap Loop the rubberband through itself and knot it securely Do not use tape to hold the Carriage Assembly in place TIE WRAP SLIDE
138. aks or white lines The sloping diagonal lines should not look fuzzy or contain gaps If you see discrepancies in the pattern prime the Cartridges several more times lf you still see discrepancies after priming the plotter several times you should clean the Cartridges See Chapter 3 Section 6 2 for cleaning procedures If you suspect that an ink cartridge has become clogged during printing press PRIME The Cartridges will fire into the Service Station which will purge the jets Printing will resume after this purging 4 45 Troubleshooting 11 9 Tri Color Cartridge Failure Test Procedure Pin 80 Pin 64 Pin 60 Pin 33 4 46 to to to to This test procedure is for the Tri Color Cartridge Flex only If you need to test the Black Cartridge see Section 11 10 below Do NOT touch the Cartridge Flex with your fingers Oils on the skin can damage the circuit Using a DVM verify the resistance between the following points on the suspect Cartridge 65 thru 70 74 thru 76 81 thru 84 36 OHM 61 71 thru 73 77 thru 79 85 thru 88 not Pins 62 amp 63 36 OHM 38 thru 41 51 thru 57 not Pins 58 amp 59 36 OHM 34 thru 37 42 thru 50 36 OHM If the resistance measured is 0 OHM or OPEN the Cartridge jet resistor is defective and the Cartridge must be replaced An incorrect resistance reading will affect print quality The Cartridge should be replaced CADJET 2 Troubleshooting 11 10 Black Cartridge
139. and Screws are included with the Floor Stand when it is ordered 7 22 CADJET 2 CADJET 2 Replacement Parts List Figure Chapter 7 37 Sideplate Left P N 204968 Figure Chapter 7 38 Sideplate Right P N 204973 7 23 Replacement Parts List C3 MPRESSIDN SPRING IDLER Figure Chapter 7 39 Spring Compression Idler P N 203447 SPRING COMPRESSION Figure Chapter 7 40 Spring Compression Top Cover P N 202010 Figure Chapter 7 41 Spring Roll Holder P N 203918 2 7 24 CADJET 2 Replacement Parts List STOP RETRACTING Figure Chapter 7 42 Stop Retracting P N 204246 Figure Chapter 7 43 Support Drive Shaft middle support P N 203556 2 2 7 25 Replacement Parts List 4 2 Drawings D Size Unique Parts Figure Chapter 7 44 Angle Trailing Cable P N 203800 32 Drawings of it were not available at the time of publication However the Part Number shown below is the Part Number note The stand and basket assembly shown below is changing for the NEW stand and basket assembly SS Figure Chapter 7 45 Assy Legs and Basket P N 205175 7 26 CADJET 2 Figure Chapter 7 47 Assy Stabilizer Bracket Service P N 204551 Replacement Pa
140. and Y Arm and at the same time rotate the Servo Motor so that the connector is facing the BACK side of the Platen Align the screw holes with the screw hole openings 5 Insert one screw into the Servo Motor and tighten it slightly 6 Insert the second screw into the Servo Motor and tighten it Make sure both screws are tight 7 Compress the back of the Frame Tensioner with your left index finger and wrap the Carriage Belt over the Servo Motor pulley Make sure that the three guides on the inside of the belt are inserted in the three pulley grooves 8 Move the Carriage Assembly back and forth to check the Carriage Belt tension 9 Reinstall the Trailing Cable Cover and the Top Cover 5 26 CADJET 2 Disassembly Assembly 6 0 Display Assembl 6 1 Removing the Display Assembly 1 2 Disconnect the power cord and the interface cables Using a 1 Phillips screwdriver remove the 3 screws from the back of the Keypad Top Assembly and if the Keypad Bottom is damaged the 2 screws from the underside of the front of the Keypad Bottom and the three screws which hold the Keypad Bottom to the Platen See Figure Chapter 5 13 If the Right Cover Assembly has not been removed from the plotter you will need to lift up the left side of Keypad Top Assembly and pull it slightly to the left in order to get the Keypad Shim on the right end of the Keypad Top Assembly to clear the overhang from the Right Cover Assembly 4 Turn the
141. and to the right of JP1 See Figure Chapter 5 6 Use a 2 6 Phillips screwdriver to tighten the screws until firmly tightened CADJET 2 5 17 Disassembly Assembly 4 4 Reinstalling the MPCB Connectors 1 Reinstall the Stepper Motor connector at JP5 2 Reinstall the Fan connector Red and Black wires at J5 3 Reinstall the Servo Motor connector Red and Blue wires at J6 4 Reinstall the Trailing Cable at JP4 down while inserting the Trailing Cable into the JP4 connector nore Note The silver fingers on the Trailing Cable should be facing When inserting the Trailing Cable connector apply pressure on the locking clip towards the in order to lock the connector place Test to make sure the connector is locked by pulling slightly on the cable to see if it comes out 5 Reinstall the Keypad Cable at J1 of the machine when inserting the Keypad Cable into the 41 connector nore Note The fingers on the Keypad Cable should be facing the back When inserting the Keypad Cable connector apply pressure on the locking clip towards the in order to lock the connector in place Test to make sure the connector is locked by pulling slightly on the cable to see if it comes out NOTE If the MPCB replaced the Flash EPROM must be programmed because the Flash EPROM will be blank when the MPCB is shipped from ENCAD See Appendix A at the end of this manual in order to program the Flash EPROM 5
142. artridge The ability of the media to take various quantities of ink thereby affecting the quality of the plot This is determined by differences in sizing and media coating The cable used to connect the plotter to the computer 2 uses a serial or parallel interface cable A data transmission error between the computer and the plotter for example mismatched interfacing conditions such as baud rate and parity Local area network linking computers through cabling covering a 3K area Reads data through the optical sensor The surface on which the plotter prints the image Media are available in a variety of types including paper polyester canvas and film A firmware created display allowing the user to select and execute various functions or features 1 21 General Information MODE COMMAND MODIFY MONOCHROME NESTING OPACITY ORIENTATION P1 P2 PAPER AXIS PARALLEL INTERFACE PARITY PLATEN PLOT AREA PLOTTER POROSITY PRIME 1 22 This command sets the protocol parameters used to initialize the Asynchronous Communications Adapter Com Port The user may change a plotting parameter previously set by the default values Printing done in only one color usually black Placing two or more plots horizontally on the media The ability of media to prevent ink from showing through The direction of the plotted image on the media that is portrait or landscape A scaling point use
143. ash EPROM The Flash EPROM allows the firmware to be upgraded by simply downloading a file containing the new firmware It can be erased and reprogrammed more than 10 000 times The term Flash means that bytes cannot be individually erased A block or the whole device is erased at the same time and the block or whole device is then reprogrammed The plotter is designed to support Flash devices The 29F040 is a 512Kx8 5V only device There is an extra socket for another 512Kx8 available The normal method of downloading new firmware is to send the plotter a file of the new code This requires using an appropriate host utility This can be done through either the serial or parallel port This method requires code to be running in the plotter to interpret the file If for some reason the EPROM is blank or corrupt there is an alternate method to download firmware to the plotter This alternate method takes advantage of a feature of the MC68340 processor known as Background Debug Mode BDM Background Debug Mode only works through the serial port and requires a special host utility It is a mode that allows some registers and RAM to be written to based upon commands sent through the serial port The special host utility provides user instructions as it runs CADJET 2 3 8 3 9 CADJET 2 Theory of Operation RAM The plotter also has two 72 pin 32 bit wide SIMM sockets for RAM The plotter is supplied with 4 Megabytes of RAM perma
144. at the guides in the Carriage Belt are properly fitted over the Servo Pulley Gently move the Carriage Assembly from end to end and make sure that the Carriage Belt is not rubbing against any other parts Use a 1 Phillips screwdriver to reattach the plastic left Cam Actuator back onto the front of the Y Arm Before careful not to overtighten the screw or the plastic may break Make sure the orientation is correct See Figure Chapter 5 18 Reattach the Trailing Cable Cover to the back of the Y Arm Proceed to Section 8 4 CADJET 2 5 41 Disassembly Assembly 8 4 5 42 Reinstalling the Left Side Plate and Left Cover Assembly 1 Align the Left Side Plate against the left end of the Platen insert the 4 screws and tighten with a 2 8 Phillips screwdriver as tight as possible Push the Left Cover Assembly all the way onto the Left Side Plate Insert the screw into the top back hole on the inside of the Left Side Plate and tighten slightly See Figure Chapter 5 16 Insert the second screw inside the block filler into the Left Side Plate and tighten slightly See Figure Chapter 5 16 Insert the third screw into the bottom back hole of the inside of the Left Cover Assembly and tighten slightly See Figure Chapter 5 16 Tighten the three screws with 2 12 Phillips screwdriver Put the Top Cover back on Reinstall the Cartridges CADJET 2 Disassembly Assembly 8 5 Removing the Trailing Cab
145. ates the major functional areas of the plotter Major control and data paths are shown ADDRESS BUS STEPPER CONTROLLER FLASH EPROM DYNAMIC RAM SIMM EUM ADDRESS MULTIPLEXER PAPER SENSOR ENCODER PARALLEL SERVO CONTROLLER Figure Chapter 2 1 Major Functional Areas of the Plotter MICRO PROCESSOR m SERIAL L EEPROM CADJET 2 2 5 Theory of Operation 2 6 3 3 Power Supply An internal UL recognized switching power module supplies power for the CADJET 2 It provides a constant 5Vdc and 24Vdc output from input voltage in the range of 100 240 Vac A power switch mounted on the back left end of the platen turns the power on and off The 24V supply is used for the stepper controller which advances the paper the servo controller which moves the Carriage and provides power to fire the inkjets The 5V supply powers the logic circuits The DS1233D reset generator IC monitors the 5V power supply and holds RESET low for 350ms after the 5V supply reaches 4 375V When RESET goes high the microprocessor itself will drive it low for an additional 512 clock cycles If the microprocessors 32KHz crystal oscillator is not working it will hold RESET low CADJET 2 3 4 CADJET 2 Theory of Operation Microprocessor The microprocessor a Motorola MC68340 is a central processor unit which supervi
146. cessary to use a pair of Needlenose Pliers to bend up the bottom tab of the Upper Roller Support Use extreme caution so that the pliers do not damage the Slide Shaft or the Encoder Strip Working from the far left Upper Roller Support to the far right Upper Roller Support follow Steps 4 through 7 for each of the remaining Upper Roller Supports As you do so be sure to keep the Carriage Belt looped over the front of the Slide Shaft so it is not damaged ALSO MAKE SURE YOU ARE LOOSENING THE CORRECT SCREWS AND NOT THE ONES WHICH HOLD ON THE STABILIZER BRACKET 5 81 Disassembly Assembly 5 82 When you remove the far right Upper Roller Support you may need to lift up the double sided tape which holds down the Trailing Cable at that point on the Stabilizer Bracket so that the Trailing Cable can be moved slightly to prevent damage as you remove the Upper Roller Support See Figure Chapter 5 20 We recommend using an X Acto Knife to lift up the tape leave the tape attached to the Trailing Cable Before loosening the tape you should mark its exact position with a pen or marker There is also a tape in the center of the Stabilizer Bracket but it should not be necessary to loosen it in order to remove the Upper Roller Supports near it If you do need to loosen it however you should not loosen the other tape at the right hand side of the Stabilizer Bracket at the same time Always mark the exact position of the tapes and leave one o
147. cluded in the Hardware Kit are the 4 long Stand Screws P N has not yet been determined which are 1 4 x 20 x 2 5 All of the Stand Screws are included with the Floor Stand when it is ordered The MPCB has the Flash EPROM already mounted but it is not programmed 7 33 Replacement Parts List Chapter 7 REPLACEMENT PARTS LIST 7 1 TO me 7 1 2 0 Numerical ETS UII s sett Pe Ma M le a 7 2 2 1 Parts Used both D Size and E Size Numerical 7 2 2 2 D Size Unique Parts 7 4 2 3 E Size Unique Parts Numerical 7 5 3 0 Alphabetical p E 7 6 3 1 Parts Used both D Size E Size Alphabetical 7 6 3 2 D Size Unique Parts Alphabetical s ic eo e p uot peret eie 7 8 3 3 E Size Unique Parts 7 9 4 0 Alphabetical Listing with eere ni Re 7 10 4 1 Drawings Parts Used in both D Size and 5 2 7 10 4 2 Drawings D Size Unique Parts 7 26 4 3 Drawings E Size Unique ioo ERR ERR ER Res 7 30 7 34 CADJET 2 Figure 7 1 Figure 7 2 Figure 7 3 Figure 7 4
148. coder 5 50 Inner Platen Parts xis 5 54 Disassembly of Plotter Prior to Removing the Inner Platen Parts 5 56 Removing the Lower Drive Shaft 5 58 Removing the Foam 5 59 Table of Contents CHAPTER 5 DISASSEMBLY ASSEMBLY continued Number Figure 5 28 Figure 5 29 Figure 5 30 Figure 5 31 Figure 5 32 Figure 5 33 Figure 5 34 Figure 5 35 Title Page Lower Drive Assembly and Stepper Motor Assembly 5 62 Routing of Wires and Cables on Right Side Plate and 5 68 Fixed 5 70 Cutter Assembly cate cease 5 73 Upper Roller Support Normal and Bent for Removal 5 77 Removing the Old Upper Roller 5 78 Inserting New Upper Roller Supports 5 81 Positioning Upper Roller 5 82 CHAPTER 6 CALIBRATION Number Figure 6 1 Figure 6 2 Figure 6 3 Figure 6 4 Figure 6 5 Figure 6 6 Figure 6 7 Figure 6 8 Figure 6 9 Figure 6 10 Figure 6 11 Figure 6 12 Figure 6 13 Figure 6 14 Figure 6 15 Figure 6 16 xxii Title Page Upper Roller Supports Numbering 6 7 Inner Stand Off Screws and
149. ction 6 2 Disconnect the Power Cable from the JP1 connector on see Chapter 5 Sections 4 1 and 4 2 and check for voltage coming out of the Power Cable If there is voltage the fuse on the Power Supply is good If there is not voltage you need to check the fuse Step d below Check for voltages at the Main Printed Circuit Board Turn power off and disconnect the power cord Check the fuse on the Power Supply See Chapter 5 Section 9 0 Use only a 250 Volt 2 Amp Fast Blow fuse 5mm x 20mm Be careful not to mistakenly use a 32 Volt fuse Is the CARRIAGE AXIS FAILURE message displayed a Turn off the plotter and then turn it on again to see if the same message appears If YES Make sure that nothing is blocking the movement of the Carriage Assembly Turn off the plotter and move the Carriage Assembly from left to right to make sure it moves freely Troubleshooting 4 32 If the Carriage Assembly does move freely but the CARRIAGE AXIS FAILURE message is still displayed after powerup 1 The Servo Motor needs to be replaced See Chapter5 Section 5 0 for the removal and reinstallation procedures 2 The MPCB Servo Driver may be defective Replace the MPCB See Chapter 5 Section 4 3 If the Carriage Assembly does not move freely check the following 1 The Cutter Wheel may be engaged down and is interfering with Carriage Assembly movement 2 The Carriage Belt tension may be incorr
150. d Menu Display Stand Assembly 40 LAN Casters Locking Casters 1 10 CADJET 2 General Information Figure Chapter 1 1 Front View Cover Closed CADJET 2 1 11 General Information 22 Menu Tree and Help Card Service Station Station in the Capping s Guide aten riage Assemb y omatic Cutter Cutter Blade Platen Groove Figure Chapter 1 2 Front View Cover Open 1 12 CADJET 2 CADJET 2 General Information Figure Chapter 1 3 Back View 1 Centronics Parallel Port J2 RS 422 423 Serial Port Apple Talk J3 Power Input Plug and ON OFF Switch ID Label Left Rollguide Right Rollguide a Rear Media Alignment Mark General Information 7 0 Plotter Specifications Standard Features Cut sheet or roll feed with cutter Low ink level indicator 8 user savable settings Replot and multiple copies Long plot up to 50 feet 15 4 m Merged vector raster images Ink reduction Plot nesting Auto rotation Cut Sheet Maximum Plotting Area Normal 0 59 15 mm margin on each of sides and 1 38 35 mm margin on the fourth side Expanded 0 197 5 mm margin on each of 3 sides and a 1 38 35 mm margin on the fourth side Rollfeed Maximum Plotting Area Normal 0 59 15 mm on all sides Expanded 0 197 5 mm on all sides Line Length
151. d be approximately equal on both sides of the roller See Figure Chapter 6 9 N N gt f M jf N 74 GA Figure Chapter 6 9 Visual Verification of Gap between Roller and Y Arm U 6 34 CADJET 2 Calibration 8 4 2 Observation of Paper Skew at Rear Media Alignment Mark Rollers 8 7 and 6 B Size paper with 11 side against rollers Rollers 5 and 4 D Size paper with 24 side against rollers Rollers 3 2 and 1 E Size paper with 36 side against rollers 1 Position a sheet of the appropriate size paper for loading The cut corner should be the top right corner of the paper as you load it Make sure the correct side is up against the rollers and the right hand side is aligned with the Front Media Alignment Mark on the front of the Platen paper and the left edge of the Front Media Alignment Mark on the Platen note Note Make sure that there is no gap between the right edge of the 2 Hold the media and press LOAD The paper will be pulled in past the Platen s groove The paper will roll forward out and stop CADJET 2 6 35 Calibration 3 Check to make sure that the gap between the right edge of the paper and the left edge of the Rear Media Alignment Mark on back of the Platen is within 2 line widths 0 12 See Figure Chapter 6 10
152. d by the plotter that specifies the location of the plot s lower left corner On the CADJET 2 this point will either be NORMAL or MAX A scaling point used by the plotter that specifies the location of the plot s upper right corner On the CADJET 2 this point will either be NORMAL or MAX The long side of the plot area measured at right angles to the platen that is the X Axis or Vertical Axis An interface type in which a separate line is used for each data bit in a byte or word and all bits are transferred simultaneously making it faster than a serial interface A method for checking for errors in the transfer of information between computing devices Parity checks the accuracy of the binary data on a serial connection The surface on which the media moves The area in which the plotter prints the image determined by the width of the media An electromechanical device that produces hardcopies of computer data Typically this is done by moving the drawing device and or the media to create lines or filled areas A measure of the flow of ink or air through the media To clear the ink cartridges by forcing them to fire rapidly CADJET 2 RASTER IMAGE REPEATABILITY RESET RESOLUTION ROLLFEED ROM RS 422 RS 423 QUADRANTS SCALING SCALING POINTS SERIAL INTERFACE SERVO CADJET 2 General Information Random Access Memory Usually temporary electronic storage for data Data will be lost w
153. d the connector clips on the parallel port to hold them out of the way while the Right Cover Assembly is being removed Move the Carriage Assembly to the middle of the Platen Using a 2 Phillips screwdriver loosen the top and front screws which are captive and remove the bottom back screw on the inside of the Right Cover see Figure Chapter 5 5 Remove the Right Cover Move the Right Cover towards the back of the unit as you remove it so that it clears the parallel port on the back of the unit Be very careful when removing the Right Cover so that the LED s on the MPCB are not damaged CADJET 2 CADJET 2 Disassembly Assembly Removing the MPCB Connectors Power must be disconnected Reference Figure Chapter 5 6 for the locations of the connectors Grasp the connector not the wires to remove the cables Do not pull the cables from the connectors on the J1 location Keypad Cable and JP4 location Trailing Cable until they are unlocked Doing so may cause damage to the cable fingers Do not pull the lock too hard as you unlock the connectors or the lock may break off Integrated circuits can be weakened or inactivated by electrical discharge It is recommended that you be grounded to a static station by an ESD wrist strap to prevent ESD damage Disconnect all 6 connectors on the MPCB so that the MPCB can be removed see Figure Chapter 5 6 for positions of the connectors as follows 1 Disconnect the Keyp
154. dia is being used there will be no plotter action after the dry time elapses The user may release the media at any time DRYING PLOT x MIN x SEC 7 3 Insert Media INSERT MEDIA Data has been received but no media has been USE LOAD KEY loaded Load media for plotting 7 4 Memory Full MEMORY FULL The I O buffer has overflowed The plot being sent PRESS ANY KEY will probably not be complete Buffer allocation should be reset If this does not resolve the problem increase the buffer memory by upgrading the SIMMS module to a larger size maximum of 64MB Refer to the CADJET 2 User s Guide for the acceptable sizes manufacturers and installation procedures 20 CADJET 2 A 75 RAM 4MB REV X Troubleshooting The plotter stops at this point in the initialization sequence and does not display the LOAD message on the display This may indicate a RAM error see Section 10 0 of this chapter even though the RAM test has indicated RESULT OK Check the RAM installation on the Main Printed Circuit Board Make sure that the RAM is fully seated Incompatible SIMMS may also cause this problem See the 2 User s Guide for acceptable SIMMS sizes and the replacement procedure 7 6 Checksum Error CHECKSUM ERROR 7 7 Plotter Error PLOTTER ERROR CARRIAGE AXIS A Checksum error during the initialization sequence is an indication of a probable ROM error The Main Printed Circuit Board must be replaced Refer
155. die Berechtigung zur Uberpr fung der Serie auf die Einhaltung der Bestimmungen einger umt ENCAD Inc U S A Material Safety Data Sheet CADJET 2 ink is nonhazardous requiring no special disposal handling It can be harmful if swallowed and should be kept away from children To obtain a Material Safety Data Sheet contact ENCAD Inc at 6059 Cornerstone Court West San Diego CA 92121 3734 619 452 4350 International users should contact their local dealer or distributor CADJET 2 PRINTING HISTORY 1st Edition September 18 1995 CADJET 2 TABLE CONTENTS CHAPTER 1 GENERAL 2 1 1 CHAPTER2 THEORY OF 44 0 1 2 1 CHAPTER 3 MAINTENANGE u lalate 3 1 4 5 4 1 5 DISASSEMBLY ASSEMBDLY hh u es aetas 5 1 GHAPTER 6 GALIBRATION a oboe 6 1 CHAPTER 7 REPLACEMENT PARTS LIST erre re ERR 7 1 APPENDIX A EMERGENCY FIRMWARE DOWNLOAD PROCEDURE A 1 APPENDIX B PRINTER FIRMWARE UPGRADE PROCEDURE B 1 APPENDIX FINAL ASSEMBLY DRAWINGS eem C 1 APPENDIX D SCHEMATICS Vaan veri D 1 2 vi Table of Contents CHAPTER1
156. draw 2 lines of 16 regions of deadband at press DOWN ARROW twice The will blink while deadband is drawn CALIBRATION DIAGNOSTI press UP or DOWN ARROWS to change value bress DOWN ARROW D DORT RAM press SELECT twice to draw deadband at new value press SELECT to stop from blinking press SELECT press DOWN ARROW UTILITIES press SELECT OPTIONS EASY CALIBRATION DPTIONS EASY VERT LINES ONE DPTIONS ADVANCED ma MN If MENU EASY press SELECT RESULT OK RESULT OK press SELECT to draw 16 regions of vertical lines uni directional press UP ARROW once RESULT ERROR PE LAB w a then press SELECT press SELECT press twice CALIBRATION press UP ARROW twice press DOWN ARROW VERT LINES ALL UTILITIES press SELECT to draw 16 regions of vertical lines bi directional SERVICE press SELECT press DOWN ARROW press SELECT beeps once if OK prese SELECT press DOWN ARROW CALIBRATION SERVICE press DOWN ARROW SLOW DEADBAND 0 INFORMATION once to go to SERVICE DIAGNOSTICS SLOW DEADBAND 0 or 1 or twice to go to SERVICE CALIBRATION press SELECT to draw 1 line of 16 regions of deadband RESULT OK press SELECT The will blink while deadband is drawn INFORMATION press DOWN ARROW INFORMATION RESULT ERROR press UP or DOWN ARROWS to change value and DISPLAY SETTINGS PRINT SETTINGS press DOWN ARROW twice press SELECT twice to draw deadband at new value press SELECT to stop from blinking press SELECT to d
157. e Blackmax Loctite at the B locations shown in Figure Chapter 5 30 CADJET 2 5 73 Disassembly Assembly 13 0 Cutter Wheel 13 4 Removing the Cutter Wheel Be very careful whenever you handle the Cutter Assembly The Cutter Wheel is extremely sharp In the event that the Cutter Wheel should become dull it may be replaced with a new wheel It is not necessary to replace the entire Cutter Assembly Use the following procedure 1 Disconnect the power to the plotter 2 Move the Carriage Assembly to the center of the Platen 3 Use a pair of needle nose pliers to unhook the spring on the left side of the Cutter Assembly from the Carriage Assembly 4 Lift the Cutter Assembly away from the Carriage Assembly 5 Remove the four screws Item 9 in Figure Chapter 5 31 from the Cover Cutter Item 2 6 Remove the Cutter Wheel Item 7 from the Lower Link Cutter Item 4 5 74 2 Disassembly Assembly ITEM QTY ER 2 ER CUTTER CUTTER 2 224 Figure Chapter 5 31 Cutter Assembly CADJET 2 5 75 Disassembly Assembly 13 2 Replacement of Cutter Wheel If the entire Cutter Assembly came apart when the Cutter Wheel was removed begin with Step 1 If the Cutter Assembly did not come apart begin with Step 4 1 Place t
158. e drawings on hardcopy media The procedures for adjusting the ink cartridge alignment line length accuracy and deadband General Information CARRIAGE CARRIAGE AXIS CARTRIDGE CENTRONICS CONFIGURATION CPU DATA DEADBAND DEFAULT DIAGNOSTICS DISPLACEMENT DISPLAY DPI DUTY CYCLE EMULATE 1 20 The electromechanical assembly which carries the four ink Cartridges across the media The PCB on the Carriage contains the decoding circuits to fire the ink nozzles and determine carriage location The plot area measured parallel to the platen that is the Y Axis or Horizontal Axis The plastic housing containing the ink and the ink nozzles Two Cartridges are mounted on the plotter Carriage A parallel interface standard The way that the computer and plotter are interconnected and set up to operate as a system Central Processor Unit The part of the computer system that contains the Arithmetic Logic Unit and the Control Unit It forms the brains of the system usually called the computer The term used to denote any or all facts numbers letters and other characters used in information transfer The term when used in the physical or mechanical sense is lost motion It results from a number of accumulated effects such as friction pulley and belt backlash electrical losses finite position errors from digital encoders and low servo gain A value supplied by the internal firmware which is ass
159. e not scraped against the opening in the bottom of the Platen during the removal of the Servo Motor to avoid accidentally cutting them 7 Support the Servo Motor with one hand and remove the front screw 8 Carefully lower the motor part way out of the opening in the bottom of the Platen 9 Unlock the connector lock on the Servo Motor Pull the cable out of the connector and finish removing the Servo Motor from the opening m 1 REMOVE THIS SCREW ENCODER STRIP DON T TOUCH Figure Chapter 5 11 Servo Motor 5 24 CADJET 2 Disassembly Assembly Figure Chapter 5 12 Compression of Frame Tensioner CADJET 2 5 25 Disassembly Assembly 5 2 Replacing the Servo Motor Make sure that the wires of the Servo Motor cable are not scraped against the opening in the bottom of the Platen during the reinstallation of the Servo Motor to avoid accidentally cutting them Also make certain that the connector on the Servo Motor faces the BACK of the Platen If the connector faces the front of the Platen the cable will be stretched too tight and may be damaged 1 Partially reinsert the Servo Motor inside the opening in the bottom of the Platen 2 Plug the Servo Motor cable into the connector on the Servo Motor Make sure that it snaps into place 3 Guide the Servo Motor into the Platen 4 Push the Servo Motor pulley through the Platen
160. e print quality To clean the Service Station 1 2 3 Disconnect the power cord Raise the Top Cover Carefully move the Carriage Assembly to the center of the Slide Shaft Dampen a cotton swab with warm water and wipe the seals and the rubber wiper to completely remove ink residue and dust accumulation Also clean all the excess ink out of the reservoirs and out of the bottom of the Service Station Remove all moisture from the seals and the wiper with a dry swab Reconnect the power cord 3 5 Maintenance 5 0 Encoder Strip Maintenance Clean the Encoder Strip only as necessary to remove any buildup of debris Isopropyl alcohol may be used You may notice that it tends to fog the Encoder Strip however no detrimental effect has been observed as of the publication date of this manual To clean the Encoder Strip use a Q Tip which has been slightly dampened with isopropyl alcohol and wipe along the length of the Encoder Strip on both sides of the Encoder Strip 3 6 2 Maintenance 6 0 Ink Cartridge Maintenance Hold the Cartridges by the green or black area only Do not let the copper or gold areas come in contact with any surface When installing the Cartridges lower them straight down into the Cartridge Covers Tilting the Cartridges at an angle may cause damage to the Carriage Flex Cable Tapping Cartridges on any hard surface may jar Cartridge components and cause extreme damage 6 1 Ini
161. ecision Logic Table One DLT 1 WARNING OBSERVE ALL STANDARD STATIC AND SAFETY PRECAUTIONS REFERENCES CALIBRATION PROCEDURES USER S GUIDE amp SERVICE MANUAL BEGIN WITH ASSUMPTIONS LISTED BELOW EXIT TO THE DECISION LOGIC TABLE INDICATED AT THE END OF THIS TABLE ASSUMPTIONS 1 CADJET 2 SERIES PLOTTER 2 INPUT POWER DOES DISPLAY COME ON DOES MEMORY COUNT ACTIONS VERIFY INPUT POWER VERIFY INPUT POWER ON MPCB RESEAT FAN CONNECTOR J5 GO TO DECISION LOGIC TABLE 2 DLT 2 4 4 CADJET 2 Troubleshooting Table Chapter 4 2 Decision Logic Table Two DLT 2 REFERENCES CALIBRATION PROCEDURES USER S GUIDE amp SERVICE MANUAL BEGIN WITH DECISION LOGIC TABLE ONE DLT 1 EXIT TO DECISION LOGIC TABLE THREE DLT 3 ASSUMPTIONS 1 CADJET 2 SERIES PLOTTER 2 POWER ON SEQUENCE OK CONDITIONS E 2 tS PLOTTER INTERMITTENTLY REBOOTS i i i TRANSIENT INTERMITTENT MPCB FAILURES SMOKE NICAL SUPPORT see Chapter 1 Section 3 0 CADJET 2 4 5 Troubleshooting Table Chapter 4 3 Decision Logic Table Three DLT 3 WARNING OBSERVE ALL STANDARD STATIC AND SAFETY PRECAUTIONS REFERENCES CALIBRATION PROCEDURES USER S GUIDE amp SERVICE MANUAL BEGIN WITH DECISION LOGIC TABLE TWO DLT 2 OR PLOTTING ERRORS ASSUMPTIONS 1 CADJET 2 SERIES PLOTTER 2 ON SEQUENCE CONDITIONS 1123 4 5 6 7 10 11 12 CARRIAGE AXIS FAILURE MEMORY HIGH LOW
162. ect See Chapter 5 Section 8 8 Slide Shaft may be dirty See Chapter 3 Section 3 0 for cleaning procedures 4 There may be debris on the Encoder Strip See Chapter 3 Section 5 0 for cleaning procedure 5 The Upper Roller Supports may be at an angle and are hitting the Carriage Assembly See Chapter 5 Section 14 0 if they need to be replaced 6 There may be a loose bushing on the Carriage Assembly See Chapter 5 Section 8 0 for instructions on removing the Carriage Assembly so this can be checked E The Carriage Height may not be correct See Chapter 6 Section 6 2 2 2 If NO Troubleshooting the problem is most likely in the Servo Motor the Main PCB or the Encoder strip 1 7 Check the Trailing Cable connections See Chapter 5 Section 8 6 Replace the Servo Motor See Chapter 5 Section 5 0 If replacing the Servo Motor doesn t correct the problem replace the MPCB See Chapter 5 Section 4 0 If the problem is not solved after both the Servo Motor and the MPCB are replaced replace the Stabilizer Bracket Assembly which contains the Encoder Strip See Chapter 5 Section 10 0 4 33 Troubleshooting 11 5 Media Problems 11 5 1 Cut Sheet Media Won t Load 4 34 If cut sheet media won t load 1 Check to see if the plotter is set for roll feed media From the Main Menu press one of the arrow keys to advance
163. ection 8 4 5 51 Disassembly Assembly 10 0 Stabilizer Bracket and Encoder Strip NOTE Note 1 If the Encoder Strip is not damaged do not remove it lt cannot be reused If the Encoder Strip is damaged the entire Stabilizer Bracket must be replaced Follow the directions under Sections 10 1 and 10 2 in this chapter Contact ENCAD s Technical Support and Service department to obtain an RMA number see Chapter 1 Section 3 0 Be sure to specify whether you have a D Size or E Size model A new Stabilizer Bracket will be sent to you which will already have the new Encoder Strip installed on it as well as the tapes for the Trailing Cable The person taking your call will explain the procedure for the exchange The Encoder Strip is attached to the Stabilizer Bracket with double sided 3M tape The Stabilizer Bracket is held on the Y Arm by means of three screws which go into the back of the Y Arm The Encoder Strip should be inspected for visual damage to windows noting any cracks scratches or bends in the mylar TRAILING CARRIAGE AS CABLE SEMBLY NL ENA gt REMOVE CABLE FROM TAPES REMOVE STABILIZER BRACKET EMOVE 3 SCREWS REMOVE STABILIZER BRACKE 2070 VE LEFT CAM ACTUATOR REMOVING CARRIAGE ASSEMBLY Figure Chapter 5 23 Encoder Strip 5
164. ed from Step 1 of Section 6 2 2 CADJET 2 6 17 Calibration 6 18 6 2 3 Verify Head Height Values 1 Move the Carriage with the gauge installed in the holder for the Black Cartridge to the center of the Platen next to the Turnbuckle see Figure Chapter 6 2 Record the reading in Part 2 of the Calibration Worksheet Move the Carriage with the gauge installed in the holder for the Black Cartridge to the left location of the Platen Record the reading in Part 2 of the Calibration Worksheet Move the Carriage with the gauge installed in the holder for the Black Cartridge to the right location of the Platen Record the reading in Part 2 of the Calibration Worksheet If the values are not within specification repeat the adjustment procedure Remove the gauge if all values are within specification Install a set of full Cartridges and proceed to Section 6 3 Encoder Strip Location Visual Check CADJET 2 Calibration 6 3 Encoder Strip Location Visual Check Check that the Encoder Strip clears both sides and the bottom of the Encoder module Make sure that the Slider does not come into contact with or deflect the Encoder Strip at any point during the Carriage Axis travel Make sure that the Encoder does not come into contact with the Stabilizer Bracket If contact is visually detected or heard squeaking noise then re adjust the tilt height of Carriage until clearance is obtained Repeat all the
165. edures fail to unclog a Cartridge the Cartridge may be out of ink Note Also see Chapter 4 Section 11 7 Ink Cartridge Problems CADJET 2 6 3 Cause Cartridge is not seated properly in the Cartridge Holder Ink spills buildup or other debris on the Cartridge or the Flex Cable Buildup of ink in the Service Station Cartridge damage to dropping improper storage or tapping Cartridge hard surface CADJET 2 Maintenance Other Causes of Misfiring Solution Reinstall Cartridge into the Cartridge Holder Lower the Cartridge straight down into the Cartridge Holder and gently press down and forward so that the Cartridge moves forward slightly Push the lever up until it stops Clean the Flex Cable in the Cartridge Holder and the electrical contact and jet areas on the Cartridge gently with a Q Tip moistened with distilled water tap water is OK if distilled water is unavailable Do not use Acetone or any other harsh cleaner because these may cause damage to the Flex Cable If ink buildup continues replace the Cartridge Clean the Service Station See Section 4 0 If damaged replace with a new Cartridge 3 11 Maintenance 6 4 6 5 3 12 Storage of Cartridges During Extended Periods of Inoperation If the Cartridges are left in the plotter 1 If the plotter is not used for an extended period of time it is preferred that the Cartridges remain in the plotter with the Carr
166. ee Chapter 5 Section 4 1 for the procedure and with the power on press the metal button on the MPCB several times If the plotter does not respond replace the MPCB Assembly See Chapter 5 Section 4 3 For LCD keys only If Steps 1 and 2 above have been performed and the key is still not responding the Main PCB is defective Replace the Main PCB Refer to the procedures in Chapter 5 Section 4 3 4 63 Troubleshooting 11 20 Front Keypad Display Inoperative 4 64 If there are no characters displayed on the Keypad Display but other plotter functions are correct perform the following actions until the problem is corrected 1 Keypad Display cable connections are bad Check the connection at J1 of the MPCB See Chapter 5 Section 6 0 Try reprogramming the Flash EPROM See Appendix A The Keypad Display has failed Replace the Display See Chapter 5 Section 6 0 The Main Printed Circuit Board circuitry has failed Replace the Main Printed Circuit Board see Chapter 5 Section 4 3 and reprogram the EPROM EPROM or Flash EPROM failure Replace the MPCB See Chapter 5 Section 4 3 The Display Cable may have been installed backwards Check the orientation of the flex fingers See Chapter 5 Section 6 2 CADJET 2 Troubleshooting Chapter 4 TROUBLESHOOTING 4 1 1O ifceero a DLP 4 1 2 D Decision LOGIE Tables 4 2 2 1 Procedure for Using Decision Logic
167. embled Shipping Plot head Operating Environment 41 to 104 F 5 to 40 C 20 80 RH Non condensing Storage Environment 40 to 140 F 40 to 60 C 10 80 RH Non condensing 40 W Typical 60 W Max 69 Ibs 31 kg 62 Ibs 28 kg 57 lbs 26 kg 54 Ibs 25 kg CADJET 2 General Information 8 0 Line The following information for the CADJET 2 clarifies the amount of acceptable variation for plotting accurately See Figure Chapter 1 4 i I SPECIFIED as L 0 2 L LL L 0 2XL LENGTH 1 1 0 2 L 1 0 2 L 1 T DRAWN IMAGE MEDIA PERIMETER Ly Figure Chapter 1 4 Line Length Accuracy 1 drawn line length Lw is to be within 0 2 of the length specified Lw typically is constant on the top and bottom of the plot 2 Line length LL LR are to each be 0 2 of length L specified 3 The total difference or delta between the longest line within specification and the shortest line within specification is L 1 0 2 L 1 0 2 2 2 4 L LR AL AL lt 0 4 of L Example If L specified 45 Then AL left and right must be 4 of 45 AL lt 0 18 inches CADJET 2 1 15 General Information If the media loading instructions have been correctly implemented these figures are co
168. er The cartridge has 13 address lines 8 power pins and 8 grounds Each power pin has a ground line There area total of 104 jets In the diagrams in Figure Chapter 4 6 below P power pin A address line and G ground Use one of the two diagrams below to arrange the setup for the test R has OR A 9V Battery 300 9V Battery a sl k i ke s s pEnn IA e Setup with LED no Ohm Meter Setup with Ohm Meter no LED Figure Chapter 4 6 Black Cartridge Failure Test Setups 2 4 51 Troubleshooting 4 52 Figure Chapter 4 7 below shows the Black Cartridge Flex Dimple Pattern The Black Cartridge Flex Test Matrix in Table Chapter 4 6 below shows the grounds power pins address lines and jet numbers for each jet Once you have identified the jet number s of the non functioning jet s by examining the plot printed during the Cartridge Diagnostic Test use the Black Cartridge Flex Test Matrix to determine which ground pin and address line to test Conduct the test as follows 1 2 Connect 1 probe from the Ohm Meter to one of the 8 power pins Connect 1 probe from the Ohm Meter to the 9 Volt Battery and to the correct ground for the power pin Connect the 10K resistor from the 9 Volt Battery to the appropriate address line s o
169. er 2 5 Parallel and Serial Ports Data from the host computer is received either through the Centronics parallel port or the serial port The gate array provides the control signals for DMA transfers from the parallel port The serial port is designed primarily to interface to a Macintosh printer port It has an eight pin Mini Din connector The data TXD RXD signals meet RS422 electrical specifications and the control signal DTRCLK meets the RS423 electrical specifications The control signal can be configured as 1 2 clock for high speed serial communications with a Macintosh The serial port is compatible with RS232 devices when an appropriate adapter cable is used This cable is available from ENCAD Please refer to Chapter 7 of this Service Manual for the part number CADJET 2 Theory of Operation 3 14 Keypad Display MICRO PROCESSOR CONTROL KEYPAD KEY coNTROL l CADJET 2 Figure Chapter 2 6 Keypad Display In addition to the seven dedicated function keys on the plotter Right Cover Assembly as part of the main board the front keypad uses four keys to access the menu main select forward up arrow and backward down arrow The data from the four keys and to the display is encoded on the second serial port of the microprocessor The display provides information to the user on plotter status 2 17 Theory of Operation TRAILING CABLE
170. er to Chapter 5 Section 8 8 Servo Motor cabling may be intermittent Check the connections Check the screws which hold the Servo Motor in place to make sure the Carriage Belt is not rubbing on the screws If the screws were installed at an angle they may work out of the hole and could interfere with the belt See Chapter 5 Section 5 0 The Slide Shaft alignment may be too low causing the Cartridges to drag on the media or hit the Upper Roller Supports Refer to the alignment procedures for the shaft in Chapter 6 Sections 6 0 and 6 1 Slide Shaft Profile Adjustment Carriage Height Adjustment There may be debris on the inside of the metal bushings of the Carriage Assembly The debris may be removed using a dry Q Tip or a lint free cloth Using a sharp or metal object to remove debris from the inside of the metal bushings will damage the bushings See Chapter 5 Sections 8 2 8 3 Removal of Carriage Assembly and Reinstallation of Carriage Assembly for removal and reinstallation procedures If cleaning the bushings does not resolve the problem replace the Carriage Assembly After replacing the Carriage Assembly see Chapter 6 for calibration instructions you will not need to perform the Slide Shaft Profile Adjustment procedure in Section 6 1 but all other sections will need to be done 2 Troubleshooting 11 18 Media Movement Erratic 2 If the media moves erratically d
171. ers Or type A INSTALL if your floppy drive is designated as A 4 Answer YES or NO to Do you want to print the USERGUIDE TXT now and press Enter 5 Select the disk drive on which you want the DOS Utilities installed Press Enters 6 Specify the destination subdirectory where the files are to be installed Press Enter CADJET 2 Bay Appendix V V B 2 7 Select the parts of the DOS Utilities you want to install by pressing SPACEBAR to toggle between YES and NO Press Enters 8 After the installation is completed type CD CADUTIL or CD and the subdirectory specified in Step 6 above and press Enter Note If you are already in the subdirectory where the files were installed this step is not necessary 9 Type CADUTIL and press Enter 10 Type 1 and press Enter 11 After a few seconds the download will stop and the following message will appear on your computer WARNING THE NEXT PROCEDURE WILL ERASE THE CURRENT PRINTER OPERATING SYSTEM THIS PROCEDURE MUST NOT BE INTERRUPTED PLEASE INSURE THAT THE PRINTER IS NOT DISTURBED DURING THIS TIME 12 Press Enter to continue with the download If at this point there is an error message reporting NOT ON LINE the parallel download is not going to work In this case you need to call ENCAD s Help Desk see Chapter 1 Section 3 0 and order ENCAD s 5422 Serial Cable P N 203977 Be s
172. f the opening as you put in the left screw and tighten it a few turns Push the front of the Upper Roller Support towards the left side of the opening as you put in the right screw and tighten it a few turns 3 Alternate between the two screws as you tighten them evenly so that both sides become snug at about the same time 5 Repeat Steps 1 through 4 for the rest of the Upper Roller Supports CADJET 2 5 85 Disassembly Assembly 5 86 6 Put the Carriage Belt back into place in the Y Bracket a See Section 8 3 Steps 8 through 15 and Figure Chapter 5 18 for the correct assembly of the Frame Tensioner Assembly Make sure that the Carriage Belt is not twisted One way to check this is by standing at the left end of the plotter and looking down the length of the inside of the Y Bracket You can also check for twisting by moving the Carriage Assembly as far as possible to the left end of the Slide Shaft Once you are certain there is no twisting of the Carriage Belt slide the Carriage back and forth a few times to make sure that it slides smoothly 7 Reattach the Trailing Cable Cover to the Y Bracket using the 5 16 Hex Nut Driver to tighten the 3 nuts 8 Reattach the Left Side Plate and the Left Cover Assembly See Section 8 4 9 Because you have replaced the Upper Roller Supports it is necessary to perform the following portions of Chapter 6 e Section 7 0 Paper Skew Setup e Sections 8 0 through 8 4 4
173. f the tapes in place while the other is loose Correct positioning of these tapes is essential for the proper operation of the Carriage Assembly Be sure to press the tape back down again after the roller is removed If you have to use a new piece of tape make sure it is put down in exactly the same place on the Stabilizer Bracket by using the Fixture Trailing Cable Tape Location P N 204142 2 Disassembly Assembly 14 2 Installing the Upper Roller Supports Make sure that you do not install the Upper Roller Supports upside down Once they are inside the Y Bracket you will have to destroy them order to take them out See Figure Chapter 5 35 for the correct orientation of the Upper Roller Supports Have the piece of Translite media in place so that the Lower Roller is protected while you install the new Upper Roller Supports Make sure that the Carriage Belt is kept looped over the front of the Slide Shaft while installing the new Upper Roller Supports as follows 1 Place the roller end of an Upper Roller Support behind the Slide Shaft between the back of the Slide Shaft and the front of the Stabilizer Bracket and push it forward as far as possible through the Upper Roller Support opening in the front of the Y Bracket See Figure Chapter 5 34 lt STABILIZER BRACKET A c THE ROLLER END OF THE ROLLER SUPPORT BETWEEN N E BACK OF THE SLIDE SHAFT AND THE F
174. g 14 Step 9 through Step 14 One side of the Idler Pulley Assembly has a thicker ring of plastic than the other side When you insert the Idler Pulley Assembly between the Frame Tensioner and the Carriage Belt the side with the thicker ring of plastic must face up See Figure Chapter 5 18 Insert the Carriage Belt into the Frame Tensioner so that the belt extends about an inch past the Frame Tensioner Holding the Carriage Belt and Frame Tensioner in one hand insert the Idler Pulley Assembly into the loop of the belt Make sure that the side of the Pulley Assembly with the thicker ring of plastic is facing up Once the Idler Pulley Assembly is in position pinch the belt to hold the Pulley Assembly in place and pull it into the Frame Tensioner so that the axle rests in the V shaped grove in the Frame Tensioner Insert the Compression Spring into the opening in the back of the Frame Tensioner so that the end of the spring fits over the post inside the opening Fit the Compression Spring over the post at the back of the Y Arm Fit the notch in the front end of the Frame Tensioner over the notch in the front of the Y Bracket CADJET 2 Disassembly Assembly 18 19 With your left hand push the back of the Frame Tensioner towards the right end of the Y Bracket and with your right hand slip the Carriage Belt over the Servo Motor pulley on the right end of the unit Make sure th
175. ght Cover Assembly See Figure Chapter 5 5 Using a 2 Phillips screwdriver tighten the bottom back screw and the top and front screws All three screws should be firmly tightened Do not overtighten Put the Top Cover back on CADJET 2 Disassembly Assembly 5 0 Servo Motor 5 1 Removing the Servo Motor While removing the Carriage Belt and the screws on the Servo CAUTION Motor don t touch the Encoder Strip with any tools NOTE Note The Stand has a cutout in it which allows you to remove the Servo Motor without removing the Plotter from the Stand To remove the Servo Motor proceed as follows 1 Disconnect the power cord and the interface cables 2 Remove the Top Cover 3 Remove the Trailing Cable Cover from the Y Arm in order to have easier access to the Frame Tensioner and to the screws which hold the Servo Motor in place Use a 5 16 Hex Nut Driver to remove the three nuts which secure it to the back of the Y Arm 4 Use a 2 6 Phillips screwdriver to remove the back screw on the Servo Motor See Figure Chapter 5 11 5 Loosen the front screw on the Servo Motor See Figure Chapter 5 11 6 See Figure Chapter 5 12 and Figure Chapter 5 11 While you compress the back of the Frame Tensioner with your left index finger use your right hand or the straight end of the Scriber to gently remove the Carriage Belt from the Servo Motor pulley CADJET 2 5 23 Disassembly Assembly Make sure that the wires ar
176. he Delta Link Cutter 3 in Figure Chapter 5 31 onto the Frame Cutter Item 1 2 Place the Cutter Toggle Spring 8 between the two Cutter Spring Pivots Item 6 Then place them into the Delta Link Cutter Item 3 3 Place the Lower Link Cutter Item 4 onto the Delta Link Cutter Item 3 4 Place the Cutter Wheel Item 7 onto the Lower Link Cutter Item 4 other side The beveled edge of the Cutter Wheel must face note Note The Cutter Wheel is flat on one side and is beveled on the the Cover Cutter See Figure Chapter 5 31 5 Place and secure the Cover Cutter Item 2 to the Frame Cutter Item 1 using the four screws Item 9 accurately with each other when reassembling the Cutter nore The Cover Cutter and the Frame Cutter must be aligned that is the edges must match up and the Cutter Wheel must turn freely If this is not done correctly the Cutter Wheel will bind and will not function properly 6 Place the Actuator Link Cutter Item 5 on the back of the Frame Cutter Item 1 7 Reinstall the Cutter Assembly the Carriage Assembly 8 Use a pair of needle nose pliers to reattach the spring on the left side of the Cutter Assembly to the Carriage Assembly 5 76 CADJET 2 Disassembly Assembly 14 0 Upper Roller Supports Note 1 This procedure is to be used only if the Upper Roller Supports become worn or damaged It is highly recommended that ALL the Upper Roller Suppo
177. he Power Supply 5 f the ON OFF Switch needs to be replaced push the top of the switch out of the back of the Platen pry up on the bottom of the switch with a screwdriver from inside the Platen and push the switch out of the Platen Remove the ground wire from the Platen 5 50 2 9 2 V CADJET 2 Disassembly Assembly Installing the Power Supply and ON OFF Switch 1 If the ON OFF Switch was removed push the new switch into place Position it so the switch is on top and the prongs for the Power Cord are on the bottom see Chapter 1 Figure 1 3 Connect the ground wire to the inside of the Platen see Figure Chapter 5 24 Connect the Power Cable coming from the MPCB to the connector on the Power Supply Make sure that the ground from the Power Cable is still connected to the inside of the Platen at the same location as the ground from the ON OFF Switch see Figure Chapter 5 24 Insert the Power Supply part way into the Platen Connect the Power Switch cable to the connector on the Power Supply Note You may find it easier to align the screws with the Power Supply if you turn the Platen onto its back side Position the Power Supply in place inside the Platen and insert the screws through the bottom of the Platen and into the Power Supply Use a 2 Phillips screwdriver to tighten the screws Do not overtighten them Reinstall the Left Side Plate Left Cover Assembly and the Top Cover See S
178. he Stepper Motor See Chapter 5 Section 11 3 for the replacement procedure You should also take into consideration the possibility that the Gear on the Stepper Motor may be broken in which case the Stepper Motor will need to be replaced The MPCB Stepper Driver may be defective Replace the MPCB See Chapter 5 Section 4 3 Defective ROM or RAM Go to the SERVICE DIAGNOSTICS menu and perform the ROM and RAM tests to obtain an OK or ERROR message If the read out is RESULT OK this is not causing the grinding noise For the ROM test a read out of RESULT ERROR could indicate 1 that the Flash EPROM has failed Replace the MPCB See Chapter 5 Section 4 3 for the procedure 2 the socket on the MPCB is defective Replace the MPCB See Chapter 5 Section 4 3 for the procedure 4 39 Troubleshooting For the RAM test a read out of RESULT ERROR could indicate 1 Any extra SIMMS may be installed incorrectly or not fully seated See Chapter 5 Section 4 5 for the procedure 2 The extra SIMMS may be defective or not compatible with the plotter circuits See the User s Manual for information concerning the acceptable SIMMS sizes See Chapter 5 Section 4 5 for the replacement procedure 3 The socket on the MPCB may be defective Replace the MPCB See Chapter 5 Section 4 3 for the procedure 4 40 CADJET 2 Troubleshooting 11 6 Media Cutting Problems Media which is very abrasive such as canvas may shorten the life of
179. he instruction sheet for installing the floor stand Additional copies of ENCAD Inc publications may be obtained by contacting your nearest authorized dealer or by contacting ENCAD s Technical Support and Service Department 1 2 CADJET 2 General Information 2 2 Features of this Service Manual 2 2 1 Subject Headings All subject headings are numbered Main subject headings are identified by a dark gray banner with large white type First sublevel subject headings are in large bold type and are set in slightly from the left margin Second sublevel subject headings are in bold italicized type 1 0 Main Subject Heading 1 1 First sublevel subject heading Paragraph 1 1 1 Second sublevel subject heading Paragraph 2 2 2 Figures and Tables Figures are used to clarify procedures They are for illustrative purposes only and may not necessarily be drawn to scale Figures and Tables are easily located and cross referenced and are listed in the Table of Contents CADJET 2 13 General Information 2 2 3 Manual Conventions CAUTION Reminders of importance that must be addressed but may or may not cause minor damage are highlighted with the Caution symbol at the left and with a cautionary note in bold type and is enclosed in a box NOTE Notes are placed before or after a procedure to inform the service person of specific details to improve quality to give reminders
180. hen power is removed A graphic image created by dots called bitmaps The plot is defined in terms of pixels dots rather than as vectors Each pixel is defined by a bit A bit that is on will print a dot on the media A bit that is off will leave the area blank The act of repeating In plotting the ability of a plotter to return to a predetermined location on the plot with a given amount of accuracy The plotter s menu driven instruction to return the plotter to a predetermined status The sharpness of a printed image as measured by dots per inch The number of dots per unit of area to which the plotter may be addressed Media that is packaged on a roll and is loaded and fed through the back of the plotter Read Only Memory Permanent electronic storage for data Used to store the plotter s internal instructions There is no data loss when power is removed Differential communication serial port with a connector compatible to Apple Mac Single Ended Communication that requires conversion of the mini Din to a DB 9 or a DB 25 Blocks that count data to sequence the ink jet firing Dividing of the plotting area into units convenient for the plotting application Points which have been assigned user unit values in the SC instruction These points define the user coordinate system mapped into the area defined by P1 and P2 An interface type which uses a single data line to transfer all data bi
181. hese have been set at the factory to a specific torque DO NOT tighten or loosen this screw CADJET 2 and nut at any time See Figure Chapter 5 25 Remove the Right Side Plate See Figure Chapter 5 25 Be sure to disconnect the Power Cable Ground from the inside of the Right Side Plate Remove the Display Assembly See Section 6 1 Remove the Left and Right Rollguides from the back of the Platen Remove the Trailing Cable Cover Remove the Power Supply See Section 9 1 Remove the Servo Motor See Section 5 1 Steps 4 9 Clean and remove the entire Service Station See Chapter 3 Section 4 0 for cleaning procedure and Chapter 5 Section 7 1 for the removal procedure Go to Section 11 2 below 5 57 Disassembly Assembly DOSEN LO VOL gt SCREW AND NUT e e 1 RIGHT ROLLGUIDE SUKL REMOVE THES CREWS SEMBLY IS NOT TO BE SIDE PLATE RIGHT SIDE PLATE CAUTION NOT TIGHTEN OR LOOSE THIS SCREW AND NUT Figure Chapter 5 25 Disassembly of Plotter Prior to Removing the Inner Platen Parts 5 58 CADJET 2 Disassembly Assembly 11 2 Removing the Inner Platen Parts When you remove the Lower Drive Assembly make sure that the Lower Rollers do not catch on any of the openings screws or cap nuts inside the P
182. hey must be ordered separately 7 8 CADJET 2 Replacement Parts List 3 3 5 Unique Parts Alphabetical DESCRIPTION PART ANGLE TRAILING CABLE 203800 3 ASSY LEGS AND BASKET 4 irre trite 205174 ASSY S m va cog iska kasuku aha 204917 1 ASSY STABILIZER BRACKET SERVICE 204550 ASSY TOP COVER S GO aids iste hist 204367 7 BELTS RIB YO ass pap EEN 203230 BOX PLOTTER CADJET 203479 2 203448 PLATEN MACHINED CADUET 2 204847 he BLD ae eee a 204007 2 NOTE Note If you are ordering the Assy Top Cover the Stop Retracting P N 204246 and the Spring Compression P N 202010 are not included They must be ordered separately CADJET 2 7 9 Replacement Parts List 4 0 Alphabetical Listing with Drawings 41 Drawings Parts Used in both D Size and E Size Figure Chapter 7 1 Assy Bracket Drive Shaft P N 204916 left bracket w bushing TRAILING CAB NOT INCLUDE Figure Chapter 7 2 Assy Carriage P N 204854 7 10 CADJET 2 Replacement Parts List OUT
183. hic created by geometric lines HP GL and HP GL 2 files are vector files The time rate of linear motion in a given direction Commonly referred to as speed 2 General Information Chapter 1 GENERAL INFORMATION 1 1 TOC MIPOGUCHOM oca 1 1 2D OWVOIVIEM de a LE MILL M ale at CM 1 2 2 1 Related Publications et ette HE o enfe 1 2 2 2 Features of this Service 2 00 0 1 3 2 2 A SSUBIOCUACAGINGS Qu m o tto AR UD tt e 1 3 2 2 2 Figures and Tables bee teed arre 1 3 2 2 3 Manual 4 44 0 0000 enne nnne 1 4 3 0 ENCAD Technical Support amp 1 5 4 0 Media Sizes and Plotting 0 1 6 5 0 General Product Notes es Dose eee dee ete eel 1 9 6 0 Plotien Features g o A D Qa a eM E 1 10 7 0 Plotter Specifications 1 14 8 0 Line Length Accuracy c eese opta Ete 1 15 ca tiers cacao A 1 16 10 0 Acronyms and nennen 1 18 0 OSS peri rane 1 19 TABLES Table 1 1
184. ht end of the Platen 2 Place the Fan Assembly under the Lower Drive Shaft beside the right Lower Drive Gear Make sure that the Fan Assembly wires face the right end of the Platen and the opening in the Fan Assembly faces the left end of the Platen 3 Lay the Stepper Motor Assembly on the palm of your right hand and use your fingertips to hold up the Fan Assembly as you push the Lower Drive Shaft into the Platen While inserting you must lift the Fan Assembly over the cap nuts on the inside of the bottom of the Platen and make sure you do not strike the Lower Rollers or the Gear on the Lower Drive Shaft against the screws cap nuts or openings in the Platen 4 Align the right Lower Drive Shaft Support with the screw holes and insert the screws Using a 2 6 or 8 Phillips screwdriver tighten them slightly 5 Insert the middle Lower Drive Shaft Support through the Snap Plug opening see Figure Chapter 5 26 align it with the screw holes and insert the screws Using a 2 6 or 8 Phillips screwdriver tighten them slightly 5 66 2 Disassembly Assembly 6 Insert the left Lower Drive Shaft Support in the left end of the Platen so that the shaft goes through the brass bushing in the support The support should be oriented in the same manner as the support which is by the Stepper Motor See Figure Chapter 5 26 Align it with the screw holes and insert the screws Using a 2 6 or 8 Phillips screwdriver
185. iage parked at the Service Station Make sure that the Cartridges are properly capped in the Service Station When you are ready to use the plotter again you may need to run the PRIME plot several times You may need to refer to the procedures above in Section 6 1 Initial Installation of Cartridge and in Section 6 2 Cleaning Cartridges if the PRIME plot is unsatisfactory If the Cartridges are removed for an extended period of time 1 Blot the ink off the nozzle plate area the nozzle plate area must be completely dry or the protective tape will not stick Put the protective tape back on the Cartridge and return the Cartridge to the original container Place the container in a plastic bag with the jets facing up so that ink won t drain or leak out causing clogging Store the Cartridge in a closed area desk or storage cabinet at room temperature for best results Keep the Cartridge out of direct sunlight and away from heating or air conditioning vents They can also be stored in a refrigerator After stored Cartridges are reinstalled follow the procedures above in Section 6 1 Initial Installation of Cartridge Refilled Cartridges ENCAD does not recommend or support the use of refilled Cartridges CADJET 2 Maintenance 7 40 Upper and Lower Rollers Do not use alcohol or any other cleansers to clean the Upper and Lower Rollers Use only distilled water and a lint free cloth NEVER attempt to clean the
186. icates right to left movement If you multiply Encoder units per millisecond by 1 000 and divide by 600 the result is inches per second The first number shows the current stopped time STOP MAX DISABLE This will usually be zero unless there has been a 0 290130 failure Carriage Axis Failure The second number is the maximum amount of time in milliseconds that an error will be allowed to continue past the time at which the threshold PWM was reached before the unit shuts down The third number is usually at zero unless a function is being performed such as cutting the paper during which the shutdown criteria are disabled 4 12 CADJET 2 Troubleshooting If an error occurs this display provides information ERROR CMD POS which shows the type of error It also shows the EN command and Encoder position where the error occurred If you have an unexplained error and need to call ENCAD s Technical Support department this display can give the technician more information to enable the error to be diagnosed Displays how long the plotter has been turned on XX XX XX Records the time used on plotter XX XX XX 4 1 2 Information Print Settings This option prints all eight stored User Settings INFORMATION Media must be loaded in order to print them PRINT SETTINGS CADJET 2 4 13 Troubleshooting I SERVICE DIAGNOSTICS DIAGNOSTICS PAPER SENSOR DIAGNOSTICS SERIAL PORT DIAGNOSTICS PARALLEL POR
187. igure Chapter 4 5 below For the purposes of this procedure you will not need to be concerned with the two rows of numbers and the colored lines printed above the Black diagonal line Each section of the Black diagonal line corresponds to one jet on the Black Cartridge The numbers below the Black diagonal line are read from right to left and from top to bottom for two and three digit numbers to identify each jet For example beginning with the bottom row of numbers and reading from the right side of the plot jet number 1 is the portion of the diagonal line between the numbers 1 and 2 jet number 2 is the portion of the diagonal line between numbers 2 and 3 and jet number 9 is the portion of the diagonal line between numbers 9 and 10 See the sample in Figure Chapter 4 5 below Jet 9 Jet 2 Jet 1 1 0 9 8 7 6 5 4 3 2 1 Figure Chapter 4 5 Sample of Black Cartridge Diagnostics Test If any jets are not firing the section of the diagonal line for that jet will be missing If any jets are not firing that is there are gaps in the diagonal line go on to Section 11 10 3 Black Cartridge Flex Test below 4 50 CADJET 2 Troubleshooting 11 10 3 Black Cartridge Flex Test The purpose of this test is determine whether the flex on the Black Cartridge is OK In order to perform the Black Cartridge Failure Test you will need a 9 Volt Battery plus the necessary probes and resistors and either an LED or an Ohm Met
188. ill not be used 3 Load a sheet of E Size paper and adjust Rollers 3 2 and 1 following the directions in Section 8 4 CADJET 2 6 29 Calibration 8 2 Mounting Screw Information NOTE Note Read everything Section 8 2 before beginning Section 8 4 Make sure you understand this material before you proceed to Section 8 4 1 The torque requirements for the Upper Roller Support mounting screws is 3 In Lbs 0 5 2 Turning the mounting screw clockwise will tighten the screw Turning the mounting screw counterclockwise will loosen the screw 3 Figure Chapter 6 6 shows the Upper Roller Support and the mounting screws You must stand behind the plotter in order to adjust the mounting screws on the Upper Roller Supports RBULLER A j x PINCH ROLLER ASSEMBLY N 7 4 M LEFT MOUNTING SCREW RIGHT MOUNTING SCREW RIENTATION STANDING BEHIND THE PLOTTER FACING THE BACK OF THE PLOTTER Figure Chapter 6 6 Upper Roller Support and Mounting Screws 6 30 CADJET 2 CADJET 2 Calibration If the mounting screw on the right side is loosened turned counterclockwise the roller will move to the left If the mounting screw on the left side is loosened turned counterclockwise the roller wi
189. ing PRIME nnne nennen nnns 6 39 10 0 XY GalibratiO M s MET RD PES 6 43 10 1 Calibrating the Y Axis Carriage Axis or Horizontal Axis 6 44 10 2 Calibrating the X Axis Paper Axis or Vertical Axis Calibration 6 46 11 0 lt eee 6 47 11 1 Slow Deadband Calibration 6 48 11 2 Fast Deadband Height Calibration 6 50 11 2 1 A Adjusting Fast Deadband Vertical Lines All and Vertical Lines One 6 51 12 0 Cartridge Calibration Horizontal and 6 53 12 1 Adjusting the Horizontal Head to Head Calibration 6 55 12 2 Adjusting the Vertical Head to Head Calibration 6 56 13 0 Color Deadband Calibration ccc tse eh decks tes 6 57 13 1 Adjusting the Color Deadband Value 6 58 14 0 Line Quality Plot Computer 6 60 CADJET 2 xvii Table of Contents 7 REPLACEMENT PARTS LIST 1 0 2 0 3 0 4 0 xviii A complete listing numerical alphabetical and illustrated alphabetical of all field replaceable part
190. ing the Trailing Cable o ao ur ede e i equi qiu 5 43 8 6 Reinstalling the Trailing 044 001 111 5 45 8 7 Removing the Carriage Belt from Carriage Assembly 5 48 8 8 Installing the Carriage Belt on Carriage Assembly 5 49 9 0 Power Supply and ON OFF xc cco estes i to ERR 5 50 9 1 Removing the Power Supply and ON OFF Switch 5 50 9 2 Installing the Power Supply and ON OFF Switch 5 51 10 0 Stabilizer Bracket and Encoder 5 52 10 1 Removing the Stabilizer 2 5 53 10 2 Reinstalling the Stabilizer 5 54 11 0 Lower Drive Assembly Fan Assembly and Stepper Motor Assembly Inner Plate A ae tee HEN 5 56 11 1 Disassembly of Plotter Before Removing the Inner Platen Parts 5 57 11 2 Removing the Inner Platen 4 5 59 Wied Stepp r ER ER UE EISE UE Ri 5 63 11 3 1 Removing the Stepper aii 5 63 11 3 2 Reinstalling the Stepper 5 65 11 4 Reinstalling the Inner Platen Parts 5 66 11 5 Reassembly of Plotter After Reinstalling the Inner Platen
191. intenance of Unit Slide Shaft Service Station Encoder Strip Cartridges and Rollers mmn 3 1 External et Aa ede 3 2 Slide Shaft Maintenance 3 3 Service Station 2 2 2 444 3 5 Encoder Strip Maintenance x 3 6 Ink Cartridge Maintenance On 3 7 6 1 Initial Installation of Cartridges 3 7 6 2 Cleaning Cartridges 3 9 6 3 Other Causes of Misfiring 3 11 6 4 Storage of Cartridges During Extended Periods of Inoperation 3 12 6 5 Refilled 3 12 Upper and Lower Rollers aar ial ot ERES 3 13 CADJET 2 ix Table of Contents CHAPTER4 TROUBLESHOOTING 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 Chart of problems and solutions with detailed action steps and cross reference information Service Menu information Keypad functions and messages Plotter initialization sequence Plotter error message descriptions Operation problems cree DECISION EOGIG Tables rrr Ee o RH Rer HR UE 2 1 Procedure for Using Decision Logic 2 2
192. ion allows the user to minimize these variables 1 Begin at the following display MAIN MENU UTILITIES 2 Press SELECT The display will read UTILITIES CALIBRATION 3 Press SELECT The display will read CALIBRATION CARTRIDGE CADJET 2 6 53 Calibration 6 54 4 Press SELECT The display will read CALIBRATION HORIZONTAL 0 The plotter will begin printing three sets of color line patterns see the CADJET 2 User s Guide Appendix for samples of these patterns a CURRENT HEADS The first pattern shows the horizontal vertical values of the heads The heads are properly aligned when the colored s line up horizontally and vertically with the black alignment marks COLOR HORIZONTAL HEAD TO HEAD CALIBRATION The second pattern is used to align the two Cartridge heads horizontally The number below each set of lines represents an alignment value COLOR VERTICAL HEAD TO HEAD CALIBRATION The third pattern is used to align the two Cartridge heads vertically The number below each set of lines represents an alignment value CADJET 2 12 1 CADJET 2 Calibration Adjusting the Horizontal Head to Head Calibration If adjustment is required for horizontal Head to Head adjust the values as follows With the display set at CALIBRATION X current alignment value HORIZONTAL X press SELECT and then the UP ARROW or DOWN ARROW to select the alignment value matching the best horizontal alignment
193. isplay the current user s User Settings go to MAIN MENU press SELECT to print all 8 stored User Settings press MENU three times to return to MAIN MENU UTILITIES USER SETTINGS to change the User Settings If media is already loaded all 8 User Settings will print SPEED SLOW press UP ARROW to return to MAIN MENU PRINT MODE ress MENU to retum to SERVICE INFORMATION SPEED FAST press SELECT press SELECT If no media is loaded the following will be displayed draws PRIME pattern press UP or DOWN ARROWS to change value bress DOWN ARROW press DOWN ARROW press SELECT then DOWN ARROW INSERT MEDIA 4 ROM REVISION PRINT DIRECTION PRESS LOAD KEY DIAGNOSTICS After media is loaded all 8 User Settings will print bress DOWN ARROW bress DOWN ARROW press MENU to return to SERVICE INFORMATION press SELECT 0 to 1 000 000 500 recommended draws 5 sets of 3 parallel lines press SELECT RELEASE INFO PRINT COLOR press DOWN ARROW press UP or DOWN ARROWS to change value REV 1 50 ROM press SELECT to run test NAVIGATING THE MENU press MENU then DOWN ARROW after test press SELECT XX XX XX press DOWN ARROW press DOWN ARROW Press any of the four LCD keys to wake up the plotter The plotter will wake up at the MAIN DIAGNOSTICS MENU level and at the first MAIN MENU PRINT MODE TOTAL MEMORY FIRING RATE COLOR TEST 10 25 35 50 65 75 100 PAPER MOTOR BYTES 5000 press SELECT press SELECT Press the arrow keys
194. itialization sequence is complete and the plotter will wait for user input or action If the sequence is interrupted and is not completed or if any error messages are displayed refer to the Decision Logic Tables in Section 2 2 of this chapter for corrective action When the plotter is not used for seven minutes it will go into sleep mode Pressing any key or sending data to the plotter will wake it up CADJET 2 Troubleshooting 9 0 RS 422 RS 232 Error Messages The following error messages can appear as result of communication problems Reference Section 11 3 1 for the Parallel Interface and Serial Interface Loop Back Tests ERR 0 No error has occurred ERR 10 Output instruction received while another output instruction is being executed The first is executed while the next instructions are ignored ERR 11 Invalid byte received after the first three characters ESC in a device control instruction ERR 12 Invalid byte received while parsing a device control instruction The parameter containing the invalid byte and all following parameters are defaulted ERR 13 Parameter out of range ERR 14 Too many parameters received Additional parameters after the correct number are ignored ERR 15 A framing error parity error or overrun error has occurred ERR 16 Input buffer overflow This will result in the loss of data and probably an HP GL emulation error ERR 17 Baud rate mismatch ERR 18 error indetermi
195. izer Bracket 1 Attach the Stabilizer Bracket to the Y Arm with the three screws which go through the back of the Y Arm into the Stabilizer Bracket It is easier to do this if you first attach one end then the other end and then the center Put the screws down to the bottom of the slot in the Y Arm and use the 7 64 Hex Nut Driver to tighten them The exact positioning of the screws in the slot will be done later during the Carriage Height Adjustment in Section 6 2 of Chapter 6 2 Follow all the steps in Section 8 3 for reinstalling the Carriage Assembly through Step 17 The Trailing Cable Cover will be reattached later 5 54 2 CADJET 2 Disassembly Assembly Slide the Carriage Assembly back and forth a few times to make sure it moves easily Make certain that it travels easily all the way to the left end of the Slide Shaft so that the Left Cam Actuator engages the Cutter Once you have checked the movement of the Carriage Assembly go to Section 8 6 Steps 8 12 for the procedure for attaching the Trailing Cable to the tapes on the Stabilizer Bracket Reattach the Trailing Cable Cover Reattach the Left Side Plate and Left Cover Assembly See Section 8 4 Reinstall the Cartridges and the Top Cover 5 55 Disassembly Assembly 11 0 Lower Drive Assembly Fan Assembly and Stepper Motor Assembly Inner Platen Parts The Inner Platen contains the Lower Drive Assembly the Fan Assembly the Stepper Mot
196. jet Plotter This manual is written for service personnel who are experienced in analog and digital circuitry Chapter 2 the Theory of Operation should be read and thoroughly understood before attempting to troubleshoot or calibrate the plotter CADJET 2 supports both pre cut and roll media automatically determining the media size and setting the hardclip limits accordingly The CADJET 2 uses both a serial interface and the Centronics parallel interface It understands commands sent from the host computer in several forms including HP GL HP GL 2 and HP RTL Hewlett Packard Graphics Language 1 1 General Information Plotters draw according to instructions issued from a host computer Any plotter is engineered to understand a specific set of instructions and to execute each instruction in a precise manner In addition most plotters are designed to execute predetermined characters automatically without a specific line by line instruction from the program These characters are part of the 5 permanent memory 2 1 Related Publications The following publications contain additional information which may be useful in servicing the ENCAD Inc CADJET 2 Color Inkjet Plotter ENCAD Inc CADJET 2 User s Guide P N 205377 e ENCAD Inc CADJET 2 Troubleshooting Guide P N 205368 ENCAD Inc CADJET2 Supplies Reference Guide P N 205374 e ENCAD CADJET 2 Installation Guide P N 205367 This is t
197. ke sure the AC power cord is securely connected to the plotter and to a functioning AC outlet 2 Disconnect the Power Cable from the JP1 connector on the MPCB see Chapter 5 Sections 4 1 4 2 and check for voltage coming out of the Power Cable If there is voltage the fuse on the Power Supply is good If there is not voltage you need to check the fuse Step 3 below 3 Turn off power and disconnect the power cord Make sure the fuse on the Power Supply is good See Chapter 5 Section 9 0 Use only a 250 Volt 2 Amp Fast Blow fuse 5mm x 20mm Be careful not to mistakenly use a 32 Volt fuse 2 4 25 Troubleshooting 11 2 Plotter Slow to Initialize If the plotter takes an excessive amount of time 80 seconds or more to complete the initialization sequence 1 If any extra SIMMS has been installed a The SIMMS contacts may need to be cleaned Clean the SIMMS contacts b The SIMMS may be defective Replace the extra SIMMS if cleaning the contacts does not improve the performance See Chapter 5 Section 4 5 for the procedures for replacing the SIMMS performance is not improved after replacing the extra SIMMS the SIMMS socket may be defective In this case you must replace the MPCB See Chapter 5 Section 4 3 2 there may be a defective Flash EPROM on the Main Printed Circuit Board Because the Flash EPROM is soldered to the MPCB it is necessary to replace the MPCB Refer to Chapter 5
198. laten If the Lower Rollers catch on any of these items they can become damaged which would affect the Skew V CADJET 2 and make it necessary to replace the entire Lower Drive Assembly Refer to Figure Chapter 5 24 and Figure Chapter 5 26 during this procedure 1 2 Lay Platen on its back Use a flat screwdriver to pry out the Snap Plug on the bottom side of the Platen Using a 1 6 or 8 Phillips screwdriver remove the four screws on the bottom of the Platen which hold the Exhaust in place Insert your left hand into the opening for the Exhaust and hold the Fan Assembly in place while using a 2 6 or 8 Phillips screwdriver to remove the 3 flat head screws on the bottom of the Platen which hold the Fan Assembly in place Do not allow the screws to come out at an angle Lay the Platen on its bottom Using a 1 6 or 8 Phillips screwdriver remove the 4 black flat head screws which hold the left and middle Drive Shaft Supports in place There are two screws in the center of the Platen and two screws approximately three inches to the left of the left brass bracket See Figure Chapter 5 26 Note Don t remove the two screws holding the Stepper Motor Assembly until Step 9 See Figure Chapter 5 26 5 59 Disassembly Assembly MOVE 2 piu 2 S D L2 C 9 lt REMOVE 2 OWER DRIVE ASSY
199. le Handle the Trailing Cable with care Do not twist or turn the cable CAUTION NOTE Perform this procedure only if the Trailing Cable is being replaced If you are replacing only the Trailing Cable it is not necessary to remove the Carriage Assembly from the Slide Shaft 3 If you have already removed the Carriage Assembly from the Slide Shaft in order to replace the Carriage Assembly and you are replacing the Trailing Cable as well you will need to do only Steps 3 4 and 7 of this section The placement of the double sided tape which holds the Trailing Cable to the center of the Stabilizer Bracket is important for proper movement of the Carriage Assembly You may want to obtain P N 204142 Fixture Trailing Cable Tape Location which is used for the exact placement of both tapes when installing the Trailing Cable To accurately install the Trailing Cable on the tapes obtain P N 204483 Fixture Trailing Cable Location 1 Remove the Top Cover 2 Remove the Trailing Cable Cover from the back of the Y Arm Use a 5 16 Hex Nut Driver to remove the three nuts which secure it to the back of the Y Arm 3 Remove the Right Cover Assembly See Section 4 1 CADJET 2 5 43 Disassembly Assembly 4 5 44 Disconnect the Trailing Cable connector at the JP4 location on the MPCB Use the thumb and forefinger to pull forward on the connector lock and remove the Trailing Cable from the connector See Figure Chap
200. lines Shows draft normal quality or enhanced line resolution Shows choice of bi directional or uni directional jet firing Shows the method of printing including dots per inch Options are MONO 300X300 GRAY 300X300 COLOR 300X300 MONO 600X600 and GRAY 600X600 Shows the current speed at which the ink is fired onto the media 100 Hz increments from 3000 Hz to 10 000 kHz Troubleshooting The first number shows the currently recorded MAX PWM POSITION maximum PWM Pulse Width Modulator value which 54 0 is a value between zero and 255 The second number refers to the Encoder position where the error occurred There are 600 Encoder units per inch The third number is the maximum duration of time in milliseconds that the threshold PWM has been reached Shows the current PWM as last viewed You can go into this display while the plotter is running to view the S 205280041 power being applied to the Servo Motor The first number is a signed value positive or negative depending upon which direction the motor is going The second number is the threshold PWM which is always 245 in the current firmware version The third number tells the current state of the Carriage 0 stopped 1 accelerating 2 moving at constant speed and 4 decelerating The fourth number is the filtered velocity in Encoder units per millisecond negative number indicates left to right movement and a positive number ind
201. ll move to the right NEVER LOOSEN OR TIGHTEN BOTH MOUNTING SCREWS AT THE SAME TIME ON THE SAME UPPER ROLLER SUPPORT If you have loosened one of the mounting screws and the roller has moved and you need to move the roller in the opposite direction you must tighten that mounting screw BEFORE loosening the other screw to move the roller in the opposite direction When tightening the first screw turn it clockwise with the torque screwdriver until the maximum torque is reached Then loosen the other screw AGAIN NEVER LOOSEN OR TIGHTEN BOTH MOUNTING SCREWS AT THE SAME TIME ON THE SAME UPPER ROLLER SUPPORT It is extremely important that you maintain downward pressure towards the floor on the head of each screw at the same time as you tighten or loosen the screws Each screw must be completely at the bottom edge of its hole in the back of the Y Bracket If this is not done the Upper Roller Support will be perfectly level and will not perform its function properly Following all of the information in Section 8 2 precisely will ensure that the Upper Roller Support springs are deflected and the lower tail of the springs will always be pressed against the Y Arm s vertical wall without a gap as shown in Figure Chapter 6 7 Calibration 8 W DUNTING SCRE x W p PINCH ROLLER ASSEMBLY lt P PINC
202. may cause harmful interference to radio communications User Instructions If the equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Changes or modifications not expressly approved by ENCAD Inc could void the user s authority to operate the equipment Note This product was FCC certified under test conditions that included the use of shielded I O cables and connectors between system components To be in compliance with FCC regulations the user must use shielded cables connectors and install them properly ii 2 VDE Statement CADJET 2 Hiermit wird bescheinigt daB der CADJET 2 in Ubereinstimmung mit den Bestimmungen der BMPT AmstbIVfg 234 1991 funkentst rt ist Der vorschriftsm Bige Betrieb mancher Ger te z B MeBsender kann allergings gewissen Einschr nkungen unterliegen Beachten Sie deshalb die Hinweise in der Bedienungsanleitung Dem Zentralamt f r Zulassungen Femmeldewesen wirde dan Inverkehrbringen dieses Ger tes angezeigt und
203. mbly drops and hits hard on 5 62 the Platen the wires and or the Stepper Motor may be damaged 9 Using 1 6 or 8 Phillips screwdriver loosen but do remove the 2 black flat head screws which hold the Stepper Motor Assembly Hold the Stepper Motor Assembly with your right hand so it does not drop suddenly and use your left hand to finish unscrewing the two screws and remove them During Step 10 1 Make sure that the Lower Drive Gear the right end of the Lower Drive Shaft Assembly does not catch on the edge of the opening in the Platen Support the Lower Rollers so they do not catch on any of the openings screws or cap nuts inside the Platen If the Lower Rollers catch on any of these items they can become damaged which would affect the Skew and make it necessary to replace the entire Lower Drive Assembly Do not allow the Fan Assembly to drop as it comes out of the right end of the Platen 10 Reach into the Fan opening on the bottom of the Platen and use your fingertips to hold up the Fan Assembly so that it clears the openings screws and cap nuts on the inside of the Platen while simultaneously pulling the Stepper Motor Assembly and Lower Drive Shaft Assembly out of the right end of the Platen 11 Go to Section 11 3 below if the Stepper Motor Assembly needs to be removed Otherwise go to Section 11 4 CADJET 2 Disassembly Assembly 11 3 Stepper Motor 11 3 1 Removing the Stepper Motor
204. mes in order to obtain a satisfactory plot See Section 11 8 below for information about evaluating the PRIME plot If a satisfactory plot cannot be obtained refer to Table Chapter 4 5 above The Tri Color Cartridge does not have the ink level indicator on the front of the Cartridge Therefore the only option is to replace the Cartridge load media and run the PRIME plot It may be necessary to run the PRIME plot several times in order to obtain a satisfactory plot See Section 11 8 below for information about evaluating the PRIME plot If a satisfactory plot cannot be obtained refer to Table Chapter 4 5 above 2 Troubleshooting 11 8 PRIME Plot 2 Before printing and at regular intervals during printing the plotter wipes the ink cartridge jets at the Service Station The ink cartridge jets can still become clogged however especially with prolonged exposure to the air or with disuse Use the PRIME function to clear the jets and to check that the ink cartridges fire properly We recommend that you prime the Cartridges when they have not been used for a few days to ensure the best possible print quality When you press PRIME a test pattern is printed The test pattern consists of one wide band of black three thin bands of each color from the Tri Color Cartridge and a series of segmented sloping lines Each segment in the sloping lines represents one jet The bands should be smooth without dark stre
205. n 6 50 11 2 1 Adjusting Fast Deadband Vertical Lines All and Vertical Lines One 6 51 12 0 Cartridge Calibration Horizontal and 6 53 12 1 Adjusting the Horizontal Head to Head Calibration 6 55 12 2 Adjusting the Vertical Head to Head Calibration 6 56 13 0 Color Deadband Calibration iieri E HE EE RE HR EH 6 57 13 1 Adjusting the Color Deadband 6 58 14 0 Line Quality Plot Computer 6 60 6 64 CADJET 2 Calibration Figure 6 1 Upper Roller Supports Numbering Sequence 6 7 Figure 6 2 Inner Stand Off Screws and Turnbuckle 6 10 Figure 6 3 Carriage Height Measurement Fixture 6 14 Figure 6 4 Installation of Typical Black Cartridge 6 15 Figure 6 5 View of Carriage BO IG ott rre 6 23 Figure 6 6 Upper Roller Support and Mounting Screws 6 30 Figure 6 7 Correct Positioning of the Spring the Upper Roller Support 6 32 Figure 6 8 Te
206. n 10 Install a new Tri Color Ink Cartridge and a new Black 104 JET Cartridge following the procedures for Cartridge installation in the 2 User s Guide Do not ever wipe the ink Cartridges with any highly fibrous materials like tissues or paper towels The Service Station automatically wipes the ink Cartridges Note 1 When installing the Black Cartridge refer to Figure Chapter 6 4 sure that the Indexing Edge completely slides under the Carriage Overhang Hold the Cartridge down while pressing forward and keep pressure on the Cartridge while turning the lever up to lock the Cartridge into place Do not push either Cartridge down AFTER the lever has been turned up to lock the Cartridge into place When the lever is turned up the Cartridge will automatically be put into the desired position for the best contact with the Flex Cable 11 Press ACCESS CARTRIDGE The Carriage will automatically return to the Service Station Press MENU The display will read MAIN MENU PRINT MODE 6 40 CADJET 2 CADJET 2 Calibration 12 Press PRIME The plotter will fire the heads and plot the prime pattern Examine the pattern for the following problems e streaks or white lines within the color bands and or e gaps or fuzzy lines in the sloping horizontal lines If these conditions are present a prime the heads at least 3 times to make sure all inkjets are firing If the inkjets still misfire press
207. n ENCAD s bulletin board and through Internet ENCAD BBS 619 452 2653 or 619 452 3768 Internet WEB Page Address http www thegroup net encad CADJET 2 1 5 General Information 4 0 Media Sizes and Plotting Areas V The CADJET 2 plotter is designed to recognize specific standard media sizes by checking the narrow dimension of the media as it is loaded The Normal and Expanded Plot Areas depend upon whether Rollfeed media or Sheet media has been loaded The media sizes recognized by the plotter and the maximum plotting areas for Rollfeed media are listed in Table 1 1 The media sizes and maximum plotting areas for Sheet media are listed in Table 1 2 Note The Expanded setting for the Margins option expands the plot area and decreases the margins The current maximum plotting area may be viewed in the CADJET 2 keypad display by performing the following steps 1 Initialize unit and load paper 2 Press the UP ARROW five times until you see the following display MAIN MENU PAGE FORMAT 3 Press SELECT once to display PAGE FORMAT MARGINS NORMAL 4 Press the UP ARROW twice to display PAGE FORMAT PLOT AREA 5 Press SELECT to view the current maximum plotting areas CADJET 2 General Information Table Chapter 1 1 Media Sizes and Maximum Plotting Areas for Rollfeed Media Paper Size A 8 5 x 11 0 B 11 0 x 17 0 C 17 0 x 22 0 D 22 0 x 34 0 E 34 0 x 44 0 U S A 9
208. n the stepper motor winding The output of the D A converter varies in time to create a reference waveform This reference waveform is centered around 10V Motor current sense The voltage across a series current sense resistor is measured and level shifted so that it is centered around 5V Compare and control This portion divides the output of the reference waveform generator by two and compares it to the output of the motor current sensor Logic inside the gate array generates the control signals for the power driver that applies voltage across the motor winding in order to make the actual current match the reference waveform Power driver An H bridge allows the supply voltage to be applied across the winding in either polarity to drive the current to the desired value CURRENT m STEPPER DRIVER SENSE MOTOR Figure Chapter 2 3 Stepper Motor CADJET 2 Theory of Operation 3 12 Servo Motor MOTOR SERVO SERVO m CARRIAGE r DRIVER CONNECTOR MOTOR ENCODER CARRIAGE ed CONNECTOR MAIN PCB CADJET 2 Figure Chapter 2 4 Servo Motor The Carriage is driven by the Servo Motor The speed of the Carriage is controlled by varying the duty cycle of the power applied to the controller The microprocessor checks the position of the Carriage approximately 1 000 times per second during the ser
209. nate ERR 20 RS 422 RS 232 serial xtda xrda failure Occurs only with a loop back connector in test ERR 21 RS 422 RS 232 DTR or CTS test failure Occurs only with a loop back connector in test CADJET 2 4 23 Troubleshooting 10 0 RAM Error At Initialization a message of RAM HIGH or RAM LOW may appear for one of the following reasons 1 The most common cause of this message is the incorrect installation of any extra RAM SIMMS Refer to the removal and replacement procedures in Chapter 5 Section 4 5 and check the SIMMS installation if any extra RAM was installed on the plotter 2 The SIMM may be defective or not compatible with the plotter circuits The SIMM type needs to meet parity by 8 or 9 bits and the speed needs to be 70 nanoseconds or faster See the CADJET 2 User s Guide for information concerning the acceptable SIMMS sizes and the replacement procedure in Chapter 5 Section 4 5 of this service manual 3 The socket on the MPCB may be defective In this case replace the MPCB according to the procedure in Chapter 5 Section 4 3 4 24 2 Troubleshooting 11 0 Operation Problems The information in this section will help to solve a variety of operational problems which may occur with the CADJET 2 plotter Follow the procedures carefully Establish a logical procedure for troubleshooting by referencing the Troubleshooting Chart in Section 2 0 of this chapter 11 1 Plotter Does Not Turn On 1 Ma
210. nd 6 adjust Rollers 5 and 4 beginning with Section 8 4 1 After Rollers 5 and 4 are adjusted if you have an E Size model adjust Rollers 3 2 and 1 beginning with Section 8 4 1 Once all rollers are adjusted proceed to Section 9 0 CADJET 2 6 37 Calibration 8 4 4 Adjustment of the Mounting Screws Figure Chapter 6 12 shows how the motion rapid drifting to the right or to the left of the roller determines which mounting screw should be tightened in order to eliminate the motion of the roller so that the roller stays in the center of the shaft and or there is a gap when the Lower Roller is rotated forward note Note Pay attention to the orientation in Figure Chapter 6 12 IF ROLLER MOVES IF ROLLER MOVES RIGHT LEFI AND TOUCHES AND UCHES _ GAP RIENTATION STANDING BEHIND THE PLOTTER B FACING THE BACK THE PLOTTER B ALAS 2 HEN TIGHTEN THE THEN TIGHTEN THE LEFT MOUNTING SCRE RIGHT MOUNTING SCRE 1 2 TURN AT TIME 1 2 TURN AT TIME Figure Chapter 6 12 Motion of Rollers and Adjustment of Mounting Screws NOTE After the mounting screw has been tigh
211. nd of the Stabilizer Bracket Apply 2 pieces of 2 double sided tape to the Stabilizer Bracket Do not remove the top protective cover on the tapes yet Remove the fixture after the tapes are in place 2 Place the Trailing Cable on the Stabilizer Bracket 3 Route the right end of the Trailing Cable through the Right Side Plate see Figure Chapter 5 29 and connect the Trailing Cable connector at the JP4 location on the MPCB Be sure to slide both sides of the connector lock shut at the same time See Figure Chapter 5 6 if necessary 4 Connect the Trailing Cable to the J1 connector lock on the Carriage PCB Make sure the silver fingers on the Trailing Cable face up before inserting it into the lock See Figure Chapter 5 19 Slide both sides of the connector lock shut at the same time CADJET 2 5 45 Disassembly Assembly DOUB Figure Chapter 5 20 Positioning the Trailing Cable on the Stabilizer Bracket 5 46 2 CADJET 2 Disassembly Assembly Press the Trailing Cable down onto the double sided tape on the Carriage PCB Put the tie wrap down into the back hole in the Carriage PCB see Figure Chapter 5 19 feed it up through the front hole and put the end through the fastener Grasp the loose end of the tie wrap next to the fastener with the side not the point of a pair of needlenose pliers Turn the pliers away from the fastener in
212. nded for storage or shipment of printed circuit boards Note It is recommended that the plotter be removed from the stand and placed on a stable work surface on foam blocks for servicing 5 3 Disassembly Assembly 2 0 Tools and Equipment Figure Chapter 5 1 illustrates the CADJET 2 Hardware Kit Assembly which is listed in Chapter 7 Figure Chapter 5 2 illustrates the following tools which are recommended to disassemble and reassemble the plotter Torque Screwdriver 1 B6 Special Phillips Bit 1 Phillips Screwdriver 2 Phillips Screwdriver 2 Stub Phillips Screwdriver 1 8 x 6 Slotted Screwdriver 1 4 x 6 Slotted Screwdriver 11 32 Magnetized Nut Driver 5 16 Hex Nut Driver 7 64 Hex Nut Driver 1 4 Open End Wrench 1 4 Open Box End Angle Wrench Wire Cutters Needle Nose Pliers Angled Flat Reamer Straight Fork Tip Machinist Scriber Tweezers X ACTO Knife ESD Wrist Strap 4 1 2 x 1 x 1 32 Oil Hardened Precision Ground Flat Stock 4 1 2 x 2 piece of Translite media Fixture Trailing Cable Tape Location P N 204142 optional Fixture Trailing Cable Location P N 204483 optional Machinist Scriber should have one straight point and one 90 bent point The following materials also are required 5 4 Isopropyl Alcohol e Double Sided Tape 1 16 thick Q Tips e Loctite Blackmax P N 200172 Lint Free Cloth or Tissue CADJET 2 Disassembly Assembly
213. nditions for variable paper movement during plotting See Figure Chapter 1 5 PERFECT REFERENCE RECTANGLE ACTUAL OUTPUT U Pe 7 EN Ls L1 L X E N N Y PESE X MEDIA PERIMETER Ly Figure Chapter 1 5 Skew Given a specified rectangle Lw wide and L high the diagonal error L1 Lo defines the skew The maximum acceptable skew is EXAMPLE EQUAL 0 2 of L4 0 2 of Lo or 0 4 of L4 L2 If Lw 60cm L 80cm Then 1 should Lg 100cm Actual permissible skew L4 Lo 4 x 100cm 4cm or 0 157 inches CADJET 2 General Information NOTE Note 1 This method is the only method used to specify skew Other geometrical constructs may yield different results 2 Actual output is a function of the combined line length and skew errors and typically is a straight polygon whose four sides are not necessarily equal CADJET 2 1 17 General Information 10 0 Abbreviations A D ANSI ARCH ASCII AUTO BTU CAD CHG cm cm s CPU CTRL CTS d orA dB DC DPI DRAM DSR DTE DTR EAS ENQ FCC g gm GND HP GL HP GL 2 Acknowledge Analog to Digital American National Standards Institute Architectural Address Strobe American Standard Code for Information Interchange Automatic Briti
214. ne at a time in order to test the jet s You should see 36 4Q 1 0Q 2 0Q If you are testing another jet s that has a different ground and power pin move the probes to that ground and power pin and connect the 10K resistor to the appropriate address line s If the jet s tested shows the proper result you can assume that the flex is OK In that case return to Table Chapter 4 5 in this chapter for further instructions beginning with REPLACE CARTRIDGE IF NECESSARY in Action Number 6 2 Troubleshooting GND GNDS A7 NC p tn GNDS GND6 AS 6 9 5 GND aol e A4 L LJ GND1 Ale 2 13 Al pe Figure Chapter 4 7 Black Cartridge Flex Dimple Pattern 2 4 53 Troubleshooting 92 LOY 92 16 LOY 29 LL LOY 84 voy 04 LOY 01 80V Z GOW 2 80V 67 GOW 0S 80V SZ Sov 94 80 101 ZLW 12 60V 22 ZLY ZY me awed ow a ZLY 66 0 61 ELV 02 0V SP Ely 1 50240502222 5 20 21 81 LOW LLW SL 80 91 LLY LP LENIN ZOW 51 1 ZOW 6 ZLY OP 59 21 99 ZOW 16 ZLY 26 x 90V LL 0v
215. ned press SELECT You have just chosen the Slow Deadband value that best suits this plotter Record this value in Part 3 of the Calibration Worksheet If the alignment is still not satisfactory return to CALIBRATION SLOW DEADBAND 0 and press SELECT Do not choose any other values Record this value in Part 3 of the Calibration Worksheet 6 49 Calibration 11 2 Fast Deadband Height Calibration The FAST DEADBAND also called the HEIGHT CALIBRATION shows the region dependent Carriage height at 16 regions across the Platen with the values shown in mils or 1 1000s of an inch This value is displayed on both the menu and on paper 1 Press the DOWN ARROW once The display will read DEADBAND XX 2 Press SELECT The plotter will print two fast deadband patterns with the speed and height values in 16 regions in two consecutive rows The lower row of deadband will be printed at a slower speed than the upper row of deadband Therefore if the upper row segments are aligned and acceptable the lower row segments will also be as good or better in the alignment with each other Record this value in Part 3 of the Calibration Worksheet 6 50 CADJET 2 5 31 0 2 Calibration 11 2 1 Adjusting Fast Deadband Vertical Lines All and Vertical Lines One If the alignment is not satisfactory then a different DEADBAND number must be selected until a satisfactory result is achieved See Figure Chapter 6
216. nently installed on the Main Board The following SIMM sizes are supported 4MB 1 32 8 2Mx32 16MB 4 32 and 32MB 8Mx32 SIMMS must have an access time of 70 5 or less and conform to JEDEC Standard Number 21 C Release 4 or later Remove the Right Cover Assembly to install additional memory see Chapter 5 Section 4 5 for installation procedures Refer to the User s Guide for specifications and requirements EEPROM An 8K bit serial non volatile EEPROM stores calibration and configuration information It retains data while the unit is off Theory of Operation 3 10 Gate Array PARA STATIC RAM LLEL CATE SERVO MOTOR CARRIAGE PCB ENCODER STRIP Figure Chapter 2 2 Gate Array The gate array contains the hardware logic for dot firing monitoring changes in the Carriage position controlling DMA Direct Memory Access through the parallel port and generating the PWM Pulse Width Modulation waveforms for the servo The gate array is a Xilinx device It is a static RAM based field programmable gate array This means that the logic that it implements is determined by configuration information in internal RAM storage Each time power is turned on this information must be downloaded from the system ROM This type of gate array allows for the flexibility of upgrading the logic by upgrading the system softwa
217. on shows the speed dependent Carriage height at 16 regions across the Platen with the values shown in ZERO OR ONE This value is displayed on both the menu and on paper The plotter setup must be in the NORMAL mode to run deadband 1 Press MENU until the display reads MAIN MENU UTILITIES 2 Press SELECT The display will read UTILITIES CALIBRATION 3 Press the UP ARROW once The display will read UTILITIES SERVICE 4 Press SELECT amp the DOWN ARROW twice The display will read SERVICE CALIBRATION 5 Press SELECT The display will read 6 48 CADJET 2 CADJET 2 10 Calibration Press the DOWN ARROW three times The display will read SLOW DEADBAND X Load a sheet of D Size paper turned sideways along the 36 length Press SELECT The plotter will print several vertical lines in 16 regions See Figure Chapter 6 13 Each line consists of 3 smaller segments The speed values will also be printed for each region Look at the alignment of the center segments with the upper lower segments over all 16 regions If the 3 segments in each line across all the regions are not visually aligned press the UP ARROW once display will read SLOW DEADBAND 1 Press SELECT twice The plotter will print the deadband plot again Look at the alignment of the center segments with the upper lower segments over all 16 regions If the 3 segments in each line across all 16 regions are alig
218. or Assembly the Drive Shaft Supports and the Foam Block See Figure Chapter 5 24 These parts are referred to collectively as the Inner Platen Parts Although the Power Supply and ON OFF Switch are also inside the Platen for the purposes of this manual they are not included when a reference to the Inner Platen Parts is made FOAM BLOCK _ SERVICE STATION ASSEVBIY POWER SUPPLY CABLE LOW D ASSY STEPPER MOTOR BRACKET SERVICE AND STEPPER MOTOR ASSEMBLY AN ASSEMBLY SHAFT Y gt SNAP PLUG ASSY BRACKET DRIVE SHAFT a POWER SUPPLY POWER SUPPLY CABLE GROUND FOR ON OFF SWITCH AND POWER CABLE Figure Chapter 5 24 Inner Platen Parts 5 56 CADJET 2 11 1 Disassembly Assembly Disassembly of Plotter Before Removing the Inner Platen Parts Refer to the indicated sections of this chapter and Figure Chapter 5 25 as necessary during this procedure To obtain access to the Inner Platen Parts 1 Remove the Top Cover the Left Cover Assembly and the Left Side Plate See Section 8 1 Remove the Right Cover Assembly See Section 4 1 Disconnect all the connectors from the MPCB See Section 4 2 Remove the MPCB See Section 4 3 1 There is a screw and nut in approximately the middle near the top edge of the Left and Right Side Plates T
219. ot to cut the Trailing Cable See Figure Chapter 5 17 3 Unlock the Trailing Cable connector J1 on the Carriage PCB carefully pull the Trailing Cable away from the double sided tape and remove the Trailing Cable See Figure Chapter 5 17 5 34 2 Disassembly Assembly Figure Chapter 5 17 Trailing Cable Connector Lock on Carriage PCB CADJET 2 See Figure Chapter 5 12 While you compress the back of the Frame Tensioner with your left index finger use your right hand or the straight end of the Scriber to gently remove the Carriage Belt from the Servo Motor pulley Remove the Compression Spring from the Frame Tensioner and set it aside Push the Carriage Belt through the Frame Tensioner enough to remove the Idler Pulley Assembly from the Frame Tensioner and then set aside the Idler Pulley Assembly and the Frame Tensioner See Figure Chapter 5 18 for part names if necessary Use a 1 Phillips screwdriver to remove the plastic Cam Actuator from the left front side of the Y Arm See Figure Chapter 5 18 5 35 Disassembly Assembly COMPRESSION SPRING FITS OVER THIS PUSTA COMPRESSION SPRING LEFT CAM ACTUATOR FRAME TENSIONER CARRIAGE THIS NOTCH aio END OF THE Y ARM THIS NOTCH IN THE FRAME TENSIONER MUST FIT OVER N IDLER PULLEY ASSEMBLY SIDE WITH THICKER RING DF PLASTIC MUST FACE UP Figure Chap
220. otter character codes are enclosed in ESC 1BBPIN SP1 PA500 500 LBPLOTTER INTERFACE TEST OK CHR 3 SPO0 PAO0 0 PG The plotter should print out Interface Test OK Did the plot run correctly If YES the plotter and the computer are properly communicating If NO check the settings of the plotter interface Correct any settings cycle the power to the plotter and run the test again If the plot fails again have the interface cable and computer s interface card tested Run the Demo Plot from MAIN MENU DEMO PLOT on the plotter If the plot runs correctly the problem is not in the plotter 2 CADJET 2 Troubleshooting 11 3 1 Parallel Interface and Serial Interface Tests If communications problems exist with the parallel interface or serial interface a test of the plotter s internal parallel or serial interface circuits may be performed This Loop Back Test will verify that the parallel or serial communications circuits of the plotter are functioning correctly See Figure Chapter 4 3 This test requires the use of a Centronics plug for the parallel test or an 8 PIN plug for the serial test both made according to the directions in Figure Chapter 4 3 To perform the test proceed as follows 1 2 3 Remove the interface cable from the rear of the plotter Insert the plug into the interface connector Advance the menu on the plotter to the SERVICE DIAGNOSTICS display Press SELECT Press
221. oved in previous disassembly directions lt is recommended that you read through each procedure before beginning the removal or replacement Replacement parts are listed in Chapter 7 and may be ordered through the ENCAD Technical Support and Service Department see Chapter 1 Section 3 0 5 1 Disassembly Assembly V 5 2 Whenever components or parts are removed and replaced calibration of the plotter is necessary Refer to the Calibration Procedures in Chapter 6 Also refer to Chapter 1 Sections 8 0 and 9 0 for information on Line Length Accuracy and Skew Removal of the following parts will require complete hardware and firmware calibration after reassembly Servo Motor Assembly MPCB Carriage Assembly Carriage Belt Idler Tensioner Assembly Stabilizer Bracket Y Arm Assembly Slide Shaft Lower Drive Shaft Assembly Stepper Motor Fan Assembly Upper Roller Supports only the portions listed in Section 14 2 CADJET 2 CADJET 2 Disassembly Assembly Disconnect both the power cord and the interface cables before beginning any disassembly procedures Failure to do this can cause damage to the electronic components of the plotter and expose you to high voltage circuits and possible personal injury Integrated circuits can be weakened or inactivated by electrical discharge It is recommended that you be grounded to a static station by a wrist strap to prevent ESD damage Anti static bags are highly recomme
222. oving the Display 5 25 6 2 Reinstalling the Display Assembly 5 26 Service Station Assem Diy ie ote ton Rohr t de rte dieat 5 27 7 1 Removing the Service Station Assembly 5 27 7 2 Reinstalling the Service Station Assembly 5 29 CADJET 2 xiii Table of Contents CHAPTER 5 DISASSEMBLY ASSEMBLY continued 8 0 Left Cover Assembly Left Side Plate Carriage Assembly Trailing Cable and Cartage Bell RE a ea uiae a rS 5 30 8 1 Removing the Left Cover Assembly and Left Side Plate 5 30 8 2 Removing the Carriage Assembly 5 32 8 3 Reinstalling the Carriage Assembly 5 35 8 4 Reinstalling the Left Side Plate and Left Cover Assembly 5 40 8 5 Removing the Trailing Cable 5 41 8 6 Reinstalling the Trailing Cable 5 43 8 7 Removing the Carriage Belt from Carriage Assembly 5 46 8 8 Installing the Carriage Belt on Carriage Assembly 5 47 9 0 Power Supply and ON OFF 22 00404 0 5 48 9 1 Removing the Power Su
223. paper and measure the line that was drawn f the line is 21 00 0 05 long proceed to Section 10 2 below and perform the X Axis Calibration If the line is not 21 00 0 05 long press SELECT and then press the UP ARROW or DOWN ARROW until the displayed value matches the distance that you measured Press SELECT to save the new value Reload the paper The display will read ROLL OFF CUT ON SAVE MEDIA ON Press MENU Press SELECT Another 21 00 line will be drawn Press FEED MEDIA and DOWN ARROW to unload the paper Verify that the line length is correct Proceed to Section 10 2 and calibrate the X Axis CADJET 2 6 45 Calibration 10 2 Calibrating the X Axis Paper Axis or Vertical Axis Calibration 1 Load a sheet of D Size paper 24 side against the rollers The display will read ROLL OFF CUT ON SAVE MEDIA ON 2 Press MENU and UP ARROW The display will read CALIBRATION PAPER AXIS 3 Press SELECT The display will read PAPER AXIS LENGTH 33 00 4 The plotter will draw an upside down T on the top center of the paper will feed the paper into the plotter and will draw another T on the bottom center of the paper Unload the paper 5 Measure the distance between the horizontal lines from the top center to the bottom center The distance should be 33 00 0 05 If the distance is correct proceed to Section 11 0 and perform the Deadband Calibration If the distance is
224. per Sensor Value for that height The voltage at the Potentiometer Adjustment Test Point will vary slightly with temperature If the voltage is rechecked at a later time it does not need to be readjusted if it is in the range of 1 4 to 1 6 Volts 1 Perform the procedure in Appendix or Appendix for the firmware download During the download the Fan will come on During this time adjust the Paper Sensor Potentiometer 2 Adjust the Potentiometer on the Paper Sensor Harness Assembly using the flowchart in Table Chapter 6 2 below 6 24 CADJET 2 Calibration Table Chapter 6 2 Potentiometer Adjustment Flowchart Move the Carriage towards the left side of the Platen and center it between Upper Support Roller and 5 Turn the multimeter knob to voltage setting C200 Place the black probe of the multimeter in contact with the chassis ground Ihe parallel connector clips are a good ground location Place the red probe on Test Point shown in Figure 6 5 Read the multimeter voltage value If the value is within If the value is within 14 16 14 16 volts use the volts use a small 16 mm flat torque sealer CGLIPTALD blade screwdriver to turn the to seal the Potentiometer Potentiometer Adjustment Screw Adjustment Screw head to 15 volts nominal Measure the voltage If the value 15 within 14 16 If the value is within 14 1
225. pply and ON OFF Switch 5 48 9 2 Installing the Power Supply and ON OFF Switch 5 49 10 0 Stabilizer Bracket and Encoder 5 50 10 1 Removing the Stabilizer 5 51 10 2 Reinstalling the Stabilizer 5 52 11 0 Lower Drive Assembly Fan Assembly and Stepper Motor Assembly nner Platen Parts 5 54 11 1 Disassembly of Plotter Before Removing the Inner Platen Parts 5 55 11 2 Removing the Inner Platen 5 57 11 3 Stepper Motor acaso ct e crier fu reat etur aviso Stute te RN edad 5 61 11 3 1 Removing the Stepper 5 61 11 3 2 Reinstalling the Stepper Motor 5 63 11 4 Reinstalling the Inner Platen 5 64 11 5 Reassembly of Plotter After Reinstalling the Inner Platen Parts 5 67 12 07 Fixed Bla 5 70 12 1 Removing the Fixed Blade eade ten 5 70 12 2 Reinstalling the Fixed 5 71 xiv 2 Table of Contents CHAPTER 5 DISASSEMBLY AS
226. provides information about the User INFORMATION Settings There are two sub levels e INFORMATION DISPLAY SETTINGS and e INFORMATION PRINT SETTINGS 4 1 1 Information Display Settings INFORMATION This option displays only the current users User Settings changes can be made to the User Settings from the Service Menu Changes must be made in the USER SETTINGS level of the Main Menu DATE XX XX XX Current time and date settings in use TIME XX XX XX ROM REVISION Shows current CADJET 2 Revision Level CADJet V1 5xx RELEASE INFO Shows the release date of the current firmware REV 1 5xx ROM XXXXXXXX BYTES Shows the number of bytes available MEMORY CONFIG Shows buffer memory bank and raster memory JO 128K RAS 3M available EMULATE LANGUAGE Shows the Emulation Language in use The CADJET 2 is programmed for HP GL and HP GL 2 I U r 4 10 2 PRINT DIRECTION 93 E E zz Sz 2 gt 2 0 22 gt Se 5 OO 25 Do gt gt zo y lt gt 5 gt gt o gt 3 mA o m m m m 2 Troubleshooting Shows the number of bits per second that are transmitted or received Reports voltage fluctuations or memory chip failure Allows time for processing hardwire communication If DTR NORMAL Data Terminal Ready for information if DTR BYPASS data transfer start or stop is sent to the buffer via the transmit receive
227. r Load a D Size sheet with the 36 inch side against the upper rollers 5 Turn the computer on At the prompt type on the keyboard GO CJ2GS PLT CADJET 2 E Size plotters r GO CJ2GSD PLT for CADJET 2 D Size plotters 6 60 CADJET 2 CADJET 2 Calibration Press RETURN to send the plot file to the plotter The COMPUTER screen will show GO NJ PLT SENDING On the plotter the display will read PROCESSING K If the display does not show PROCESSING K the MPCB has FAILED the communication test Check to see if the parallel cable is the correct type and is connected If so perform diagnostics of the MPCB When the processing of the plot is successfully completed the Carriage will move to the left and the paper will be cut The Cutter must cut the full length of the paper in one pass and the Cutter Wheel must travel inside the Platen s groove freely and without any obstruction due to the adjusted position of the Carriage Assembly Slide Shaft If a Cutter malfunction is experienced call ENCAD s Technical Support and Service department see Chapter 1 Section 3 0 If no further adjustment is needed and the Cutter performs satisfactorily compare the plot against the Gold Standard plot sample for this plotter see Section 3 0 The plotter is now fully calibrated and ready to use 6 61 Calibration SERIAL SIZE E SOFTWARE REVISION PART 1 SLIDE SHAFT PROFILE ADJUSTMENT LEF
228. r from the 5 7 3 2 Replacing the Plotter on the Stand 5 9 3 3 Alternate Method for Securing Carriage Assembly and Fixed 2 5 10 Right Cover Assembly SIMMS and 5 11 4 1 Removing the Right Cover Assembly 5 11 4 2 Removing the MPCB Connectors 5 13 4 3 MPOB GE ORUM 5 15 4 3 1 Removing the MPCB 5 15 4 3 2 Reinstalling the MPCB 5 16 4 4 Reinstalling the Connectors 5 17 4 5 Extra Memory SIMM Uu pa a 5 18 4 5 1 Extra Memory SIMM Removal 5 18 4 5 2 Extra Memory SIMM Installation 5 19 4 6 Reinstalling the Right Cover Assembly 5 20 SEIVOMOIDE v dto dede M a ius 5 21 5 1 Removing the Servo Motor xc re eene 5 21 5 2 Replacing the Servo 5 24 Display Assembly uM A EM E IEEE 5 25 6 1 Rem
229. railing Cable with the silver fingers facing up through the top slot in the Right Side Plate 5 69 Disassembly Assembly TRAILING CAB SILVER FINGERS ROUTE THROUGH IN RIGHT ROUTE KEYPAD CABLE THROUGH THIS OPENING IN RIGHT SIDE PLATE FROM STEPPER ROUTE WIRE SERVO 2 MOTOR FAN AND Om SUPPLY THROUGH OPENING IN RIGH PLATE UNDER FLAT OF Figure Chapter 5 29 Routing of Wires and Cables on Right Side Plate and MPCB 5 70 CADJET 2 13 14 15 16 Disassembly Assembly Secure the MPCB to the Right Side Plate using three screws See Section 4 3 2 and Figure Chapter 5 29 Make sure the Trailing Cable is not pinched between the stand off and the MPCB Bring the Trailing Cable around the bottom of the MPCB and connect it at the JP4 connector Make sure the silver fingers face down when the Trailing Cable is inserted into the connector Route the Keypad Cable through the top left hole in the Right Side Plate Bring the Keypad Cable down around the flat edge of the MPCB beneath the J1 connector Connect the Keypad Cable at the J1 connector on the MPCB The silver fingers mus
230. re The XDONE signal is held low by the gate array and all its outputs are in a high impedance state until its programming is complete CADJET 2 3 11 CADJET 2 Theory of Operation Stepper Motor The media is driven by a Stepper Motor which drives the media in a direction perpendicular to the length of the plotter The media in the plotter can advance forward and backward depending upon the commands which the Stepper Motor receives from the microprocessor The Stepper Motor drive contains two identical circuits one for each winding of the stepper motor The circuit is a combination of two simpler types of circuits and can be thought of as a variation of either one The first is a switching power supply but in this case the current rather than the voltage is regulated Instead of output capacitors to filter voltage ripple output inductance in the form of the motor winding filters current ripple The other type of circuit is a bipolar chopper drive which is commonly used for driving stepper and servo motors In both cases the circuit has the additional feature that the reference varies with time so that a waveform is generated rather than a steady state signal 2 13 Theory of Operation Each circuit contains four main blocks see Figure Chapter 2 3 1 CONVERTER Reference waveform generator The microprocessor uses a D A digital to analog converter to set the desired level for the current i
231. rinter Firmware Upgrade Procedure 00000 B 1 APPENDIX C FINAL ASSEMBLY DRAWINGS 2 Color Inkjet Plotters D Size and E Size Final Assembly Drawings with Callouts CADJET 2 D Size Final Assembly 4 C 2 2 E Size Final Assembly 4 0112 C 4 APPENDIX D SCHEMATICS Schematics for the CADJET 2 Color Inkjet Plotters Boards Main PCB Assembly 9 pages Keypad PCB Assembly ue cee 1 page eria mico s 2 pages OE 1 2 Table of Contents FIGURES CHAPTER 1 GENERAL INFORMATION Number Figure 1 1 Figure 1 2 Figure 1 3 Figure 1 4 Figure 1 5 Title Page Front View Cover Closed 1 10 Front View Cover Open 1 11 Back VIEW terrane UHR MR rH E rd tere 1 12 Line Length Accuracy uen been eb bee keen aue 1 14 NE 1 15 CHAPTER 2 THEORY OF OPERATION Number Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 5 Figure 2 6 Figure 2 7 Title Page Major Functional Areas of the Plotter 2 5 C 2 12 Stepper
232. rts be replaced at the same time rather than just those that are worn or damaged This will ensure that all rollers have an equal amount of use time and wear You will need the 4 1 2 x 1 x 1 32 piece of Oil Hardened Precision Ground Flat Stock and also the piece of Translite media in the list of recommended tools and fixtures in Section 2 0 If you need assistance during this procedure call ENCAD s Technical Support and Service department See Chapter 1 Section 3 0 CADJET 2 5 77 Disassembly Assembly 141 Removing the Upper Roller Supports During the removal procedure especially Steps 5 6 7 and 8 you must be very careful not to damage the Lower Drive Assembly Rollers the Slide Shaft the Encoder Strip the Carriage Belt and the Trailing Cable The Upper Roller Supports and any tools used should not be allowed to come into contact with any of these parts Never attempt to repair and reuse the Upper Roller Supports once you have removed them Always replace them with new Upper Roller Supports 1 Remove the Top Cover Left Cover Assembly and the Left Side Plate See Section 8 1 2 Use the Hex Nut Driver 5 16 to remove the 3 nuts which secure the Trailing Cable Cover to the back of the Y Bracket and remove the Trailing Cable Cover 3 Depress the back of the Frame Tensioner see Figure Chapter 5 12 and slip the Carriage Belt off the Servo Motor Pulley The Carriage Belt only needs
233. rts List DOUBLE SIDED TAPE 2 TRAILING CABLE NOT INCLUDED DOUBLE SIDED TAPE 2 07 ENCODER STRIP DOUBLE SIDED 3M TAPEAN SIABILIZER BRACKE T NOT INCLUDED P N 204246 Z NOT INCLUDED COMPRESSION STOP RETRACTING CADJET 2 Figure Chapter 7 48 Assy Top Cover P N 204367 5 7 27 Replacement Parts List 7 28 Figure Chapter 7 49 Belt Ribbed P N 203903 Figure Chapter 7 50 Cable Trailing P N 203778 Figure Chapter 7 51 Platen Machined P N 204848 CADJET 2 Replacement Parts List lt Figure Chapter 7 52 Slide Shaft P N 204007 31 CADJET 2 7 29 Replacement Parts List 4 Drawings E Size Unique Parts Figure Chapter 7 53 Angle Trailing Cable P N 203800 3 The stand and basket assembly shown below is changing NOTE V Drawings of it were not available at the time of publication However the Part Number shown below is the Part Number for the NEW stand and basket assembly T gt Figure Chapter 7 54 Assy Legs Basket P N 205174 7 30 CADJET 2 Replacement Parts List DOUBLE SIDED TAPE 2 0 TRAILING CABLE NOT INCLUDED E DOUBLE SIDED TA
234. s CJ2GS PLT or CJ2GSD PLT see Required Documentation and Files Section 3 0 of this chapter If sub standard lines at various regions exist repeat Steps 1 7 above and change the numbers to a more acceptable value which will meet the line quality minimum acceptance criteria for Line Quality and White Space Continue as needed until the DEADBAND lines in NORMAL mode are showing a satisfactory deadband calibration If after 10 minutes and or a total of 8 trials of various values the minimum standard cannot be met stop and call ENCAD s Technical Support and Service department See Chapter 1 Section 3 0 10 Press MENU 3 times The display will read MAIN MENU UTILITIES CADJET 2 Calibration 12 0 Cartridge Calibration Horizontal Vertical Cartridge Calibration must be performed each time the nore Note 1 When plotting drawings with both color and black the Cartridges are removed or changed 2 If the plotting being done does not require any use of the Tri Color Cartridge Sections 12 0 and 13 0 can be skipped This procedure aligns the Tri Color Cartridge to the Black Cartridge Horizontal Calibration performs an adjustment between the nozzles of the Cartridges horizontally Vertical Calibration performs an adjustment between the nozzles of the Cartridges vertically Minute differences may occur between Cartridges due to Cartridge alignment in the Carriage Assembly The Horizontal and Vertical Calibrat
235. s against a flat surface When you do so check the number on the LCD The number on the LCD should read within the variance allowed from the Display Preset Number If it does not call ENCAD s Technical Support and Service department See Chapter 1 Section 3 0 6 12 CADJET 2 CADJET 2 Calibration Install the Carriage Height and Tilt Measurement Fixture P N 204278 See Figure Chapter 6 3 Unlatch the levers on the Carriage to make space for the insertion of the Linear Gauge Hold the Linear Gauge by the Cartridge body and insert it into the space by pressing it down until it makes contact with the bottom of the Carriage Holding the Cartridge body in position push the Cartridge towards the rear until its vertical wall completely bottoms out with the Carriage The Indexing Edge on the Cartridge should slide completely under the Carriage Overhang and you should hold the Cartridge down while pushing the Cartridge towards the back of the plotter Maintain pressure on the Cartridge while you turn the lever up to firmly position the Cartridge head against the Flex Cable and lock it inside the Carriage See Figure Chapter 6 4 which shows the procedure for installing a typical Black Cartridge 6 13 Calibration lt Lass HEAD 57 PROBE co c aJ y Q 1680 0005 CALIBRATED DISTANCE IN RELATION 7
236. s and assemblies for the CADJET 2 Color Inkjet Plotters udo Mem C 7 1 N merical Sse uu aaa S 7 2 2 1 Parts Used both D Size and E Size Numerical 7 2 2 2 D Size Unique Parts 44 7 4 2 3 E Size Unique Parts 2242221 7 5 Alphabetical IStng Her rr ERRARE 7 6 3 1 Parts Used in both D Size and E Size Alphabetical 7 6 3 2 D Size Unique Parts Alphabetical 7 8 3 3 E Size Unique Parts Alphabetical 7 9 Alphabetical Listing with Drawings sess 7 10 4 1 Drawings Parts Used both D Size and E Size 7 10 4 2 Drawings D Size Unique Parts 7 26 4 3 Drawings E Size Unique 224 21 7 30 CADJET 2 Table of Contents APPENDICES Procedure for downloading firmware to a CADJET 2 Color Inkjet Plotter which has a blank or corrupt Flash EPROM Emergency Firmware Download A 1 APPENDIX PRINTER FIRMWARE UPGRADE PROCEDURE Procedure for upgrading a CADJET 2 Color Inkjet Plotter to the newest version of firmware Flash EPROM is not blank or corrupt P
237. s two 1 1 2 vertical lines within each of the 16 regions in uni directional mode This option prints two 1 1 2 vertical lines within each of the 16 regions in bi directional mode This option prints 1 line of deadband across all 16 regions Troubleshooting 5 0 LED Keys Ready Media Out Ink Low Mono Color Offline Reset Access Cartridges Prime Cut Feed Media Load 4 18 Indicates that the plotter is on line Blinks when processing data or printing Indicates that the plotter is out of media Indicates that an ink cartridge has reached the Ink Low level set by user Indicates whether the plotter is set for monochrome or color printing Pressing Offline Reset once takes the plotter offline and allows you to load media replace cartridges clear paper jams perform other maintenance All plotter keypad and menu functions are available while plotter is offline The current plot continues when Offline Reset is pressed again To reset the plotter and clear the print buffer you press Offline Reset once use the UP ARROW to choose RESET YES and then press SELECT Moves the Carriage out of the Service Station Fires the Cartridges to help clear the inkjets Cuts roll media Interacts with display and arrow keys to move media forward or backward Loads and positions the media for printing READY EGET RESE Figure Chapter 4 1 LED Keys CADJET 2
238. sassembly Assembly D IN LB TORQUE POST 20 TEETH GEAR STEPPER MOTOR BRACKET PIVOT b x OILITE BUSHING LN RETAINER SPRING POST bd NSION SPRING 1 RIN Dex LOWER DRIVE ASSEMBLY Figure Chapter 5 28 Lower Drive Assembly and Stepper Motor Assembly 5 64 2 Disassembly Assembly 11 3 2 Reinstalling the Stepper Motor make sure that it has been reinstalled Press it into the bracket as far as possible There should be no gap between the bushing and the bracket nore If the Oilite Bushing came out of the Stepper Motor Bracket If you did not remove the Stepper Motor Bracket from the Lower Drive Assembly skip Step 1 If you are installing a new Stepper Motor Assembly the gear should have been on the shaft of the motor when you received the motor Be very careful when you install the Stepper Motor Assembly onto the Stepper Motor Bracket so that you do not damage the gears on the motor and the Lower Drive Assembly Overtightening the Pivot Screw Step 3 below can prevent the Stepper Motor from pivoting as intended DO NOT OVERTIGHTEN 1 If you are replacing the Stepper Motor put the Stepper Motor Bracket onto the Lower Drive Assembly and then put the Bowed Washer the Washer and the Retaining Ring on over the end of the Lower
239. ses system functions executes the plotter firmware manipulates data and controls input output data busses It has two built in serial ports a two channel DMA controller a timer module a clock generator and an on board chip select generator One serial port connects to the Mini Din connector which can be used to communicate with the host computer the other serial port interfaces to the Keypad Display module One DMA channel supplies data to the gate array for jet firing the other DMA channel is used to receive data through the parallel port or the serial port when using a high speed serial mode One timer generates a servo interrupt every millisecond the other is used for timing the Stepper Motor The phase locked loop PLL frequency synthesizer generates the 16 777MHz system clock from a 32768Hz crystal reference The chip select generator is programmed to generate chip selects at the appropriate addresses with the appropriate data size byte word and with the appropriate number of wait states 2 7 Theory of Operation 2 8 3 5 Start up Sequence Immediately after power up the following sequence of events takes place 1 System registers in the microprocessor are initialized This includes initializing the clock generator Prior to this the clock runs at about half its normal speed All LEDs are turned on and off The fan is turned off The display is initialized and the copyright message is displayed A checksum
240. sh Thermal Unit Celsius Computer Aided Drafting Change Centimeter Centimeter per second Central Processing Unit Control Clear to Send Differential Decibel Direct Current Dots Per Inch Dynamic Random Access Memory Data Set Ready Data Terminal Equipment Data Terminal Ready Eavesdrop Enable Signal Enquire Fahrenheit Federal Communications Commission Gravity defined as 9 82 m s2 or 32 ft s2 grams Ground Hewlett Packard Graphics Language older standard Hewlett Packard standard Graphics Language Hz INIT IP s ISO KB kHz LCD LED MANF MAX MB MIN mm MPCB PC PD PLL PROM PU PWM RAM ROM RTS RXD SG SIMM SRXD STXD TXD TXDO UART Vac Vdc Hertz cycles per second Initialize Inches per second International Standards Organization Kilobytes Kilo One Thousand Hertz Liquid Crystal Display Light Emitting Diode Manufacturer s Maximum Megabyte Minimum Millimeter Main Printed Circuit Board Personal Computer Pen Down Phase Locked Loop Programmable Read Only Memory Pen Up Pulse Width Modulation Random Access Memory Read Only Memory Ready to Send Receive Signal Ground Single Inline Memory Module Secondary Receive Secondary Transmit Transmit Transmitter Signal Data Output Universal Asynchronous Receiver Transmitter Volts Volts Alternating Current Volt Direct Current Watts CADJET 2 General Information ASCII AC
241. st for Minimum Acceptable 6 33 Figure 6 9 Visual Verification of Gap between Roller and 6 34 Figure 6 10 Paper Skew Acceptance Range for Rear Media Alignment Mark 6 36 Figure 6 11 Paper Skew Acceptance Range for Front Media Alignment Mark 6 37 Figure 6 12 Motion of Rollers and Adjustment of Mounting Screws 6 38 Figure 6 13 Deadband Alignment sec 6 47 Figure 6 14 Vertical Lines NAT e ener ees 6 51 Figure 6 15 Vertical Lines One 6 52 Figure 6 16 CADJET 2 Calibration 6 62 Table 6 1 Carriage Height Settings 2442222 6 16 Table 6 2 Potentiometer Adjustment Flowchart 6 25 CADJET 2 6 65 Chapter 7 REPLACEMENT PARTS LIST 1 00 Introduction CADJET 2 This chapter lists the part names part numbers for field replaceable parts and assemblies of the CADJET 2 Color Inkjet Plotter Section 2 0 is the numerical listing Section 3 0 is the alphabetical listing and Section 4 0 is an alphabetical listing with drawings Each section is subdivided as follows 1 Parts used on both the D Size and the E Size models 2 Parts used only on the
242. store and rasterize the complete file To reset the allocation go to the following menu MAIN MENU PRINT MODE Press the UP ARROW 4 times to go to MAIN MENU PRINTER SETUP Press SELECT Press the UP ARROW twice to go to MEMORY CONFIG gt Press SELECT to go to MEMORY CONFIG 1 0 128 RAS 1M CADJET 2 4 55 Troubleshooting Press SELECT Try increasing the amount of memory allocated to the by pressing the arrow keys Press SELECT to save the new values in memory Press MENU twice and the DOWN ARROW 4 times to return to the MAIN MENU PRINT MODE Run the file again If this does not resolve the MEMORY FULL problem when transferring plots additional memory must be added to the plotter refer to Appendix B of the CADJET 2 User s Guide or purchase ENCAD s Vector to Raster Conversion Utility Another solution may be to ask your software vendor for an HP RTL device driver HP RTL files don t require raster conversion by the plotter so memory is not an issue 11 12 Plotter Hesitates During Plotting Refer to the procedures in Section 11 11 in this chapter 11 13 Plot Appearance is not as Expected 4 56 1 Keypad commands were not saved by pressing SELECT after they were entered Reset the parameters and be sure to press SELECT after entering each parameter to save the commands 2 Plotter emulation mode is not set correctly Check to see that the proper mode is entered and save by pressing SELECT 3 Check to see
243. t 12 in Ibs with 7 64 Allen bit e Torque screwdrivers pre set at 3 in Ibs with PO Phillips bilts e Screwdriver 1 6 mm flat blade and GLIPTAL P N 200697 e IBM Compatible Computer 386SX 16 MHz 2 MEG OF RAM 40 MEG HD MINIMUM e Parallel Cable e Special firmware download Serial Cable P N 203977 6 2 CADJET 2 Calibration Ultrasonic Cleaner e Fixture Carriage Height Test Cartridge P N 204279 e Fixture Carriage Height and Tilt Measurement P N 204278 e Fixture Shaft Platen Profile Measurement P N 204171 e Linear Gauge Slim type LGB 110E code 542 232 MITUTOYO optional e Linear Gauge Counter LGm1E code 542 330 MITUTOYO optional e Display Unit code 572 031A MITUTOYO optional e Linear Gauge code 575 312 MITUTOYO optional e MITUTOYO User s Manual optional e Multimeter BECKMAN IND DM15XL or equivalent e Calculator magnifier and flash light NOTE Note A dial micrometer alignment gauge will be available shortly to replace the MITUTOYO system CADJET 2 6 3 Calibration 3 0 Required Documentation and Files The following documentation and files will be necessary in order to perform the procedures described in this chapter e Final Assembly Drawings refer to Appendix C of this Service Manual e 2 User s Guide e Emergency Flash ROM Boot Procedure refer to Appendix A of this Service Manual The files for this procedure are available the CAD
244. t Rags In A Box or equivalent See Chapter 3 Section 3 0 4 Remove the Trailing Cable Support 6 8 CADJET 2 6 1 V CADJET 2 Calibration Slide Shaft Profile Adjustment Note This procedure is for use with the MITUTOYO system A new dial micrometer adjustment gauge will be available shortly to replace the MITUTOYO system The purpose of this procedure is to verify the absolute height and profile of the Slide Shaft with respect to the Platen You will need the following Shaft Platen Profile Measurement Fixture P N 204171 MITUTOYO s Linear Gauge Slim type LGB 110E code 542 232 and MITUTOYO s Linear Gauge Counter LGm1E code 542 330 A copy of the CADJET2 Calibration Worksheet see Figure Chapter 6 16 which will be referred to as the Calibration Worksheet 1 Prior to performing any test park the Carriage on the Service Station 2 Holding the gauge in your hand push in this sequence the ZERO PSET and LOAD buttons on the display unit lt should read 1 5340 3 Install the Shaft Platen Profile Measurement Fixture on the Slide Shaft Make sure that the tip of the probe touches the Platen 4 Once the gauge is installed a b lift the gauge move it to the right and park it at the starting position aligned with the Inner Stand Off Screw see Figure Chapter 6 2 This will allow you to obtain the most stable reading Record the display s reading in the box marked
245. t face the back side of the plotter when the Keypad Cable is inserted into the connector Reconnect the Servo Motor wire Red and Blue to the J6 connector the Stepper Motor wire to the JP5 connector and the Fan wire Red and Black to the J5 connector Reference Figure Chapter 5 6 Reinstall the Trailing Cable Cover Reinstall the Right Cover Assembly Make sure that none of the harnesses or cables are pinched between the cover assembly and the Right Side Plate See Section 4 6 Reinstall the Left Cover Assembly and the Filler Block See Section 8 4 Steps 2 6 Reinstall the Top Cover The entire plotter is now reassembled CADJET 2 5 71 Disassembly Assembly 12 0 Fixed Blade 12 1 Removing the Fixed Blade These instructions are given even though it is very unlikely that the Fixed Blade will ever need to be replaced 1 Parkthe Carriage Assembly at the Service Station and disconnect the power 2 Use a flat tip screwdriver or the Machinist Scriber to remove the Fixed Blade Pry up gently on one end of the Fixed Blade and carefully loosen it along the length of the Platen 3 If any of the Fixed Blade Spacers come loose when the Fixed Blade is removed reattach them according to the instructions in Section 12 2 below N Y DO FN 4 PLATEN BLACKMAX LOCTITE XED BLADE CLIPS 14 FOR E SIZE 10 FOR D SIZE FIXED BLADE SPACERS 2 15 FOR E SIZ
246. t w bushing POA s o cc LA Ua dea cM LE MANUAL SERVICE 204969 n ASSY ROLLGUIDE LEFT 204994 Due De prion pr ondas E LABEL SET identifies keys 2S FOAM BLOCK 4817 DET LABEL LOGO CADJET 2 205128 u te ASSY STEPPER MOTOR SERVICE includes Gear S05 ASSY HARDWARE CADJET 2 SERVICE 205350 ASSY STEPPER MOTOR BRACKET SERVICE right bracket w bushing or P N 204367 7 see Sections 2 2 or 2 3 the Stop Retracting P N 204246 and the Spring Compression P N 202010 not included They must be ordered separately note If you are ordering the Assy Top Cover either P N 204367 5 These parts make up the Idler Service Assembly If the whole assembly is being replaced you may order P N 203940 Assy ldler Service rather than ordering the individual pieces These parts make up the entire Display Keypad P N 203488 includes the Keypad PCB the Cover and the Keys it does not include the Keypad Cable or the Keypad Label If the Keypad Cable P N 205111 or the Keypad Label included in P N 204994 they must be ordered in addition to P N 203488 The 8 Stand Screws P N 203485 are not included in the Assy CADJET 2 Hardware Kit P N 205188 Also not included in the Hardware Kit are the 4 long Stand Screws P N has not yet been determined which are 1 4 x 20 x 2 5
247. tened to the maximum torque setting available on the screwdriver if the roller still moves rapidly and touches loosen the other mounting screw to gain more adjustment range Once you have completed the adjustment of Rollers 8 7 and 6 adjust Rollers 5 and 4 beginning with Section 8 4 1 After Rollers 5 and 4 are adjusted if you have an E Size model adjust Rollers 3 2 and 1 beginning with Section 8 4 1 Once all rollers are adjusted proceed to Section 9 0 6 38 CADJET 2 Calibration 9 0 Plotting PRIME Pattern In preparation for plotting the PRIME pattern and for performing the Electrical Calibration procedures do the following 1 The plotter should already be powered up and you should be at or if necessary go to the following display MAIN MENU PRINT MODE 2 Press the DOWN ARROW once The display will read MAIN MENU UTILITIES 3 Press SELECT The display will read UTILITIES CALIBRATION 4 Press the DOWN ARROW The display will read UTILITIES OPTIONS EASY 5 Press SELECT and immediately press the UP ARROW The display will read UTILITIES OPTIONS ADVANCED 6 Press SELECT and MENU The display will read MAIN MENU UTILITIES CADJET 2 6 39 Calibration 7 Press the UP ARROW until the display reads MAIN MENU PRINT MODE 8 Load D Size paper with the 36 side up against the rollers on the Platen 9 Press ACCESS CARTRIDGE The Carriage will move out of the Service Statio
248. ter 5 18 Left End of Y Arm 8 Move the Carriage Assembly to the left end of the Slide Shaft and remove it from the Slide Shaft 9 Place the Carriage Assembly in an ESD anti static bag in preparation for shipment to ENCAD for replacement or repair or if it is to be stored for repair at your facility NOTE Note 1 If the Trailing Cable needs to be replaced see Section 8 5 2 If the Carriage Belt needs to be replaced see Section 8 7 5 36 CADJET 2 Disassembly Assembly 8 3 Reinstalling the Carriage Assembly NOTE Note Make sure you clean the Slide Shaft before installing the Carriage Assembly You may use Isopropyl Alcohol to clean it Be sure it is dry before installing the Carriage Assembly Never use Isopropyl Alcohol to clean the brass bushings on the Carriage Assembly Use only a dry cloth When you slide the Carriage Assembly onto the Slide Shaft make sure that the Encoder Strip fits into the slot in the Slider and the Encoder which are on the Carriage PCB 1 Make sure the left end of the Trailing Cable extends out beyond the left end of the Stabilizer Bracket 2 Slide the Carriage Assembly onto the left end of the Slide Shaft making sure that the Encoder Strip fits into the slot in the Slider and the Encoder on the Carriage PCB Use your right index finger to guide the belt as you slide the Carriage Assembly from left to right on the Slide Shaft 3 Move the Carriage Assembly to the left end of the
249. ter 5 6 if necessary Use wire cutters to cut the tie wrap holding the Trailing Cable on the Carriage PCB careful not to cut the Trailing Cable See Figure Chapter 5 17 Unlock the Trailing Cable connector J1 on the Carriage PCB carefully pull the Trailing Cable away from the double sided tape and remove the Trailing Cable See Figure Chapter 5 17 Pull the Trailing Cable away from the double sided tape on the Stabilizer Bracket Remove the Trailing Cable from the plotter unit CADJET 2 Disassembly Assembly 8 6 Reinstalling the Trailing Cable Make sure that the silver fingers on the Trailing Cable face up before inserting the Trailing Cable into the J1 connector lock See Figure Chapter 5 19 The placement of the double sided tape which is the center of the Trailing Cable is important for proper movement of the Carriage Assembly You may want to obtain P N 204142 Fixture Trailing Cable Tape Location which is used for the exact placement of both tapes when installing the Trailing Cable and P N 204483 Fixture Trailing Cable Location which is used to accurately install the Trailing Cable 1 See Figure Chapter 5 20 during this procedure Place P N 204142 Fixture Tape Trailing Cable Location flat on the Stabilizer Bracket so that the two cutouts are facing you and the right end of the fixture fits over the left edge of the approximately 2 inch cutout at the right e
250. that the proper driver is installed and selected CADJET 2 Troubleshooting 11 14 Plots are Cut Off 2 1 Check the setting of the MARGINS option the PAGE FORMAT menu When MARGINS is set to NORMAL the default the plot area is smaller than when MARGINS is set to EXPAND Try setting the MARGINS option to EXPAND to make the plot area larger See Chapter 1 Tables 1 1 and 1 2 of this Service Manual for the Normal and Expanded plot areas for the different media standards Check the defined plot area for the loaded media by selecting the PLOT AREA option in the PAGE FORMAT menu The plot area is defined by the width of the loaded media by the setting for the MARGINS option and by the selected MEDIA STANDARD in the PAGE FORMAT menu see explanation in the previous paragraph If the plot area displayed by the PLOT AREA option is not large enough for the image to be printed try loading wider media See Chapter 1 Tables 1 1 and 1 2 of this Service Manual for the plot areas for the different media standards The plotter may not have correctly sized the media Use the MANUAL LOAD option to load the media See Manual media loading in Chapter 2 of the CADJET 2 User s Guide You also want to refer to Section 11 5 4 in this chapter for further assistance 4 57 Troubleshooting 11 15 Plotter is Noisy 1 Noisy operation may be caused by a dirty Slide Shaft Refer to the Slide Shaft Maintenance
251. the 1 8 6 Slotted screwdriver between the front of the Y Arm and the back rim of the Service Station Bottom and carefully turn the screwdriver to create enough space for the tip of the 1 4 x 6 Slotted screwdriver Turn the 1 4 x 6 Slotted screwdriver until the back of the Service Station Bottom pops out of the opening in the Platen Pull up slightly on the right end of the Service Station Bottom with the Machinist Scriber Push in with the 1 4 x 6 Slotted screwdriver on the front edge of the Service Station Bottom until the front tab clears the opening in the Platen Pull up with your fingers or with the Machinist Scriber on the right end of the Service Station Bottom while lifting up the left front edge of the Service Station Bottom with your 1 4 x 6 Slotted screwdriver until the Service Station Bottom is out of the Platen CADJET 2 Disassembly Assembly 7 2 Reinstalling the Service Station Assembly NOTE Note Be sure the bottom of the Service Station Assembly is oriented properly when reinstalling it See Figure Chapter 5 15 1 If the top of the Service Station Assembly is already in the bottom of the Service Station Assembly slide it out Make sure that the screw is in place in the bottom of the Service Station Assembly 2 Snapthe bottom of the Service Station Assembly into the Platen 3 Slide the top of the Service Station Assembly into the bottom of the Service Station Assembly and push
252. the DOWN ARROW once to go to DIAGNOSTICS SERIAL PORT display or press the DOWN ARROW twice to go to the DIAGNOSTICS PARALLEL PORT display Refer to the CADJET 2 Service Menu chart if necessary At either the DIAGNOSTICS SERIAL PORT display or the DIAGNOSTICS PARALLEL PORT display press SELECT and observe the display on the keypad If it displays RESULT ERROR the communications circuits communicating correctly and the Main PCB must be replaced If it displays RESULT OK then the communications circuits of the plotter are functioning correctly The interface problem is in the configuration of the plotter or in the parallel or serial interface cable or in the external circuits 4 29 Troubleshooting PARALLEL PORT LOOPBACK SERIAL PORT LOOPBACK Sita RXD4 44 BUSY 4 1 yp Y 4 AU 4 y Dy 00 AU Z JM D4 9 MINI DIN 98 LU UO PIRRIS INT D5 7 jJ SELECT 4 SELECTIN D 06 pp D3 D7 56 PIN CENTRONICS Figure Chapter 4 3 Parallel and Serial Loop Back Tests 4 30 CADJET 2 Troubleshooting 11 4 No Movement in the Carriage Axis 2 1 Is power applied to the plotter 2 Is the front panel display ON If NO If YES a Check the Keypad cable s connection J1 to the Main Printed Circuit Board Be certain that it is fully seated See Chapter 5 Se
253. the adjustment until satisfactory results are obtained Then proceed to Section 13 0 6 56 CADJET 2 Calibration 13 0 Color Deadband Calibration Tri Color Cartridge Section 13 0 can be skipped note Note If the plotting being done does not require any use of the The purpose of the Color Deadband Calibration is to adjust the color cartridge so that it prints the straightest lines possible 1 Press MENU twice The display will read UTILITIES CALIBRATION 2 Press the UP ARROW twice The display will read UTILITIES MANUFACTURING 3 Press SELECT and the DOWN ARROW The display will read MANUFACTURING COLOR DB 4 Press SELECT The display will read X CURRENT VALUE FOR YELLOW DB X YELLOW DB The plotter will begin printing two rows of four vertical lines black cyan magenta and yellow 1 2 long across the paper one segment at a time The black lines will appear thinner and straighter than the color lines The color segments should be as close to being a straight line as you can detect If the COLOR DB is acceptable record the value in Part of the Calibration Worksheet and proceed to Section 14 0 If it is not acceptable proceed to Section 13 1 CADJET 2 6 57 Calibration 13 1 Adjusting the Color Deadband Value When adjusting the COLOR DB values the value for each color is adjusted separately Usually a value of zero or one are the best values that can be selected for this calibration
254. ther Causes 3 11 6 4 Storage of Cartridges During Extended Periods of Inoperation 3 12 6 5 Refilled teneor ult 3 12 7 0 Upper and Lower qua x rb act ce 3 13 3 14 CADJET 2 Chapter 4 TROUBLESHOOTING 1 0 Introduction CADJET 2 These repair and replacement procedures intended for trained personnel Disconnect the power cord and remove the interface cables before fixing the plotter An electrical shock hazard may result if these procedures are not followed Never allow liquids to come in contact with the plotter electrical circuitry Failure to follow this procedure may result in an electrical shock hazard and damage to the plotter This chapter contains the CADJET 2 Decision Logic Tables DLT s Service Menu information instructions for using the Front Keypad and Side Panel keys and the actions to take when the operation of the plotter does not appear to be normal The Decision Logic Tables list possible remedies to various conditions of the plotter Information on using the DLT s is given below in Section 2 1 Other information in this chapter covers situations that could not be adequately addressed DLT The Service Menu and the Front and Side Panel figures aid in the understanding of the plotter tests and how to scroll through the menu 4 1 Troubleshooting
255. therefore necesssary to clean the Slide Shaft at regular intervals as determined by the environmental conditions To clean the Slide Shaft 1 Park the Carriage Assembly in the Service Station Disconnect the power cord and interface cables from the plotter Raise the plotter top cover Moisten a clean cloth or paper wipe with isopropyl alcohol Wipe the length of the Slide Shaft with the moistened cloth CADJET 2 3 3 Maintenance CAUTION 3 4 To prevent damage to the plotter do not slide the Carriage on the shaft until the alcohol is completely dry 6 Manually move the Carriage from end to end 7 Wipe the Slide Shaft with a dry cloth to remove any deposits left by the Carriage Reconnect the power cord and interface cables and run the PRIME plot See Chapter4 Section 11 8 for information concerning the appearance of the PRIME plot During plotting make sure that a the Carriage Assembly slides freely on the Slide Shaft and b there is no Carriage vibration or any noise If the Carriage Assembly does not move freely or if there is Carriage vibration and or any noise clean the Slide Shaft again and repeat the PRIME plot If the problem is not resolved refer to Chapter 4 Section 11 17 Plotter Carriage Moves Erratically for additional troubleshooting steps CADJET 2 Maintenance 4 0 Service Station Maintenance CADJET 2 Ink and dust accumulation on the Service Station may affect th
256. tial Installation of Cartridges 1 CADJET 2 Cartridges dry out quickly so keep them in the original containers until ready for installation After removing the Cartridge from the container carefully remove the tape from the nozzle area do not touch nozzle or jet area Save the tape and the original container so that they are available in case the Cartridge is removed from the plotter for a prolonged period of time Lower the Cartridge straight down into the Cartridge Cover and firmly press down and forward so that the Cartridge moves forward slightly Push the lever up until it stops When installing the Tri Color Cartridge press firmly on its top as you close the lever 3 7 Maintenance 4 Run the PRIME plot and verify that all the jets are firing The bands should be smooth without dark streaks or white lines The sloping diagonal lines should not look fuzzy or contain gaps You may need to run the PRIME plot several times If a satisfactory plot is not obtained follow the instructions below in Section 6 2 You may also need to refer to Chapter 4 Section 11 7 Ink Cartridge Problems 5 After a satisfactory PRIME plot is obtained perform the Cartridge Calibration See Chapter 6 Section 12 0 of this service manual 3 8 2 Maintenance 6 2 Cleaning Cartridges Do not use alcohol in the nozzle plate area Alcohol in this area will cause damage to the ink Cartridge Remove the Cartridge from
257. tilted This option causes any one of the four keys on the LCD keypad to beep if the key tests OK This option causes the LCD to briefly display two rows of 16 eights if the LCD tests OK This option causes all the lights on the plotter to light for two seconds note that the lights for READY and either MONO or COLOR are always lit This test returns a value of OK or ERROR This test returns a value of OK or ERROR This option causes the speaker to sound for one second This test gives the option of testing the Servo Motor at either slow or fast speed You can enter the number of cycles for the Servo Motor test 500 is recommended Troubleshooting DIAGNOSTICS This test feeds the paper media forward specific PAPER MOTOR gt number of inches do not exceed 5 inches in either slow or fast speed DIAGNOSTICS This option will start the Fan The Fan will run until FAN the SELECT key is pressed 4 16 CADJET 2 I SERVICE CALIBRATION CALIBRATION DEADBAND XX CALIBRATION VERT LINES ONE CALIBRATION VERT LINES ALL CALIBRATION SLOW DEADBAND CADJET 2 Troubleshooting 3 Service Calibration This level contains firmware instructions performing the electrical calibration of the plotter See Chapter 6 Sections 9 0 through 14 0 of this manual for the procedures for performing the electrical calibration This option prints the deadband test and allows the value to be changed This option print
258. tion 5 0 General Product Notes The material below is very important for the proper and safe operation of the plotter and should be read before proceeding CLEANING Alcohol contact with the Carriage Assembly bushings will cause damage Wait until the Slide Shaft is completely dry before moving the Carriage Assembly CUTTER Proper safety procedures should be used when handling the Cutter in order to avoid injury ENCODER STRIP Water should NOT be used to clean the Encoder Strip See Chapter 3 of this manual for the cleaning procedure Be very careful when working near the Encoder Strip so that it is not damaged LUBRICANTS Do not use any lubricants on this product USE OF LUBRICANTS WILL VOID THE WARRANTY SLIDE SHAFT Dry the Slide Shaft completely after cleaning it with alcohol Alcohol contact to the Carriage Assembly bushings will cause damage START UP If the CADJET 2 doesn t power up it must be turned off immediately to eliminate any damage until the problem can be resolved CADJET 2 Et General Information 6 0 Plotter Features NOTE The stand and basket assembly shown in Figure Chapter 1 1 and Figure Chapter 1 2 is changing Drawings of the new stand and basket were not available at the time of publication The major features of the CADJET 2 plotter are illustrated and described in Figure Chapter 1 1 Figure Chapter 1 2 and Figure Chapter 1 3 Cover Keypa
259. tion Power Up and ROM Verification Test 6 5 1 Functional Test IF THE MACHINE DOESN T POWER UP IT MUST BE TURNED OFF IMMEDIATELY TO ELIMINATE ANY DAMAGE UNTIL THE PROBLEM CAN BE RESOLVED For static control you must be grounded to a static station by a wrist strap This is important when removing or installing EPROM s Carriage and MPCB Do not slide the Carriage at any time when the power is ON This may damage the plotter Use the ACCESS CARTRIDGES key instead When moving the plotter around disconnect the power from CADJET 2 the plotter each time All you need to do for the Functional Test is to connect power to the unit and turn the ON OFF Switch to the ON position The purpose of this test is to verify that the unit powers up If it does not power up see the Decision Logic Tables in Chapter 4 6 21 Calibration or corrupt the firmware must be downloaded to the plotter using the Serial Port and the Emergency Flash ROM Boot Procedure on the CADJET 2 Utilities Disk See Appendix A of this service manual for the procedure nore Note 1 If the plotter is brain dead i e the Flash EPROM is blank the plotter is not brain dead i e the Flash EPROM is not blank or corrupt but does not have the latest firmware version the firmware may be loaded through the Parallel Port or the Serial Port parallel is faster using the Printer Firmware Upgrade on the CADJET 2 Utilities Disk See Appendi
260. to be loose during this procedure it does not need to be removed Lift both sides of the Carriage Belt out of the Y Bracket and loop them over the front of the Slide Shaft During Step 4 YOU MUST NOT DISTURB THE 3 SCREWS ON THE BACK OF THE Y BRACKET WHICH HOLD ON THE STABILIZER BRACKET see Figure Chapter 5 23 If these are any way disturbed the Carriage Head Height will be changed which will affect the line quality 5 78 2 Disassembly Assembly 4 Use the 1 Phillips Screwdriver to remove the screws which hold the far left Upper Roller Support on the Y Bracket The screws are located on the back of the Y Bracket See Figure Chapter 5 35 MAKE SURE YOU ARE LOOSENING THE CORRECT SCREWS AND NOT THE ONES WHICH HOLD ON THE STABILIZER BRACKET see Figure Chapter 5 23 Using your fingers pull the Upper Roller Support forward Insert the 4 1 2 x 1 x 1 32 piece of Oil Hardened Precision Ground Flat Stock underneath the Upper Roller Support and push the Flat Stock towards the back of the unit so that it completely covers the Lower Roller Bend the front of the Upper Roller Support up with your fingers As you bend up the front end of the Upper Roller Support the bottom back part of it will also be bending up slightly It should be bent as shown below in Figure Chapter 5 32 ER ROLLER SUPPORT UPPER ROLLER SUPPORT BENT FOR REMOVAL NORMAL UPP THIS PAR
261. to scroll through the MAIN MENUs either forward or backward press UP or DOWN ARROWS to change value press SELECT to enter the value Press SELECT to enter the desired menu MEMORY CONFIG PWMIPOSITION four 1 bands of each color will be drawn 4 8 0 press DOWN ARROW Press the arrow keys to scroll through the selected menu press DOWN ARROW press DOWN ARROW press DOWN ARROW press DOWN ARROW SPEED FAST To change a value or parameter press SELECT The equal sign will blink indicating that you press SELECT are now in change mode Press the arrow keys to scroll through the available values or EMULATE LANGUAGE PWM SATURATION A 3 press UP or DOWN ARROWS to change value parameters The new value or parameter will blink indicating that it is different from the currently HPGL2 0245 0 4 press SELECT beep will sound if press SELECT then DOWN ARROW saved value or parameter Press SELECT again to save the changed value or parameter and press all other keys to test beep will sound if OK leave the change mode press DOWN ARROW press DOWN ARROW press SELECT press DOWN ARROW Press the MENU key to move back up to the previous level of the menu tree BAUD RATE STOP MAX DISABLE 9600 50 0 0 to 1 inches press SELECT press DOWN ARROW press DOWN ARROW press UP or DOWN ARROWS to change value press SELECT PARITY ERROR CMD POS 2 rows of 16 eights should display briefly MENA
262. to the CADJET 2 User s Guide Appendix B The SIMM must be within ENCAD s specifications and tolerances Note 1 If you are installing two SIMMS you must install the bottom one first 2 If you are installing two SIMMS the SIMM in the top slot MUST contain AS MUCH OR MORE capacity than the SIMM in the bottom slot For example 16 MB in top slot 4 MB in bottom slot or 8 MB in top slot 8 MB in bottom slot or 32 MB in top slot bottom slot empty 1 The SIMM slots are at a 45 angle Place the SIMM straight into the connector as shown in Figure Chapter 5 10 2 Slowly push the SIMM down until the two side clips snap into place Make sure the SIMM is fully seated 3 Go to Section 4 6 of this chapter for instructions on replacing the Right Cover Assembly Push down to into place Figure Chapter 5 10 Side View of SIMM Installation CADJET 2 551 Disassembly Assembly 4 6 5 22 Reinstalling the Right Cover Assembly 1 sure that all wires inside the Right Cover Assembly area as you begin to put the Right Cover Assembly back on so that none of the wires are pinched between the Right Cover Assembly and the Right Side Plate Align the back of the Right Cover Assembly over the connector clips on the parallel port Remove the rubber band holding the connector clips together Reinsert the bottom back screw on the inside of the Ri
263. ts sequentially between devices Slower than a parallel interface A self correcting closed loop electromechanical system that compares an output signal to an input or feedback signal General Information SHEET MEDIA SKEW STEPPER STOP BIT TRANSDUCER UART UNI DIRECTIONAL VECTOR VELOCITY 1 24 Media that is packaged in individual sheets and is loaded and fed through the front of the plotter The rotation of the media from the initial inserted position not the rotational inaccuracy of the initial media loading Affects line length accuracy especially in the paper axis May be measured in the demo plot or any plot by how far the line on the left margin is different from the line on the right margin Sometimes referred to as SLEW See Section 9 0 of this chapter for information about determining the Skew and Chapter 6 for the adjustment procedures The media drive motor The motor rotates one step for each pulse generated by the drive circuit Position is controlled by the number of pulses generated In the RS 422 432 configuration one or two bits following a transmitted data byte which notify the receiver that the information is complete Converts dynamic quantity into voltage Universal Asynchronous Receiver Transmitter An interface device used between bit serial bit parallel communications devices Cartridges on the plotter fire ink on the media during right to left movement only A grap
264. umed to be the desired or common response for the plotter This value may be changed by the user through the use of the front panel display buttons A set of firmware instructions for the detection and isolation of plotter malfunctions A change in position A device used to graphically show data Dots per inch the number of dots the plotter lays down in an inch One complete cycle of time to complete a printing command To equal in quality or quantity 2 FLASH EPROM GRAVITY HANDSHAKE HARDCLIP LIMIT HEIGHT ADJUSTMENT INITIALIZE INKJET INK RECEPTIVITY INTERFACE CABLE ERROR LAN LINEAR ENCODER MEDIA MENU CADJET 2 General Information Stores data and uses UV light to erase Electronically erasable and programmable Soldered on and not replaceable Used to indicate the force to which a body is subjected when accelerated A method of controlling the speed that information flows between two computer devices to insure that the sender does not transmit data too quickly for the receiver to process A precise outer margin positioned around the plotting area The boundaries of the printing area beyond which the plotter cannot print Height Adjustment refers to the adjustment of the gap between the Platen and the Cartridge head The menu driven instruction set which brings the plotter to the factory default conditions The nozzle part of the ink c
265. ure to tell the Help Desk that you have received this error message 13 After the Firmware has been upgraded disconnect the power cord and power up the plotter again 14 When the process is completed reset the plotter s User Settings to the desired selections and start plotting again 15 If you need assistance with the above procedures please call ENCAD s Help Desk at the number listed in Chapter 1 Section 3 0 of this manual CADJET 2 Appendix CADJET 2 FINAL ASSEMBLY DRAWINGS This appendix contains the Final Assembly Drawings for the CADJET 2 Callouts of the part numbers and descriptions for all numbered items are provided on the pages preceding the drawings When ordering parts please be aware that not all the parts listed on these pages are available at a component level they may be available only as part of an assembly See Chapter 7 of this manual for parts and assemblies which are available C 1 Appendix D Size Final Assembly Callouts ITEM PART DESCRIPTION 400010 H KEPNUT 6 32 5 204848 PLATEN MACHINED CADJET 2 D 6 204973 SIDEPLATE RIGHT 7 200172 H LOCTITE BLACK MAX 8 203556 2 SUPPORT DRIVE SHAFT 9 201013 SCREW 6 32 3 8 PFH BLK 10 203440 1 KEYPAD BOTTOM 12 203443 ASSY FAN 13 203433 SCREW 10 X 3 4 PFH ZN 15 201042 H SCREW 6 32 X 1 2 PPH 16 203411 32 BLADE FIXED D 17 203828 2 SPACER FIXED BLADE 2 IN 18 203423 CLIP FIXED BLADE 19 203828 1 SPACER FIXED B
266. uring plotting or the plot quality is poor perform the following actions until the problem is corrected 1 The Stepper Motor connector JP5 on the MPCB may be loose or intermittent Check the cabling and seat the connector See Chapter 5 Section 11 3 2 Drive circuits may be faulty Replace the Stepper Motor see Chapter 5 Section 11 3 You may also need to replace the be sure to reprogram the Flash EPROM See Chapter 5 Section 4 3 and Appendix A 3 The media may be slipping due to a Upper Roller Supports are not in proper adjustment See Chapter 6 Sections 7 0 and 8 0 for the Paper Skew Adjustment b Upper Rollers and or Lower Rollers are dirty To clean the rollers see Chapter 3 Section 7 0 C Upper Rollers are worn If the Upper Roller Supports need to be replaced see Chapter 5 Section 14 0 Troubleshooting 11 19 LCD or LED Key s Inoperative If there is no response when pressing the LCD or LED key s 1 For LCD keys only Keypad cable connections are loose Check the connections at J1 on the Main Printed Circuit Board and J1 on the Keypad PCB See Chapter 5 Section 6 0 nore Notes For Step 2 below If one of the arrow keys is the key which is not responding use the other arrow key to scroll through the menus in order to reach the DIAGNOSTICS KEYPAD display If the MENU key is not responding turn off the plotter and then turn it on again so that the display will be at the MA
267. vo interrupt It then updates the PWM pulse width modulator register in the gate array which sets the duty cycle to make adjustments to the Carriage speed A linear optical encoder Encoder Strip is used to monitor the Carriage position The optical codestrip runs the length of the Carriage and contains 150 lines and spaces per inch Thus there are 300 edges per inch The detector actually consists of two detectors They are separated from each other such that one detects edges halfway between where the other detects edges This is known as a quadrature decoder It gives an effective resolution of 600 lines per inch The direction the Carriage is moving is known based upon the state of one detector s output and the direction of the transition of the other detector s output A hardware counter in the gate array increments as the Carriage moves left and decrements as the Carriage moves right The hardware counter is only eight bits wide so it cannot store a value large enough to represent an absolute carriage position Instead it is read during the servo interrupt and its value compared with that from the previous interrupt This difference is used to update the absolute position value in the software 2 15 Theory of Operation 3 13 Parallel and Serial Ports 2 16 SERIAL MICRO GATE PARALLEL CONNECTOR TRANSCEIVER processor K CONNECTOR Figure Chapt
268. ware position comparator 5 When the Carriage reaches the firing position the gate array sequences through the thirteen jet positions in the cartridge quadrants The data in the buffer ram transfers to the Carriage electronics and the appropriate jets fire The gate array initiates the DMA transfer of the data for the next firing position This step repeats until the entire strip is printed then the process repeats starting at the first step 3 18 Schematic Diagrams CADJET 2 Engineering schematic diagrams for the Main PCB Assembly Keypad PCB Assembly Carriage PCB Assembly and the Flex Circuit are located in Appendix D 2 19 Theory of Operation Chapter 2 THEORY OF OPERATION 2 1 2 1 2 0 Mechanical Operation d s aue uL Nt 2 2 tt bis 2 2 2 2 Garriage AXIS DIE cos eb 2 2 3 0 Electrical ODOrallor o oen e tee te mtt ot 2 3 3 1 Circuit Assemblies 5 e des 2 3 3 1 1 Main Printed Circuit Board 2 3 12 Front Patel ioo ehe 2 3 3 1 3 Carriage Printed Circuit Assembly Carriage 2 4 9 2 estables cett ifo an 2 5 3 3 Power SUPPly cou
269. x B of this service manual for the procedure If the Carriage Assembly has been removed or changed or if the Carriage Height has been changed you must do whichever firmware download is appropriate even if the plotter has the latest firmware version and perform the Adjustment of the Paper Sensor Potentiometer in Section 6 5 2 below during the download 6 22 CADJET 2 Calibration 6 5 2 Adjustment of the Paper Sensor Potentiometer When adjusting the Potentiometer take extreme care not to touch any of the components with the probe other than the Test Point Pad on the board See Figure Chapter 6 5 For static control you must be grounded to a static station by a wrist strap CARRIAGE BOARD ASSY POTENTIOMETER TEST POINT PAD ADJUSTMENT SCREW Figure Chapter 6 5 Top View of Carriage Board CADJET 2 6 23 Calibration nore You will not use any media during this adjustment procedure During this procedure the Carriage Assembly must not be positioned over the openings in the Platen for the Lower Rollers The range for the voltage will be 1 4 to 1 6 Volts After the Paper Sensor Potentiometer Adjustment any change in the Carriage Height will require readjustment of the Pa
270. y ace PSEL5 13 2 L a os 5V 2907 9 U3F 820 5 Ci 7406 R2 R3 lt R5 lt M lt K lt K lt K lt K lt K R54 R56 9 620 47 lt 5V 5V 1 PSEL7 13 12 4 ROS i as 2907 SHIFT 2006 27 U4F 620 HA2 3 1 26 1 7 7406 o 1 7 4 25 1 Co iem 5410 24 R42 ma Vo 9 1 4 8 10 620 1 10 2n QP9 186 PSELS a 21 110 vo apio 16 2907A 11100 VO ig OP 186 620 POWERS 2240 yo ML 9712 186 7406 P HAO 1A5 1B6 1D4 13 16 12 1 1 1A5 1B6 1D6 14 e ars 20 ES PE MES HA2 1A5 1B6 104 1A5 1B6 1D4 1 GND NC 45V km 47 HEADER16 7024 acs PSEL1 3 dpa Gren EN PSEL4 184 U3B bids PSEL c4 7406 5V PSEL3 1 4 12 1V 8 PSELG _ 184 9 24V PSEL7 1D4 Ci PSELS 104 620 47 1 4 PSEL2 1 Lana 2907 U3A 620 POWER2 7406 E s EE oe y 9 620 47 lt aca QP11 166 5 6 1 9 1 1 5 eu 2907 T 20 PQ4 usc 620 POWER4 9 3 7406 1 4 d A aca QP10 m AE 5 5V HA2 620 id 2 9 ace PSEL6 11 icu dc W or POWERS HAO 2907 153 163 165 9 620 6 143 2 Rou 7406 E PO
271. y of the Service Menu chart with this Service Manual If you did not receive the chart please call the ENCAD Help Desk at the number given in Chapter 1 Section 3 0 It contains all the necessary instructions for navigating the Service Menu At the present time one Service Menu structure is currently in use based upon the firmware revision level of the plotter Information about the revision level is found by scrolling to the following display which is located in the SERVICE INFORMATION level of the Service Menu ROM REVISION CADJet V1 5xx From time to time revisions of the firmware may be released by the Company These revisions will be available on new releases of the Utilities Disk and on ENCAD s Technical Support BBS which is listed in Chapter 1 of this manual The Service Menu has three levels or submenus Detailed descriptions of these three levels are given in Section 4 0 below 4 8 CADJET 2 Troubleshooting 4 0 Service Menu Description NOTE Consult your copy of the Service Menu chart for instructions for navigating the Service Menu If you did not receive the chart please call the ENCAD Help Desk at the number given in Chapter 1 Section 3 0 The Service Menu begins at the following display UTILITIES SERVICE gt This option has three levels or submenus e SERVICE INFORMATION e SERVICE DIAGNOSTICS and e SERVICE CALIBRATION CADJET 2 4 9 Troubleshooting 4 1 Service Information This level
272. ypad Label If the Keypad Cable P N 205111 or the Keypad Label included in P N 204994 they must be ordered in addition to P N 203488 The 8 Stand Screws P N 203485 are not included in the Assy CADJET 2 Hardware Kit P N 205188 Also not included in the Hardware Kit are the 4 long Stand Screws P N has not yet been determined which are 1 4 x 20 x 2 5 All of the Stand Screws are included with the Floor Stand when it is ordered The MPCB has the Flash EPROM already mounted but it is not programmed CADJET 2 7 7 Replacement Parts List 3 2 D Size Unique Parts Alphabetical DESCRIPTION PART ANGLE TRAILING CABLE 55 nre EE ERR 203800 32 ASSY EEGSAND BASISET hor eoo Ec bates orbes 205175 LOWER BBIVE 204917 31 ASSY STABILIZER BRACKET 2 204551 65 204367 5 BELT RIBBED ee re Ce WN Zaw 203903 BOX PLOTTER CADJET 2 iro reno err roca ebrio 203772 2 CABLE CE 203778 PLATEN MACHINED eeu m tul tr aai en RE 204848 SLIDE SHAE Tusce ocio tae eco aasma rca etn rera 204007 31 NOTE Note If you are ordering the Assy Top Cover the Stop Retracting P N 204246 and the Spring Compression P N 202010 are not included T

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