PEN PLOTTER
Contents
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5. 10 1 MP303 UM 251 9370 10 CIRCUIT DIAGRAMS Main board Connections 90577 9 0 a 9 0 ain 800 P 961448 9 0 829 gl 022 EOLIZIZZLOZN z POA UA 69 19 SOA SUIWISI SZSZL41S 11 voL 6274 y 83 72 80 AVES tdl 080848 yn Nve ami gt Z3WOHA L RhZ011355x3 9 1 2011300
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7. AN Sv v 20 lt gt 10 8 MP303 UM 251 9370 10 CIRCUIT DIAGRAMS 10 2 Control Panel YMS N N ZMS N LMS 9401 1699 5 9 tL 201 ZL LAJA IT 4 OAR OL 6 5 l 71092 7 Zasnvd 9 ZCIOHLYWHO 4 DOK z0 6MS i 3GOolN T3ONVO Ir o ZMS 9MS 5 1 1 1 N33H9 Q1 BAAS 2 2 aga N33H9 10 9 MP303 UM 251 9370 10 CIRCUIT DIAGRAMS 10 3 Relay Board V3dAL 8dd HOSN3SA AS H 0 7 3QONV AS HOSN3S X 8192 N3WOHA 1118 56 044 1 N3WOUX Nad H N3d H N3d AS co O gt 10 10 MP303 UM 251 9370 10 CIRCUIT DIAGRAMS 10 4 High Voltage Power Board 888151 888151 16112052 LO 90 93 sa 2 00 58 10 11 MP303 UM 251 9370
8. 4 4 45 Replacing the Bottom Left Cover u 4 5 4 6 Replacing the Y Motor nnne nennen 4 6 4 7 Replacing the Solenoid 4 7 48 Replacing the Y Bar Cover ce ees 4 8 4 3 Replacing the X Bells 5 82 assqa 4 9 4 10 Replacing the X Motor U te 4 10 411 Replacing the Y 4 11 412 R placing Bel eicere cei 4 12 4 13 Replacing the Y Motor U ea ee 4 13 4 14 Replacing the Y FPC Cable u 4 14 4 15 Replacing Pen u 4 15 4 16 Removing the Bottom Panel 4 16 5 MECHANICAL ADJUSTMENTS 5 1 51 Adjusting the X Belt Tension U 5 1 5 2 Adjusting the Y Belt Tension U 5 2 5 3 Adjusting the Y Bar Height U 5 3 MP303 UM 251 9370 ii 1 GENERAL DESCRIPTIONS 54 Checking the Perpendi
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10. 5300 691801520 28 031000110 Pen Station 7 1 Same MP5300 9 020000232 Magnet 8 Same MP5300 30 053200240 Pen Cap Spring 31 053200330 Pen Cap Rubber 8 Same as MP5300 2 053200321 3 054026020 Same as MP5300 220 4 035136020 Pen Station Bracket 2 Same as MP5300 1 5 7 UJ 0 1 1 4 15 16 Same 5300 Same 5300 Same 5300 N 79 TIN 2 27 21 5 EH 8 9 10 14 15 16 17 18 21 22 23 24 25 26 E 27 28 29 N O 5 795320706 Station w Magnet Same as MP5300 8 1 2 P 1 6 795320716 1 Same as MP5300 37 518110070 Control Panel Flexible Cable Filter ESD FPL 34 1 Same as MP5300 w MP303 UM 251 9370 9 5 9 DISASSEMBLY DIAGRAMS PARTS LISTS X Axis Slider X Axis Drive Pen Station MP303 UM 251 9370 9 6 9 DISASSEMBLY PARTS LISTS 9 6 Y Axis Slider Y Axis Drive 1 Same as MP5300 N 5 7 Same as MP5300 Same as MP5300 1 lt gt 0 11 035034081 Solenoid Support Rubber 1 Same as 5300 12 509000035 Solenid 19489 1 as MP5300 1 4 Same 5 00 15 1035134081 Roller 18 3 Same 5300 1 18 Same as 5300 0 1 o a 1
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13. O N N 23 25 618264150 Solenoid Cover 303 26 7 8 29 035132120 Y Roller Spindle 111 Same as MP5300 30 035032260 Tension Pulley Same as MP5300 3 2 2 Same as MP5300 N 1 221 5 8 9 10 11 14 15 16 Ed 18 22 B 26 28 29 30 MP303 UM 251 9370 9 7 9 DISASSEMBLY DIAGRAMS PARTS LISTS Y Axis Slider Y Axis Drive MP303 UM 251 9370 9 8 9 DISASSEMBLY DIAGRAMS PARTS LISTS 9 7 Standard Accessories 1 2 Depends on the country UC 671 N03 EN 514 N04 BS89 3 C7 1 8m 7 500052043 088 Cable 0106 1 5 MP303 CUG01 618269380 Quick Manual 10 9 8 Others Part Description Q ty Remarks 1 618269100 Packing Box for MP303 1 2 5 6 ES 8 92 MP303 UM 251 9370 9 9 10 CIRCUIT DIAGRAMS CIRCUIT DIAGRAMS 10 1 Main Board 10 Main board Top 2845 NODA VODA MVWOOX 1O3NNOO asn Z1NOON3d L1INOON3d 90180271 WWA 213634 4 dWA 213539 Z3WOHA 2 MA Z3INOHX 74508
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17. Disassembly 1 Remove the X belts 2 Remove the bottom panel assembly and bottom left cover 3 Disconnect the X motor cable from the main driver board 4 Loosen the two M3 x 4 mm double point screws from the coupling of the M shaft see Fig 4 16 motor Coupling M shaft Double point screw Fig 4 16 5 Remove the two M3 x 6 mm binding head screws securing the X motor then slide off the X motor 6 Remove the drive pulley from the X motor Re assembly Caution The double point screws in the X drive shaft s coupling are easily breakable and should be tightened with care The tightening torque must not exceed 2 kg cm 7 To mount the X motor perform the above Disassembly procedure in reverse 8 Mount the X belts 9 Adjust the X belt tension see Section 5 1 Adjusting the X Belt Tension 10 Adjust the perpendicularity precision see Section 5 5 Adjusting the Perpendicularity Precision MP303 UM 251 9370 4 10 4 REPLACING THE MECHANISMS 4 11 Replacing the Y Bar After the Y bar is replaced the Y bar height Y belt tension and perpendicularity precision must be adjusted Disassembly 1 Remove the Y motor cover 2 Remove the Y bar cover 3 Loosen the two black M3 x 4 mm binding head screws securing the Y pulley bracket see Fig 4 17 Y bar cover Fig 4 17 4 Remove the rubber holder securing the pen FPC Flexible Printed Circuit cable to the
18. 1 1 GENERAL DESCRIPTION GENERAL DESCRIPTION 1 1 Special Features High speed high quality plotting A digital servo drive system and a 32 bit CPU combine to produce detailed plots with smooth curves at a maximum plotting speed of 700 mm s in all directions and a mechanical resolution of 0 005 mm Various functions ensure clearly defined plots A wide variety of functions come standard to ensure clearly defined plots including the Auto Pen Cap function which prevents pens at the pen station from drying up when not in use and a mechanical soft landing mechanism that extends the pen s lifetime while providing a quieter working environment The plotting speed and pen force most suitable for the pen type being used can be easily selected from the control panel Upright installation possible To conserve space the plotter can be mounted on a pair of stands provided as a standard accessory for installation at a 60 angle Interface conditions are easily set The interface mode RS 232C serial or Centronics parallel or USB compatible is automatically selected when the plotter is connected to a computer via the respective interface connector If the plotter is set to Auto RS 232C mode you just need to send plot data from the computer the RS 232C settings are automatically selected so no bothersome settings are required Interactive operation Various functions can be set interactively by using the panel keys according to messages and pr
19. 2 Loosen the two M3 x 6 mm tapping screws securing the X roller adjustment bracket 3 While pulling the X roller adjustment bracket and X slider by a pull force of about 600 to 700 g in the directions shown in Fig 5 11 adjust the pressure exerted by the X rollers Tighten the two M3 x 6 mm tapping screws Manually turn the X slider s rollers one at a time to check that all rollers exert the same pressure If pressure is uneven adjust the perpendicularity precision see Section 5 5 Adjusting the Perpendicularity Precision Fig 5 11 4 Attach the Y motor cover and rear cover B MP303 UM 251 9370 5 6 5 ADJUSTMENTS 5 7 Adjusting the Pen Holder and Pivot Screws After the pen holder and pivot screws are adjusted the Y belt tension must be adjusted 1 Remove the solenoid cover 2 Remove the Y bar cover and Y pulley bracket then remove the Y slider assembly from the Y bar by sliding it in the Y direction 3 As shown in Fig 5 13 turn the pivots to adjust both gaps between the pen holder and Y slider to the same distance about 2 mm Pivot screw RSG lt lt Tightening torque 50 to 70 gf cm holder Fig 5 12 Fig 5 13 4 Check that there is no play in the pen holder 5 Remove the pen UP spring manually raise the pen holder then check that the pen holder lowers smoothly when released see Fi
20. 4 Press the ENTER key to put the plotter into the Control Panel Key Test Mode 5 The menu below appears so press the control panel key corresponding to each bit and check that its value properly changes to 1 from O CMERDLU 00000000 Press each key on the control panel the status will change as shown below Key Status of LCD ____ HEE SS CANCEL Move ENTER RIGHTARROW DOWNARROW LEFTARROW 0 UPARROW Normal status 0 While the key is pressed 1 6 If a key is not operating properly check its wiring and its connector contact If everything checks out all right either the control panel or main board may be defective In this case initialize the NOV RAM and then run the control panel key test again 7 To exit the Control Panel Key Test Mode turn off the plotter MP303 UM 251 9370 6 16 7 TROUBLESHOOTING 7 TROUBLESHOOTING 7 1 Plotter is Turned Doesn t Solution Right after the plotter is POSITION XY ALARM error appears The plotter is not The POWER LED lamp The AC adapter is defective Replace the AC adapter initialized does not light The main board is defective the main board 7 2 During Plotting Symptom Cause Solution The plotted li
21. 12 Raise and lower the pen two or three times to get the correct pen force Pen Force Target Pen Force Pen 259 20 to 33 g High Pen Force 40g 35 to 50 g MP303 UM 251 9370 6 7 6 ELECTRICAL ADJUSTMENTS 6 7 Using the Test Modes 6 7 1 Self Test Your plotter comes with a self test mode which enables the plotter to check its own functions without necessarily being connected to the computer A correctly drawn test pattern signifies that all of the functions of the plotter excluding the interface functions have been tested and found normal Be sure to run this self test before connecting the plotter to the computer Procedure 1 Check that the POWER switch is off and that pens are mounted in the pen station 2 Turn on the POWER switch while holding down the LEFT ARROW POSITION key The plotter is initialized The prompts below are consecutively displayed SelfTest Mode Set Paper 3 After initialization has been completed place a sheet of paper on the writing panel Press the CHART HOLD key to secure the sheet The prompt below is displayed Press Ent key 4 Press the ENTER key to draw the self test pattern The plotter repeatedly plots the same pattern until you cancel the self test mode To temporarily stop plotting press the PAUSE key To cancel the self test mode press the CANCEL key to stop plotting and then turn off the plotter MP303 UM 251 9370 6 8 6 ELECTRICAL ADJUSTMENTS
22. 27 PENPLOTTER MP303 SERIES SERVICE MANUAL GRRPHTEC MP303 UM251 02 9370 1 GENERAL DESCRIPTIONS HISTORY OF REVISIONS Description of revision 2004 05 21 First printing 2004 12 01 Part numbers for the AC power cables corrected 99 MP303 UM 251 9370 i 1 GENERAL DESCRIPTIONS CONTENTS HISTORY OF REVISIONS u u i 1 GENERAL DESCRIPTION 1 1 lt silus ass 1 1 1 2 lt 5 1 2 1 3 External 52 55 55552525252 Em 1 3 2 DESCRIPTION OF PARTS 2 1 2 1 Description of l uuu uuu 2 1 2 2 The Control Panel 2 2 3 RECOMMENDED PARTS LIST 3 1 4 REPLACING THE MECHANISNSS 4 1 41 Replacing the Rear Cover B 4 1 42 Replacing the Right Cover 4 2 4 3 Replacing the Front 6 U iino tax eee 4 3 4 4 Replacing the Top Left Cover uu
23. Fig 4 21 8 Remove the two M3 x 6 mm binding head screws securing the Y motor then remove the Y motor 9 Remove the Y drive pulley from the Y motor Re assembly 10 To mount the Y motor perform the above Disassembly procedure in reverse 11 Adjust the X rollers see Section 5 6 Adjusting the X Rollers 12 Adjust the Y belt tension see Section 5 2 Adjusting the Y Belt Tension 13 Adjust the X belt tension see Section 5 1 Adjusting the X Belt Tension 14 Run the pen retrieval test to check that pens are properly exchanged see Section 6 7 The Test Modes MP303 UM 251 9370 4 13 4 REPLACING THE MECHANISMS 4 14 Replacing the Y FPC Cable After the Y motor is replaced the Y bar height and perpendicularity precision must be adjusted Disassembly 1 Disconnect the Y FPC cable from connector J2 on the relay board 2 Remove the Y bar 3 Remove the M2 x 6 mm binding head screw securing the Y FPC cable to the Y slider see Fig 4 22 then use a soldering iron to detach the pen solenoid s lead wires from the Y FPC cable Y slider Y FPC cable 4 Slide the Y slider assembly off the Y bar 5 Remove the Y FPC holder bracket which is secured by black adhesive 6 Peel the Y FPC cable off the Y bar Re assembly 7 Fold the Y FPC cable as shown in Fig 4 23 and wrap a piece of filament tape about 25 mm long around the folded section Attach the Y FPC cable to the Y b
24. 6 7 2 Character Dump Mode This mode allows experienced users to detect the cause of communication problems between the plotter and the computer In Character Dump mode the plotter produces an exact printout of the codes it receives printing character data as ASCII codes and the non character control data as two digit hexadecimal values e g Line Feed OD Carriage Return Procedure 1 Mount a pen in the pen station s Pen 1 position 2 Place a sheet of paper on the writing panel 3 Hold down the DOWN ARROW POSITION key while you turn on the plotter The plotter is initialized CharDump Mode 4 Secure the paper The prompt below is displayed to prompt you to press the CHART HOLD key Set Paper 5 Once the paper is secured the PROMPT lamp on the plotter blinks The prompt below is displayed Press ENT Key 6 Press the ENTER key to enter the Character Dump Mode The plotter prints DUMP MODE V GL on the paper and then awaits data from the computer The message below briefly reappears on the display CharDump Mode 7 When the computer runs an application program and outputs the data to the plotter it starts printing the received data in ASCII format 8 To exit the Character Dump Mode turn off the plotter and then turn it back on using only the POWER switch MP303 UM 251 9370 6 9 6 ELECTRICAL ADJUSTMENTS 6 7 3 Debug Mode This mode is used to locate programming errors in your
25. After the perpendicularity precision is adjusted the X rollers must be adjusted 1 Remove the Y motor cover and rear cover B 2 Remove the top left cover then loosen the two M3 x 4 mm double point screws in the coupling see Fig 5 8 to free the M shaft X motor Coupling Double point screw Fig 5 8 Fig 5 9 3 Loosen the two M4 x 6 mm toothed binding head screws securing the X roller bracket to the X slider see Fig 5 10 x 6 mm toothed binding head screws Fig 5 10 4 Slide the Y bar assembly so that it is parallel to the right edge of the writing panel then tighten the two x 6 mm toothed binding head screws 5 Adjust the X rollers see Section 5 6 Adjusting the X Rollers 6 Tighten the two M3 x 4 mm double point screws in the coupling making sure that the torque does not exceed 2 kg cm 7 Check the perpendicularity precision see Section 5 4 Checking the Perpendicularity Precision If the perpendicularity precision is unsatisfactory repeat Steps 2 and 3 above and finely adjust the position of the Y bar assembly in the direction of deviation repeat Steps 5 and 6 then check the perpendicularity precision again When the precision is satisfactory proceed to Step 8 below 8 Attach the Y motor cover and rear cover B 9 Attach the top left cover MP303 UM 251 9370 5 5 5 MECHANICAL ADJUSTMENTS 5 6 Adjusting the X Rollers 1 Remove the Y motor cover and rear cover B
26. If you want to adjust the pen positions press the LEFT ARROW POSITION key at the above menu The plotter then displays the menu shown below You can adjust the position of pen number 1 by using the ARROW POSITION keys No 1 PressENT Press the ENTER key after you have adjusted the position of pen number 1 The plotter then displays the menu shown below No 8 PressENT Press the ENTER key after you have adjusted the position of pen number 8 7 To exit the pen retrieval test mode turn off the plotter MP303 UM 251 9370 6 11 6 ELECTRICAL ADJUSTMENTS 6 7 5 Running Test Mode Procedure 1 Move the pen carriage manually to the upper left position so that it crosses the X home sensor and Y home sensor 2 Hold down the CANCEL key and MODE key while you turn on the plotter 3 The plotter starts the running test 4 To exit the Running Test Mode turn off the plotter MP303 UM 251 9370 6 12 6 ELECTRICAL ADJUSTMENTS 6 7 6 Sensor Test Mode Procedure Using the DIP switch 1 Set SW1 to the Sensor Test Mode as shown below and then turn on the plotter swt E WP 7 2 1 3 4 2 The status of each sensor is displayed on the LCD panel XH YH Display Operation when the High Low level changes When the dog blocks the sensor Y Same as the above 3 If a sensor is not operating properly check its wiring its connector contact and the position of the sensor dog If everything check
27. Keys POSITION LEDs CHART HOLD MP303 UM 251 9370 PEN PLOTTER MP303 04 GRAPHTEC POWER 292 PROMPT PAUSE CHART HOLD MODE E O FUNCTION BUFFER CLEAR n m 4 Move the pen carriage in the direction indicated by each key These keys are also used to set functions at the display Completes input of the function being set Press to temporarily stop plotting and press again to resume plotting To cancel a setting shown on the display press this key instead of the ENTER key Press to use the POSITION keys to move the pen carriage or to set function menus Switches the ON OFF status of electrostatic adhesion After placing a sheet on the writing panel press this key to secure the paper Lights when the power is turned on Flickers to prompt you to press the ENTER key or to inform you that an error has occurred Lights to indicate that plotting is temporarily suspended 2 Description of Parts 3 RECOMMENDED PARTS LIST 1 035130123 Electrostatic Panel 1 Compatible with MP5300 2 773513500 High Voltage Board 1 Compatible with MP5300 3 618260300 Control 12003 1 0 4 500051951 7 8 45 3129 1 5 771826500 Board 303 1 6 773513490 Board 71 __ with M
28. si B NOV RAM Clear mode SW1 k 4 OFF 1 2 3 4 Sensor test mode W1 7 7 2 3 4 Control panel key test mode W1 o 1 0 4 9 2 MP303 UM 251 9370 6 3 6 ELECTRICAL ADJUSTMENTS 6 3 Checking the Voltage Level for the Main Board 1 Remove the bottom panel assembly and top left cover 2 Connect all cables to the main board as shown Fig 6 1 below except for connector J4 that connects to the electrostatic adhesion circuit board Fig 6 1 3 Connect the AC adapter to the main board 4 Turn on the power switch and then check the voltage levels 5 You will find test pins TP1 through TP4 on the main board The output voltage levels of these pins are I in the table below pin No Name Output voltage Permissible range TP1 24V 24V 22 5V to 25 5V HE MP303 UM 251 9370 6 4 6 ELECTRICAL ADJUSTMENTS 6 4 Updating the System Firmware To update the system firmware you need to have the following files In addition you need to use a computer and Centronics cable MP303 X MP303 04 firmware SEND EXE Utility to transfer files using Windows e SENDB EXE _ Utility to transfer files using DOS How to update the system firmware 1 computer and the MP303 04 the Centronics interface 2 Turn on the power while pressing the RIGHT ARROW P
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30. Mode Procedure Using the DIP switch 1 Set SW1 to the Control Panel Key Test Mode as shown below and then turn on the plotter 2 The menu below appears so press the control panel key corresponding to each bit and check that its value properly changes to 1 from 0 CMERDLU 00000000 Press each key on the control panel the status will change as shown below Key Status of LCD CANCEL 0 1 0 0 0 0 0 NOSE 9 9 1 018101010 ENTER RIGHTARROW 11010101 DOWNARROW 0 0 0 0 0 1 0 0 LEFTARROW 010101010101011 Normal status 0 While key is pressed 1 3 If a key is not operating properly check its wiring and its connector contact If everything checks out all right either the control panel or main board may be defective In this case initialize the NOV RAM and then run the control panel key test again 4 To exit the Control Panel Key Test Mode turn off the plotter and then return the SW1 setting to normal mode as shown below Procedure Using control panel keys 1 Move the pen carriage manually to the upper left position so that it crosses the X home sensor and the Y home sensor 2 Hold down the UP ARROW POSITION key and the DOWN ARROW POSITION key while you turn on the plotter 3 The menu below appears KEY amp LED TEST MP303 UM 251 9370 6 15 6 ELECTRICAL ADJUSTMENTS
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32. no 9 2 9 3 Control Panel SScl Ds 9 3 SUA Bottom Paneles 9 4 9 5 X Axis Slider X Axis Drive Pen Station 9 5 96 lt Slider Y Axis Drive 9 7 97 Standard Accessories J 9 9 9 8 OEIS can QR 9 9 10 CIRCUIT DIAGRAMS 10 1 10 1 Main Board L ua 10 1 Main usa cocer tix da ira dekan Exi REX A er KA RR DM RED 10 1 Mam board 5 uu aca xac 10 2 board CPU uu UM 10 3 Mam board DG DrIVOr Eidem 10 4 Main board GRG 1507 u u FERRARI RESTER 10 5 Mari board IUE uasa cuit Diet o ut asss sa eL n Fre MAR VEN ANE NE 10 6 Main board Memory uu u Raga 10 7 Mam board USB S u a a T 10 8 10 2 Control Panel ux 10 9 10 53 ROL AY eec cR 10 10 10 4 High Voltage Power Board 10 11 MP303 UM 251 9370 iv
33. screw until the pencil plunger reaches the pen UP position then apply adhesive to the pen force adjustment screw as shown in Fig 5 16 Apply adhesive here Fig 5 16 5 Attach the solenoid cover 6 Adjust the pen force see Section 6 6 Adjusting the Pen Force MP303 UM 251 9370 5 9 5 ADJUSTMENTS 5 10 Adjusting X Home Position 1 Remove top left cover 2 Loosen the two M3 x 6 mm binding head screws with plain washer 3 Adjust the X home position by sliding the X limiter bracket in the directions shown in Fig 5 17 4 Attach the top left cover MP303 UM 251 9370 5 10 5 MECHANICAL ADJUSTMENTS 5 11 Adjusting the Y Home Position 1 Adjust the Y home position by turning the M3 x 6 mm hexagonal bolt as shown in Fig 5 18 then apply adhesive to that bolt Adhesive 3 9 mm Fig 5 18 MP303 UM 251 9370 5 MECHANICAL ADJUSTMENTS 5 12 Adjusting Pen Retrieval Before attempting to adjust pen retrieval check the perpendicularity precision see Section 5 4 Checking the Perpendicularity Precision and adjust it if necessary see Section 5 5 Adjusting the Perpendicularity Precision 1 Remove the top left cover 2 If the Y bar is not parallel to the pen station move the Y bar so that it is parallel 3 Set plotter to pen retrieval test mode by holding down the LEFT ARROW X and DOWN ARROW Y POSITION keys while turning on the plotter 4 Adjust
34. the X and Y home positions see Sections 5 10 Adjusting the X Home Position and 5 11 Adjusting the Y Home Position to positions where the pen retrieval test can be enabled 5 Mount disposable ink pens in Positions 1 to 8 of the pen station 6 Press the ENTER key to start the pen retrieval test and check the following points The ink pen plunger does not contact the pen holder The pen tip does not touch the pen cap see Fig 5 19 If the pen tip touches the pen cap loosen the two M3 x 12 mm tapping screws raise the pen station and then tighten the two screws If raising the pen station does not solve the problem add a plain washer of 3 mm diameter and 0 5 mm thickness beneath the pen station mounting bracket see Fig 5 20 P Incorrect Correct Add the washer here Fig 5 19 Fig 5 20 Note Execution of the pen retrieval test can be temporarily suspended by pressing the PAUSE or ENTER key To resume test execution press the PAUSE or ENTER key 7 Attach the top left cover MP303 UM 251 9370 5 12 5 MECHANICAL ADJUSTMENTS MP303 UM 251 9370 5 13 6 ELECTRICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS 6 6 1 Wiring Diagrams NIV VOOZLESd asn SOINOH IN3O 27 Octc SH er HOLON X 2002 Lo0z
35. to the NOV RAM Clear mode as shown below W1 WP 2 Turn on power to plotter 3 The NV RAM CLEAR menu appears The plotter immediately starts to clear the parameters on the NOV RAM and then sets the default values NV RAM CLEAR 4 When Non Volatile RAM clearing is complete the NV RAM OK menu appears NV RAM 5 Turn off the power to the plotter 6 Return the SW1 setting to normal mode as shown below SW 1 i d OFF 2 3 4 1 7 Turn power to the plotter The SET MODE menu appears This menu appears when you clear the Non Volatile RAM SET MODE STD 1 00 8 Select STD for the standard model using the LEFT ARROW POSITION key or RIGHT ARROW POSITION key 9 Press the ENTER key to store the setting 10 Turn off the power to the plotter MP303 UM 251 9370 6 6 6 ELECTRICAL ADJUSTMENTS 6 6 Adjusting the Pen Force Place the plotter on a horizontal surface such as a table 1 Mount a ceramic pen in position No 1 of the pen station and then load a sheet of paper 2 Press the PAUSE key to retrieve the ceramic pen then lower the pen by following the displayed menu 9 Press the MODE key and then press the UP ARROW POSITION key or DOWN ARROW POSITION key until the menu shown below appears PEN TYPE Ceramic 4 Select PEN TYPE Ceramic by pressing the LEFT ARROW POSITION key or RIGHT ARROW POSITION key This selection enabl
36. AJ r fad 815 SE bdr 9 St vr 5 gm sv LZ 1 Zt 9 ww oF a v ry za ev lt lt lt 17 z ovd 8 888 oa Io7Ziviva OL szva vov 2222 AAA 950 EXE T 1 vO eso 1 zzv 99 99 10 6 MP303 UM 251 9370 10 CIRCUIT DIAGRAMS Main board Memory 88 00 68 89 009 8 05 ozn e B 31 OS ELZOHPL VOL H a 4 9 052 oeva 713599 Sr 9948 ipsa SVOJ Dic 7100 Svon ZHSVO 99 80 s 00 Sva 2574 ly zlog 90 90 5 20 31 Ov uoa s 90 GT d 5 ON 2 ON AS aa 50 Z2 ZE AN 9 5 1
37. ANICAL ADJUSTMENTS 5 3 Adjusting the Y Bar Height After the Y bar height is adjusted the perpendicularity precision must be adjusted 1 Loosen the two M3 x 12 mm tapping screws securing the X slider to the Y bar as shown in Fig 5 4 2 Adjust the gap between the Y bar and X slider to about 11 6 mm then tighten the two screws loosened in Step 1 while making sure that the Y bar is not tilted Fig 5 4 3 Adjust the perpendicularity precision see Section 5 5 Adjusting the Perpendicularity Precision MP303 UM 251 9370 5 3 5 ADJUSTMENTS 5 4 Checking Perpendicularity Precision 1 Attach a 0 2 mm ceramic pen and load a sheet of thin paper 2 Lower the pen and use the POSITION keys to manually plot the quadrilateral shape shown in Fig 5 5 9 As shown in Fig 5 6 fold the sheet in half so that the X axis lines overlap Check the perpendicularity precision based on whether or not Line B deviates from Line A 1 1 ae Y lt m mi lt Q O gt 5 i u 1 Align lines Fig 5 5 Fig 5 6 4 If Line deviates from Line A when the paper is folded so that both X axis lines overlap see Fig 5 7 tilt the Y bar toward Line B at half the angle of such deviation r 1 l al MP303 UM 251 9370 5 4 5 MECHANICAL ADJUSTMENTS 5 5 Adjusting the Perpendicularity Precision
38. Levo 10790 V907S0 VO 6216 SWS 0 9 O6L 6LLP GION31OS 8 01790 0 50 WO ASSY HOSN3S S0vS0 A aavog YOLOW A 6 1 MP303 UM 251 9370 6 ELECTRICAL ADJUSTMENTS 6 1 1 Component Layout on the Main Board
39. OSITION key and the LEFT ARROW POSITION key and then press the ENTER key to display the menu shown below UPDATE NO 3 Select YES using the UP ARROW POSITION key or the DOWN ARROW POSITION key to display the menu shown below CENTRO GET ACK This enables you to select the timing of the Centronics interface Normally there is no need to change this setting If you cannot transfer data correctly via the Centronics interface use the UP ARROW POSITION key or the DOWN ARROW POSITION key to change this timing 4 Press ENTER key to display the menu shown below PLEASE SEND 5 Send firmware to the plotter from the computer Drag and drop the firmware file onto the SEND EXE icon when using Windows For DOS mode use SENDB EXE as shown below gt SENDB MP303 X 6 The following menu is displayed while data is being received B RECEIVED 7 The plotter will start the initialization routine when all the data has been received The firmware versions are displayed during the initialization routine Check the firmware version that you updated 8 Turn off the power 9 Perform the NOV RAM clear operation whenever you replace the main board MP303 UM 251 9370 6 5 6 ELECTRICAL ADJUSTMENTS 6 5 NOV RAM Clear When you replace the main board you must clear the Non Volatile RAM If you clear the Non Volatile RAM you will lose the setup parameters How to clear the Non Volatile RAM 1 Set SW1
40. P5300 8 509000014X 183747 31 5 1 _ Compatible with MP5300 9 035132210 X Belt 1820 2 Compatible with MP5300 13 691801520 X Flexible Printed Cable FPC 05410 1 Compatible with MP5300 14 795320716 Pen Station 1 __ with 5300 15 035033051 7171 Compatible with MP5300 17 773513100 Pen Holder Assembly 11 1 Compatible with MP5300 18 509000035 Solenoid 1 Compatible with MP5300 19 035134081 Y Roller 18 1 Compatible with MP5300 20 035132070 Y 1 Compatible with 5300 MP303 UM 251 9370 3 1 4 THE MECHANISMS 4 REPLACING THE MECHANISMS 41 Replacing the Rear Cover B Disassembly 1 Move the Y bar next to the pen station as shown in Fig 4 1 Fig 4 1 2 Place the plotter upside down on a table or other flat surface as shown in Fig 4 2 making sure not to strike the Y bar or pen block against the surface Fig 4 2 3 After removing the three M3 x 8 mm tapping screws and two M3 x 8 mm binding head screws remove the rear cover B see Fig 4 3 x 8 binding 2 head screw P Rear Cover B Fig 4 3 Re assembly 4 Attach cover by performing the above Disassembly procedure in reverse Tightening torque 4 kg cm M3 x 8 binding head screws only MP303 UM 251 9370 4 1 4 REPLACING THE MECHANISMS 4 2 Replacing the Right Cover D
41. X roller bracket then disconnect the Y FPC cable from the relay board and separate it from the X slider 5 Remove the belt see Section 4 12 Replacing the Y Belt 6 Remove the two M3 x 12 mm tapping screws securing the Y bar to the X slider then remove the Y bar see Fig 4 18 Rubber holder M3 x 12 mm tapping screw Fig 4 18 7 Slide the pen block assembly off the Y bar 8 Slowly peel the Y FPC cable off the Y bar being careful not to damage the cable Re assembly 9 To mount the Y bar perform the above Disassembly procedure in reverse 10 Adjust the Y bar height see Section 5 3 Adjusting the Bar Height so that the gap between the Y bar and X rail is about 11 6 mm 11 Adjust the perpendicularity precision see Section 5 5 Adjusting the Perpendicularity Precision 12 Adjust the Y belt tension see Section 5 2 Adjusting the Y Belt Tension MP303 UM 251 9370 4 11 4 REPLACING THE MECHANISMS 4 12 Replacing the Y Belt After the Y belt is replaced the Y belt tension and X rollers must be adjusted Disassembly 1 Loosen the M3 x 6 mm tapping screw at the X roller adjustment bracket see Fig 4 19 2 Remove the two black M3 x 4 mm binding head screws securing the Y pulley bracket then remove the Y pulley bracket 3 While slightly raising the Y bar toward you slide the Y slider assembly off the Y bar making sure not to damage the Y FPC cable 4 Remove the Y belt fro
42. ace in the buffer rises to 128 bytes of data NOTE After the plotter is turned off Debug mode is not resumed when only the ENTER key is pressed The Debug mode cannot be used with the USB interface MP303 UM 251 9370 6 10 6 ELECTRICAL ADJUSTMENTS 6 7 4 Pen Retrieval Test Mode Use this mode to perform a pen retrieval test and to adjust the pen positions Procedure Fast Mode 1 Mount disposable ink pens in Positions 1 to 8 of the pen station 2 Hold down the LEFT ARROW POSITION key and DOWN ARROW POSITION key while you turn on the plotter 3 Press the ENTER key to start the pen retrieval test Execution of the pen retrieval test can be temporarily suspended by pressing the PAUSE or ENTER key To resume test execution press the PAUSE or ENTER key 4 exit pen retrieval test mode turn off the plotter Procedure Slow Mode and Pen Position Adjustment 1 Mount disposable ink pens in Positions 1 to 8 of the pen station 2 Hold down the CANCEL key while you turn on the plotter 3 Place a sheet of paper the writing panel 4 Press the ENTER key to display the prompt shown below Select ADJ SLOW 5 If you want to start the slow pen retrieval test press the RIGHT ARROW POSITION key The plotter will begin plotting the pen numbers on the paper Execution of the pen retrieval test can be temporarily suspended by pressing the PAUSE or ENTER key To resume test execution press the PAUSE or ENTER key 6
43. application program When the plotter is in Debug Mode its buffer size is reduced to permit easier detection of the section of the program that is causing the plotting error Procedure 1 Mount a pen in the pen station s Pen 1 position 2 Place a sheet of paper on the writing panel 3 Hold down the ENTER key while you turn on the plotter The plotter is initialized Debug Mode 4 Secure the paper The prompt below is displayed for a few seconds to prompt you to press the CHART HOLD key Set Paper The prompt below is displayed Ready 5 The plotter is now in the Debug Mode 6 Run the target program at the computer for output to the plotter The message DEBUG MODE is displayed for a few seconds In this mode the plotter s buffer memory is reduced to the following sizes RS 232C mode 256 bytes In Centronics mode 10 bytes 7 To exit the Debug Mode turn off the plotter and then turn it back on using only the POWER switch HINT When using the RS 232C interface the timing of data transmission varies with the selected handshake mode as follows e During hardwire handshaking The ER DTR signal line goes off when the available space in the buffer drops to 64 bytes It goes on when the available space in the buffer rises to 128 bytes of data During Xon Xoff handshaking Xoff status is entered when the available space in the buffer drops to 32 bytes Xon status is entered when the available sp
44. ar with double sided tape as shown in Fig 4 24 To prevent the folded section of the Y FPC cable from lifting up attach a piece of filament tape as shown in Fig 4 25 Wrap with filament tape NS Fold here P o N FIRE 23 2024 CZ 2 lt lt ps P Black line Fold here Fig 4 23 Ran Align the double sided tape s edge with the Y bar s edge Wrap filament tape around the section indicated above Fig 4 25 8 Process the Y FPC cable as shown in Fig 4 26 MP303 UM 251 9370 4 14 4 REPLACING THE MECHANISMS Align the FPC cable s edge with the top of the rib The cable should contact the Apply adhesive to inside of bracket Make sure the Y FPC holder is not loose or tilted Fig 4 26 9 To mount the Y FPC cable perform the preceding Disassembly procedure in reverse 10 Adjust the Y bar height see Section 5 3 Adjusting the Y Bar Height 11 Adjust the perpendicularity precision see Section 5 5 Adjusting the Perpendicularity Precision 4 15 Replacing the Pen Solenoid After the pen solenoid is replaced the pen force must be adjusted Disassembly 1 Remove the solenoid cover 2 Remove the M2 x 6 mm binding head screw securing the Y FPC cable to the Y slider 3 Remove the two M3 x 6 mm binding head screws securing the pen solenoid to the Y slider see Fig 4 27 g M3 x 6 mm binding head screw Pen solenoid F
45. attached solenoid cover Y bar Solenoid cover MP303 UM 251 9370 4 7 4 REPLACING THE MECHANISMS 4 8 Replacing the Y Bar Cover Disassembly 1 Place an size sheet of paper on the plotter s writing panel to avoid scratching it 2 Remove the two black M3 x 12 mm tapping screws securing the Y bar cover see Fig 4 13 then remove the Y bar cover Re assembly 3 To attach the Y bar cover perform the above Disassembly procedure in reverse MP303 UM 251 9370 4 8 4 REPLACING THE MECHANISMS 4 9 Replacing the X Belts After the X belts are replaced the X belt tension and perpendicularity precision must be adjusted Disassembly 1 Remove the rear cover B right cover front cover and top left cover 2 Loosen the two M3 x 6 mm binding head screws securing the tension bracket see Fig 4 14 to loosen the X belt 3 Remove the X belts 18 to 20 mm Protruding length of X belt Fig 4 14 Fig 4 15 Re assembly 4 Pull both ends of each X belt to the length indicated in Fig 4 15 5 Attach the X belts to the corresponding pulleys 6 Adjust the X belt tension see Section 5 1 Adjusting the X Belt Tension 7 Adjust the perpendicularity precision see Section 5 5 Adjusting the Perpendicularity Precision MP303 UM 251 9370 4 9 4 REPLACING THE MECHANISMS 4 10 Replacing the X Motor After the X motor is replaced the X belt tension and perpendicularity precision must be adjusted
46. cularity 5 4 5 5 Adjusting the Perpendicularity Precision 3 1 112 5 5 5 6 Adjusting the X Rollers eiie 5 6 5 7 Adjusting the Pen Holder and Pivot Screws 5 7 5 8 Adjusting the Pen Holder Height U 5 8 59 Adjusting the Pen UP Spring 5 9 5 10 Adjusting the X Home Position U 5 10 5 11 Adjusting the Home Position u 5 11 5 12 Adjusting Pen Retrieval ee 5 12 6 ELECTRICAL ADJUSTMENTS 6 1 6 1 Wiring 2 U eee 6 1 6 1 1 Component Layout the Main 6 2 62 DIP Switch Settings u u u 6 3 6 3 Checking the Voltage Level for the Main Board 6 4 64 Updating the System 6 5 6 5 NOV RAM 6 6 6 6 Adjusting the Pore ic 6 7 6 7 Using
47. d using the command Displayed message A command error occurs if a hexadecimal code from 60H to 7EH is E1 processed as a command character This message may also appear if COMM ERR the RS 232C interface conditions are improperly set or if the program being run at the computer was not written using GP GL commands E4 When a command specifying coordinate values is being processed a parameter overflow error occurs if a numeric parameter exceeds the PARA OV Parameter Range An input output error occurs during the transfer of data via the interface E5 With the RS 232C interface this message indicates that the parity or 1 0 ERR data length may be improperly set Check your interface conditions once more Cancelling an error status You can cancel an error status using any of the methods below thereby setting the status of the corresponding Error bit to zero 1 Execute a READ STATUS WORD 1 or READ STATUS WORD 3 command 2 Press the ENTER key Effective only in case of a data format error Note If a data format error has occurred performing either Method 1 or 2 above while execution of the next command is temporarily suspended enables that command to be executed 3 Initialize the plotter 4 Execute the INTERFACE CLEAR command Note Method 3 or 4 clears all the data in the plotter s buffer memory MP303 UM 251 9370 8 1 8 THE ERROR MESSAGES 8 3 HP GL Command Errors The plotter displays the mes
48. en speed or the pen force is too low increase the pen force Defective pen s Replace the pen s The pen solenoid is Replace the pen solenoid defective The pen solenoid is Replace the pen solenoid defective The Y flexible cable is Replace the Y flexible defective cable The main board is defective Replace the main board The X belt tension is Adjust the X belt tension incorrect See Section 5 1 The X roller pressure is Adjust the X roller pressure incorrect See Section 5 6 The Y belt tension is Adjust the Y belt tension incorrect See Section 5 2 The Y roller pressure is Adjust the Y roller pressure incorrect The perpendicularity is Adjust the perpendicularity incorrect precision The X home position has Adjust the X home position shifted See Section 5 10 The Y home position has Adjust the Y home position shifted See Section 5 11 The pen station position is the pen station incorrect position See Section 5 12 8 THE ERROR MESSAGES 8 ERROR MESSAGES 8 1 Hardware Error Displayed message This message appears when for some reason the current pen position POSITION 122 is invalid In this case turn the plotter off and then back on again XY ALARM 3 8 2 GP GL Command Errors In GP GL command mode the plotter displays the error messages below if an error occurs for which masking of the corresponding Error bit in the STATUS byte has been disable
49. es you to measure the pen force using the low pen force mode 5 Raise the pen using a 50 g dial tension gauge then measure the pen force at the point when the pen tip separates from the paper Press the UP ARROW POSITION key or DOWN ARROW POSITION key until the menu shown below appears Pen Up Down Press the LEFT ARROW POSITION key or RIGHT ARROW POSITION key to raise or lower the pen 6 Adjust the pen force using VR1 so that it is within the range of 20 to 33 g in the low pen force mode There is a hole for maintenance use on the lower left of the cover You can turn VR1 from this hole 7 Raise and lower the pen two or three times to get the correct pen force 8 Press the MODE key and then press the UP ARROW POSITION key or DOWN ARROW POSITION key until the menu shown below appears PEN TYPE W Fiber 9 Select PEN TYPE W Fiber by pressing the LEFT ARROW POSITION key or RIGHT ARROW POSITION key This selection enables you to measure the pen force using the high pen force mode 10 Raise the pen using a 50 g dial tension gauge then measure the pen force at the point when the pen tip separates from the paper Press the UP ARROW POSITION key or DOWN ARROW POSITION key until the menu shown below appears Pen Up Down Press the LEFT ARROW POSITION key or RIGHT ARROW POSITION key to raise or lower the pen 11 Adjust the pen force using VR1 so that it is within the range of 35 g to 50 g in the high pen force mode
50. g 5 14 When the pen holder is released If the pen holder doesn t lower completely loosen the pivot screw Fig 5 14 Tighten the nut of each pivot screw then secure the screws with adhesive Slide the Y slider assembly onto the Y bar and attach it 9 Adjust the Y belt tension see Section 5 2 Adjusting the Y Belt Tension 6 7 8 Attach the solenoid cover and Y pulley bracket 10 Attach the Y bar cover MP303 UM 251 9370 5 7 5 MECHANICAL ADJUSTMENTS 5 8 Adjusting the Pen Holder Height 1 Attach a pen to the pen holder and raise the pen 2 Use the M3 x 4 mm hexagonal adjustment screw to adjust distance A between the raised pen s tip and writing panel surface to 1 8 mm minimum 2 6 mm maximum Be sure to measure the minimum and maximum distances throughout the entire writing panel s surface Pen holder Adhesive Adjustment screw A Top surface of the writing panel Fig 5 15 3 When adjustment is completed apply adhesive to the adjustment screw MP303 UM 251 9370 5 8 5 MECHANICAL ADJUSTMENTS 5 9 Adjusting the Pen UP Spring After the pen UP spring is adjusted the pen force must be adjusted 1 Remove the solenoid cover 2 Attach a pencil plunger to the pen holder 3 Lower the pencil plunger slightly 0 5 to 1 0 mm below the pen UP position and temporarily loosen the pen force adjustment screw at that position 4 Gradually tighten the pen force adjustment
51. ig 4 27 4 Use soldering iron to remove the solder between the Y FPC cable and the solenoid then remove the pen solenoid Re assembly 5 To mount the pen solenoid perform the above Disassembly procedure in reverse 6 Adjust the pen force see Section 6 6 Adjusting the Pen Force MP303 UM 251 9370 4 15 4 REPLACING THE MECHANISMS 4 16 Removing the Bottom Panel Assembly Disassembly 1 Push the Y bar next to the pen station as shown in Fig 4 28 Fig 4 28 2 Place the plotter upside down on a table or other flat surface as shown in Fig 4 29 making sure not to strike the Y bar or pen block against the surface 3 Remove the six M3 x 8 mm tapping screws and two x 5 mm tapping screws securing the bottom panel assembly see Fig 4 29 then remove the bottom panel assembly Caution Be sure not to mix up the screws when replacing them Insertion of the wrong screws will damage the circuitry M3 x 8 tapping screw M3 x 5 tapping scre T E Bottom panel Fig 4 29 4 Disconnect all the FPC cables connector cables etc from the main board MP303 UM 251 9370 4 16 5 MECHANICAL ADJUSTMENTS 5 MECHANICAL ADJUSTMENTS 5 1 Adjusting the X Belt Tension 1 Remove the rear cover B right cover and front cover 2 Push the Y bar to the left next to the pen station 3 Remove the two black x 12 mm binding head screws from the Y motor cover and insert one into each tensi
52. isassembly 1 Loosen the three M3 x 8 mm tapping screws securing the right cover then remove one M3 x 8 mm binding head screw from the rear cover B 2 Remove the right cover while turning it slightly toward you see Fig 4 4 to release its three hooks see Fig 4 5 Right Cover Fig 4 4 Right Cover Re assembly 3 To attach the right cover insert its three hooks into the holes provided and then perform the above Disassembly procedure in reverse MP303 UM 251 9370 4 2 4 REPLACING THE MECHANISMS 4 3 Replacing the Front Cover Disassembly 1 Remove the right cover 2 Remove the three M3 x 8 mm tapping screws 3 Slide off the front cover as shown in Fig 4 6 Front Cover Fig 4 6 Re assembly 4 To attach the front cover perform the above Disassembly procedure in reverse MP303 UM 251 9370 4 3 4 REPLACING THE MECHANISMS 4 4 Replacing the Top Left Cover Disassembly 1 Remove the black M3 x 12 mm tapping screw from the bottom of the top left cover see Fig 4 7 2 Remove the two M3 x 8 mm tapping screws from the top of the top left cover see Fig 4 7 3 Disconnect the flat cable then remove the top left cover M3 x 8 mm tapping screw Top Left Cover M3 x 12 mm tapping screw Fig 4 7 Re assembly 4 To attach the top left cover perform the above Disassembly procedure in reverse MP303 UM 251 9370 4 4 4 REPLACING THE MECHANISMS 4 5 Replacing the Bot
53. m the Y slider see Fig 4 20 9 U X slider X roller adjustment bracket Y slider Fig 4 19 Fig 4 20 Re assembly 5 Attach the Y belt to the Y slider 6 Mount the Y slider and Y pulley bracket onto the Y bar 7 Adjust the Y belt tension see Section 5 2 Adjusting the Belt Tension 8 Attach the Y bar cover 9 Adjust the X rollers see Section 5 6 Adjusting the X Rollers Note Check the Y FPC cable to ensure that it is undamaged 8 9 MP303 UM 251 9370 4 12 4 REPLACING THE MECHANISMS 4 13 Replacing the Y Motor After the Y motor is replaced the X rollers X belt tension and Y belt tension must be adjusted Next run the pen retrieval test to check that pens are properly exchanged Disassembly 1 Remove the rear cover B and Y motor cover 2 Remove the relay board then disconnect the Y motor cable from the relay board 3 Remove the top left cover then push the X slider as far as possible in the X axis direction near the pen station 4 Remove the Y bar cover 5 Remove the X belt closer to the back of the plotter 6 Loosen the Y belt 7 Remove the two M3 x 6 mm tapping screws securing the X roller adjustment bracket assembly remove the X roller adjustment bracket assembly see Fig 4 21 then shift the entire Y bar assembly in the Y direction Note Be careful not to scratch the X rail X slider X adjustment bracket
54. nes are Non specified paper was The paper does not suit the Use the specified paper faint or blurred used pens being used The pen doesn t lower The plotted line quality is The plotter cannot perform pen retrieval correctly MP303 UM 251 9370 During pen retrieval During a plotting operation During initialization The POWER LED lamp lights Operations Specified paper was used Appears in the X axis Plotted lines are crooked Appears in the Y axis Plotted lines are crooked The plotter doesn t draw lines at right angles The retrieval position shifts to the X direction The retrieval position shifts to the Y direction The perpendicularity and X Y home positions are correct The X or Y motor is Replace the X or Y motor defective The main board is defective Replace the main board See The plotter cannot See The plotter cannot perform pen retrieval perform pen retrieval correctly shown below correctly shown below There is something blocking Remove the blocking object the X slider or Y slider The motor control is Replace the main board abnormal Incorrect X or Y home Adjust the X or Y home sensor position sensor position See Sections 5 10 5 11 The X or Y home sensor is Replace the X or Y home defective sensor The firmware is defective Download new firmware The main board is defective Replace the main board The pen speed is too fast or Reduce the p
55. ompts appearing on the display Vector sorting function This function speeds up plotting by minimizing the distance the pen travels in raised status from the end point of one line to the starting point of the next line Pen sorting function To speed up plotting by reducing the number of pen exchanges required this function reorganizes the sequence in which plotting is performed so that each color is completely plotted before selecting the next pen MP303 UM 251 9370 1 1 1 GENERAL DESCRIPTION 1 2 Specifications Model no 303 04 Model no Effective plotting area 432 x 297 mm 17 0 x 11 7 in 416 x 268 mm 16 3 x 10 5 in 404 x 285 mm 15 9 x 11 2 in 281 x 198 mm 11 1 x 7 8 in Maximum plot speed 7 Mechanical resolution 0 005 mm 0019 in Programmable resolution GP GL mode 0 1 0 025 mm 004 001 in HP GL mode 0 025 mm 001 in Noofpens j _ Compatible ink pen types Water based fiber tip pens Disposable ink pens 0 2 0 3 0 5 0 7 mm Refillable ink pens 0 2 0 3 0 5 mm Ceramic pens 0 2 0 3 0 5 0 7 mm Chart hold method Electrostatic adhesion Accuracy Distance within 0 3 0 1 mm whichever is larger Repeatability within 0 1 mm Perpendicularity within 1 0 mm 297 mm Pen exchange within 0 3 mm Interfaces RS 232C Centronics USB1 1 Command sets GP GL FP GL HP GL HP7475 emulation Power consumption 5 C to 35 C H
56. on bracket as shown in Fig 5 1 Next loosen the two M3 x 6 mm binding head screws with plain washer at each tension bracket by about a half turn 4 To adjust the X belt tension adjust the position of the tension brackets using the screws added in Step 3 that when a tension gauge 150 g maximum is used to cause a 10 mm displacement in the X belt at the position indicated in Fig 5 2 the force becomes 100 g x20 g Insert here M3 x 12 mm binding head screw Tension bracket Adhesive Tension pulley 10 mm 277 mm Fig 5 2 5 After adjustment is completed tighten the two M3 x 6 mm binding head screws with plain washer each tension bracket and secure them with adhesive then remove the M3 x 12 mm binding head screw inserted in each tension bracket in Step 3 and replace them in the Y motor cover 6 Attach the rear cover B right cover and front cover MP303 UM 251 9370 5 1 5 MECHANICAL ADJUSTMENTS 5 2 Adjusting the Belt Tension 1 Remove the Y bar cover 2 Loosen the two M3 x 4 mm binding head screws securing the Y pulley bracket by about a half turn see Fig 5 3 3 To adjust the Y belt tension pull the Y pulley bracket using a push pull gauge and then tighten the screws loosened in Step 2 at the point where the pull force becomes 1000 g 100 g Y bar cover Fig 5 3 4 Attach the Y bar cover MP303 UM 251 9370 5 2 5 MECH
57. s out all right either the sensor or main board may be defective In this case initialize the NOV RAM and then run the sensor test again 4 To exit the sensor test mode turn off the plotter and then return the SW1 setting to normal mode as shown below SW 1 i ull U OFF 2 3 1 4 Procedure Using control panel keys 1 Move the pen carriage manually to the upper left position so that it crosses the X home sensor and the Y home sensor 2 Hold down the UP ARROW POSITION key and DOWN ARROW POSITION key while you turn on the plotter 3 The menu below appears KEY amp LED TEST 4 Press the DOWN ARROW POSITION key to display the menu shown below SENSOR TEST 5 Press the ENTER key to put the plotter into the Sensor Test Mode MP303 UM 251 9370 6 13 6 ELECTRICAL ADJUSTMENTS 6 The status of each sensor is displayed on the LCD panel XH YH Display Sensor name when the High Low level changes XH X home sensor When the dog blocks the sensor Same as the above 7 If a sensor is not operating properly check its wiring connector contact and the position of the sensor dog If everything checks out all right either the sensor or main board may defective In this case initialize the NOV RAM and then run the sensor test again 8 To exit the Sensor Test Mode turn off the plotter MP303 UM 251 9370 6 14 6 ELECTRICAL ADJUSTMENTS 6 7 7 Control Panel Key Test
58. sages below when an error occurs for which masking of the corresponding Error bit in the STATUS byte has been disabled using the IM command Displayed message Cause E1 COMM ERR A command that cannot be recognized was executed Check that your program contains valid HP GL commands E2 PARA NO ERR E3 PARA EXCEEDED E5 PARA UNKNOWN MP303 UM 251 9370 A command containing an incorrect number of parameters was executed Check that the commands specified in your program are followed by the correct number of parameters A command containing a parameter value that exceeds its permissible range was executed Check the permissible parameter range A character that your plotter cannot plot was specified 9 DISASSEMBLY DIAGRAMS PARTS LISTS 9 DISASSEMBLY DIAGRAMS AND PARTS LISTS 9 4 Main Unit 035130123 Electrostatic Panel Same as 5300 618260100 Writing Panel Base gt 035130110 Insulating Sheet Same as 5300 773513500 Voltage Board y uq 9 1 Same as MP5300 Main Unit MP303 UM 251 9370 9 1 9 DISASSEMBLY PARTS LISTS 9 2 External Casing Description Q ty 618264150 Cover Right 035135023 Lower Left ou I OO 3 618264120 Cover Front _____ 4 618264140 Rer _____ 5 618260200 Bottom Plate 303 10 6 031000070 Rubber 4 Same as 5300 External Ca
59. sing MP303 UM 251 9370 9 2 9 DISASSEMBLY DIAGRAMS PARTS LISTS 9 3 Control Panel Section 1 618264100 Cover Upper Left aeri 2 618260300 Control Panel PR312003 771826570 LCD Assembly DMC50448N E AE CA312001 1 031000160 Caution Label No 2 11111 Same as MP5300 Control Panel Section MP303 UM 251 9370 9 3 9 DISASSEMBLY DIAGRAMS PARTS LISTS 94 Bottom Panel Part Name 618260200 Bottom Plate 303 114 771826500 303 618264210 Terminal Label 303 618264200 Model Label 303 Bottom Panel MP303 UM 251 9370 9 4 9 DISASSEMBLY PARTS LISTS 9 5 X Axis Slider X Axis Drive Station Part No Description Q ty 035132013 035132022 Same as MP5300 035132030 303100012 035132040 035132220 035132230 Same as MP5300 035132080 302200015 58320 Same as 300 035032260 509000014 035132200 Same as MP5300 380000057 035032341 2 5300 311605068 62522 353513001 5 4 5 17 353513002 18 359800008 Same 5300 9 035132210 X Belt 1820 Same as MP5300 20 035132160 Tension Bracket Front Same as MP5300 21 035132170 22 035132190 X Limit Bracket 23 035130102 24 035135041 5 618260100 26 773513080 Board 5406 508000015 Sensor GP1A53HR 105401150 8 05410 508102285 W SPPB TYPE1
60. the Test MOdGS aei 6 8 67 1 Self 6 8 6 7 2 Character Dump ModE vi seccisescicedscicsececcedeniesctvescdesseseusacesvacssiscesurdectsdndvensdadvecassedenvsdedsssuce 6 9 6 7 3 Debug Mode cider rrr EUR FEL EG FERE AV e osaa 6 10 6 7 4 Pen Retrieval Test Mode aint u u u nie Eni ana naa 6 11 6 7 5 Running Test Mode 6 12 6 7 6 Sensor Test Mode asocia enixa dien ECL Urbi ad Du lvi aaa Ra 6 13 6 7 7 Control Panel Key Test Mode prre ri Eee u u aa 6 15 T TROUBLESHOOTING recess 1 1 7 1 The Plotter is Turned But Doesn t Operate 7 1 7 2 During Plotting Operations U 7 1 8 ERROR MESSAGES ae ee 8 1 8 1 Hardware zip i x 8 1 8 2 GP GL Command Errors 8 1 8 3 HP GL Command Errors reper 8 2 MP303 UM 251 9370 iii 1 GENERAL DESCRIPTIONS 9 DISASSEMBLY DIAGRAMS AND PARTS LISTS 9 1 Unit ya ot ty rice tote eee MeL EMI 9 1 9 2 External Casing uuu
61. tom Left Cover Disassembly 1 From the bottom panel remove the six M3 x 8 mm tapping screws and two black M3 x 5 mm tapping screws see Fig 4 8 Bottom panel M3 x 5 tapping screw M3 x 8 tapping screw Fig 4 8 2 Remove the one M3 x 8 mm tapping screw from the rear cover B then remove the bottom left cover see Fig 4 9 M3 x 8 tapping screw Bottom left cover Fig 4 9 Re assembly Caution Be sure not to mix up the screws when replacing them Insertion of the wrong screws will damage the circuitry 3 To attach the bottom left cover perform the above Disassembly procedure in reverse MP303 UM 251 9370 4 5 4 THE MECHANISMS 46 Replacing the Y Motor Cover Disassembly 1 Remove the two black M3 x 12 mm binding head screws then remove the Y motor cover see Fig 4 10 M3 x 12 mm binding head screw Y motor cover Fig 4 10 2 To attach the Y motor cover perform the above Disassembly procedure in reverse MP303 UM 251 9370 4 6 4 REPLACING THE MECHANISMS 4 7 Replacing the Solenoid Cover Disassembly 1 Remove the two M2 x 6 mm binding head screws then remove the solenoid cover see Fig 4 11 M2 x 6 mm binding head screw Solenoid cover Fig 4 11 2 To attach the solenoid cover perform the above Disassembly procedure in reverse Caution Ensure that the solenoid cover does not contact the Y bar Fig 4 12 shows an example of an incorrectly
62. umidity 35 to 75 RH External dimensions _1670 mm W x 449 mm D x 130 mm H Weight Approx 6 2 kg MP303 UM 251 9370 1 2 1 GENERAL DESCRIPTION 1 3 External Dimensions MP303 UM 251 9370 1 3 2 DESCRIPTION OF PARTS 2 DESCRIPTION OF PARTS 2 1 Description of Parts 1 Pen station Holds pens ready for use and is numbered consecutively from pen 1 through pen 8 from the bottom to the top 2 Control panel Contains the keys used for controlling the plotter s operations and the lamps which indicate the current plotter status 3 carriage Holds currently selected pen 4 Ybar This sliding bar travels in the X axis direction to move the pen carriage and enable plotting 5 Writing panel Holds the paper using an electrostatic adhesion panel 6 Display Liquid crystal display allows functions to be set interactively 7 AC inlet Plug the AC adapter into this AC line inlet 8 Power switch This switch controls the ON OFF status of the plotter s power supply 9 RS 232C connector To use the RS 232C serial interface connect your computer to the plotter via this connector 10 Centronics connector To use the Centronics compatible parallel interface connect your computer to the plotter via this connector 11 USB connector To use the USB interface connect your computer to the plotter via this connector MP303 UM 251 9370 2 1 2 DESCRIPTION OF PARTS 2 22 The Control Panel
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