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EPSON Stylus Color 600

1. aguas ua paqu 3 3 2 DISASSEMBLY AND ASSENBLY 4 3 2 1 Housing HemOoVdl 55 9 5 2 2 2 S e rv eoa Ie DEus Ee 5 9 2 2 B ardS Removal u 6 3 2 3 Control Panel R movVal uuu u na aw sasay aaa 8 3 2 4 Waste Ink Pad Assembly Removal J 9 3 2 5 Disassembling the Printer Mechanisxnm J 10 322 0 Prithead c t cde 10 3 2 5 2 Pump Assembly and Cap Assembly 12 9 2 5 9 CR Motor ASSembly Removal u uu s inten costes emp ee 14 3 2 5 4 PF Motor Assembly 16 9 2 55 ASF ASSEMDIY n aum up a basa 18 T AO DIS3aSSSI nb cosas uUa xs seat ar adu d ta Yi tuy Fu Ua ecc a CU ER D Cc e 20 3 2 5 5 2 Pick Up Roller Assembly Removal 22 3 2 5 6 Carriage Assembly 24 3 2 5 7 PE Roller Assembly Removal u u a u a 26 3 2 5 0 PE Sefisor Assembly REMOVAl uu uuu tc
2. 25 KSO Fata el POU MI Sa M 25 1 6 Printer InialiZatioDs suo irc aee Dira Er Eri FR Fare Era Y wn Evi 26 1 6 1 Initialization e eaae eue aues quoa ce ee CCP e dose ccv pA Pone 26 1 7 Main Components J T 27 17 1 Printer Mechanisms yuyu uu uuu uuu un 27 1 7 2 200 MAIN u uu u u aet eee losen ee cue au nia da ino eoa inae le tute au qa tuae dem 28 1 7 3 6205 PSB PSE Board u nya nuk au iu ukya 29 1 7 4 0206 PNL Board uapa eon aiio 29 Chapter 1 Product Description 1 1 Features EPSON Stylus Color 600 is designed for low price for that high performance The major printer features are High color print quality B 1440 H x 720 V printing B Standard 4 color printing B Traditional and New Microwave control to eliminate banding Q Built in auto sheet feeder B Holds 100 cut sheets 64g u B Holds 10 envelopes B Holds 10 transparency films B Holds 65 special papers Q High speed print B 200cps at LQ 10CPI No Draft mode B By driving the printhead at frequency 14 4KHz printing speed is twice faster than Stylus Color Compac
3. O qas 13 12 10 SAICLY AD DOV AIS eL 13 Us COUSUIC erbe rc 13 12 12 CE Marking 13 1 2 13 Printer Language and Emulation J J J 14 TS MALO IAG ENDO 16 1 3 1 Parallel Interface Forward 4 16 1 3 2 Parallel Interface Reverse Channel J u 17 1 3 2 1 Prevention Hosts from Data Transfer Time out 19 133 RE Lm E 20 UTE 21 141 uuu aan untu gunun 21 1 4 2 22 1 4 3 Printer Condition and Panel Status J 23 SIRI S u ua 24 I 5 link OU ai EP 24 1 5 2 Paper QUE ere tener Sor 24 19 3 I A me LES 24 5 4 NO lrik CartHdge EOT 25 19 9
4. ar EEE S 3510ANFJ IC10 5 Figure 2 23 Timer Circuit Block Diagram The followings explain about operation of this circuit When the printer is on power is supplied to the Timer IC by applying 5V quickly through the D4 B This power is also used for the power to oscillate the outer CR3 The oscillation wave form is input to XIN terminal B Since the oscillation wave form of CR1 is analog waveform it is processed into the pulse form in the Timer IC B When the printer is turned on the Timer IC outputs power off time as serial data to the gate array B Once the printer is turned off 3VDC of lithium battery is supplied as power source for the Timer IC through D1 B Since 5V at the power on is higher than 3V of the lithium battery the power is not being consumed from the lithium battery 2 2 2 5 DRAM Control In the Dynamic RAM control output and formation of CAS and RAS control signals become necessary in addition to the output of CS signal The CPU TMP95CO0614AF not only controls that but also perform the output of CS signal of P ROM Refresh timing is performed in the CAS Before RAS 2 26 Chapter2 Operating Principles 2 2 2 6 Print Head Control Circuit The print head control circuit of Stylus Color 600 has following characteristics Common waveform circuit became one HIC B Micro vibration mode is added when the CR motor is accelerating B High speed drive 14 4KHz trape
5. DB1 C11 T1 Full W p Smooth ull Wave moothing E e 42VDC Rectifier circuit circuit C51 T v moo 7081 86 5V cem circui ircuit IC51 L1 Ri R2 1 4 2051 circuit C91 R 42V constant Main switching A voltage control 5VDC Filter Circuit circuit gt N circul S C84 Q84 ZD52 87 ZD53 Power OFF 42V overvoltage 5V overvolta Q2 03 Q31 PC1 p AR vervoltac ge di A Delay circuit protection circuit protection circuit Prevention of current flow eed A e PSO Signal PC1 4 Photo coupler 1 AC100V Figure 2 18 C206 PSB PSE Board Block Diagram The C206 PSB PSE board has various control circuits to stop output if malfunction on the power supply board on the main board or on the duty of printer mechanism happen Following explains each control and protection circuits 1 42V Line Constant Voltage Control Circuit The output level of the 42V line is monitored by a detection circuit consisting of seven Zener diodes This circuit prevents voltage from dropping for constant output voltage 2 5V Line Over voltage Protection Circuit This protection circuit is in the same line as 42V overvoltage protection circuit is located The output voltage level of the 5V line is monitored by a Zener diode This circuit shuts down the circuit operation forcefully when the voltage level exceeds 9V 3 42VDC Line Over voltage Circuit This ciruit is in the same line as 5V line ov
6. upas 26 2 2 2 DDRAM GoOnlro uuu u unu NL 26 2 2 2 5 FIC ad Cont olieen sn 27 2 2 2 7 PF Pump Motor Drive nnm 30 222 8 GE M0oOLDINSGUOICGCUI iuuyyy u 31 Chapter2 Operating Principles 2 1 OVERVIEW This section describes Printer Mechanism electric circuit board C206 PSB C200 Main C206PNL board of Stylus Color 600 2 1 1 Printer Mechanism Unlike previous EPSON Ink Jet printers printer mechanism of Stylus Color 600 does not have exclusive mechanism to change over paper feeding and Pumping operation In stead this control is done by the turning direction of paper feed pump motor and position of carriage at that time Also unlike previous print heads print head of this printer became one unit combined with black and CMY head Black head has 64 nozzles 180 dpi vertical direction and CMY head has 32 nozzles 90 dpi vertical direction Also since these print head is driven by frequency 14 4KHz this printer can print double resolution 1440 dpi 100 dpi than Stylus Color Following figure2 1 shows outline of printer mechanism oince the head drive frequency of Stylus Color was 7 2KHz it could be only 720 printing when it driven by 100 cps carriage speed It performs two pass carriage operation when Stylus Color 600 performs the 1440 dpi printing towards the
7. CUSTOMER STYLUS COLOR 600 J90COOE 1 000 EUROPE 2 010 USA 3 020 RUSSIAN Select No _ SCREEN 2 INK Jig 1 Jig 2 Cartridge Select No _ SCREEN 3 SETTING MENU 9 Production Outgoing Inspection Date Time DOCXX XXXX XX XX XX Jig CT Jl JIG CT Cartridge WAIT 80s Customer 010 USA BI D Center 0 JIG Maintenance Select No _ SCREEN 4 lt MAIN MENU for Production gt 90 00 VH Setting Ink Charge Angular Adjust Print XX XX XXXX XX XX XX Angular Adjust Setting Bi d Adjust Customer 010 USA Printing Inspection GOS JIG No Printing Inspection S F M C No Printing Inspection Envelope HEAD VH CL Cleaning 9 INK Discharge E Go to SETTING MENU 1 Production Select No _ Rev Chapter 4 Adjustment 4 2 2 3 VH Setting The piezo electric element used in each printhead unit has unique electrical characteristic and the electrical characteristic of each printhead is measured at the production and each printhead unit is given with the ID code Therefore this ID code is need to be stored in EEPROM on the main board when the following service is made and the printer read this information to compensate the difference of characteristic for printing control and an amount of injected in k is maintained at the specified level B Replacing the printhead unit B Replacing the printer mechanism the after
8. N Figure 1 2 Adjust Lever Settings 1 6 Rev Chapter 1 Product Description 1 2 4 Printable Area 1 2 4 1 Cut Sheet Following tables show printable areas at Character mode and Raster Graphics mode Table 1 6 Character Table Paper size PW PL LM RM TM BM Paper width Paper Left margin Right Top margin Bottom typ Length min margin min margin A4 min min typ A4 210mm 8 3 297 11 7 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Letter etter Executive 190 5 7 5 254 10 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Table 1 7 Raster Graphics Mode Paper size PW LM RM TM BM Paper width Left margin Right Top margin Bottom typ min margin min margin A4 typ min min A4 210 8 3 297 11 7 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 216mm 8 5 356mm 14 0 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Executive 190 5mm 7 5 Printable Area Figure 1 3 Printing Area for Cut Sheet Rev A 1 7 EPSON Stylus Color 600 1 2 4 2 Envelope The table and figure below show the printable area for envelopes Table 1 8 Envelope TM BM Top Margin Bottom Margin Paper Size RM Left Right Margin i min min in in 3mm 0 12 28mm 1 10 min min 3mm 0 12 14mm 0 55 3mm 0 12 7mm 0 28 3mm 0 12 14mm 0 55
9. Rev A EPSON Stylus Color 600 A 5 Exploded Diagrams x Figure A 6 Stylus Color600 Exploded Diagram 1 Rev A A 13 Appendix Figure A 7 Stylus Color600 Exploded Diagram 2 Rev A A 14 EPSON Stylus Color 600 Rev A EPSON OVERSEAS MARKETING LOCATIONS EPSON AMERICA Inc EPSON DEUTCHLAND GmBH 20770 Madrona Avenue Z lpicher 5 6 4549 D sseldorf P O Box 2842 Germany Torrance CA 90509 2842 Phone 800 922 891 1 Phone 0211 56030 Fax 310 782 5220 Telex 8584786 EPSON UK LTD EPSON FRANCE S A Campus 100 Maylands Avenue 68 bis rue Marjolin 92300 Hemel Hempstead Herts HP2 7TJ Levallois Perret U K France Phone 44 01442 61144 Phone 1 4087 3737 Fax 44 01442 227227 Telex 610657 EPSON IBERICA S A EPSON ITALIA S P A Avda de Roma 18 26 V le F lli Casiraghi 427 08290 Cerdanyola del Valles 20099 Sesto S Giovanni MI Balcerona Spain Italy Phone 582 15 00 Phone 2 262331 Fax 582 15 55 Fax 2 2440750 EPSON AUSTRALIA PTY LIMITED EPSON SINGAPORE PTE LTD 1 70 Gibbes Street No 1 Temasek Avenue 36 00 Chatswood 2067 NSW Millenia Tower Australia Singapore 039192 Phone 2 9903 9000 Phone 065 3377911 Fax 2 9903 9177 Fax 0653341185 EPSON HONG KONG LTD EPSON TAIWAN TECHNOLOGY amp TRADING LTD Rooms 4706 10 47 F China Resource Bldg 10F No 287 Nonking E Road Sec 3 26 Harbour Road Wanchai Hong Kong Taipei Taiwan R O C P
10. l Table 9 Connector CN11 Signal Name Function GND j Groud 2 3 ASFV NEC NI Sensor power supply 45V A 4 Rev A EPSON Stylus Color 600 A 3 EEPROM Address Map Settings Settings Password 0 __ 5H __ _ 1 02H Market 0 Word 00H 2 Custom MJ 3 Custom Stylus Color 4 Custom o 0x n x40 05H 06H Resevd OH 08H Carriage speed adjustment 4 lt n 4 by G A timer unit 1 data 09H VhN Twh2 VhM VhMs OEH OFH pe P FE OOH 12H ke OBH 01H 0CH 10H 00H 12H Custom EEPROM sub OOH number 13H 14H 15H 16H 17H E 1CH CPSI flags bit7 CPSI license 0 Disable 1 Enable bit6 CPSI Font license 0 Disable 1 Enable 1DH 1EH EEPROM Revision 22H Interface selection O Auto 1 Parallel OOH 2 Serial Note change model name of IEEE1284 device ID 1 Adjusted at factory 2 Initialized after performed panel initialization of EEPROM OOH OOH OOH OOH OOH OOH 5 O O IO O O IO O 00H 2 no h Kk I I I c I Rev A A 5 Appendix emot Lee settings settings 25H Font 0 Courier 1 Homan 00H 00H 2 Sans Serif 3 Prestige 4 Script 5 Roman T PS 6 Sans Serif H PS 7 Draft 26H Pitch 1 12 OOH OOH 5 Propotional Print directio
11. 2 1 OVERVIEW uuu uuu uuu u uuu isu uwi 1 2 1 1 Printer Mechanism Em 1 SE PAPINO MECN am E M 2 3 2 1T PHNIDO Melt ioa uuu cad PUR 4 2 1 1 2 Garage MECHANISM scu eia roni cc Ie odo 7 21 42 Paper Gap Adjust Mechanism ee 10 2 1 1 3 Paper Feed Mechanism and Pump Mechanism 11 Zl E Re cH anced 14 AN PUMP MT 15 Gap Mechans oda buo masm ata 17 2 2 Electrical Circuit Operating Principles esses 18 2 2 1 C200 FSB PSE BOAT LA RO dou suu k Qa k QD 19 2 2 2 C200 MAIN cde uu uad Lava LUE 21 2 2 2 NCIS SOY Gilceulllevuuuu uy uu u yu ask 23 2 2 2 2 ENSO Ite 24 2 2 2 3 EEPROM Control 25 22 2 4 Tiber ie tess tesa cea ei dels
12. 1 1 4 of gear tooth 2 1 3 of gear tooth 3 1 3 of gear tooth 1 3 of gear tooth lt Lubrication Point Verify that the carriage moves smoothly Contact between the carriage assembly after lubricating it and FRAME UPPER Use a syringe to apply it 6 2 Rev A Chapter 6 Maintenance Table 6 3 Lubrication Points Continued No Standard Remaks J 5 lt Lubrication Point gt Use a syringe to apply it The shaft for GEAR 16 40 8 at FRAME LEFT Lubricant Type G 26 Lubrication Amount Approx 5mm long Lubrication Point When applying to the right bush apply it Bush for ROLER PF from the side of the paper path and wipe 1 Left Inside the bush off any grease stick out to the cap 2 Right Inside the bush near the assembly side pump assembly Rotate ROLLER PF after applying the grease to evenly distribute it in the bush Use a syringe to apply it oe 0 26 Lubrication Amount Approx 3mm diametrically Lubricant T 7 lt Lubrication Point Do not put grease around the paper path Both Left Right Bush for ROLLER EXIT Use a syringe to apply it oe G 26 Lubrication Amount Evenly apply inside the bush Lubrication Point Verify that the holder slides only with a Contact between HOLDER PULLEY spring force after applying the grease lt Lubricant T DRIVEN and FRAME UPPER Use a syringe to apply it Lubric
13. In the Stylus Color 600 there is no switch or mechanism to change over the pump paper feed mechanism Therefore whenever the paper feed pump motor rotate pump drive roller in the pump unit inside rotates However ink absorption non ink absorption are separated by the roller rotational direction Also even if the pump driver rotates toward ink absorption and the carriage position is in the false absorption position only driving in the pump mechanism is performed and actual ink attraction is not done The figure below shows process of conveying motive power to the pump drive roller Gear A Axis of Paper Eject Roller s GearB Actually these parts Compression are one unit Spring qv Pump Drive Roller Figure 2 14 Pump Mechanism Power Transmission Process The process of conveying the motive power to the paper eject roller by rotating the pinion of PF motor is descried in figure 2 14 This motive power is conveyed to the Gear C through Gear B In the figure above although the lever in order to drive Gear C carriage lock head cleaner mechanism is shown separately it is constructed as one unit Since the engagement of these two parts depends on the tension of the compression spring if the lever is burdened only Gear C and pump roller rotate and no more motive power is conveyed to the lever part Rev 2 15 EPSON Stylus Color 600 The table below shows PF Pump motor rotational direction and pump system operation
14. Printing Inspection GOS JIG No Printing Inspection S F M C No Printing Inspection Envelope HEAD VH CL Cleaning 9 INK Discharge E Go to SETTING MENU 1 Production elect No _ SCREEN 5 lt lt lt lt Head VH Setting gt gt gt gt Head VH 5Col ID ex 18109 or 18A09 M C No HEAD VH 4 8 Rev A Chapter 4 Adjustment 4 2 2 4 ead Angular Adjustment The head angular means the angle at which the printhead unit installed on the carriage assembly against the carriage movement direction and the printhead must be parallel with the carriage movement direction so that the lines printed with each nozzle are evenly positioned Therefore this adjustment should be made when the following service is made Replacing or removing the printhead unit The head angular actually set by the adjust lever installed on the carriage assembly and the program print the check pattern to see the level of head angular 1 Before performing this adjustment be sure to perform VH Setting Refer to section 4 2 2 3 2 Atthe main menu SCREEN 4 input 3 to select Angular Adjust Print and press ENTER key Check to see if the lines printed in MAGENTA color is positioned in the middle of two BLACK lines with the check pattern printed by the program If the position of MAGENTA lines are incorrect input K at the main menu and the carriage assembly moves to the middle of the printer Then loosen a screw No 3
15. Table 2 11 Relationship Between Pump Motor Rotation and Pump Operation PF Pump motor rotational direction Pump unit operation Clockwise CW 1 Release from the Pump pressure welding forward rotation 2 Head cleaner reset 3 Carriage lock reset Counterclockwise CCW 1 Rotation towards pump pressure welding backward rotation 2 Head cleaner set 3 Carriage lock set The figure below shows the pump operation at clockwise and counterclockwise rotation CW Rotation CCW Rotation TP f I Tube pressured Tube released Figure 2 15 Pump Roller Rotation and it s Operation In the ink absorptive operation such as cleaning flushing initial ink charge except for printing operation ink in the ink cartridge drains to the waste ink absorber pad through the cap by the pump unit drive In case of printing and flashing drive ink is popped out by the PZT in the print head but in case of absorptive operation such as cleaning and initial ink charge ink absorption is performed only by the pump drive without PZT drive after the head surface is adhered to the cap The next page explains cap mechanism and relation between printer operation and cap 2 16 Rev A Chapter2 Operating Principles 2 1 1 4 2 Cap Mechanism In the cap mechanism in order to prevent ink from being thickened on the head surface it is controlled that the head surface stays adherent to the rubber frame of the cap surface when the power is off The absorber is spread
16. 4 C environment however it will be useable after placing it more than 3 hours at 25 C Rev EPSON Stylus Color 600 1 2 6 Ink Cartridge Specifications 1 2 6 1 Black Ink Cartridge Table 1 9 Black Ink Cartridge Specifications lem Specifiatons O Validity 2 years sealed in package 6months out of package Environmental L Temperature conditions B Storage 20 40 C within a month at 40 C B Packing storage 30 40 C within a month at 40 C B Transit 30 60 C within 120 hours at 60 C and within month at 40 Humidity B 5 85 without condensation Resistance to vibration B Sealed in package 5 55Hz B Acceleration Less than 29 4m s 3G B Direction Y Z direction B Time 1 hour Drop B Sealed in package O Dropping height Less than 0 80m Direction Drop the package facing the bottom sides and one edge down B Out of package O Dropping height Less than 1 50m O Frequenc Weight Total ink cartridge 549 B Total ink 16 4 0 59 Amount in the ink cartridge B Consumable ink More than 12 19 Useable ink ili Note 1 Ink cartridge can not re fill only ink cartridge is prepared for article of consumable 2 Do not use the ink cartridge which is passed away the ink life 3 Ink will be frozen under 4 environment however it will be usual after placing it more than 3 hours at room temperature 512 Figure 1 6 Ink Car
17. Adjustment Procedure Overlap 0 5mm or more Printhead Nose face CLEANER HEAD Figure 4 3 CLEANER HEAD Overlap Rev A 4 3 EPSON Stylus Color 600 Service Manual 4 2 2 Adjustment using Adjustment Program oince the characteristic of printer mechanism and its components are varying every printer mechanism are checked and it s own characteristic information is stored in EEPROM of the main control board as a compensation parameter for the mechanism control Therefore if the combination of printer mechanism and the main control board is changed the printer should be adjusted using the adjustment program in order to maintain optimum performance of the printer 4 2 2 1 Overview of Adjustment Program This adjustment program is developed specifically for this printer and the basic operation with this adjustment program is illustrated in figure below START Main Menu Item Selection Head VH voltage ID writing Head Angle Initial Ink Charge Bi D Adjustment Adjustment Performance of Initial Input of appointed Pattern printing Pattern printing ink charge process VH voltge ID Me oe nput of correc Adjustment values Figure 4 4 Adjustment Program Flow T4 Rev A Chapter 4 Adjustment 4 2 2 2 Ink Charge Operation If either of the following service is made internal ink paths of the printhead unit is completely empty Ther
18. Make the specified adjustments when you disassemble the printer See Chapter 4 for details Rev A 3 1 EPSON Stylus Color 600 Service Manual 3 1 2 Specification for Screws Table 3 1 lists the abbreviation of screws and its use Refer to the screw number in the following table to identify the type of screw shown in the disassembly procedures Table 3 1 Screw Identification Table Shae Standard CBS M3x6 Cross Bind S tight screw M3x10 CBP M3x6 Cross Bind P tight screw M3x10 CP Cross Pan head screw CBS with Washer Cross Bind S tight screw with 3 1 3 Tools Table 3 2 lists the tools required for disassembling and assembling the printer Use only specified tools to avoid damaging the printer Table 3 2 Required Tools Availability EPSON Parts Code Philips Screw Driver No 2 B743800400 B741000100 Hexagonal Box Driver 5 5mm B741700100 3 2 Rev A Chapter 3 Disassembly and Assembly 3 1 4 Work Completion Check If any service is made to the printer use the check list shown below to confirm that all works are completed properly and the printer is ready to return to the user Category ltem Check Point Stats Main Unit Self Print Test Is the printing successful LiChecked LINot necessar Online Print Test Is the printing successful L IChecked LINot necessar Printhead Are any nozzles broken L1Checked L1Not necessar
19. NWARNING 7 Never apply oil to the CR guide shaft directly or additionally apply to oil pad This may cause fatal damage to the components of the printer Never apply the oil exceeding 0 6cc No 12 Oil pad Carriage Assembly bottom view SHAFT CR GUIDE 6 4 Rev A Chapter 6 Maintenance GEAR 34 No 3 6 5 Rev No 5 EPSON Stylus Color 600 Service Manual COMBINATION GEAR 8 14 4 gt L 7 z e cm CL NN ese CLN N No 6 4 GEAR 23 2 GEAR 16 40 8 Z A N cO lt LLI e Rev A 6 6 Chapter 6 Maintenance HOLDER PULLEY DRIVEN HOPPER ASSEMBLY FRAME ASF No 9 Rev A Appendix Ac Connector Summary u uu u om unica A 1 A 2 Connector Summasry A 2 5 A 4 Circuit Board Component Layouts J J J A 9 5 Exploded Diagram Siscie Qi A 13 EPSON Stylus Color 600 1 Connector Summary Stylus Color 600 has the following primary component units e Main Board C200Main Power Supply Board C206 PSB PSE e Printer
20. at right most position viewed from the front be careful with the detection lever of the PE sensor Be careful not to damage the hook of PAPER GUIDE FRONT B during disassembly and assembly Be careful not to damage the black coated part of ROLLER ASSEMBLY PF during disassembly and assembly Be careful not to damage the gears PAPER GUIDE LEFT PAPER GUIDE ASSEMBLY UPPER SHAFT PAPER GUIDE UPPER TWIST SPRING 117 6 Figure 3 21 PAPER GUIDE ASSEMBLY Removal 3 26 Rev Chapter 3 Disassembly and Assembly PAPER GUIDE LEFT PAPER GUIDE ASSEMBLY UPPER SHAFT PAPER GUIDE UPPER TWIST SPRING 117 6 GUIDE PLATE CABLE o E5 6 pieces Figure 3 22 ROLLER ASSEMBLY PAPER EXIT Removal PAPER GUIDE FRONT B ROLLER ASSEMBLY PAPER EXIT Figure 3 23 ROLLER ASSEMBLY PF Removal Rev A 3 27 EPSON Stylus Color 600 Service Manual 3 2 5 8 PE Sensor Assembly Removal 1 Removing the upper housing Refer to section 3 2 1 2 From the front side of the mechanism unhook two hooks fixing SENSOR ASSEMBLY PE to the 3 mechanism Then slide it to upward to remove it After removal disassemble the assembly if necessary WORK POINT Release these hooks to dd remove the PE Sensor Assembly di From the back side of the mechanism HOLDER PE To frame BOARD ASSY PE LEVER PE Figure 3 24 PE Sensor Assembly Removal 3 26 Rev A Cha
21. fixing FASTNER HEAD and shift the position of angular adjust level located at the right bottom of the carriage assembly to either forward move MAGENTA line to down or backward move MAGENTA line to up 4 After adjusting the position of angular adjust lever input 3 to print the check pattern and verify the angular level If the level is still not correct repeat the step 3 5 Ifthe level is correct input again and tighten a screw to fix FASTNER HEAD Then at the menu SCREEN 6 input Y and press ENTER key to complete the adjustment Printed pattern BLACK line MAGENTA line o 1 Shift the lever to Backward Printed pattern 6 Shift the lever to p Forward Angular Adjust Lever Right bottom of the Carriage Assembly Figure 4 6 Head Angular Adjustment Rev A 4 9 EPSON Stylus Color 600 Service Manual SCREEN 4 MAIN MENU for Production J90COOE VH Setting Ink Charge Angular Adjust Print XX XX XXXX XX XX XX Angular Adjust Setting Bi d Adjust Customer 010 USA Printing Inspection GOS JIG No Printing Inspection 5 M C No Printing Inspection Envelope HEAD VH CL Cleaning 9 INK Discharge E Go to SETTING MENU 1 Production Select No _ SCREEN 6 Push Y Key 4 10 Rev A Chapter 4 Adjustment 4 2 2 5 Bi D Alignment Adjustment This adjustment defines the carriage drive control parameters t
22. 31 360 Note 1 Note2 Note3 Note4 POL M W 29 720 30 32 4 29 M W means Micro Weave FOL means Full Overlap Micro Weave POL means Part line Overlap Micro Weave Forward Overlap Nozzle and backward Overlap Nozzle are described in the 1 Full Overlap Mirco Weave and 2 Part line Overlap Micro Weave below Following explains operation outlines of new Micro Weave functions listed above 1 Full Overlap Micro Weave In order to print one line at horizontal direction this printing method is designed to complete a printing pattern by two pass carriage operation with two different types of dot When this two different types of dot pass one same line twice it does not print the same dot twice The nozzles whose configuration completely match to the black and CMY nozzle are used Usually Micro Weave type Therefore all nozzles in case of CMY nozzle and 1 63 nozzles in the B2 line in case of black head are its objects B1 line is not used at Micro Weave Refer to figure1 1 for detail of nozzle configuration Out of these 4 color nozzle objects the number of all nozzles which are going to be used are divided equally into 2 groups Paper feeding will be done as many as each number of nozzles which are divided into two groups and the same number of dots for example if there are two 10 nozzle groups during 360 printing at longitudinal direction paper feeding of 10 360 inch becomes available At
23. 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 55 Printable area Figure 1 4 Printing Area for Envelope Rev A Chapter 1 Product Description 1 2 5 Environmental Condition Temperature B Operating 10 35 C Refer to the figure below for condition B Non operating 20 60 C with shipment container Note Storage should be within one month at 40 C and 120 hours at 60 TC Humidity B Operating 2096 8096 RH without condensation Refer to the figure below for condition B Non operating 5 85 RH without condensation and with shipment container Humidity RH x Guaranteed range G 10 C 2786 C 50 F 80 F 95 F F Figure 1 5 Temperature Humidity of Range 1 Resistance to shock B Operating 1G within 1 ms X Y Z directions B Non operating 2G within 2 ms X Y Z directions with shipment container Q Resistance to vibration B Operating 0 15G 10 55Hz X Y Z directions B Non operating 0 50G 10 55Hz X Y Z directions with shipment container Note 1 During non operating make sure that the head is capped During the transport make sure that the head is capped and ink cartridge is installed to the printer 3 Ifthe head is not capped at the power off state turn the power on with the ink cartridge installed and turn off the power after confirming that the head is correctly capped 4 Ink will be frozen under
24. Code B 2 and expanded raster graphics code B EPSON Remote command L Character Tables Legal and 14 international character sets B Standard version B NLSP version Typeface 1 B Bit map LQ font EPSON Roman EPSON Sans Serif EPSON Courier EPSON Prestige EPSON Script EPSON Roman EPSON Sans Serif EPSON Roman T EPSON Sans Serif H B Scaleable font Note 11 character tables See Table 1 4 for details 19 character tables See Table 1 4 for details 10 12 15 CPI Proportional 10 12 15 CPI Proportional 10 12 15 CPI 10 12 15 CPI 10 12 15 CPI 10 5 pt 8 to 32 pt every 2 pt 10 5 pt 8 to 32 pt every 2 pt 10 5 pt 8 to 32 pt every 2 pt 10 5 pt 8 to 32 pt ON 1 Each typeface has four different font style Normal Bold Italic and Bold Italic Table 1 4 Character Table and Typeface Character Table FES Standard Italic PC437 US Standard Europe PC850 Multilingual PC860 Portuguese PC861 Icelandic PC863 Canadian French PC865 Nordic BRASCII Abicomp Roman 8 ISO Latin 1 Italic PC437 US Standard Europe PC850 yi ter PC437 Greek PC852 East Europe PC853 Turkish PC855 Cyrillic NLSP PC857 Turkish PC866 Russian PC869 Greek MAZOWIA Poland Code MJK CSFR ISO 8859 7 Latin Greek ISO Latin 1T Turkish Bulgaria Bulgaria PC774 Estonia ISO 8859 2 ISO Latin 2 PC866 LAT EPSON EPSON
25. IC2 E05B43 in the figure above Table 2 13 Specifications of H8D2813 Operation Contents Power Voltage 42V 5 otarts supplying after 5V rises and be stabilized Stops supplying before 5V drops Final drive element 25C3746 for charging 2SA1469 for discharging Reset Operation Off on the both charging and discharging sides Supplies drive power source This common voltage trapezoidal wave form can be observed anytime after the 5V rises even if there is printing data or not Q7 3 pin or Q9 3 pin and GND on the C200 main board Rev A 2 27 EPSON Stylus Color 600 Nozzle Selector Drive Circuit In order to motivate the print head to carry out printing it is necessary to transmit the print data to the appropriate nozzles which becomes direct signals to drive PZT This data transmission is performed by the serial transport method however the data output for each black and CMY head is transmitted by the parallel method The figure below shows data transmission circuit Gate Array E05B43 IC2 IR2C73C 5 SCLK LAT XCHG COM VHV VD1 2 CN8 VH COM NCHG CLK 511 512 513 THM U101 207206 5 511 SCLK LAT XCHG COM VHV VD1 2 77 For Cyan amp Yellow For Black amp Magenta data latch Figure 2 25 Nozzle Selector Circuit Block Diagram CLK Clock pu
26. J J JJ DataAvail DataBit 0 4 Data available signal and reverse channel transfer data bit O or 4 lt Jui Pulled up to SV via 3 9K ohm resister 56 Out Pulled up to 5V via 3 3K ohm resister chassis GND Chassis GND TA z GND Signal GND 19 30 Note I O refers to the direction of signal flow from the printer s point of view Rev A 1 17 EPSON Stylus Color 600 Following lists Notes when using Parallel Interface Conditions for Interface are based on TTL level Rise and fall time should be within 0 2us Refer to the figure 1 9 for transmission timing of each signals Data Transmission Timing for Forward Channel 1 18 Thold lt gt ISTROBE Tsetup Tnext 4 Tstrb lt gt lt Tready Tbusy ACKN 7 j Treply Tack Tnbusy Figure 1 9 Parallel Interface Timing Chart Forward Channel Table 1 14 Timing Parameters and Value Minimum Maximum 1 506 50 __ fdsb 1 506 10 12 __ 1 1 500s __ 17 1 120 8 12 11 2200s __ 1 0 1 _ 1 0 J 0 j Note Rise and fall time of every output signals Rise and fall time of every input signals Table 1 15 Typical Time of
27. TCU EET NT TD D NL TEL 1 jueces 2 22 2 1 22 lt 0S S X X 5 SUL erm 5 1 2 2 2 Transparency Film 7 GlOSSy Papel itae en oti LS ele 5 1 22 9 EUV CIODG stir utes oui TUE 5 1 32 24 dre C atl EE d D idu 5 1 2 3 Adjust Lever Settings PG adjust lever 1e ere eese 6 12 4 Printable ER c 7 AW CUT SCC e amma aa ua n aestu eal aie eine 7 ENV GCIODG T aa 8 12 5 Environmental Gondo sss ionis 9 1 2 6 Ink Cartridge Specifications u l u I Cun canos eva con E Ra ERES 10 1 25 T Blacielnk Gan OGG res csc L 10 12 622 Color IK iG ANIA GS Q uu uu 11 127 Physical SpDecCHiCali iku u uuu 12 12 8 EleGirie Sp eCIfiCatioliyuu u ama aa musu 13 1 2 9 R lliabililyu uu
28. are both installed on single metal chassis and attached to the printer mechanism Therefore first detach the metal chassis from the printer mechanism to remove the electric circuit boards 1 Remove the upper housing Refer to section 3 2 1 Remove 5 screws No 1 three at the back of the printer mechanism and one each at both sides of the printer mechanism 3 Slightly pull out SHIELD PLATE M B metal chassis from the printer mechanism and take out the cable holders inserted to the edge of SHIELD PLATE M B 4 Fully separate SHIELD PLATE M B from the printer mechanism and remove all cables connected to the connectors on the main board C200 MAIN 5 If you need further to remove each electric circuit board from SHIELD PLATE M B remove the screws fixing each board and remove it C200 MAIN BOARD 10 screws No 1 7 screws No 6 3 screws C206 PSB PSE BOARD 4 screws No 1 Also disconnect the cable from the connector CN10 locking type on the C200 MAIN when you remove the C206 PSB PSE BOARD WORK POINT Unlock the connector CN6 7 on the C200 MAIN by pulling its lock before disconnect the cables and be sure to lock it when reconnecting the cables SHIELD PLATE M B Figure 3 3 SHIELD PLATE M B Removal 3 6 Rev A Chapter 3 Disassembly and Assembly MAIN Board C200 MAIN Power Supply Board C206 PSB PSE SHIELD PLATE M B Figure 3 4 Circuit Boards Removal REQUIRED ADJUSTME
29. color one time bit4 Initial fill required bit3 reserved bit2 in cleaning seq bit1 black CL required bit0 color CL required bit2 YMC cartridge changed and OOH OOH cleaned O first cartridge 1 changed bit1 Black cartridge changed and cleaned O first cartridge 1 changed bitO Black cartridge changed and cleaned 0 with YMC cartridge 1 alone OOH OOH ee 1 1 OH A 7 Appendix Address Explanation QPIT Factory settings settigs z Password 6 x SAH 1 Ink counter Rb Ink counter Ry Ink counter A CL time accumulated printing time 0 0 minute 1 15 minutes 6DH 2 30 minutes 3 60 minutes 4 90 minutes 5 120 minutes ou string of counter strings of model field for Device ID A 8 Rev A EPSON Stylus Color 600 4 Circuit Board Component Layouts 0O e e n ET r ma E E hil d IC1 2 200 ASSY 2024195 Figure A 2 C200 Main Board Component Layout A 9 Rev A Appendix Figure A 3 C206PSB Board Component Layout A 10 Rev A EPSON Stylus Color 600 0 N Un s C206PSE BOARD errem SALA CHK P2X 2 o lt ms R12 5 gt gt N a 8 s z Tg ii X Figure A 4 C206PSE Board Component Layout Rev A Appendix 2 PN P a A CMK P2X SWO ASSY 2023066 00 Figure A 5 C206PNL Component Layout
30. e f EVEN line is shifted to LEFT Requires value Then once input Y and press ENTER key to return to the main menu and input E to select Go to SETTING MENU and press ENTER key At the setting menu screen SCREEN 3 input 6 to select BI D Center and input the approximation number that corresponding to the inclination of misalignment you have confirmed previously After changing the reference value for the Bi D alignment check printing input 1 to select Production and back to the main menu and continue for the Bi D alignment adjustment 6 Ifthe alignment is correct input the pattern number at the menu SCREEN 7 and after completing the sample pattern printing input Y and press ENTER key to define the compensation value WORK POINT Printed pattern 19 Input value Input value Figure 4 7 Bi D Alignment Rev A 4 11 EPSON Stylus Color 600 Service Manual SCREEN 4 SCREEN 7 SCREEN 3 4 12 MAIN MENU for Production J90COOE VH Setting Ink Charge Angular Adjust Print XX XX XXXX XX XX XX Angular Adjust Setting Bi d Adjust Customer 010 USA Printing Inspection GOS JIG No Printing Inspection S F M C No Printing Inspection Envelope HEAD VH CL Cleaning 9 INK Discharge E Go to SETTING MENU 1 Production Select No _ INPUT ADJUST IF OK INPUT Y ADJUST AREA 30 to 30
31. input the carriage unit moves until the left edge and collides with paper pick up trigger lever When the carriage collides with this trigger level a planetary gear located on the same axis is also pushed at the same time and conveys the motive power on the platen to the adjoined gear line side for ASF drive Paper Pick Up ASF Roller Drive Gear Trigger Lever Eject Roller Drive Gear Planetary Gear Eject Roller Transmission Gear PF Motor Pinion Gear ASF Roller Transmission Gear N Platen Roller Transmission Gear Platen Roller Drive Gear Figure 2 10 Paper Pick Up Mechanism 3 Paper feed mechanism After papers in the ASF receive controls from pick up and multi feed prevention mechanism they are sent to the printer inside The papers picked up by paper roller in the ASF goes to between platen and roller support Also the eject roller pushes out the paper completely until the end and the roller support drops the paper in the eject tray The eject roller is driven with an eject paper notched roller as pair where is located on the paper eject roller Paper eject notched roller solves the deflection of paper that is in the between platen eject notched roller and paper eject roller and always keep a certain space between print head and paper surface The figure below shows paper feed mechanism N Paper Eject Notched Roller PF Roller Eject Roller Figure 2 11 Paper Feed Mec
32. low speed absorption of pump operations Following tables Table 2 7 and 2 8 show PF motor specifications and control method at each mode Table 2 7 PF Motor Specification Mem Description 22 Coil Resistance 7 8 ohms 10 oer 1 phase under 25 C environment Drive frequency cps pps 400 4320 2 Control method Table 2 8 Motor Control Method at Each Mode Drive Method Drive Frequency Pulse Space Hz fEs 1 2 2 2 1 2 1 2 Following tables show 1 2phase drive method at PF motor drive and each drive sequence at 2 2phase drive method Table 2 9 1 2 Phase Drive Method Clockwise Counter clockwise Rev A 2 11 EPSON Stylus Color 600 Papers on the ASF auto sheet feeder supplied by the user are carried to the printer inside by paper pick up sequence Unlike the previous models ASF of Stylus Color 600 has mufti feed prevention mechanism Following explains this function and figure below shows its mechanism 1 Multi feed prevention mechanism When the Load Eject button is pressed reversed rotation of PF motor is performed The return lever resets papers which are already in the out of stand by position in the stand by position and make it possible to perform stable paper feeding by picking up the paper again Pintch Roller D Cut Roller CAM Hopper Hopper spring Z Return Lever epu Standby state Returning state Figure 2 9 Multi Paper Feed Prevention Mechanism Follow
33. phase of motor Also it makes possible to change over the reference voltage as drive current settings by making 3 combinations 100 66 and 33 using 4 current setting ports input Refer to 2 1 1 3 for motor and details about sequence In the carriage motor firmware supports the micro step driving in the Stylus Color 600 The figure below shows carriage motor drive circuit E05B43 IC2 UDN2917 IC14 j 6 1 PFA 2 2 2 no 2 2 1 9 1 Zu 3 4 zi CRBO 72 23 120 18 3 PFB 2 73 24 z 2 1 2121 21 4 BE 2 43 amp iurc 2 CRAPH 77 7 PH1 2 z 2 74 pa 2 0 4 60 67 Current Selection vign 2 0 4 70271 Resistor d viet 2 z 2 o 4 2 SENS1 e SH E1 A 2 SENS 2 7 22 Figure 2 29 Carriage Motor Circuit Block Diagram Unlike using Uni Pola drive there is no cable for GND in the motor since Bi Pola drive is performed in the CR motor Refer to section 2 1 1 2 since carriage motor interior connection diagram has the same connection as the PF motor s phase connection This helps to understand the reason why the direction of current is controlled freely in each phase by the combinations of high low control signals The current control is performed by output port 60 67 70 71 of E05B43 IC2 its outer resistance circuit and driv
34. something wrong and around the sensor area in the carriage need to be repaired If sometimes printer can print normally but also sometimes No ink cartridge error appears the printer must be something wrong Same reason as above 1 5 5 Maintenance Request When the total quantity of ink wasted through the cleanings and flushing reaches to the limit printer indicates this error and stops The absorber in the printer enclosure is needed to be replaced with new one by a service person The ink quantity that is absorbed by the absorber waste ink pad is monitored by the software counter as total ink counter This counter is added by point system and absorber s maximum ability is set at the following reference value 29500 X 0 012 ml Approximately 301ml EI 1 point 0 0102 ml the value which is multiplied evaporating rate and 1 dot ink weight 0 02 ml 29500 Maximum point number Maintenance error threshold However considering dispersion of ink absorbing quantity and the number of using nozzles ink total value is calculated by the following formula 301 X 1 1 63 526ml but up to 532ml be retained When you perform self test after completing repairs it is possible to check the present value of total ink counter and ink discharge conditions from all nozzles by performing status printing in the built in function Therefore make sure that the printer has enough value of total ink counter if the number is close to 29
35. this time two groups perform Micro Weave individually and particular lines are passed by two different nozzles Note1 These nozzles which are divided into two groups must be set and divided in order to 2 4 be a pair of odd and even number Rev Chapter2 Operating Principles Note2 Two groups which are divided according to each elements will be divided either even dot or odd dot when particular lines level direction line are formed and eventually these lines will be completed at selected resolution Following is a conceptual figure when full overlap micro weave orms a particular line Nozzle 9 Condition 360 dpi printing Nozzle Total 10 nozzle each color 4 Nozzle No 4 Particular line Completed line 360 dpi Figure 2 5 Full Overlap Micro Weave Note 3 The way firmware decides which nozzle becomes even dot or odd dot is determined as it is described below LJ If the line which is about to be printed is even line B First dot prints odd dot lines and 2nd dot prints even dot lines LJ If the line which is about to be printed is odd line ist dot prints even dot lines and 2nd dot prints odd dot lines Eventually horizontal resolution will be the same resolution as selected one 2 Part Line Overlap Micro Weave This printing method is to perform Micro Weave printing overlapping a part of nozzles which are used for printing As a result a part of raster which is overlapped consists of dif
36. troubleshooting The following flowchart illustrates the main steps of the trouble shooting process START Unit Level Troubleshooting Unit Repair Unit Repair Unit Repair C206 PSB PSE C200 Main Printer Mechanism Disassemble and Adjustment END Figure 5 1 Troubleshooting Process Flowchart Table 5 1 Motor Resistance and Measurement Procedure Check Point CR Motor CN6 C200 Main 1 pin amp 3 pin 7 80 10 2 4 PF Pump Motor CN7 C200 Main 1 pin amp 3 pin 7 8 10 2 pin amp 4 pin Table 5 2 Sensor Check Check Point Signal Level ___ SensorStatus Wapa end sensor 1 2 pin Open less than 0 7 V Close more than 2 4 V hall home CN5 1 pin 2 pin Open less than 0 7 V position sensor Close more than 2 4V Out of home position ASF a Sensor CN11 1 pin 2pin Open less than 0 7 V Close more than 2 4 V Out of home position cartridge CN8 1 pin 18pin On 0 V Black cartridge out sensor E more than 2 4 V Black cartridge exit Color akka sud sensor CN8 2 pin 18 pin Color cartridge out Off more than 2 4 V Color cartridge exit CN8 3 pin 18 pin Analog data Change the VH voltage of charge pulse for common driver circuit Rev A 2 1 Stylus Color 600 Service Manual Table 5 3 Printer Condition and Panel Status bal T Black a load e ect button a rer load eject button No Ink cartridge or I
37. vary the space between platen surface and print head by rotating the axis of carriage guide shaft which itself is decentralized with the operation of PG lever This is the mechanism that user can adjust the appropriate PG value by himself according to the paper thickness or any other environmental conditions such as paper curl Carriage lock mechanism is to prevent the carriage from being left at uncap position for a long time because of vibration during the printer transport or mishandling by the users If the carriage is left at uncap position and uncap state of the print head for long time an ink on the print head surface gradually becomes viscosity As a result the nozzle will be unable to discharge an ink To make matters worse the holes crater of nozzle may be completely clogged by the viscosity ink and it may not be able to return to the normal condition just by cleaning operation In order to prevent this printer goes to carriage lock state at the following conditions After Power OFF operation If the power is turned off on the way of printing or any other performance carriage lock will be performed in the end after completing initialize operation After power ON operation After power is turned and automatic P On Cleaning is performed then carriage lock will be performed P On Cleaning is an automatic head cleaning that is performed when the power is turned on The timer IC always calculates printer s power OFF time b
38. z torf high signal indicates that the printer cannot receive data 28 Out Ahigh signal indicates paper out error L a2 qm P E Always at high level when the printer is powered on T ANIT The falling edge of a negative pulse or a low signal on this line causes the printer to initialize Minimum 50 us pulse is necessary 18 LogcH Out fPulled upto 5V via 3 9K ohm resistor 35 Out Pulled upto 5V via 3 3K ohm resistor 7 chassis GND e 16 33 9 30 1534 Notconnected Note refers to the direction of signal flow from the printer s point of view 1 16 Rev A Chapter 1 Product Description 1 3 2 Parallel Interface Reverse Channel Transmission mode 1284 nibble mode Synchronization Refer to the IEEE 1284 specification Handshaking Refer to the IEEE 1284 specification Data transmission timing Refer to the IEEE 1284 specification Signal level 1284 level 1 device T TL compatible level Adaptable connector 5 30360 amphenol or equivalent Extensibility request printer responds affirmatively when the extensibility request values are OOH or 04H that mean OOH Request Nibble Mode Reverse Channel Transfer 04H Request device ID Return Data using Nibble Mode Rev Channel Transfer Note The printer sends following device ID s
39. 0 16mm lt 32 360 2 2578mm 32 360 2 2578mm gt lt Paper feed direction 180dpi 90dpi gt Black Cyan Magenta Yellow Viewed from the back of the head Figure 1 1 Nozzle Layout Rev A Chapter 1 Product Description LJ Paper Feeding Method Friction feed with built in ASF Auto Sheet Feeder Q Line Spacing B 1 6 inch or programmable at 1 360 inch Q Paper Path B Top entry from ASF only Feeding Speed 66 6 ms at 1 6 inch line feed B 3 0 inch sec 76 2 mm sec at continuous feed 1 ASF Capacity B Size Index card to Legal B Thickness 1 Less than 8mm B Paper capacity 2 Normal cut sheets 100 sheets 64g m Envelops 10 Coated papers 360dpi 65 Coated papers 720dpi 65 Glossy papers 3 4 30 Transparency films 4 30 Index cards 4 30 Notes 1 Total thickness of paper stack on the ASF 2 Those numbers above should be considered as reference The actual paper accumulation should be considered first 3 Only when the top margin is set for 30mm with A4 Letter size paper otherwise only one sheet can be set at a time 4 Specified paper must be set at the bottom of stack to ensure proper feeding operation Normal paper Glossy paper Transparency film Card Board Index card The one packed with the index card package Rev A 1 3 EPSON Stylus Color 600 LI Control
40. 2 mode Deceleration 1 mode Deceleration 2 mode ose IK C200 MAIN Board Rotor Connecter CN6 CN7 Figure 2 7 CR PF Pump Motor Internal Block Diagram Rev A 2 7 EPSON Stylus Color 600 The table below shows W1 2 phase drive sequence at each steps when the rotor of carriage motor makes one rotation In the Stylus Color 600 in addition to a function that printing is performed with W1 2 drive phase high speed skip mode which is a function to skip over the blank from the end of the printing data to the next data starting point with high seed can be also performed by 2 2 and 1 2 phase drive W 1 2 phase requires 4 times as much steps as 2 2 phase drive calculating 2 2 phase as standard By using this method it becomes possible to supply constant stable torque to the motor As a result it also became difficult to be influenced by vibration from the printer mechanism during printing Table 2 4 Motor Drive Sequence W1 2 phase drive Sequence Phase A Phase B Duty Duty L 307 dq O 1 0 23 Number 4 0 This W1 2 phase drive or 2W1 2 phase drive is called Micro step and is attached with so called 2 3 EVref 1 3 EVref factor compared with drive current value Vref100 which is supplied at 2 2phase drive This Micro Step allows the rotor to have delicate rotation In the 2 2 phase drive method it is usually required to take 4 s
41. 500 or not If there is not enough value the service man is required to judge if it is necessary to clear EEPROM after replacing the absorber waste ink pad or not Refer to section 1 3 1 if you need to perform EEPROM Clear 1 5 6 Fatal Errors When printer detects fatal errors such as carriage control error or CG access error it goes to this error mode Refer to followings for each error Q Carriage control Error Parallel adjustment malfunction Home position malfunction Timing belt tension malfunction shortage of lubricant on the carriage guide shaft etc 1 Access Error Short circuit etc Rev A 1 25 EPSON Stylus Color 600 1 6 Printer Initialization EPSON Stylus Color 600 has three kinds of initialization methods Following explains each initialization Power on initialization This printer is initialized when turning the printer power on or printer recognized the cold reset command remote RS command When printer is initialized following action is performed Initializes printer mechanism Clears input data buffer Clears print buffer Sets default values a Operator initialization This printer is initialized when turning the printer power on again within 10 seconds from last power off or printer recognize the INIT signal negative pulse of parallel interface When the printer is initialized following action is performed Cap the printer head Eject a paper Clears input data buffer Cl
42. 5g m 1216 75g m 2016 Quality Bond paper Plain paper Air mail Note 1 Envelop printing is only available at normal temperature 2 Keep the longer side of the envelope horizontally at setting 1 2 2 4 Index Card Size A6 Index card Width 105mm 4 1 x Length 148mm 5 8 5x8 Index card Width 127mm 5 0 x Length 203mm 8 0 10x8 Index Width 127mm 5 0 x Length 203mm 8 0 Thickness Less than 0 23mm 0 0091 Weight 188g m Note 1 Nocurled wrinkled scuffing or torn paper be used 2 Set the lever to the proper position according to the paper type you print Refer to section 1 2 3 for details 3 Printing should be performed at room temperature in spite of the paper types Rev A 1 5 EPSON Stylus Color 600 1 2 3 Adjust Lever Settings PG adjust lever The adjust lever located on the right side blue knob under the printer cover needs to be set to the proper position according to the paper you print Refer to the table below Also if there is any dirt caused by friction on the wavy or wrinkled paper this can be prevented by changing the lever position to rear position marked with in spite of paper types Table 1 5 Adjust Lever Settings Normal paper 0 mm 1 1mm between head and platen Coated paper Transparency film Label 0 9 mm 2 0mm between head and platen Front Mark Rear Mark Level adjustment lever CR Guide Shaft
43. EPSON COLOR INK JET PRINTER EPSON Stylus Color 600 SERVICE MANUAL SEIKO EPSON CORPORATION 4007367 NOTICE All rights reserved Reproduction of any part of this manual in any form whatsoever without SEIKO EPSON s express written permission is forbidden he contents of this manual are subjects to change without notice All efforts have been made to ensure the accuracy of the contents of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above notwithstanding SEIKO EPSON can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other product names used herein are for identification purposes only and may be trademarks or registered trademarks of their respective companies Copyright 1997 by SEIKO EPSON CORPORATION Nagano Japan PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1 personal injury and 2 damage to equipment WARNING Signals a precaution which if ignored could result in serious or fatal personal injury Great caution should be exercised in performing procedures preceded by WARNING Headings CAUTION oignals a precaution which if ignored could result in damage to equipment The precautionary measures itemized below should always be observed when performing repair maintenance procedur
44. EPSON Roman Roman Roman T Sans Serif Sans Serif Sans Serif H Courier Prestige Script Supported Supported Supported Supported Supported Supported Supported Supported Not Supported Rev A Chapter 1 Product Description 1 2 2 Paper Specification This section describes the types of paper that can be used in this printer 1 2 2 1 Cut Sheet Size 4 Width 210mm 8 3 x Length 297mm 11 7 Letter Width 216mm 8 5 x Length 279mm 11 0 5 Width 182mm 7 27 Length 257mm 10 1 Legal Width 216mm 8 5 x Length 356mm 14 0 Half Letter Width 139 7mm 5 5 x Length 215 9mm 8 5 Exclusive Width 190 5mm 7 5 x Length 254mm 10 Thickness 0 08 0 003 0 11mm 0 004 Weight 64g m 171b 90g m 241 Quality Exclusive paper Bond paper PPC 1 2 2 2 Transparency Film Glossy Paper Size A4 Width 210mm 8 3 x Length 297mm 11 7 Letter Width 216mm 8 5 x Length 279mm 11 0 A6 Width 105mm 4 1 x Length 148mm 5 8 Thickness 0 13mm 0 005 0 15mm 0 006 0 17mm 0 007 0 18mm 0 007 for glossy paper Note Transparency printing is only available at normal temperature 1 2 2 3 Envelope Size No 10 Width 241mm 9 1 2 x Length 104 8mm 4 1 8 DL Width 220mm 8 7 x Length 110mm 4 3 C6 Width 162mm 6 4 x Length 114mm 4 5 Thickness 0 16 0 006 0 43mm 0 017 Weight 4
45. LY PF behind the frame Cable Direction u Put the motor shaft once in larger holde then slide it to a smaller hole Figure 3 15 PF Motor and Frame 3 17 EPSON Stylus Color 600 Service Manual 3 2 5 5 ASF Assembly Removal Removing the upper housing Refer to section 3 2 1 Remove the locking pin from center of GEAR 34 and remove GEAR 34 from the shaft Unhook the cables from the cable hook of the ASF and the printer mechanism Hemove 2 screws Refer to the figures fixing the ASF and remove the ASF from the mechanism by detaching the projection of ASF at left from the hole of the mechanism WORK POINT 57 sure that the ASF is firmly attached to the mechanism el 57 Use proper type of screw at specified position viewed from the back of the mechanism Right SHAFT FIXING CR Left Screw No 7 CBS with washer CAUTION When re installing the ASF be sure that no cables except the flat cable to the printhead are pinched between the ASF and the frame Especially if the cables from CR PF Motor is pinched there is a danger of short circuit with the frame and possibly causes hazardous problem like over heating burning of components 3 18 Rev A Chapter 3 Disassembly and Assembly SHAFT FIXING CR CBS with washer The projections of ASF must be in these holes 16 ASF Assembly Removal Figure 3 3 19 Rev EPSON Stylus Color 600 S
46. Mechanism Figure A 1 below illustrates how these component units are connected AC CN1 C206PSB PSE Power Supply Board CN2 Control Panel C200 MAIN Main Board Parallel I F Serial I F PF CR Motor PE Sensor mort HP Sensor ASF Sensor Print Head Printer Mechanism Figure A 1 Cable Connection Rev A A 1 Appendix A 2 Connector Summary Following tables show connector pin assignment of the C200 MAIN board Table A 1 Connector summary of the C200 MAIN board Connector 7 Function Tabletorefer Table A 2 Connector CN3 SignalName 10 Function Gud 1 Ground 5 LED2 Ou LEDdrvesigal 2 6 5SV Logic power supply 7 45V Logic power supply 8 14 1 Ou LEDdrvesigal 4 9 54 n Panelswichinpt Table A 3 Connector CN4 Pin SigalNam WO Function 2 GND 3 Jgensorpowersuppy 5V Table 4 Connector CN5 Pin Signal Name Function Sensor detect signal L e M e Ground C 1 Sensor power supply 5V 2 Rev A EPSON Stylus Color 600 Table A 5 Connector CN6 Pin Signal Name VO Funton 2 EE j 2 Ou FPhasedr
47. N Stylus Color 600 1 2 7 Physical Specification Dimension 429mm W x 234mm D x 162mm H 429mm W x 695mm D x 309mm H with extended stacker and paper support Weight 5 2Kg 695mm Max 309mm 429mm Figure 1 8 Dimension 1 12 Chapter 1 Product Description 1 2 8 Electric Specification 120V Version Rated voltage Input voltage range Rated frequency range Input frequency range Rated current Power consumption Insulation Resistance Dielectric strength 220 240V Version Rated voltage Input voltage range Rated frequency range Input frequency range Rated current Power consumption Insulation Resistance Dielectric strength 1 2 9 Reliability Total print volume Print head life 1 2 10 Safety Approvals 120V version oafety standard EMC 220 240V oafety standard EMC 1 2 11 Acoustic Noise Noise Level 1 2 12 CE Marking 220 240V version AC120V AC103 5 132V 50 60Hz 49 5 60 5Hz 0 4A Max 0 5A Approx 15W ISO IEC 10561 Letter pattern Energy Star compliant 10M ohms min between AC line and chassis DC500V AC1000 V rms 1 minute AC1200Vrms 1 second between AC line and chassis AC220V 240V AC198 264V 50 6 2 49 5 60 5Hz 0 2 A Max 0 3A Approx 15W ISO IEC 10561 Letter pattern Energy Star compliant 10M ohms min between AC line and cha
48. NMI 2 v e Y z 2 Dm ree 42V 51955 2 IC9 R10 2 7 2 VCC z 6 IN OUT NC5 GND a eee Figure 2 20 Reset Circuit Block Diagram PST592 IC8 The actual operation of the circuit is to keep outputting Low signal until 5V line goes up to 4 2V when the power is on and to cancel the reset signal with output of High signal when the voltage goes up more than 4 2V 51955 1 9 This IC also performs as monitor on the power line same as the reset IC for logic described above High Low is judged at the 33 2V Relation between 8 and IC9 Reset signal which is low and output by IC9 is input to the CPU and gate array and system reset operation is performed Also this signal is detected on the IC9 IC for reset monitor power line and outputs the same Low signal towards CPU NMI terminal by being input to NC5 Rev A 2 23 EPSON Stylus Color 600 2 2 2 2 Sensor Circuits The following sensor circuits are mounted in the Stylus Color 600 and selects appropriate operations based on the returned information B ASF Sensor Photo m PE Sensor Photo B HP Sensor Photo B Ihermistor Sensor B Cartridge Sensors An ASF sensor detects the position of return lever when the power is turned on and causes the paper to be picked up by the pick up roller from the normal initial condition Refer to section 2 1 1 3 for detail A PE sensor determines if
49. NT Be sure to perform the following adjustments when the C200 MAIN board is replaced 1 VH Voltage value writing Refer to Chapter 4 Section 4 2 2 3 2 Printhead Angle Adjustment Refer to Chapter 4 Section 4 2 2 4 3 Bi D Alignment Adjustment Refer to Chapter 4 Section 4 2 2 5 Rev A 3 7 EPSON Stylus Color 600 Service Manual 3 2 3 Control Panel Removal 1 Remove the upper housing Refer to Section 3 2 1 2 Remove 2 screws No 1 and remove the control panel assembly from the printer mechanism and disconnect the flat cable from the connector of the panel assembly WORK POINT By removing the control panel assembly the stacker assembly is also detached from the printer mechanism as it held by the control panel assembly SHIELD PLATE PANEL C206 PNL Board PANEL ASSEMBLY HOUSING PANEL LEFT Figure 3 5 Control Panel Removal 3 8 Chapter 3 Disassembly and Assembly 3 2 4 Waste Ink Pad Assembly Removal 1 Removing the upper housing Refer to section 3 2 1 2 Removing the control panel assembly Refer to section 3 2 3 3 Remove 1 screw No 4 at the right hand side of the printer mechanism that fixing Waste Ink Pad Assembly 4 Remove SPACER TRAY fixing Waste Ink Pad Assembly at the left hand side of the printer mechanism and remove Waste Ink Pad Assembly by pulling it downward When you replace Waste Ink Pad Assembly to new one be sure to perform the ink c
50. QUIRED ADJUSTMENT When you replace MOTOR ASSEMBLY CR be sure to perform the following adjustment 1 Bi D Alignment Adjustment Refer to Chapter 4 Section 4 2 2 5 COMPRESSION SPRING 19 6 PULLEY ASSEMLBLY DRIVEN TIMING BELT Outside side frame Inside side frame HOLDER PULLEY DRIVEN Figure 3 12 Driven Pulley Removal 3 14 Rev A Chapter 3 Disassembly and Assembly I The projections of motor assembly must locate inside the holes Figure 3 13 CR Motor Removal A 3 15 EPSON Stylus Color 600 Service Manual 3 2 5 4 PF Motor Assembly Removal 1 Removing the upper housing Refer to section 3 2 1 2 Removing Waste Ink Pad Assembly Refer to section 3 2 4 By referring the figure below remove the specified gears from the mechanism e GEAR 67 2 e COMBINATION GEAR 8 14 4 e COMBINATION GEAR 8 8 21 6 e GEAR 36 Remove 2 hexagonal lock nut and remove MOTOR ASSEMBLY WORK POINT 47 When removing the PF Motor first slightly pulling out the PF Motor from the frame and slide the motor shaft to a larger cut out of the frame and remove it 47 careful with the routing direction of the cable from the PF motor a x MOTOR ASSEMBLY PF COMBINATION GEAR 8 8 21 6 GEAR 36 Lock Ring Figure 3 14 PF Motor Removal 3 16 Rev A Rev Chapter 3 Disassembly and Assembly MOTOR ASSEMB
51. RESSION SPRING 1 66 HOLDER SHEET PF ASSEMBLY FRAME Set the spring and hook it to the assembly frame as illustrated before re assembly Figure 3 18 Pick Up Roller Removal 3 23 EPSON Stylus Color 600 Service Manual 3 2 5 6 Carriage Assembly Removal 1 Removing the upper housing Refer to section 3 2 1 Push HOLDER PULLEY DRIVEN inward to loosen the timing belt and detach the timing belt from the drive pulley of CR Motor assembly Take out COMPRESSION SPRING 19 6 from HOLDER PULLEY DRIVEN Remove PULLEY ASSEMBLY DRIVEN and the timing belt together from HOLDER PULLEY DRIVEN and remove HOLDER PULLEY DRIVEN from the mechanism Unhook LEVER PG and remove it Unhook LEVER PG SUB and remove LEVER PG SUB and a spring washer from the end of SHAFT CR GUIDE Remove 1 screw No 7 and rotating BUSH PARALLEL ADJUST RIGHT to match it with the cut out of the frame Then take out BUSH PARALLEL ADJUST RIGHT Remove CARRIAGE ASSEMBLY together with SHAFT CR GUIDE WORK POINT It is good idea to marking the current position of BUSH PARALLEL ADJUST RIGHT before removal This enables you to omit the paper gap adjustment after the assembly Be careful with the direction of spring washer at the assembly A convex side must facing the bush REQUIRED ADJUSTMENT When you remove or replace the carriage assembly be sure to perform the f
52. S v SED Exchange the fuse Disconnect CN10 in pon pR P the main board and opened YES turn the power on again NO i Y Check output voltage NO Is the of CN2 in the power lt fuse opend supply board again YES Is the output voltage NO of power supply normal YES v Exchange the power supply board Exchange the main board Check the motor and head Refer to the repair item of the printer mechanism Figure 5 2 Flow Chart 1 Rev A Chapter 5 Troubleshooting 5 2 2 Error is detected SIART Check the error message Refer to Table5 3 Is it carriage p Turn off the printer error and move the carriage Yes byhand Does the carriage Exchange the ink move smoothly NO No ink cartridge 9 cartridge with new error one Yes Yes i Check CR motor Exchange the main Maintenance Error yes Does error board if there is no i appear again problem Exchange the waste NO Y ink absorber and reset the counter Yes Is the problem Refer to 1 4 2 4 solved V NO y Check ink cartridge sensor and exchange Refer to 5 4 the head if it s ubnormal Repair of the printer mechanism WV Figure 5 3 Flow Chart 2 Rev A Stylus Color 600 Service Manual 5 2 3 Failure occurs during printing START Perf
53. SETTING MENU 9 Production Outgoing Inspection Date Time XX XX XXXX XX XX XX Jig CT Jl JIG CT Cartridge WAIT 80s Customer 010 USA BI D Center 0 JIG JIG Maintenance Select No _ Rev A Chapter 5 Troubleshooting S I IoubDlesioolngksnoniaenOn DEI 5 1 5 2 Unit Level Troubleshooting Leeeeeeeeee asua 5 3 5 2 1 Printer does not operate at power on J 5 4 58 22 geli detected et 5 5 5 2 3 Fallure occurs during DEIDUG sae uyu u c 5 6 5 2 4 Printer does not feed the paper correctly J 5 7 5 2 5 Control panel operation is abnormal 5 8 5 3 Unit Repair C206 PSB PSE BOGIG eaten aa o rives 5 9 5 9 1 Unit Repair C200 MAIN BOal dd e qaare Eco ee ce 5 11 5 4 Repair of the Printer 5 13 Chapter 5 Troubleshooting 5 1 Troubleshooting The printer may exhibit different symptoms for the same problem which makes troubleshooting more difficult This section however provides simple and effective ways to facilitate
54. T Then the PZT pushes the top cavity which has ink stored and make the ink discharge from each nozzle located on the nozzle plate Cavity Set B Ink which is absorbed from ink cartridge go through the filter and will be stored temporarily in this tank which is called cavity until PZT is driven Nozzle Plate The board with nozzle holes on the printer head surface is called Nozzle Plate Filter When the ink cartridge is installed if any dirt or dust around the cartridge needles absorbed into the head inside there is a great possibility of causing nozzle clog and disturbance of ink flow and finally causing alignment failure and dot missing In order to prevent this filter is set at cartridge needle below and ink is once filtered here Printhead driver board Ink Cartridge Sensor Actuator Cartridge needle EN NL Ink Cartridge 4 h NC ASS E PZT Filter Ink Supply Tube Cavity set Nozzle Plate Figure 2 2 Print Head Sectional Drawing 2 2 Rev A Chapter2 Operating Principles 2 1 1 1 1 Printing Process Following figures indicate the sectional drawing of normal state and ejecting state of print head 1 Normal State When the print signal is not output PTZ also does not move in the waiting state normal state PZT Cavity Ink Course FE Pur e Nozzle Nozzle Plate Fig
55. Tack Parallel I F mode Typical time of tack Return GND pin in the table means twist pair return and is used for all control signals except for Logic H 5V Chassis GND and NC In this twist pair return returning side is connected to GND 16 33 19 30 pin for twist pair return Also these cables are shielded wires and it is effective to connect to each chassis GND in the PC and printer for electrostatic noise Do not perform data transmission ignoring ACK or BUSY signal Perform the data transmission after confirming that ACK and BUSY signals are Low It is possible to perform the printing test including interface circuit without using equipment from outside when 8 bit data signal 20 27 pin is set to appropriate word code and connect them forcefully to ACK and STRB Rev Signal level TTL compatible IEEE 1284 level 1 device 60 4 50 Table 1 16 Signal Level Parameter Minimum Maximum Condition 55V J ANEO C s o 2 S i JOH 2 VOH 24 __ VOL 04V C Chapter 1 Product Description ee j 2121 F e ucl H H 032mA 2 0V 42 _ 08 ww HEN RENNES a 50pF Note A low logic level on the Logic H signal is 2 0V or less when the printer is powered off and this signal is equal or exceeding 3 0V when the printer is powered on The receiver shal
56. VER BRAKE TWIST SPRING 41 2 FRAME ASF LL l LL lt 77 O lt E am LEVER HOPPER RELEASE BUSH FIXING SHAFT SHAFT ROLLER LD Figure 3 17 ASF Disassembly 3 21 Rev EPSON Stylus Color 600 Service Manual 3 2 5 5 2 Pick Up Roller Assembly Removal 1 Disassemble the ASF and separate PICKUP ROLLER ASSEMBLY and HOPPER ASSEMBLY Refer to section 3 2 5 5 1 2 Remove COMPRESSION SPRING 1 66 from the back of HOPPER ASSEMBLY 3 Pull out the right cam part of HOPPER ASSEMBLY though the hole of right frame of PICKUP ROLLER ASSEMBLY RIGHT To this point HOPPER ASSEMBLY and PICKUP ROLLER ASSEMBLY is separated 4 Unhook ROLLER ASSEMBLY LD from the assembly frame and remove COVER ROLLER LD by unhooking it from the assembly frame Then remove ROLLER ASSEMBLY LD WORK POINT kT When you re assemble be sure that ROLLER ASSEMBLY LD is hooked to assembly frame firmly 547 Before re assemble the unit make sure that COMPRESSION SPRING 1 66 is set on the assembly frame and hooked to the hooks as shown in the figure This helos you easier assembly After assemble the unit do not forget to unhook the springs by rotating the spring from the holes located at the back of the ASF assembly 3 22 Rev Rev Chapter 3 Disassembly and Assembly COVER ROLLER LD L R x COMP
57. W IAT Al A PA VAY UM Ly y vivi v y vv bane sob 42 V line is Check following parts Replace suitable abnormal eZD87 2083 parts eZD51 ZD81 2086 ePC1 Rev A 5 9 Stylus Color 600 Service Manual Table 5 6 C206PSB Power Supply Board Con Symptom Condition Cause Checkpoint Solution 5V line is IC51 L4962E is Check the oscillation 5 Replace dead dead pin and switching 7 IC51 pin waveform of IC51 5 pj TEKTRONIX 2238 epe TO s TST PFU PE ree r EXE N 209 5 10 Chapter 5 Troubleshooting 5 3 1 Unit Repair C200 MAIN Board This section describes the problems related to the main controller board C200 MAIN The table below provides various symptoms likely causes and checkpoints The check points refer to waveforms resistance and other values to be checked to evaluate the operation of each component Rev 5 11 Stylus Color 600 Service Manual Table 5 8 Repair of the C200 Main Board Con Checkpoint Printing is Printing is not IC7 is dead abnormal execute Paper feed Paper feed IC2 is dead operation is motor does not abnormal Work Pt LLL LLL IC15 is dead 5 12 IC2 is dead muna Check the trapezoidal Replace IC6 waveform at 3 pin of Q7 Q7 or Q9 on C200main board Check the control signal Replace IC2 of tr
58. able VR on the board during production process Various electric charge discharge control signals are all processed in the HIC CR PF Motor Drive Circuit Constant current drive is performed by the HIC Out of this only CR Motor is controlled for Micro Step control and HIC becomes possible to flow the appropriate current value at each steps PF Motor has only 1 2 2 2phase drive method Also bipolar drive is performed on the 4 cables individually Following pages explain each major control circuit 2 22 Rev A Chapter2 Operating Principles 2 2 2 1 Reset Circuits The reset circuit prevents the CPU from running away which is caused by the unstable voltage in the logic line during the power ON OFF Also this circuit monitors level of power voltage at the overloading or malfunction on the circuit and manages the printer to operate normally keeping the damage to the printer minimum during the abnormal situations On the C200 main board 2 ICs are mounted IC for monitoring the voltage level logic line and IC for monitoring the voltage level power line and both are monitored by the gate array and CPU The figure below shows reset circuit block diagram with explanation on the next page 5V 5 PST592D IC8 R1 lt 2 z Vout 2 l 2 NRES 2 3 z Vcc 4 R138 z GND C47 2 ene eee ss o TMP95C061 E05B43 IC1 IC2 7 2 z P A 7 152 2 P84 176 7 2 RESET 104 T I
59. ain board gt Y Refer to 5 4 Repair of the printer mechanism Rev A Figure 5 5 Flow Chart 4 Stylus Color 600 Service Manual 5 2 5 Control panel operation is abnormal SIART Y isthe control panel connected correctly YES Y Connect the control panel correctly Is the problem solved E YES NO lt v Replace the control panel Is the problem solved NO YES Replace the main board 4 Figure 5 6 Flow Chart 5 2 6 Rev A Chapter 5 Troubleshooting 5 3 Unit Repair C206 PSB PSE Board This section describes the problems related to the power supply board C206 PSB PSE The table next page provides various symptoms likely causes and checkpoints The checkpoints refer to waveforms resistance and other values to be checked to evaluate the operation of each component Table 5 5 C206PSB Power Supply Board Checkpoint F1 is open Check F1 by using a Replace F1 The printer 42V line is tester does not dead operate at all TEKTRONIX 2238 LUDERE Lr DE CP TUA HERO soul bande sob 1 Transformer coils Check the waveform Replace T1 are open at the drain of Q1 Switching FET Q1 Check drain side Replace Q1 is dead TEKTRONIX 2230 LUDERE VI VN Feed back Replace Q2 transistor Q2 Q3 or Q3 are dead EA LP A
60. ant Type G 26 Lubrication Amount 2mm long at each specified point Lubrication Point Do not put grease to ROLLER ASF ASSEMBLY LD A round hole of the right frame of ASF to hold the roller shaft lt Lubricant Type G 26 lt Lubrication Amount gt Evenly apply inside the hole 0 Lubrication Point Completely wipe off any grease stack out ASF to inner side of ASF Contact between HOPPER and LEVER HOPPER RELEASE lt Lubricant Tyoe gt G 26 lt Lubrication Amount gt Evenly apply to the contact Rev A 6 3 EPSON Stylus Color 600 Service Manual Table 6 4 Lubrication Points Continued Remaks 11 lt Lubrication Point Completely wipe off any grease stack out A round hole of the left frame of ASF to inner side of ASF GEAR 34 is inserting to this hole Lubricant Type G 26 Lubrication Amount Evenly apply inside the hole 12 Lubrication Point This application must be made only when Oil pad of carriage assembly Replacing the carriage assembly Replacing oil pad Use a precise syringe to apply it If accidentally apply too much oil to oil pad thrown it away and take a new oil pad again Leave oil pad for a while to wait until oil is evenly infiltrate and install it on the carriage assembly Lubricant Type 8 Lubrication Amount 0 6cc Note that This is an amount to be applied new oil pad when replacing it
61. apezoidal from IC2 AU L ML HU 505 Check the output Replace 2 waveform of at 55 56 57 58 pin of IC2 TEKTRONIX 2230 DLL LL LO M e whs liong Check the output Replace 15 waveform of at 6 7 8 9 oin of IC15 TEKTRONIX 2230 Tek wo beaker mb ins Rev A Chapter 5 Troubleshooting 5 4 Repair of the Printer Mechanism This section provides instruction for repairing the printer mechanism It describes various problems symptom likely causes checkpoints and solutions Select appropriate symptom from the table and check each parts and its function as described in the checkpoint Table 5 9 Repair of the Printer Mechanism Symptom Condition Cause 7 Checkpoint Solution Abnormal pump Abnormal PF motor Foreign substances Manually drive the Remove any mechanism operation when the jare loaded in the PF platen drive gear foreign operation power is turned on gears and check it if it substances rotates normally The PF motor is Check the inner coil Exchange the PF defective resistance and see motor Refer to Table5 1 there is any disconnection of the coil Ink is not Used ink does The pump tube is Check the tube Fix the crashed absorbed or is go through the crashed visually part poorly absorbed waste ink tube by the airgun Capping rubbe
62. d bottom margin process in order to control the overprinting volume as little as possible 2 6 Rev Chapter2 Operating Principles 2 1 1 2 Carriage Mechanism Carriage mechanism is to drive the carriage with print head mounted from left to right or vice versa The carriage drive motor in this printer is a 4 phase 200 pole stepping motor and is driven by 1 2phase 2 2phase and W1 2phase drive method This stepping motor allows the carriage to move freely to the particular positions which is necessary for various operation such as paper feeding ink absorbing flashing ink exchange and cleaning operations The tables below shows carriage motor specifications and motor controls at each mode Table 2 2 Carriage Motor Specification tem 2 02 Internal coil resistance 7 8 ohms 10 oer phase under 25 environment Driving speed frequency range cps pps 5 60 340 4080 Control method Bi pola Drive Table 2 3 Motor Control at Each Mode G w ui WEB CSP PPS Drivi U Cappng o 80 960 W1 2phase drive W1 2phase drive Withdrawal of cap 5 6 W1 2phase drive Note 1 The reason why plural drive methods exist is that following some sequences described below exist in the each mode and stable carriage operation and printing are performed individually by different drive methods This drive method is especially necessary for high speed skip Acceleration 1 mode Acceleration
63. d paper feeding mechanism Instead however this change over control is done by the distinction between turning direction of PF motor and position of present carriage unit Also another major characteristic is that print head is changed to be one unit combined with black and CMY Nozzle configuration for black is 64 nozzles the nozzle pitch of each column is 90dpi and between two consecutive nozzles in number e g 1 and 2 is 180dpi On the other hand CMY nozzle has 32 nozzles 90dpi for each color Following figure shows exterior of mechanism CR Motor Carriage Control Panel Exit paper tray ASF is not shown in the above figure Figure 1 12 Exterior view of the Printer Mechanism Rev A 1 27 EPSON Stylus Color 600 1 7 2 C200 MAIN Board The C200 MAIN board controls whole mechanism operations and a data processing operation Most of the functions of the circuit are integrated into single ASIC E05BA3YA 2 and this makes the board design very simple and reliable IC7 Printhead Driver 15 PF Motor Driver 14 CR Motor Driver 2 ASIC E05B43YA IC1 GPU TMP95C0618F Parallel I F CN1 aF J 3 N S lt gt H z DRAM 4MBit da 0 T 1 F1 L LI LJ x 0 Serial I F CN2 IC3 PROM 4MBit IC6 Lithium Battery Mask ROM CG Figure 1 13 Exterior view of C200 Main Board 1 28 Rev A Chapte
64. e that fixing pin of the carriage is correctly located into the cut out of the printhead unit Once the ink cartridge is removed it is not re usable and always install brand new ink cartridge before returning the printer to the user When returning the printer to the user be sure that the ink cartridge is installed and the carriage is at the capping position Turn the printer off while the carriage is at the capping position and pack it This part should be touching the CR axis receiver Make sure that this protrusion is in the U ditch of the priht head Make sure that protrusion of carriage is in the hole of the earth board Carriage Assembly Print Head Figure 3 7 Printhead Installation 3 10 Rev Chapter 3 Disassembly and Assembly Flat Cable Printhead Unit FASTNER HEAD EE ar t 2 1 LI i i i i i i i i i TWIST SPRING 49 Figure 3 8 Printhead Unit Removal REQUIRED ADJUSTMENT When you remove or replace the printhead unit be sure to perform the following adjustments 1 Ink Initial Charge Operation Refer to Chapter 4 Section 4 2 2 2 2 VH Voltage Writing Operation Refer to Chapter 4 Section 4 2 2 3 3 Head Angle adjustment Refer to Chapter 4 Section 4 2 2 4 Rev A 3 11 EPSON Stylus Color 600 Service Manual 3 2 5 2 Pump Assembly and Cap Assembly Removal Removing the upper housing Ref
65. ears print buffer Sets default values Software initialization The ESC command also initialize the printer When printer is initialized following action is performed Clears print buffer Sets default values 1 6 1 Initialization Settings EPSON Stylus Color 600 initializes following settings when the initialization is performed Also if the user changes the settings in the Panel setting Default setting or Remote command setting values or settings which are possible to be stored are initialized as initialization settings B Page position Page heading location as present paper location B Line spacing 1 6 inch B Right margin position 80 lines B Left margin position first line B Character pitch 10 B Printing mode Text mode Not Raster graphics mode 1 26 Rev A Chapter 1 Product Description 1 7 Main Components EPSON Stylus Color 600 has following major units Also it is one of the major characteristics that the bottom of the Printer mechanism plays the role as lower case at the same time Upper case Printer Mechanism C200 MAIN Board Main control circuit board C206 PSB PSE Board Power supply circuit board C206 PNL Board Control panel circuit board 1 7 1 Printer Mechanism Unlike EPSON s previous ink jet printer mechanisms one of the major characteristics of EPSON Stylus Color 600 is that the printer has no Engage Disengage mechanism in order to change over pump mechanism an
66. ed by diode bridge DB1 and converted to 42 x AC in voltage by smoothing electrolytic capacitor C11 3 he pressured up direct current makes Q1 On through the starting resistor R31 and starts the primary side of the circuit 4 When the primary side is On state the energy current led by the electromagnetic induction through the trans T1 does not flow to the secondary side since the diode D51 on the secondary side is installed in the opposite direction 5 When the energy which is charged in the trans is reaching the saturated state the voltage which makes the Q1 On becomes weak gradually At the point that this voltage drops at the certain voltage C13 absorbs the current in the opposite direction and Q1 is quickly shut off by the resulting sharp drop 6 When the primary side is turned off the energy charged in the T1 is opened according to the diode D51 direction which is installed on the secondary side Basically 42 V DC is output by these circuit operations and the number of T1 spiral coil 7 5VDC is generated by pressured down this 42 V DC as power supply IC51 pressures down the 42 V DC and generates precise 5V DC by chopping off the output forming the standard santooth waveform by the outer RC integration circuit Rev A 2 19 EPSON Stylus Color 600
67. efore a brand new ink cartridge must be installed and all ink paths must be charged with fresh ink by performing the following operation to ensure proper printing operation E Replacing the printer mechanism B Replacing the printhead unit amp 7 Sincethis operation consumes large amount of ink do not perform it unnecessarily Black Approx 8 896 of the ink charged in the cartridge Color Approx 16 2 of the ink charged in the cartridge CMY total 1 Re assemble the printer after replacing the component It is enough that at least the printer mechanism the electrical circuits and the control panel are connected 2 Connect the PC to the printer and turn the printer on Then unpack a brand new ink cartridges and install them on to the printer Execute GWBASIC EXE in the floppy diskette and load the adjustment program 9 4 Run the program and press ENTER key twice to skip date and time input 5 Atthe menu SCREEN 1 input the number corresponding to your market and press ENTER key 6 Atthe menu SCREEN 2 input 2 to select Cartridge and press ENTER key 7 Then at the setting menu SCREEN 3 input 1 to select Production mode and press ENTER key 8 When the main menu SCREEN 4 appear on the screen input 2 to select Ink Charge and press ENTER key Then the printer starts the ink charge operation Rev A 4 5 EPSON Stylus Color 600 Service Manual SCREEN 1
68. embly Removal Section 3 2 5 3 PF Motor Assembly Removal Section 3 2 5 4 ASF Assembly Removal ASF Disassembly Section 3 2 5 5 Section 3 2 5 5 1 Carriage Assembly Removal Pick Up Roller Assembly Removal Section 3 2 5 6 Section 3 2 5 5 2 PF Roller Assembly Removal Section 3 2 5 7 PE Sensor Assembly Removal Section 3 2 5 8 HP Sensor Assembly Removal Section 3 2 5 9 Figure 3 1 Disassembly Flow Rev Chapter 3 Disassembly and Assembly 3 2 1 Housing Removal Since the EPSON Stylus Color 600 has no lower housing as previous EPSON printers the printer mechanism can be taken out by only removing the upper housing 1 Open the printer cover and set the PG adjust lever on the right hand side to position 2 Remove 4 screws No 2 and remove the upper housing WORK POINT Pull the front end of the upper housing while lifting up the upper housing to remove it NCAUTION Be careful not to pinch the cables with the posts of the upper housing when reinstalling it Especially with the cables from the motors and doing so causes fatal damage to the mechanism and the electric circuitry Upper Housing Rev A 3 5 EPSON Stylus Color 600 Service Manual 3 2 2 Circuit Boards Removal The electric circuit boards of the printer Main control circuit board C200 MAIN Power supply circuit board C206 PSB PSE
69. er IC14 UDN291 7 First 10 resistance which are connected to the output port of the gate array divide each current values of phase A and B in the CR motor The firmware possesses 16 different ways of current values individually as current table out of combinations made by 5 resistance which are connected to the output ports 46 49 pin in the gate array On the other hand signals which are output by combination of these resistance s on off are input independently in the 25 and 44 pins HIC is driven at the different standard voltage for each phase A and B Actual on off control to send electricity through the motor is performed by the process that SEN1 and SEN terminals 2 and 13 pin detect the input signal from the gate array which is monitored by the interior comparator confirm the current that actually flew the phase as current value again and perform the feed back to the on off Refer to before page since it is same as the one of PF motor Rev A 2 31 Chapter 3 Disassembly and Assembly muEevd2lud um 1 3 1 1 Precautions for Disassembling the 4 1 4 1 1 1 3 1 2 2 SM uuu u aa aa a a aa 2 3 1 4 Work
70. er to Section 3 2 1 Removing the control panel assembly Refer to section 3 2 3 Removing Waste Ink Pad Assembly Refer to section 3 2 4 Loosen 2 screws No 1 fixing the exit frame assembly and disengage the frame from the side frames Then put the printer mechanism on its back as you see the bottom of the mechanism At the right hand of the mechanism unhook the cap assembly by releasing one hook and take out the cap assembly by lifting up the right end of it Note that the cap assembly is still connected to the pump assembly by the ink tube 6 Remove 2 screws No 5 fixing the pump assembly to the frame 7 Unhook the pump assembly by releasing one hook and slide the pump assembly to the right direction to remove it NCAUTION 7 careful not to damage rubber part of the cap assembly Damaging the rubber part causes incomplete capping and the nozzle condition become unstable 7 careful with the followings when you handle CLEANER HEAD eDo not handle it with bare hands and avoid attaching any oil or dust eMake sure that the rubber side of CLEANER HEAD is facing to the right IS e e WORK POINT 7 Becareful not to popping the components from the pump assembly when you remove it from the mechanism as there is a spring inside the pump assembly 7 Be sure that the ink tube from the cap assembly is routed to the correct position and not pinched by the cap assembly ad the frame Verify
71. er voltage protection circuit is located The output level is monitored by two Zener diodes If the voltage level exceeds 48VDC this circuit stops circuit operation forcefully 4 Line Constant Voltage Constant Current Control Circuit The output current is monitored by a 5VDC generation switching control IC IC51 which also monitors the output voltage This information is input to the internal comparator and stabilizes 5V line Also operation of the secondary side switch is explained below 1 When the power is turned on Q1 repeats ON OFF automatically along with the increase and decrease of energy on the trans coil at the primary side While the power is being on PSC signal is input to the power supply board from the C200 main board 2 This signal turns Q84 on and it becomes possible to discharge energy between 8 9 of T1 At this time even if the power is turned off the electrolytic capacitor keeps Q84 on for a while By this electrolytic capacitor output is hold at least 30 seconds even after the power is turned off This time helps the printer to complete the P Off operation 2 20 Rev A Chapter2 Operating Principles 2 2 2 C200 MAIN Board Various DC voltage generated on the C206 PSB PSE board is added various signals in order to drive the printer function on the C200 MAIN board and the drive of CR PF Pump motor and printing head is performed This control board consists of system part and drive part In the system part th
72. ere are formation and controls of various signals in order to drive the CR PF pump motor sequence control by input from the sensor circuit and also output of signal to select appropriate nozzle for the printing head On the other hand the drive part has constant current drive by the driver IC for the CR PF pump motor drive and trapezoidal waveform circuit for head drive PROM4M 5 411664 4 32 ICS EPROM IC amp D RAM IC6 CG TPM 95 061 DRAM Control IC1 CPU IC2 Gate Array CR PF Motor Drive 200 Head Temperature Panel I F Head Common Drive to A Centornics SN75LBC775 16 Transceiver Serial I F Sensor Circuit EEPROM IC11 Timer IC10 H8D2813D Print Head LB1845 ZA IC 14 Carriage Motor LB1845 7777 IC 15 PF Pump Motor Figure 2 19 C200 MAIN Control Board Block Diagram CPU The C200 MAIN board is controlled by a 16 bit CPU TMP95CO061AF running at 25MHz Gate array manages most of controls and monitors Likewise Stylus Color the D RAM is applied for RAM which is used as work area for receiving data and developing the data and CPU manages its control such as CE RAS CAS controls Gate Array E05B43 controls following functions Motor control Each motor performs data transmission W 1 2 phase that motives Micro Step E Head voltage control In the ink jet printers drive voltage wave form trape
73. ervice Manual 3 2 5 5 1 ASF Disassembly 1 Removing the ASF Refer to section 3 2 5 5 2 Remove TWIST SPRING 41 2 by unhooking one end from the ASF frame and remove LEVER BRAKE 3 Remove BUSH FIXING SHAFT from the right end of SHAFT ROLLER LD and remove LEVER HOPPER RELEASE 4 Move the left paper pack up assembly to the middle of the ASF and remove BUSH from the shaft 5 Push out SHAFT ROLLER LD to the left and remove BUSH FIXING SHAFT LEFT from the left end of the shaft by unhook it 6 Unhook the top of HOPPER ASSEMBLY from the both sides of FRAME ASF 7 Push out SHAFT ROLLER LD to the right while pulling up PICKUP ROLLER ASSEMBLY RIGHT slightly Then detach the left end of SHAFT ROLLER LD from FRAME ASP 8 Holds HOPPER ASSEMBLY and remove the right cam part of HOPPER ASSEMBLY through the hole at the right side of FRAME ASP To this point the ASF assembly is disassembled and both left and right PICKUP ROLLER ASSEMBLY and HOPPER ASSEMBLY are separated WORK POINT 7 When removing HOPPER ASSEMBLY be careful that the grease that applied to the cam part of it is not attaching to other part of the ASF If so wipe it off completely amp 7 Make sure that bushes at the both ends of the shaft are firmly attached 3 20 Rev A Chapter 3 Disassembly and Assembly HOPPER ASSEMBLY LE
74. es WARNING 1 ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURES 2 NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK 3 WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS CAUTION 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLTAGE LISTED ON THE SERIAL NUMBER RATING PLATE IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE DO NOT CONNECT IT TO THE POWER SOURCE 3 ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT BOARDS AND OR INDIVIDUAL CHIPS 4 IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY USE STATIC DISCHARGE EQUIPMENT SUCH AS ANTI STATIC WRIST STRAPS WHEN ACCESSING INTERNAL COMPONENTS 5 REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE INTRODUCTION OF SECOND SOURCE ICs OR OTHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANT Y PREFACE This manua
75. fer to EEPROM 1 22 Rev A Chapter 1 Product Description By performing a particular setting mode Maintenance error can be cleared and certain addresses of EEPROM can also be reset Maintenance Error Clear Step 1 the printer on while holding down Load Eject and Cleaning switches at the same time By operating this performance the Paper Out LED starts blinking Step 2 Push the Load Eject switch while the Paper Out LED is blinking 5 seconds Following shows the lists that will be cleared by this performance Q Clear the value of Ink Counter Q Clear Time IC Initialization of I F selection returns to AUTO 7 EPSON Stylus Color 600 does not have EEPROM All Clear function like other printers If the printer does not function well and falls into fatal error condition replace the main board to see if the problem is rectified Refer to Chapter 4 Adjustment when you replace the main board since some adjustments will be necessary 7 Be sure to replace a waste ink pad in the printer enclosure with a new one after you perform Maintenance error clear operation 1 4 3 Printer Condition and Panel Status The table below shows printer condition and panel status Since this table shows various error status and also present printer status you can judge appropriate repair ways from this table Table 1 22 Printer Condition and Panel Status Printer status indicators Priority Ink Out Ink O
76. ferent browse with different nozzles The figure below shows 1 line Overlap at 5 dot sending as an example with explanation on the next page Note1 The paper feed pitch is 5 360 dpi in this figure Note2 Mark of 4 mean overlap nozzle Raster 1 Raster 10 Figure 2 6 Part line Overlap Micro Weave Rev A 2 5 EPSON Stylus Color 600 The difference between Full Overlap Micro Weave and Part line Overlap Micro Weave following Full Overlap Micro Weave Printing is performed judging if nozzles are even or odd dot by 2 different dots with all different rasters a Part line Overlap Micro Weave After particular nozzles only 1 and 6 in the figure2 7 are determined as overlap nozzles even or odd dot will be determined like Full overlap Micro Weave does Forward Overlap Nozzle is determined as even and backward nozzle is odd Also nozzles other than particular nozzles can print at even and odd dot just by one nozzle 1 Overlap Nozzle Head drive frequency is driven half of the ordinal one like 2 below 2 Nozzle other than Overlap nozzle Head drive frequency is twice as much as overlap nozzle Usually the firmware changes over automatically these full overlap Micro Weave Part line Overlap Micro Weave and ordinal Micro weave according to the selection of resolution Also when these three printing modes are performed by the Stylus Color 600 the printer performs top an
77. hanism Rev A 2 13 EPSON Stylus Color 600 2 1 1 4 Ink System Ink system mechanism consists of 1 cap mechanism 2 pump mechanism 3 carriage lock mechanism 4 waste ink absorber and 5 ink sequence Out of these mechanism from 1 to 4 are physical mechanism and parts which are mounted on the printer mechanism and 5 ink sequence is performed automatically by firmware Also unlike previous models since Stylus Color 600 has no engage disengage mechanism to change over pump mechanism and paper feed mechanism it is one of the major characteristics that pump and platen are always at work whenever the PF motor is driven The figure below shows head positions when the ink system and various ink sequence are performed Platen Drive Gear Eject Roller Drive Gear Eject Roller Trasmission Gear Head Cleaner x Carriage Lock 5 PF Pump Motor Pinion Pump Roller Cap Unit Figure 2 12 Ink System Mechanism Printable Area 2975 dot CRHP A Dummy pumping position B Home position C Flashing position right side D I C replacing position E Wipping complete Rubing start position F ASF Standby position G Flashing position H ASF pick up position Figure 2 13 Major Ink Sequence Position on the Carriage Mechanism 2 14 Rev A Chapter2 Operating Principles 2 1 1 4 1 Pump Mechanism
78. heat the battery or put it near fire Do not solder on part of the battery Doing so may result in leakage of electrolyte from the battery burning or explosion The leakage may affect other devices close to the battery Do not charge the battery An explosive may be generated inside the battery and cause burning or explosion Do not dismantle the battery The gas inside the battery may hurt your throat Leakage burning or explosion may also be resulted Do not install the battery in the wrong direction This may cause burning or explosion CAUTION Danger of explosion if the battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacture Dispose the used batteries according to government s law and regulations ATTENTION Risque d explosion si la pile est remplac e incorrectment Ne remplacer que par une pile du m me type ou d un type quivalent recommand par le fabricant Eliminer les piles d charg es selon les lois et les r gles de s curit en vigueur NCAUTION Never remove the ink cartridge from the carriage unless manual specify to do so When transporting the printer after installing the ink cartridge be sure to pack the printer for transportation without removing the ink cartridge Use only recommended tools for disassembling assembling or adjusting the printer Apply lubricants and adhesives as specified See Chapter 6 for details
79. high before setting either ERROR low or PE high and held high until all these signals return to their inactive state BUSY signal is at high level in the following cases During data entry see Data transmission timing When input data buffer is full During INIT signal is at low level or during hardware initialization During printer error See ERROR signal When the parallel interface is not selected ERROR signal is at low level when the printer is in one of the following states Printer hardware error fatal error Paper out error Paper jam error nk out error PE signal is at high level during paper out error Table 1 11 shows the signal and connector pin assignments for parallel interface forward channel 1 In case of these signals twist pair line is used and returning side is connected to signal GND 1 Forward channel is the mode when the ordinary data such as print data is sent from the PC to the printer Table 1 11 Signal and Connector Pin Assignment for Parallel Interface PTS Signal Name Return SND Functional Description In The strobe pulse Read in of data is performed at the falling edge of this pulse 27 The DATAO through signals represent data bits 0 to 7 respectively Each signal is at high level when data is logical 1 and low level when data is logical 0 iul This signal is a negative pulse indicating that the orinter can again accept data a BUSY
80. hone 2585 4300 Phone 02 717 7360 Fax 2827 7083 Fax 02 712 9164 EPSON PORTUGAL S A R do Progresso 471 1 Perafita 4460 Matosinhos Portugal Phone 02 996 14 02 Fax 02 996 14 11 SEIKO EPSON CORPORATION Imaging amp Information Products Division 80 Harashinden Hirooka Shiojiri Shi Nagano Ken 399 07 JAPAN Phone 0263 52 2552 Fax 0263 54 4007 As of September 1996 EPSON SEIKO EPSON CORPORATION
81. horizontal line P Carriage Unit Prinr Head Unit o Platen Drive Mechanism Timing Belt Paper Pickup Mechanism Paper Pick Up Trigger Lever Pumping Position Pump Drive Mechanism Paper Feed Motor Carriage Motor Figure 2 1 Stylus Color 600 Printer Mechanism Block Diagram Rev A 2 1 EPSON Stylus Color 600 As major printer mechanisms in the figure 2 1 there are four major mechanisms as they are listed below 1 Printing mechanism 2 Carriage unit 3 Paper pick up mechanism 4 Pump drive mechanism 2 1 1 1 Printing Mechanism Basic principles of the print head which plays major role of printing mechanism is the same as previous models on demand type MACH head method but there is some difference in the resolution Refer to figure1 1 Also unlike Stylus Color Il Stylus 820 and Stylus Color 200 automatic correction type in order to fix the dispersion of mufti layer piezo electric element which is used for driving each nozzles it is necessary to input the VH value written on the side of print head by using exclusive program when you replace print head control board or the printer mechanism However there are no resistor array for decide the VH voltage on the main control board Following explains print head PZT PZT is an abbreviation of Piezo Electric Element Print signal from C200 board is sent through the driver board on the print head unit and to the PZ
82. ie m 28 3 2 5 9 HP Sensor Assembly R moval ene dene Des tube hides ve A re Det 29 Chapter 3 Disassembly and Assembly 3 1 OVERVIEW This section describes procedures for disassembling the main components of EPSON Stylus Color 600 Unless otherwise specified disassembly units or components can be reassembled by reversing the disassembly procedure Therefore no assembly procedures are included in this section Precautions for any disassembly or assembly procedure are described under the heading WORK POINT Any adjustments required after disassembling the units are described under the heading REQUIRED ADJUSTMENT 3 1 1 Precautions for Disassembling the Printer See the precautions below when disassembling or assembling EPSON Stylus Color 600 Disconnect the power cable before disassembling or assembling the printer Wear protective goggles to protect your eyes from ink If ink gets in your eye flush the eye with fresh water and see a doctor immediately If ink comes into contact with your skin wash it off with soap and water If irritation occurs contact a physician A lithium battery is installed on the main board of this printer Be sure to observe the following instructions when servicing the battery Keep the battery away from any metal or other batteries so that electrodes of the opposite polarity do not come in contact with each other Do not
83. in the cap and can hold a certain amount of ink which is absorbed from the head without draining it to the waste ink pad Also in the bottom of absorber there are two valves in order to control adhesion of head and cap surface and one exit to drain ink to the waste ink pad A Flag for Carriage B _ Ink Eject Valve Negative pressure release valve 1 Valve Close state Release state Flag for frame Head surface and cap are adhered each other T L Ink ab t Actual and false the cap absorptions During cleaning initial ink During left flushing and paper charge and right flushing etc feeding etc Figure 2 16 Cap Mechanism Operation Principle If the carriage is out of HP in this case in the printable area or paper feed position the valves on the cap mechanism stays in the position A in the figure above and are always closed In this condition the carriage collides with flag actual ink absorption and slight ink absorption are performed Also by moving the carriage to further right side and colliding the flag for opening the valves with the frame negative pressure is released in the state that head surface and cap are adhered This makes it possible for ink on the nozzle plate surface to be ready for leaving from the cap in the stable co
84. indicates MAINTENANCE ERROR perform the following operation to clear the error Head Cleaning 1 The printer has a built in head cleaning function and is executable from the control panel 2 Confirm that the printer is in stand by state the POWER indicator is not blinking and hold down the cleaning button on the control panel for more than 3sec 3 The printer perform the built in cleaning sequence during cleaning operation the POWER indicator is blinking Q Maintenance Error Clear oince the printer consumes the ink not only for printing but also for another operation like cleaning certain amount of ink are wasted Therefore the printer counts the amount of waste ink and they are collected at the waste ink pad and once the amount of waste ink reaches the predefined limit the printer indicates MAINTENANCE ERROR and the waste ink pad should be replaced as follows 1 Replace the waste ink pad to new one 2 After re assemble the printer turn the printer on while hold down the following buttons on the control panel OAD EJECT button e CLEANING button Press LOAD EJECT button again while PAPER END indicator is blinking This clears the maintenance error condition and the waste ink counter value stored in EEPROM of the main board 6 1 EPSON Stylus Color 600 Service Manual 6 1 3 Lubrication The type and amount of oil and grease used on this printer are determined based on the results of inte
85. ing explains process of multi feed prevention step by step Refer to the figure above and confirm its operation Step 11 When the load Eject switch is pressed or printing order is input from the PC PF motor rotates counterclockwise and makes the CAM rotate towards direction of 1 in the figure above Step 2 When the CAM covers the notch by the return lever that position is considered as home position being monitored by ASF sensor Step 3 When the CAM rotates toward 1 in the figure above the return lever is pushed by the notch of CAM and falls towards 2 At this time the return lever moves to direction 3 by this motion and push down the pad which is waiting in the below part At this time friction of pinch roller and pad will be canceled Step 4 The papers which are out of stand by position by the previous paper feed motion are returned to the paper stand by position by flip over strength of return lever After this PF motor rotates clockwise and the printer goes to pick up sequence 2 12 Rev A Chapter2 Operating Principles In the paper pick up mechanism of Stylus Color 600 same mechanism as Stlylus Color 115 820 are applied This mechanism changes adjoined lines of gear by colliding trigger lever with carriage unit and convey the motive power on the platen to the ASF side paper roller The figure below shows mechanism with explanation 2 Paper pick up mechanism When the Load Eject switch is pressed or printing order is
86. ion 1 O Synchronous clock signal 085 1 O 5 11 _ RXD ReceveDaa 6 TXD O Balanced Transmit Data 7 DIR Data TerminalReady 8 4 RXD 1 Balanced Receive Data Table 1 18 X ON X OFF and DTR Status Less than 3072 bytes Send X OFF code More than 5120 bytes Send X ON code 1 20 Rev A Chapter 1 Product Description 1 4 Control Panel Since EPSON Stylus Color 600 does not require many buttons since printer driver can start various settings and motions Therefore there are only 2 non lock type push switches 1 lock type push switch and 4 LEDs Following figure shows control panel of EPSON Stylus Color 600 QUO Ink out CMY LED Paper out LED Ink out Black LED Cleaning Switch Load Eject switch Power switch Ink maintenance Figure 1 11 Control Panel 1 4 1 Indicators Power Lights when the operate switch is and AC power is supplied Paper out Lights during the paper out condition and blinks during the paper jam condition Ink Out Black Lights during no Black ink condition and blinks during the Black ink low condition Ink Out Color Lights during no Color ink condition and blinks during the Color ink low condition Rev A 1 21 EPSON Stylus Color 600 1 4 2 Panel Functions Table 1 19 Panel Function Load Eject L
87. ion and may cause a serious problem in the print head as a result NWARNING amp 7 Never use the ink cartridge once taken out from the printer Following explains the reason of the above warning After the cartridge is once taken out airs come in from the ink supply hole located at the top of cartridge and becomes bubbles and they are absorbed into the head during printing performance Therefore the head will be unable to discharge the ink properly Also inevitable entering of bubbles when installing a new ink cartridge can be absorbed to ink itself since the ink itself in the cartridge is deaerated during the production process However this absorbing ability can last only about one hour after the cartridge is installed Even after the bubble absorbing ability described above stops there is no worry about entering bubbles as long as the ink cartridge is being installed to the printer However if the ink cartridge which does not have absorbing ability any more is once removed from the printer new coming bubbles into the cartridge will never disappear naturally These bubbles may cause not only printing malfunction but also thickening ink This thickened ink goes into the head and clogs ink path in the head or nozzle and may cause serious head damage Q As standard specification for EPSON Stylus Color 600 ink consumption counter is reset when the ink cartridge is removed If an ink cartridge is removed and re installed unnecessari
88. ith BUSH PARALLEL ADJUST LEFT Gap Confirmation 9 Repeat the step 3 to 4 again 10 Confirm that the thickness gauge do not slide when you move the carriage assembly to right and left for above 20mm 11 Shift the position of BUSH PARALLEL ADJUST RIGHT for one notch to backward Gap Narrower and confirm that the thickness gauge is sliding by moving the carriage assembly If not return to step 1 and repeat adjustment again 12 If the gap is correct shift BUSH PARALLEL ADJUST RIGHT for one notch to forward Gap Wider Fixing BUSH PARALLEL ADJUST 13 Fix both bushes with 2 screws 1 each No 1 When the paper gap adjustment complete confirm that the overlap of printhead nose and CLEANER HEAD 1 Move the carriage assembly next to CLEANER HEAD 2 Confirm that the overlap of printhead nose and top edge of CLEANER HEAD is more than 0 5mm 4 2 Rev A Chapter 4 Adjustment Left PAPER GUIDE FRONT B Right gt HP side Rib Avoid 2ribs from left Carriage Thickness Gauge Rib Avoid 1 rib at right end Assembly Put the gauge on a flat face Align the center of gauge and the ribs l SEMINE PAPER GUIDE FRONT B Figure 4 1 Paper Gap Adjustment Thickness Gauge Setting Position Mark Forward o Backward Gap Wider Gap Narrower Side Frame 0 BUSH PARALLEL ADJUST RIGHT LEVER PG Figure 4 2 Paper Gap Adjustment
89. ivesina A 3 CRB 1 Ou 9fPhasedrvesignl B 4 Ou JfPheasedr vesignd B Table A 6 Connector CN7 Pin SigalNam 10 X 9 Functin 1 Phase drive signal A 2 Ou Phasedrvesignd CA 3 1 Ou JHfnhased vesigndl B 4 PEB _ Phase drive signal B Table A 7 Connector CN8 Pin SignalNam 10 Function 1 BCO I Black ink cartridge detect signal 2 OCCO Color ink cartridge detect signal D x 1 Ground Ground s 8 090 9 S Ou JC D8Headdataouput 2 10 GND Goni 1 X Grud 1 GND 16 X Grud 17 Logic power supply 5V 18 1 19 X Ground 20 1 X Grund 21 hHeaddrivepowersuppy 22 Head drive power supply 23 Head drive power supply 24 VHV Head drive voltage control signal _ 25 VHV Head drive voltage control signal Rev A Appendix Table A 8 Connector CN10 Signal Name 42V Mechanism drive power suppl Mechanism drive power suppl Ground Power supply switch output signal Ground Ground Logic power suppl NE ss 1 Ground poe Los ss NEC GNE
90. l describes functions theory of electrical and mechanical operations maintenance and repair of EPSON Stylus Color 600 The instructions and procedures included herein are intended for the experience repair technician and attention should be given to die precautions on the preceding page The Chapters are organized as follows CHAPTER 1 GENERAL DESCRIPTION Provides a general product overview lists specifications and illustrates the main components of the printer CHAPTER 2 OPERATING PRINCIPLES Describes the theory of printer operation CHAPTER 3 DISASSEMBLY AND ASSEMBLY Includes a step by step guide for product disassembly and assembly CHAPTER 4 ADJUSTMENT Includes a step by step guide for adjustment CHAPTER 5 TROUBLESHOOTING Provides EPSON approved techniques for troubleshooting CHAPTER 6 MAINTENANCE Describes preventive maintenance techniques and lists lubricants and adhesives required to service the equipment APPENDIX Describes connector pin assignments circuit diagrams circuit board component layout and exploded diagram The contents of this manual are subject to change without notice REVISION SHEET Issued Data February 20 1997 TABLE OF CONTENTS CHAPTER 1 CHAPTER 2 CHAPTER 3 CHAPTER 4 CHAPTER 5 CHAPTER 6 APPENDIX GENERAL DESCRIPTION OPERATING PRINCIPLES DISASSEMBLY AND ASSEMBLY ADJUSTMENT TROUBLESHOOTING MAINTENANCE Chapter 1 Product Descriptions DRM
91. l provide an impedance equivalent to 7 5K ohm to ground Data Transmission Timing for Reverse Channel The figure below shows timing chart of Parallel Interface Reverse channel DATA 1 8 SELIN STRB AUTO ACK BUSY Virtual Busy Status bit3 PE bit2 SELOT D ERROR bit bit6 bits bit4 Virtual Busy Status 2 Figure 1 10 Parallel Interface Timing Chart Reverse Channel 1 3 2 1 Prevention Hosts from Data Transfer Time out Generally hosts abandon data transfer to peripherals when a peripheral is in the busy state for dozens of seconds continuously To prevent hosts this kind of time out the printer receives data very slowly several bytes per minute even if the printer is in busy state This showdown is started when the rest of the input buffer becomes several hundreds of bytes Finally the printer is in the busy state continuously when the input buffer is full Rev 1 19 EPSON Stylus Color 600 1 3 3 Serial Interface Standard Based RS 423 Synchronization Synchronous Bit Rate Approx 900Kbps Handshaking DTR Protocol Word Format Data Bit 8 bits Parity Bit None Start Bit 1 bit Stop Bit 1 bit Connector 8 mini circular connector Recommended Cable Apple System Peripheral 8 Cable Part 197 Table 1 17 Pin Assignment PinNo SignalName Descript
92. lse considered as source of serial communication is commonly used for both black and CMY The serial data transmits data as 64 Clock unit synchronizing with this pulse After the data transmission of 64 Clock is completed LAT Latch signal is activated and is hold temporarily in the IR2C72C U101 At this time since the number of nozzle for Color head is fewer 21 nozzles and different from the ones for black head 0 is transmitted forcefully for the data for 43 nozzle 64 21 43 2 28 Rev A Chapter2 Operating Principles After the data transmission by the nozzle selector IR2C72C IR2C73C is completed and a certain time passes trapezoidal wave form generated by the common drive circuit once sends electric current to the PZT for the proper nozzles which are determined in the nozzle selector circuit This motivates PZT and ejects the ink in the cavity The figure below shows normal dot data transmission timing in order to from 1 dot Common Waveform Com SCLK LAT NCHG CHG ND1 ND2 KC1 Figure 2 26 Common Drive Circuit Block Diagram A 2 29 EPSON Stylus Color 600 2 2 2 7 PF Pump Motor Drive Circuit IC15 UDN2917 is used for driving PF Pump motor In the IC Bi pola drive PWM current control type is performed making it possible to provide stable current to each phase of motor Also it makes possible to change over the reference voltage as drive current se
93. ly the value on the ink consumption monitor which the user can check will be wrong and printer may keep printing even though the ink cartridge is installed empty This may cause head damage 1 5 2 Paper Out When printer fails to load a sheet after power on operation including timer cleaning is done and Load Eject button on the FF command or operation panel is pressed it goes paper out error 1 5 3 Paper Jam When printer fails to eject a sheet even after feeding motion is completed or Load Eject button on the FF command or operation panel is pressed it goes paper jam error 1 24 Rev A Chapter 1 Product Description 1 5 4 No Ink Cartridge Error Following reasons can be the causes when printer goes this error mode When the printer is turned on for the first time This is a normal error state and it returns to the normal state after installing an ink cartridge according to the ink cartridge exchange operation Ink cartridge exchange operation is done correctly After the position of carriage is moved by exchange operation if the cleaning switch is pushed without installing ink cartridge or if the carriage returns to the home position automatically without doing any operation it is considered as handling mistake However it returns to normal state by performing ink exchange operation again and installing cartridge correctly If No ink cartridge error appears even after the ink cartridge is installed the printer must be
94. moved from the printer mechanism for any reason this adjustment should be made to fix the gap 7 Donotscratch the surface of PAPER GUIDE FRONT B and ROLLER ASSEMBLY 7 careful not to damage or make dirty the nozzle surface of the printhead unit Paper gap Right hand side Adjustment 1 Attach both BUSH PARALLEL ADJUST L R to the side frame and align the position mark on top edge of it to a notch on the edge of the side frame 2 Set LEVER PG to front side Position 0 3 Move the carriage assembly to the middle and put the thickness gauge at the position specified in he figure 4 Move the carriage assembly over the thickness gauge WORK POINT 57 Thethickness gauge must be placed on a flat surface of the ribs of PAPER GUIDE FRONT B 7 During adjustment always pull the timing belt to move the carriage assembly 5 Shift the position of BUSH PARALLEL ADJUST RIGHT to backward Gap Narrower until when the thickness gauge starts sliding together with the carriage assembly when you move it to right and left for about 20mm 6 Atthe point of above step shift the position of BUSH PARALLEL ADJUST RIGHT for one notch to forward Gap Wider 7 Then confirm that the thickness gauge do not slide when you move the carriage assembly with either LEVER is at position 0 or Paper gap Left hand side Adjustment 8 Repeat the above step 2 to 7 w
95. n control 0 Bi D 1 Uni D 2 Auto 28H CG table O ltalic U S A 1 Italic France 08H 2 Italic Germany 3 lItalic U K 4 Italic Denmark 5 Italic Sweden 6 Italic Italy 7 Italic Spain 8 437 9 PC437 Greek 10 PC 850 11 PC 860 12 PC 863 13 PC 865 14 PC 861 15 BRASCII 16 Abicomp 17 Roman8 18 ISO Latin 1 19 PC 853 20 PC 855 21 PC 852 22 PC 857 23 PC 866 24 PC 869 25 MAZOWIA 26 Code MJK 27 150 8859 7 28 ISO Latin 1T 29 Bulgaria 30 PC 774 31 Estonia 32 80 8859 2 33 PC 866 LAT Ls OH 29H bitO Auto line feed Panel mask function bitb Extedned settings OOH OOH bit2 Cleaning bit1 Replace I C bitO Load Eject 2AH 2CH ae 2 Reserved Reseved MEC SEN 2FH Reserved Lu pon Reseved MEL ERE 33H Reserved _______ 35H Reseved 3BH Reserved 1 1 08 CR phase of Home ERROR Number 0 CO CO CO NO N 6 Rev A EPSON Stylus Color 600 Address Explanation QPIT Factory settings settings w ws 43H Rev A Ink flags Ink flags 2 Ink Counter Cb total 1 count 100 ng Ink counter CY total 1 count 100 ng Ink counter Cy total 1count 100 ng Ink counter Cc total 1count 100 ng Ink counter Csm total 1count 100 ng Ink counter Csc total 1 count 100 ng Reserved __ OFH bit resrved 00H 10H bit6 black one time bit5
96. ndition Rev A 2 17 EPSON Stylus Color 600 2 2 Electrical Circuit Operating Principles Stylus Color 600 contains the following four electric circuit boards B 206 PSB PSE board B 200 Main board B Head Driver board B C206 board C206 PSB PSE C200 board are explained in this section The head drive board is installed in the head uniton the carriage The figure below shows major connection of the 3 boards and their roles AC100V RCC Switching Regulator C206 PSB PSE Board 5 V DC 42 V DC Main Control Board C200 Main Board 5 V DC 42 V DC CR Motor PF MOTOR Pump Motor 2 18 Thermistor Head Drive Board Figure 2 17 Electric Circuit of Stylus Color 600 PE Sensor BCO CCO Sensor Print Head INK END Sensor Firm Wear ASF Lever Position Sensor Rev Chapter2 Operating Principles 2 2 1 C206 PSB PSE Board C206 PSB PSE board is a power supply board with a RCC switching regulator which generates 42VDC for drive part and 5VDC for logic part to drive the printer One of the major characteristic of this board is that the same secondary switch is used as Stylus Color series printer By using this switch the following difference can be seen as superficial phenomena compared with products applied with primary switch method such as Stylus Color 15 and Stylus 800 1000 series printer The table 2 12 below shows applica
97. nk B Install a new black ink cartridge end black by pressing load eject button for 3 seconds end color by pressing load eject button for 3 seconds tank and reset the EEPROM Fatal error Blink On On Blink Turn on the printer and turn it DIDI ESSE recover repair the suitable part 5 2 Rev A Chapter 5 Troubleshooting 5 2 Unit Level Troubleshooting When a problem occurs you can identify the defective unit according to the symptoms exhibited The table below lists the symptoms of certain problems Once the problem is identified refer to the flowchart that corresponds to the problem Table 5 4 Symptom and Problem Symptom Probem _ FlowchartNo Printer does not operate at LEDs do not light up Section 5 2 1 oower Printer mechanism does not operate Error is detected Error is indicated by LED indication section 5 2 2 Failure occurs during printing Printing is not performed section 5 2 3 Abnormal printing missing dot etc e Print quality is Printer does not feed the paper No paper is fed Section 5 2 4 correctly Paper feed is irregular Paper jam occurs Control panel operation is No response to button access Section 5 2 5 abnormal Rev A 5 3 Stylus Color 600 Service Manual 5 2 1 Printer does not operate at power on START ie Input normal power voltage e TOPE normal NO power supply YE
98. nter is disassembled and assembled for repair 4 1 1 Required Adjustments Table 4 1 lists all the adjustments required with this printer If any service listed in this table is carried out all adjustments corresponding to that service should be performed to ensure proper operation of the printer Table 4 1 Required Adjustments Service Performed Paper Gap Ink VH Head Bi D Adjustment Charge Setting Angular Adjustment Adjustment the printer mechanism the C209 MAIN board the printhead unit Me the CR Motor the carriage assembl the PF Roller assembl Note O Required adjustment NA Not applicable 4 1 2 Tools Required for Adjustment Table 4 2lists all the tools required to make the specified adjustments Table 4 2 Required Tools 1 Thickness Gauge Paper Gap Adjustment e Thickness 1 04mm e EPSON Code B776702201 Adjustment Program e Ink Charge Program Name J90C00E e VH Setting Head Angular e Bi D Alignment 57 Donotuse rusty or deformed thickness gauge for adjustment 57 Wipe off any dirt or dust from the thickness gauge before use 4 1 EPSON Stylus Color 600 Service Manual 4 2 Adjustments This section describes the detail procedure of each adjustment 4 2 1 Paper Gap Adjustment The paper gap is a distance between nozzle surface of the printhead unit and a paper surface and is adjusted to specified gap at the assembly Therefore if the carriage assembly is re
99. o compensate the variation in mechanism components characteristic so that the print position become even in bi directional printing This adjustment is required when one of the following service is made Replacing the printer mechanism Replacing the main board C200 MAIN Replacing the CR Motor assembly Replacing the carriage assembly and related components The values defined with this adjustment are stored in EEPROM on the main board 1 If the printer mechanism is replaced the ink charge operation and the VH Setting operation should be performed prior to this adjustment Refer to section 4 2 2 2 and 4 2 2 3 Connect the PC to the printer and turn on the printer Go to the main menu SCREEN 4 Input 4 to select Bi d Adjust and press ENTER key The program prints the check pattern one with the compensation value 0 and another two patterns each printed with the value 2 and 2 Select the number of the pattern with which the printed lines are most properly aligned and input the number and press ENTER key at the menu SCREEN 7 Then the program print the sample pattern with the compensation value you have selected Se obo o If all patterns printed by the program are completely mis aligned confirm the inclination of misalignment with the pattern printed with the value 0 by checking the relative position of the EVEN line to the ODD line e f EVEN line is shifted to RIGHT Requires value
100. o the paper types Table 2 6 Paper Gap Adjust Lever Setting PG adjustment value Normal paper Front 0 mm Coated paper 1 1mm between head and platen Envelops Rear 0 9 mm 2 0mm between head and platen It is a major premise that parallel adjustment is done correctly for the space between head and platen PG adjustment value above which can be changed by platen gap adjustment Parallel adjustment should be done when the serviceman mounts the carriage guide shaft on the printer mechanism during the production process or repair service In the adjustment the space between parallel adjustment lever and gauge should be 1 04 mm 2 10 Rev A Chapter2 Operating Principles 2 1 1 3 Paper Feed Mechanism and Pump Mechanism Mechanisms that send the paper in the hopper to inside the printer and perform constant paper feed in order to perform printing on the sent paper are called paper feed mechanism as generic name In the Stylus Color 600 4 phase 200 pole hybrid type pulse motor is used in the PF motor as a motive power of the paper mechanism and driving is done at 2 2 and 1 2 phase drive method This motor is not only used as a power source for paper feed mechanism but also used as power source of pump mechanism which is necessary for print head cleaning By using this pulse motor it becomes possible to use high speed driver or intermittent drive for the various paper feeds and pump operations such as paper feed slight paper feed high and
101. oads or Eject the paper Pushing within 0 5 seconds L When the carriage is on the Ink Cartridge change position return the carriage from Ink Cartridge change position Load Eject Starts the Ink Cartridge change sequence Pushing for 2 seconds Moves the carriage to cartridge change position Cleaning Q Starts the Head Cleaning sequence Pushing for 2 seconds 0 In the condition of Ink Low or Ink Out or No Ink Cartridge starts the Ink Cartridge change sequence When carriage is on the Ink Cartridge change position return carriage Pushing within 2 seconds from Ink Cartridge change position Note seconds is required at the User s manual This function is not available in printing status The time to complete the sequence may vary depending on the printer s status Panel Functions with Power ON Table 1 20 Panel Function with Power ON Load Eject L Starts status printings Cleaning 3 Enterthe Default Setting mode Load Eject 1 Enters the particular settings mode Factory use only To enter the particular settings mode it is necessary to push Cleaning followings switch while Paper Out LED is blinking It blinks about 5 Note status printings prints firmware version ink counter selected code page and nozzle check patterns Particular setting mode Table 1 21 Particular Setting Mode Load Eject Initialize EEPROM and reset Timer Note Re
102. ollowing adjustments 1 Paper Gap Adjustment Refer to Chapter 4 Section 4 2 1 2 Head Angle Adjustment Refer to Chapter 4 Section 4 2 2 4 3 Bi D Alignment Adjustment Refer to Chapter 4 Section 4 2 2 5 BUSH PARALLEL ADJUST RIGHT BUSH PARALLEL ADJUST RIGHT Side frame of Cut out of side frame printer mechanism Figure 3 19 BUSH PARALLEL ADJUST Removal 3 24 Rev A Chapter 3 Disassembly and Assembly x Carriage Assembly BUSH PARALLEL ADJUST LEFT SHAFT CR GUIDE BUSH PARALLEL ADJUST RIGHT LEVER PG SUB Spring Washer Convex side must be facing the bush Figure 3 20 Carriage Assembly Removal Rev A 3 25 EPSON Stylus Color 600 Service Manual 3 2 5 7 PF Roller Assembly Removal 1 Removing the upper housing Refer to section 3 2 1 2 Removing the carriage assembly Refer to section 3 2 5 6 Remove 2 screws No 1 at the top of mechanism and remove GUIDE PLATE CABLE 4 From the back of the mechanism unhook the springs from the frame and remove PAPER GUIDE ASSEMBLY UPPER total 6 pieces 5 Unhook PAPER GUIDE FRONT B and remove it 6 Unhook the both shaft holders of ROLLER ASSEMBLY PAPER EXIT and remove it 7 Unhook the left shaft holder of ROLLER ASSEMBLY PF and rotate it as to match with the cut out of the frame 8 Slide ROLLER ASSEMBLY PF to the left and pulling it out WORK POINT When reinstalling PAPER GUIDE ASSEMBLY UPPER
103. or if there is no connected problem in the cable connection Rev A 5 15 Chapter 6 Maintenance b TOVERVIEWZu iu u x uyu uu u u uu uum uu u iu uuu u s 1 E M 1 6 1 2 Service MaI t e agnCe u u LLL uu L uuu u 1 pue oda echia g ETE 2 Chapter 6 Maintenance 6 1 OVERVIEW This section describes the points and the procedures for maintaining the printer in its optimum condition 6 1 1 Cleaning This printer has no mechanical components requiring regular cleaning Therefore the points described below are suggested to be checked for any dirt and make an appropriate cleaning if necessary 57 Never use the chemical solvents such as thinner to clean the printer These chemicals damage the components of the printer 7 Becareful not to damage the components when you attempt to clean the inside of the printer 57 Do not scratch surface of ROLLER ASSEMBLY PF Use soft brush to wipe off any dusts or use soft cloth moistened with alcohol Housing Use clean soft cloth moistened with water and wipe off any dirt If the housing stained with an ink use a cloth moistened with a neutral detergent to wipe it off Inside the printer Use a vacuum cleaner to remove any paper dust 6 1 2 Service Maintenance If the print irregularity missing dot white line etc has occur or the printer
104. orm self test printing 15 printing carried out YES i Is printing quality normal T 4 NO Perform printing gt gt adjustment YES Refer to Chapter4 Perform cleaning Is the problem solved YES Exchange the ink cartridge with new NO One and perform self test Is the problem solved T Y Refer to 5 4 Repair of the printer mechanism YES v Is the problem Is all cables connected to the main board Connect cables v YES YES B solved NO Is the v problem gt Refer to 5 4 Repair of solved the printer mechanism NO YES l Is the problem NO solved YES v Replace the Main board v Figure 5 4 Flow Chart 3 Rev Chapter 5 Troubleshooting 5 2 4 Printer does not feed the paper correctly START _ Are papers set inthe ASF Y correctly NO Set the paper correctly lt y Does NO the PF roller and platen rotate YES Remove any obstruction in the paper path if there is any Perform cleaning for the roller of paper path Is the Y Is the problem solved NO YES BE motor running NO i YES Check the PF motor If there is no problem replace the m
105. ounter reset operation Refer to Chapter 1 Section 1 4 2 for details WORK POINT When re installing Waste Ink Pad Assembly be sure that Stopper Stacker that attached to the exit roller shaft is correctly pushed in to back of the projections of Waste Ink Pad Assembly Push it to the back of STOPPER STACKER projection Figure 3 6 Waste Ink Pad Assembly Removal Rev 3 9 EPSON Stylus Color 600 Service Manual 3 2 5 Disassembling the Printer Mechanism This section describes the procedures for removing the main components consisting the printer mechanism 3 2 5 1 Printhead Removal SI Pro Removing the upper housing Refer to section 3 2 1 Rotate Gear 67 2 largest gear at the left hand side of the printer mechanism toward the front to disengage the carriage lock mechanism and move the carriage assembly to the middle of the printer Remove both black and color ink cartridges Remove both carriage cover assemblies from the carriage Remove Twist Spring 49 at left hand side of the carriage and remove 1 screw No 3 fixing FASTNER HEAD Then remove FASTNER HEAD from the carriage Unhook the flat cables from the carriage assembly and tae out the printhead unit from the carriage Disconnect the cables from the connector of the printhead unit WORK POINT Notice that the grounding plate is installed in correct position there are two fixing pins in the carriage Be sur
106. pter 3 Disassembly and Assembly 3 2 5 9 HP Sensor Assembly Removal 1 Removing the upper housing Refer to section 3 2 1 2 Detach the cable from the sensor and remove it by unhook it from the frame SENSOR HP CR MOTOR Figure 3 25 HP Sensor Removal Rev A 3 29 Chapter 4 Adjustment AA OVERVIEW u 1 AAT Hequired Ad USlmehls ieri euin RR EE E uk nasa 1 4 1 2 Tools Required for 2 422446 22 44 nen nnn nnne J J nan 1 4 2 5 uuu u u uu us us 4 o5 dni 020230102035 5220620900300 02 D 422 Du EE Ede 10 o2 3a E Oo Rs Uic a 2 4 22 2 4 2 2 Adjustment using Adjustment Program J J J 4 4 2 2 1 Overview of Adjustment 4 4222lnk Charge Ope lallOM sedo 5 3 Bri erue e cS 7 4 2 2 4 ead Angular Adjustment 9 4 22 G B D Algnment Adjustment s ua esos date u a ee 11 Chapter 4 Adjustment 4 1 OVERVIEW This section describes the procedure for adjustments required when the pri
107. r 1 Product Description 1 7 3 C206 PSB PSE Board The C206 PSB PSE board is a switching regulator type power supply unit and constantly supplies stable logic and power voltages to the printer mechanism and the main control board Also since this C206 PSB PSE board has the power switch in the secondly side of the circuit it is possible to keep supplying electricity to the C200 MAIN control board for 30 seconds even after the power switch is turned off Using this time difference even when mis operation is done by the user such as turning off the power during the middle of printing work it prevents unexpected trouble with the printhead from occurring by transferring the printhead to the cap position before complete shut down The C206 PSB Board is for AC100 120V input voltage and the C206 PSE Board is for AC220 240V input voltage AC input CN1 Q1 FET Switching C206 PSB 5 Power line to C200 MAIN Mechanism FUSE F1 ONB ro C206PSB BOARD 607 0 A C8 a 55 2023062 00 1 Photo coupler Figure 1 14 Exterior view of C206 PSB Power Supply Board 1 7 4 C206 PNL Board The C206 PNL board is located in the panel case where is in the right bottom of the front of printer and consists of 3 switches 4 LEDs C206 ALACMK P2x 500 55 2023066 00 Figure 1 15 Exterior view of C206 PNL Board Rev 1 29 Chapter 2 Operating Principles
108. r is Check the capping Replace the cap damaged or rubber visually mechanism deformed the cap out of the cap visually oroperly Pump bulb is not Check the bulb Replace the cap closed at operation visually mechanism absorption Abnormal carriage Abnormal carriage Foreign substance Check visually if Hemove any operation operation at power in the CR drive there is any foreign on gear substances or not substances CR motor is Check the inner coil Replace the CR defective resistance and see if motor there is any disconnection of the coil Abnormal carriage Carriage movement Check whether the Clean and operation during is not smooth carriage moves lubricate the printing smoothly when carriage guide Check tension of the Adjust tension exchange it Check if there is any Remove any foreign substances foreign in the carriage path substances Printing is not The carriage Head FFC is out of Check if the head Connect the FFC performed moves but no connection FFC on the board or properly printing is carriage is performed connected surely disconnected a tester inside perform the self test Head unit is If the condition does Replace the head defective not improve even unit after 2or 3 times cleaning operation replace the head unit and perform the self test Rev A 5 13 Stylus Color 600 Service Manual Table 5 10 Repair of the Printer Mechanism Con Abnormal prin
109. rnal evaluations Therefore specified type and amount of oil and grease must be applied at specified part of the printer mechanism when servicing the printer 7 Never use the oil and the grease other than those specified in this manual and using different type of lubricant can damage the printer and the components 7 Never apply oil or grease exceeding the amount specified in this manual Table 6 1 Specified Lubricants Tye 1 EPSONCode Supplier B702600001 EPSON Oil 08 1019753 EPSON Table 6 2 Lubrication Points Stadad 2 Lubrication Point Apply grease while rotating GEAR 67 2 Contact between ROLLER PF and Do not put grease around the paper path PAPER GUIDE REAR Use a syringe to apply it A half turn of ROLLER PF Lubrication Point Apply to the contact of a hook of PAPER Contact between PAPER GUIDE GUIDE FRONT and each roller FRONT and each rollers Do not put grease around the paper path 1 ROLLER PF 1 point Use a syringe to apply it 2 ROLLER EXIT 2 poi Lubrication Amount 1 10mm long 2 2mm long Lubrication Amount From the HP sensor installation point to the point where GUIDE PLATE CABLE is attached Lubrication Point Rotating the gears after applying grease to Gears evenly distribute it 1 GEAR 67 2 Use a syringe to apply it 2 COMBINATION GEAR 8 14 4 GEAR 23 2 Lubrication Amount
110. service unit comes with the printhead unit installed 1 When replacing the part mentioned above take a note of the ID code indicated on the unit as below e Printhead Unit otamped at the side of the unit Printer mechanism Indicated on a label attached to the packing box for the after service unit Re assemble the printer Connect the PC to the printer and turn on the printer Execute GWBASIC EXE from the adjustment program diskette and run J90COOE Go to the main menu SCREEN 4 Input 1 to select VH Setting and press ENTER key At the next menu screen input 0 as No and press ENTER key Then next menu SCREEN 5 appear on the screen and input the ID code which you noted at the beginning of this procedure QNO oa Se VH ID Code format 1 2 digits from left Normal dot VH ID 3 digit Drive frequency ID 4 5 digits Micro dot VH ID 9 After inputting the ID code the program returns to the main menu and you can continue to another WORK POINT adjustments k7 Timing to write the specified value to EEPROM Upon pressing ENTER key after ID code input Head VH ID Viewed from front Figure 4 5 Head VH ID Indication Rev A 4 7 EPSON Stylus Color 600 Service Manual SCREEN 4 MAIN MENU for Production 90 00 VH Setting Ink Charge Angular Adjust Print XX XX XXXX XX XX XX Angular Adjust Setting Bi d Adjust Customer 010 USA
111. ssis DC500V AC1500 V rms 1 minute between AC line and chassis 10 000 pages A4 letter 2000 million dots nozzle UL 1950 with D3 CSA22 2 No 950 with D3 FCC part 15 subpart B class CSA C108 8 class B EN 60950 VDE and NEMKO ENB55022 CISPR Pub 22 class AS NZS 3548 class 45 dB A According to ISO 7779 Low voltage Directive 73 23 EEC 60950 EMC Directive 89 336 EEC Rev A EN55022 Class B EN61000 3 2 EN61000 3 3 EN50082 1 801 2 801 3 801 4 1 13 EPSON Stylus Color 600 1 2 13 Printer Language and Emulation Printer Language 1 ESC P control codes B General Operation O Initialize Printer O Unidirectional Printing CSF Mode Control B Paper feeding Form Feed O Line Feed Line Spacing Carriage Return B Page format O Page Length Left Right Margin O Top Bottom Margin Printer position motion Horizontal Print Position Vertical Print Position Tab Horizontally Tab Vertically Advance paper B Font Selection Typeface Pitch and Point Pitch Italic Font Bold Font Master Select II I I HHL B Font enhancement Double Width Condensed Double height Double Strike Super Subscript Underline Line Score Character Style B Spacing Intercharacter Space O HMI O Define Unit B Character handling Character Table International Character User Defined Charac
112. t size B Non operating 429mm W x 275mm D x 168mm H B Operating 429mm W x 613mm D x 309mm H B Weight 5 2Kg without cartridge L Acoustic noise B Approximately 47dB A Two built in standard I F B Bi directional Parallel I F IEEE 1284 level 1 device B Serial I F Macintosh compatible to 900Kbps The table below shows consumable for EPSON Stylus Color 600 Table 1 1 Available Consumable Co Remak 1 1 EPSON Stylus Color 600 1 2 Specifications This section describes the product specifications for EPSON Stylus Color 600 1 2 1 Printing Specification LL Print method B On demand color ink jet printing Nozzle configuration B Black 64 nozzles 32 nozzles x2 staggered Nozzle pitch 180dpi vertical Color 32 nozzles per color CMY Nozzle pitch 90dpi vertical Print Direction B Bi directional printing with logical seeking for text and graphics Print Buffer 32KBytes Print speed and Printable Columns Table 1 2 Print Speed Text Mode Character Pitch Draft Speed LQ Speed Column CPS CPS 10 CPI Pica 8 40 200 12 CPI Elite 96 40 240 15CPl 120 60 30 Table 1 3 Print Speed Raster Graphics Mode Horizontal Resolution Printable Available Dot CR Speed Area IPS 180 dpi 8 26 inch 1488 360 dpi 8 26 inch 2976 720 dpi 8 26 inch 5952 Nozzle arrangement See figure below a 320 360 22 5778mm 144 360 1
113. tep sequence in order to rotate the rotor once However in case of W1 2 phase it is required to take 16 step sequence in the table 2 4 sequence 0 15 which is 4 times more than 2 2 phase method to do that Also in case of 2W 1 2 phase drive which can be seen in the Stylus Color etc it takes 2 step to rotate the rotor once The table below shows relation of rotation direction of rotor and carriage proceeding direction Table 2 5 Relationship Between Rotor Direction and Carriage Operation direction Rotor sequence side clockwise direction 80 columnHP direction Looking from rotor output 2 2 1 2 W1 2 phase Sequence 15 50 side counterclockwise direction 2 8 Rev A Chapter2 Operating Principles The figure below shows carriage mechanism The print head as a core of the printing mechanism is stored in the carriage unit This print head keeps the tilt of print head in flexible and adjustable structure by moving the adjustment lever up and down by the tilt adjustment mechanism Refer to chapter 4 for more details Also parallelism adjustment lever is mounted on the left and right side of carriage guide shaft and it adjusts parallelism degree between platen and shaft when this shaft is installed to the printer mechanism After this adjustment is completed and operate PG adjustment lever it becomes possible to change the space between platen surface and print head surface into 2 phases either 1 1mm to 1 8mm It is possible to
114. ters Upper Control Codes Print Data as Characters ESC P2 EPSON Remote ESC ESC U ESC EM t FF ESC 0 ESC 2 ESC 3 ESC CR ESC C ESC C ESC CO ESC Q ESC1 ESC c ESC ESC ESC ESC ESC V ESC v 5 D HT ESC B VT ESC J ESC k ESC x ESC X 5 P ESC ESC g ESC p ESC 4 ESC 5 ESC E ESC F ESC 5 W DC4 SO DC2 SI ESC w ESC G ESC H 5 T ESC S 5 ESC 5 5 Space ESC ESC ESC t ESC t ESC R ESC 9 ESC amp ESC ESC 6 ESC7 ESC Rev Rev Bit image Bit Image Graphics Graphics Mode Raster Graphics Microweave control Dot size control Horizontal Position Printing Speed 00000 Printing mode Printing mode Color Printing Color EEPROM control O EEPROM control ESC G ESC ESC ESC ESC ESC s ESC ESC r ESC r ESC Chapter 1 Product Description 1 15 EPSON Stylus Color 600 1 3 Interface This printer provides both parallel and serial interface as standard 1 3 1 Parallel Interface Forward Channel Transmission mode 8 bit parallel IEEE 1284 compatibility mode Synchronization By STROBE pulse Handshaking BUSY ACKNLG signal Signal level TTL compatible level Adaptable connector 57 30360 amphenol or equivalent BUSY signal is set
115. that CLEANER HEAD moves smoothly by rotating GEAR 67 2 after you re assemble the pump assembly Hold the cap assembly to the right while you rotating the gear for check Ink Tube Routing OK Ink tube goes behind of the cap assembly Viewed from front The ink tube is on the part of the cap assembly Figure 3 9 Ink Tube Routing 3 12 Rev A Chapter 3 Disassembly and Assembly Loosen screw and lift up the exit frame KA D N NC N 2 A 2 PUMP ASSEMBLY CAP ASSEMBLY Remove 2 screws and unhook the hooks to remove the pump assembly CLEANER HEAD Pump Components Assembly Order Figure 3 11 Pump Assembly Removal EPSON Stylus Color 600 Service Manual 3 2 5 3 CR Motor Assembly Removal 1 2 Removing the upper housing Refer to section 3 2 1 Rotate Gear 67 2 largest gear at the left hand side of the printer mechanism toward the front to disengage the carriage lock mechanism and move the carriage assembly to the middle of the printer Push HOLDER PULLEY DRIVEN inward to loosen the timing belt and detach the timing belt from the drive pulley of CR Motor assembly Remove 2 screws No 1 and remove MOTOR ASSEMBLY from the mechanism WORK POINT Be sure that the projections of the motor bracket is inserted to the holes of the frame properly RE
116. the other hand signals which are output by combination of these resistance s on off are input in the 25 and 44 pins HIC is driven at the same standard voltage for each A and B phase Actual on off control to send electricity through the motor is performed by the process that SEN1 and SEN terminals 2 and 13 pin detect the input signal from the gate array which is monitored by the interior comparator confirm the current that actually flew the phase as current value again and perform the feed back to the on off The figure below shows relation between input signal to the driver and motor control 42V Note In case of PF motor same reference voltage is input to UDN2917 for Ra both phase A and B but differet reference voltage is set individually for phase A and B in case of lt e CR motor R1 262 2832842 Rb If feeds back the current E05B43 IC2 RS that actually flew in the v Gate Array coil to the comparator 4 It varies load resistance by the control signal and changes the ratio of partial 4 pressure 22 2917 1 14 1 15 Figure 2 28 PF Pump Motor Driver Internal Block Diagram 2 30 Rev A Chapter2 Operating Principles 2 2 2 8 CR Motor Drive Circuit In the CR motor the same UPD2917 IC14 as the PF motor has used In the IC Bi pola drive PWM current control type is performed making it possible to provide stable current to each
117. there is paper in the printer Based on the signal form this sensor a particular paper edge treatment such as Micro weave printing is performed A HP sensor detects the carriage home position lt is used for managing printing position and cleaning etc A thermistor sensor keeps stable printing quality changing PZT drive voltage VH slightly according to changes of environmental temperature Cartridge sensors are built into the Bk CMY cartridge on the carriage unit respectively to determine if the cartridge is installed or not when it is exchanged or the power is turned on In case of Stylus Color 600 the counter is reset at every time the cartridge is removed The figure below shows sensor circuit Out of the data such as EPW with IEEE 1284 Nibble mode to be returned to the host the data to indicate ink consumption is calculated and managed by the counter of the firmware Therefore it is omitted here TMP95C061 IC1 2 2 Vref 2 2 2 1 A AGND 2 2 2 ual 2 al 2 J E05B43 2 i 5V RON UN NUN CACC a a Eu a En aut a ut unn un un Eu SW8 CCO 199 SW BCO 201 SW6 PE 203 SW5 HP 205 SW4 ASF 207 Figure 2 21 Sensor Circuit Block Diagram 2 24 Rev Chapter2 Operating Principles 2 2 2 3 EEPROM Control Circuits The EEPROM of Stylus Color 600 has follo
118. ting Only a particular dot Print head surface is Perform the cleaning Perform the causes abnormal clean operation several printing dot missing times and check orinting The head unit is Perform the cleaning If condition does not defective operation several improve even after times and check the cleaning replace orinting the head Capping absorber is Check the head Replace the head touching the head absorber visually absorber if it is surface deformed A dot is not printed Print head surface Perform the cleaning Perform the is not clean operation several dot missing times and check of connection FFC on the board or properly carriage is connected surely The head unit is Perform the cleaning If condition does not detective operation several improve even after times and check the cleaning replace orinting the head I C is defective Install the new I C Replace I C and perform self test Black specks or The head FFC is out Check if the head Connect the FFC dots of connection FFC on the board or properly Carriage Is connected surely The head unit is Check connection Replace the head if detective with the head there is no connection problem with the FFC aligned alignment is not adjustment adjusted in the image data correct adjustment correct adjustment Dot shooting Perform the cleaning Perform the direction is tilted operation several cleaning opera
119. tion because head times and check surface is not clean printing I C is defective Install a new and Replace perform the self test Head unit is Perform the cleaning Replace the head defective operation several times and check orinting 5 14 Rev A Chapter 5 Troubleshooting Table 5 11 Repair of the Printer Mechanism Con Paper is not fed Friction of the PF Check if the PF Clean the PF roller roller roller rotates when by the cleaning paper is not fed sheet Replace the PF roller if it does not recover of the hopper the ASF hopper visually drive change over gear rotates visually the ASF drive change over Friction of the PF Check if the PF Clean the PF roller roller roller slips during by the cleaning paper feeding sheet Replace the PF roller if it does not recover Printer stops during Fatal error appears ASF sensor is Check the signal Replace ASF Initialization defective level of the ASF sensor sensor Refer to PE sensor is Check the signal Replace PE sensor defective level of the PE sensor Refer to HP sensor is Check the signal defective level of the HP Head FFC is Check if the head Connect the head disconnected is connected CR motor is Check the CR motor Replace the CR defective cable is connected motor if there is no problem in the cable connection PF motor is Check if the PF Replace the PF defective motor cable is mot
120. tion of voltages generated by C206 PSB PSE board 1 Evenif the switch is turned off during the middle of printer operation since the driving power is turned off after the carriage goes back to the carriage lock position the possibility of clogging ink nozzle will be decreased 2 Ifthe switch is turned off when the papers in the printer are still being carried except for the papers in the hopper the same operation mentioned above is performed and the driving power is turned off after the paper is completely ejected Table 2 12 Application of DC Voltage Voltages Application 42VDC CR Motor B PF Pump Motor B Head driving power suppl 5VDC B Power supply for logic control System control signal Sensor circuit power supply voltage LED panel drive power supply Nozzle selector control signal power supply voltage Figure 2 18 shows block diagram of C206 PSB PSE board The process from the input of AC100V to the output of DC42V and 5V is explained below 1 Regardless of the state of power switch On or OFF the voltage is always applied in the primary side of the power supply board from the moment or at the state that AC plug is plugged in At this time F1 plays a role of preventing AC100V from coming into the F1 L1 and R1 R2 also prevent high harmonic wave noise generated in the RC circuit filter which consist of C1 C4 and R1 R2 from going out and eliminate the noise from outside here 2 The AC is full wave rectifi
121. tridge Black 1 10 Rev A Chapter 1 Product Description 1 2 6 2 Color Ink Cartridge Table 1 10 Color Ink Cartridge Specification ltem Specifications 300 pages 4 360 dpi 5 duty each color Validity 2 years sealed in package 6months out of package Environmental L Temperature conditions B Storage 20 40 within a month at 40 B Packing storage 30 40 within a month at 40 B Transit 30 60 within 120 hours at 60 and within month at 40 Humidity 5 85 without condensation Resistance to vibration B Sealed in package 5 55Hz B Acceleration Less than 29 4m s 3G B Direction Y Z direction B Time 1 hour Drop B Sealed in package O Dropping height Less than 0 80m Direction Drop the package facing the bottom sides and one edge down B Out of package O Dropping height Less than 1 50m O Frequenc Weight Total ink cartridge 68g B Total ink 13 3 0 5g Amount in the ink cartridge Consumable ink More than 10 1g each color Useable ink quantity until Note Ink cartridge can not re fill only ink cartridge is prepared for article of consumable Do not use the ink cartridge which is passed away the ink life Ink will be frozen under 4 environment however it will be usual after placing it more than hours at room temperature dst 43 2 38 5 Figure 1 7 Ink Cartridge Color A 1 11 EPSO
122. tring when it is requested Table 1 12 Device ID Description 0H Contents EPSON Production Maker ESCPL2 BDC Stylus SP Color SP 600 PRINTER L OOH denotes a hexadecimal value of zero MDL value depends on the EEPROM setting L MDL value depends on the EEPROM setting Model name can be changed by changing a certain address in the EEPROM The table below shows pin assignment for reverse channel 3 In these case of signals twist pair line is used and returning side is connected to Signal GND 3 Reverse channel is the mode that any data is transferred from the printer to the PC Table 1 13 Pin Assignment for Reverse Channel Signal Name Return Functional description GND pin NE NE HostClk 19 In Host clock signal 1 2 9 Data0 7 20 27 In The DATAO through DATA7 signals represent data bits 0 to7 respectively Each signal is at high level when data is logical 1 and low level when data is logical 0 These signals are used to transfer the 1284 extensibility request values to the PrtClk Printer clock signal Data Bit 3 7 eas busy signal and reverse channel transfer data bit 3 Or E DataBit 2 6 t Acknowledge data request signal and reverse channel transfer data bit 2 or 6 13 Xflag DataBit 1 5 X flag signal and reverse channel transfer data bit 1 or 5 14 2 30 Host busy signal INIT 30 Inj Notused
123. ttings by making 3 combinations 100 66 and 3396 using 4 current setting ports input Refer to 2 1 1 3 for motor and details about sequence However firmware does not drive Micro step in the Stylus Color 600 The figure below shows the block diagram of Unlike using Uni Pola drive there is no cable for GND in the motor since Bi Pola drive is performed in the PF motor Refer to section 2 1 1 2 since carriage motor interior connection diagram has the same connection as the PF motor s phase connection This helps to understand the reason why the direction of current is controlled freely in each phase by the combinations of high low control signals E05B43 IC2 UDN2917 IC15 A 1 z 6 PFA 57 A PFAO I 2 5 1 2 111 e PF A 55 23 2 PFBO F 2120 18 prp 56 PFB1 2121 21 PFB B e 59 43 PFAPH z PH1 26 20 PH2 A A x 46 49 Current Selection 25 1 PFVO PFV3 Resistor 2 Vref2 ze n 42 s 2 SENS a 5 E1 2 2 2 SENS2 E2 Z 4 Figure 2 27 PF Pump Motor Circuit Block Diagram The current control is performed by output port 46 49 pin of E05BA3 IC2 its outer resistance circuit and driver IC15 UDN291 7 First firmware possesses 16 ways of current values as current table out of combinations made by 5 resistance which are connected to the output ports 46 49 pin in the gate array On
124. ure 2 3 Print Head Normal State 2 Ejecting State When the print signal is output from the C200 main board IC IR2C72C and IR2C73C Nozzle Selector located on the print head unit latches the data once by 1 byte unit Appropriate PZT latched by nozzle selector is pushed in to the cavity by applying common voltage from the C200 main board By this operation ink that is stored in the cavity pops out from nozzles Figure 2 4 Print Head Ejecting State Rev A 2 3 EPSON Stylus Color 600 2 1 1 1 2 Printing Method This section explains printing method of actual printing such as printing text at various resolution select printing mode and graphics printing In order to prevent white or color banding which are peculiar problem of ink jet new Micro Weave functions are added to the previous Micro Weave function The number of nozzles and printing mode according to the selected resolution are used separately by a user The table below shows relation between selected resolution and printing mode 1 Full Overlap Micro Weave 2 Part Line Overlap Micro Weave 3 Micro Weave same as previous control Table 2 1 Resolution and Printing mode Vertical Printing Paper feed Forward Non Backward Not used direction mode pitch Overlap Overlap Overlap Nozzle dpi inch Nozzle Nozzle Nozzle FOL M W 15 360 46 0 4 415 1431 432 31 32 1 415 a FOL M W 15 720 16 30 4d 415 31 32 360
125. ut Paper Out Black Color Power on condition 9 Inksequence 1 Blik 6 Ink Cartridge change mode Blink 5 Dataprocessing 1 Blink 8 Paper Out Ju ves no 1 02 4 7 Paper jam condition L c Om Of 3 E 7 No Ink cartridge Ink end black No Ink cartridge or Inkend color Inklevellow color Enter EEPROM and Timer IC reset 1 2 4 1 a 1 x Maintenance request 2 Blink 1 Note means no changes 1 23 EPSON Stylus Color 600 1 5 Error Status When following status occur the printer goes to the error status and stops taking data setting the ERROR signal in the interface as Low and Busy signal as High At this time the printer goes to non printable status Refer to section 1 4 2 for more details of LED Panel indicators during the various error status 1 5 1 Ink Out When the printer runs out the most part of the ink of any one color it warns ink low and keeps printing When the printer runs out the whole ink of any one color it stops printing and indicates ink out error User is requested to install a new ink cartridge in this state An ink cartridge once taken out should never be used again Re installation of the cartridge not filled fully upsets the ink level detect
126. wing contents Gate array E05B43 IC2 controls operations of reading data when the power is on and writing data when the power is off Ink consumption Bk CMY CL counter Various cleaning operations that are previously done are memorized Destination information Information of various adjustment values Bi D VH voltage etc CPSI pass word Other various setting values by the user EEPROM is connected to the Gate array by 4 lines and performs following functions The figure below shows EEPROM control circuit O CS Chip selection signal CK Data synchronism clock pulse O DI Data writing line serial data at power off DO Data reading line serial data at power 51 93C46 IC11 1 1307 F05B43 IC2 CS 4 ECS VCC EE um ox DI 3 1287 ORG j EDO DO 2 GND 4 er EDI Bee EEE EEE EE PEEP EE EPPO EP 2 P z P PA 7 P P j P Figure 2 22 EEPROM Circuit Block Diagram Rev A 2 25 EPSON Stylus Color 600 2 2 2 4 Timer Circuit The lithium battery is mounted on the C200 MAIN board and calculates how long the printer is not in used The timer IC IC10 starts counting with oscillation motivated by the CR3 using this battery as a power source The figure below shows connection of the Timer circuit 5V 5 4 2 155 zx NO N kuu
127. y Missing dot Carriage Mechanism Does it moves smoothly LiChecked LINot necessar motion Is there any dirt or scratch with the CR guide shaft Is the CR Motor at the correct temperature Not too hot Paper Feeding Is paper advance smoothly L1Checked L1Not necessary Mechanism No paper jamming No paper skew No multiple feeding No abnormal noise Is the PF Motor at the correct temperature Not too hot obstructions Adjustment correctly Lubrication Specified Point Does all the lubrication made at specified points correct ROM Version Version Latest 1Checked LINot necessar Packing Ink Cartridge Have brand new ink cartridges poems necessary installed correctly materials been attached to the orinter Accessories included in the package Rev A 3 3 EPSON Stylus Color 600 Service Manual 3 2 DISASSEMBLY AND ASSEMBLY This section describes the step by step disassembly procedures shown in the diagram below 3 4 Housing Removal Section 3 2 1 Circuit Boards Removal Section 3 2 2 Control Panel Removal Section 3 2 3 Waste Ink Pad Assembly Removal Section 3 2 4 Printer Mechanism Disassembly 9999999999999999999999999999999999999999999999999 99999993 feccsosccccccccccoccccoccocccceoccocccccccccccoccccocccccce Printhead Removal Section 3 2 5 1 Pump Cap Assembly Removal Section 3 2 5 2 CR Motor Ass
128. y the power of lithium battery mounted on the C200 main board P on cleaning function automatically selects the cleaning level according to the time which the printer is not in used After Eject the paper After Load Eject button is pressed and the paper is ejected if the data is not input the printer performs carriage lock and goes to standby state However if the paper is loaded to the printer inside by Load Eject button the printer does not perform the carriage lock operation Carriage Motor Paper Feed Motor Carriage home position Sensor PF Roller Timing Belt Carriage Unit Front Side y Rear Side Parallelism Adjust Lever WA Eject Roller Paper guide Front Fixing Bush Carriage Guide Shaft Figure 2 8 Carriage Mechanism Top Viewing Rev A 2 9 EPSON Stylus Color 600 2 1 1 2 1 Paper Gap Adjust Mechanism This mechanism can be set by the users and can prevent various problems related to low image density or print with any dirt by changing the positions of PG lever according t
129. zoidal wave form in order to drive PZT is formed in the various shapes according to the types of the printers Therefore it is necessary to form appropriate drive form for each head Head voltage control forms necessary waveform for each control signals and outputs them EEPROM control The correction value to eliminate the error of each printers at the production process is installed in the fixed address of IC When the power is turned off the contents set by users is written instantly and is red to the RAM when the power is turned on E Sensor Data The sensor detects information at the various conditions which is necessary for the printer operation The gate array recognizes signals and changes over to the next control Rev A 2 21 EPSON Stylus Color 600 Es Timer Data The timer IC that uses lithium battery as power source monitors how long the power is off When the power is turned on it is changed to appropriate cleaning level according to the time that the power is off E Serial Data The gate array receives serial data through the transceiver IC B Parallel I F control With the use of IEEE1284 Nibble mode it became possible not only to receive the data from the host but also to return various information which the printer possesses to the host Common Driver IC The trapezoidal wave form circuit for head drive is became to HIC from the previous discreate structure Because of this it is not necessary to adjust the adjust
130. zoidal wave form B Enhanced Nozzle configuration resolution in the vertical direction 90dpi However black nozzle is 2 lines structure Also Stylus Color 600 has Micro dot control as dot shooting control There are total three dot shooting controls on this printer Normal Dot mode Single Firing Normal Dot mode Dual Firing Micro Dot mode Micro Vibration Not printed The control circuit is considered as two divided parts 1 trapezoidal wave form generation circuit common drive circuit to drive PZT in the head and 2 Nozzle selector drive circuit to determine which nozzle should be used The Nozzle Selector is attached to the head unit just like the previous models The common drive circuit is became as HIC and mounted on the C200 main board Common drive circuit 5V 42V F1 H8D2813D IC7 22 Wv C GTC 2 E05B43 CHG 2 CHG 522 2 002 KC1 KC1 DTB 21 2 ND1 2 ND1 CN8 2 ND2 2 ND2 2 2 MD1 20 DATA 2 DATA 2 ISTB 2 ISTB 2 CLK z CLK 2 ej z z Z IEEE Figure 2 24 Print Head Control Circuit Block Diagram The shape of trapezoidal wave form will be different according to the printing operation slight vibrations at the non printing nozzle and waiting condition However IC7 H8D2813 generates all wave forms as drive wave forms by resistance electric welding control of common voltage drive control signal that is output from the

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