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EPSON Stylus C67/C68/D68

Revision A

OPERATING PRINCIPLES

Printer Mechanism

2.2.1 Printhead Specifications

The Printhead of this product is a D2-CHIPS head.

Nozzle configuration

Monochrome 90 nozzles

Color 29 nozzles x 3 (Cyan, Magenta, Yellow)

The following shows the arrangement of the nozzles and the color arrangement of each
nozzle line when viewed the printhead from behind.

Figure 2-2. Nozzle Rear View

2.2.2 Carriage Mechanism

Main components of the carriage mechanism are carriage unit (including printhead,
CR encoder sensor), CR motor, timing belt, and CR scale.

2.2.2.1 CR Motor Specifications

K#90

K#89

K#3

K#2

K#1

C#29

C#1

M#29

M#1

Y#29

Y#3

Y#2

Y#1

2.822mm

(40/360 inch)

0.2117mm

(1/120 inch)

Black

Color

Cyan: 29nozzles

Magenta: 29nozzles

Yellow: 29nozzles

Carriage Moving Direction

Paper Loading Direction

Table 2-1. CR Motor Specifications

Item

Specification

Type

Motor with DC brush

Drive voltage

+42 V

5% (applied voltage to the driver)

Electric resistance

28.4

Ω

10%

Inductance

20.1 mH

25%

Drive method

PWM, constant-current chopping

Drive IC

A6628

Содержание Stylus C67

Страница 1: ...EPSONStylusC67 C68 D68 Color Inkjet Printer SEIJI05 003 SERVICE MANUAL ...

Страница 2: ...f this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above not withstanding SEIKO EPSON CORPORATION 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 purpose only and may ...

Страница 3: ...ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS 4 WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES WARNING 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE LISTED ON THE SERIAL NUMBER RATING PLATE IF THE EPSON PRO...

Страница 4: ...Diagram Parts List Circuit Diagrams Symbols Used in this Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action Be aware of all symbols when they are used and always read NOTE CAUTION or WARNING messages Indicates an operating or maintenance procedure practice or condi...

Страница 5: ...Revision Status Revision Date of Issue Description A Aug 1 2005 First Release ...

Страница 6: ...l Functions 14 1 3 3 Printer Condition and LED Status 15 1 3 4 Errors 15 1 4 Paper 16 1 4 1 Paper Support 16 1 5 Ink Cartridge 21 1 5 1 Ink Cartridge Specification 21 Chapter 2 OPERATING PRINCIPLES 2 1 Overview 23 2 2 Printer Mechanism 23 2 2 1 Printhead Specifications 24 2 2 2 Carriage Mechanism 24 2 2 3 Paper Feeding Mechanism 25 2 2 4 Ink System Mechanism 26 2 3 Electrical Circuit Operating Pri...

Страница 7: ...eplacement Part Based Adjustment Priorities 80 5 2 Adjustment by Using Adjustment Program 82 5 2 1 Market ID Setting 82 5 2 2 USB ID Input 82 5 2 3 Head ID Input 82 5 2 4 Head Angular Adjustment 83 5 2 5 Bi D Adjustment 83 5 2 6 PF Adjustment 84 5 2 7 First Dot Adjustment 84 5 2 8 Top Margin Adjustment 85 5 2 9 Offset input for CR Motor Calorific Limitation 85 5 2 10 A4 Normal Paper print 86 5 2 1...

Страница 8: ...Y C H A P T E R 1 PRODUCTDESCRIPTION ...

Страница 9: ...us C67 C68 D68 are High color print quality 2880 H x 1440 V dpi printing Max resolution 4 color printing YMCK Built in auto sheet feeder Holds 120 cut sheets 90 g m2 Holds 10 envelopes Built in 1 I F USB 1 1 Windows Macintosh exclusive Borderfree Separate ink cartridge for each color Figure 1 1 Product Appearance ...

Страница 10: ...C P2 expanded raster graphics code EPSON Remote command Character tables none ASCII 20H to 7FH code support Internal fonts Bit map LQ font EPSON Courier 10 CPI Table 1 1 Character Mode Character Pitch Printable Columns CR Speed 10 CPI Pitch 80 digits 419 1 mm s 165 CPS Table 1 2 Raster Graphics Mode Horizontal resolution Printable area Available dot Dot size CR speed 360 dpi 209 8 mm 8 26 inch 297...

Страница 11: ...age range AC90 132 V Rated frequency range 50 60 Hz Input frequency range 49 5 60 5 Hz Rated current 0 4 A max 0 7 A Power consumption ISO10561 Letter Pattern 11W Sleep Mode 2 0 W Power Off Mode 0 3 W Dielectric strength AC 3000 Vrms for one minute between AC line and chassis 220 240 V version Rated voltage AC220 240 V Input voltage range AC198 264 V Rated frequency range 50 60 Hz Input frequency ...

Страница 12: ...2 class B AS NZS CISPR 22 class B Table 1 3 Environmental Condition Operating Non operating Temperature 1 10 35 C 2 20 40 C Humidity 20 80 5 85 Resistance to shock 1 G within 1 ms 2 G within 2 ms Resistance to vibration 0 15 G 0 50 G C A U T I O N Printhead must be capped during storage When transporting the printer make sure that the printhead is capped and the ink cartridges are installed in the...

Страница 13: ...orted OS Windows NT4 0 95 98 ME 2000 XP Printing mode Plain Paper Text Mode 360 dpi Operating procedure 1 User carries out printing from an application 2 The printer driver checks both the printing mode and the amount of remaining ink and displays the specific window if the conditions described below are all satisfied Selected printing mode supports black ink save mode Remaining amount of black in...

Страница 14: ...LED Power LED Ink LED Table 1 4 Panel Functions Switch Function Paper Loads or ejects paper In the condition of printing cancel the print job Ink Starts the ink cartridge change sequence Moves the carriage to cartridge change position In the condition of Ink Low Ink Out or No Ink Cartridge moves the carriage to the ink check position When the carriage is on the ink check position moves carriage to...

Страница 15: ...ble 1 7 Error Status Error Description 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 Paper out When printer fails to load a sheet it goes paper out error Paper jam When...

Страница 16: ...here is no winkle nap tear fold and so on in the form The curve of form must be five mm or below Table 1 9 Envelopes Paper type Dimensions mm Weight Quality Width Length 10 1 104 8 241 3 75 90g m2 bond paper PPC paper air mail DL 1 110 220 C6 1 114 162 C A U T I O N Use paper under normal conditions Temperature 15 to 25 C 59 to 77 F Humidity 40 to 60 RH It is necessary that there is no winkle nap ...

Страница 17: ...Matte Paper Heavyweight Letter 215 9 279 4 0 23 167 OK NG NG A4 210 297 NG OK OK Double Sided Matte Paper Letter 215 9 279 4 0 25 178 OK NG NG A4 210 297 NG OK OK Economy Photo Paper A4 210 297 0 23 188 NG NG OK Photo Quality Ink Jet Paper Letter 215 9 279 4 0 12 102 OK NG NG A4 210 297 OK OK OK Glossy Photo Paper Letter 215 9 279 4 0 23 188 OK NG NG 10 x 15 101 6 152 4 OK NG NG Premium Glossy Pho...

Страница 18: ... printing may scramble Figure 1 5 Printable Area Cut Sheet Standard Printing Table 1 11 Applicable Paper Printing Area Paper type LM RM TM BM Cut Sheet A4 3mm 3mm 3mm 12 5mm 3mm 1 A5 A6 B5 Half Letter Letter Legal User defined Exclusive papers Premium Ink Jet Plain Paper Bright White Ink Jet Paper Photo Paper Premium Glossy Photo Paper Premium Semigloss Photo Paper Matte Paper Heavyweight Double S...

Страница 19: ...es Printable area For paper width PW and paper length PL refer to 1 4 1 Paper Support p16 Figure 1 6 Printable Area for Envelopes Table 1 12 Applicable Paper Printing Area Paper type LM RM TM BM 10 3mm 3mm 3mm 20mm DL C6 Printable area LM Paper Feed Direction RM PW TM BM PL ...

Страница 20: ...4 2 54 2 96 4 02 5 x 7 2 54 2 54 2 96 4 02 10 x 15 2 54 2 54 2 82 3 60 3R 2 54 2 54 2 82 3 60 Premium Semigloss Photo Paper Letter 2 54 2 54 2 96 4 02 A4 2 54 2 54 2 96 4 02 10 x 15 2 54 2 54 2 82 3 60 Matte Paper Heavyweight Letter 2 54 2 54 2 96 4 02 A4 2 54 2 54 2 96 4 02 Double Sided Matte Paper Letter 2 54 2 54 2 96 4 02 A4 2 54 2 54 2 96 4 02 Economy Photo Paper A4 2 54 2 54 2 96 4 02 Glossy...

Страница 21: ...14 Ink Cartridge Color Size Stylus C67 Stylus C68 Stylus D68 Black SS Size T0631 T0611 S Size T0621 T0601 Cyan SS Size T0632 T0612 S Size T0602 Magenta SS Size T0633 T0613 S Size T0603 Yellow SS Size T0634 T0614 S Size T0604 Table 1 15 Storage Temperature Situation Storage temperature Limit When transported in individual boxes 30 C 50 C 10 days max at 50 C When stored in individual boxes 30 C 40 C...

Страница 22: ...Y C H A P T E R 2 OPERATINGPRINCIPLES ...

Страница 23: ...s C67 C68 D68 has two DC motors one is for paper loading feeding mechanism and the other is for carriage mechanism Papers are fed from the backside and ejected from the front side of the printer Paper feeding mechanism which is also similar to conventional models feeds papers using the LD roller and the retard roller Figure 2 1 Printer Mechanism Outline PF motor Carriage unit CR motor Pump unit Cl...

Страница 24: ...Mechanism Main components of the carriage mechanism are carriage unit including printhead CR encoder sensor CR motor timing belt and CR scale 2 2 2 1 CR Motor Specifications K 90 K 89 K 3 K 2 K 1 C 29 C 1 M 29 M 1 Y 29 Y 3 Y 2 Y 1 2 822mm 40 360 inch 0 2117mm 1 120 inch Black Color Cyan 29nozzles Magenta 29nozzles Yellow 29nozzles Carriage Moving Direction Paper Loading Direction Table 2 1 CR Moto...

Страница 25: ...tch is released by the PF motor lever 4 After the clutch is released the PF motor rotates clockwise Drive is transmitted to the LD roller and the paper loading operation begins 5 During paper loading operation papers are fed from the ASF unit to inside the printer by the rotating movement of the two cams of the LD roller Cam large releases hopper Cam small releases paper back lever 6 Once a sheet ...

Страница 26: ...asing viscosity when the printer is in stand by state or when the printer is off 2 3 Electrical Circuit Operating Principles The electric circuit of the Stylus C67 C68 D68 consists of the following boards Main board C616 MAIN Board Power supply board C616 PSB PSB board Panel board C616 PNL board This section provides block diagram of both C616 MAIN Board and C616 PSB PSE Board C616 PNL board Figur...

Страница 27: ...on of the primary circuit 42VDC is generated and stabilized at the secondary circuit 2 3 2 C616 Main Board The logic circuit of the C616 Main Board is composed of the following Logic line CPU ASIC 2 in 1 Flash ROM and so on Motor control drive circuit CR Motor PF Motor Head control drive circuit Sensor circuit Reset circuit EEPROM circuit Figure 2 4 C616 Main Board Block Diagram Table 2 4 C616 MAI...

Страница 28: ...C H A P T E R 3 TROUBLESHOOTING ...

Страница 29: ...on There is no error in handling of the printer Check the inside of the printer and remove foreign matters if any such as paper clips staples bits of paper paper dust or toner Clean the inside of the printer and the rubber rolls W A R N I N G Be careful to avoid electric shocks when checking the electrical circuit boards C616 MAIN PSE and B circuit boards while the power is turned on Touching an F...

Страница 30: ... with a genuine one yPaper Out On Paper loading operation is executed when there is no paper Papers stopped before the PE Snesor or could not be fed Papers are fed without being placed against the right edge guide Connector of the PE sensor is disconnected 1 If there is no paper on the paper tray load papers 2 If the paper has stopped halfway remove the paper check if the paper is not bent fan the...

Страница 31: ...reset the waste ink counter protection counter A using the adjustment program Refer to Chapter5 ADJUSTMENT p 76 for details Fatal error Off Flashes on high speed Flashes on high speed Home position of the carriage could not be detected Abnormal external pressure is applied to the printer when the power is on Carriage movement is interfered during printing 1 Turn the power off wait for a few second...

Страница 32: ...coder Abnormality Error CR Driving Time Over Error One pass movement cannot be completed though the CR motor has been driving longer than the specified time Load Positioning Overspeed Error Abnormal carriage movement speed is detected during load positioning control Load Positioning Lock Error It is detected that the carriage has been locked for a certain period of time during load positioning con...

Страница 33: ...ted below and replace them as necessary CR Motor CR Encoder CR Encoder Scale Timing Belt Main Board Between Left Frame and TF Shock Detection Error Between TF and HOME Shock Detection Error Motor Driving Time Error PF Driving Time Over Error Paper feed cannot be completed though the PF motor has been driving longer than the specified time Check the parts listed below and replace them as necessary ...

Страница 34: ...and Check Points Motor name Type Location Check point Resistance CR motor Motor with DC brush CN5 Pin 1 2 28 4 Ω 10 PF motor 4 phase 200 pole HB stepping motor CN6 Pin 1 3 Pin 2 4 3 0 Ω 10 Table 3 3 Sensor Check Sensor name Detecting system Location Signal level Sensor status PE sensor Transmission photo interrupter CN9 pin 1 2 2 4 V or more Paper loaded 0 4 V or less No paper ...

Страница 35: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...

Страница 36: ...dling WARNING and CAUTION in the following columns when disassembling or assembling EPSON Stylus C67 C68 D68 W A R N I N G Disconnect the power cable before disassembling or assembling the printer If you need to work on the printer with power applied strictly follow the instructions in this manual Always wear gloves for disassembly and reassembly to avoid injury from sharp metal edges To protect s...

Страница 37: ...SON 1080532 Flathead screwdriver EPSON 1080527 Tweezer EPSON 1080561 Hex wrench T B D T B D T B D Table 4 2 Screws No Image Name Type 1 C B S 3 x 6 C B S TITE SCREW 2 C B S 3 x 8 C B P TITE SCREW 3 C B S 3 x 14 C B S TITE SCREW 4 C B S P4 3 x 6 C B P TITE P4 SCREW 5 C B P 2 5 x 8 C B S TITE SCREW 6 C B P 3 x 8 C B P TITE SCREW 7 C B P 3 x 10 C B P TITE SCREW 8 C B P P2 3 x 8 C B P TITE P2 SCREW 9 ...

Страница 38: ...Not too hot to touch Checked Not necessary Paper Feeding MEchanism Is paper advanced smoothly No paper jamming No paper skew No multiple feeding No abnormal noise Checked Not necessary Is the PF Motor at correct temperature Checked Not necessary Is the paper path free of any obstructions Checked Not necessary Adjustment Specified Adjustment Are all the adjustment done correctly Checked Not necessa...

Страница 39: ...anism is based on Housing Lower Service treatment Confirm that there is no gap between main frame and Housing Lower Reference To ensure the assembled accuracy you have to control the assembled standard position of main frame against X Y Z axis direction X axis direction Make sure that main frame is correctly placed on the groove of Housing Lower Make sure that there is no gap between main frame an...

Страница 40: ... Handle Front frame in assembling disassembling carefully 3 IC holder a Handling of IC holder Reason If IC holder is damaged in assembling disassembling of your repair there is a possibility that vital problem occurs in user s further operation Service treatment Released two hooks of IC holder from the inside of IC holder by the tweezer How to ensure of quality on re assembled product We judge tha...

Страница 41: ...agrams in the Appendix When disassembling each unit refer to the pages described in the chart below Figure 4 1 Disassembling Flowchart 1 Housing Upper 4 3 1 1 p 43 START Stacker Assy 4 3 1 2 p 44 ASF Unit 4 3 1 3 p 44 Hopper RetardRoller Unit 4 3 1 4 p 45 Main Board 4 3 2 1 p 52 Panel Board 4 3 2 2 p 54 PS Board 4 3 2 3 p 55 CR Timing Belt 4 3 3 5 p 60 CR Motor 4 3 3 6 p 61 Front Frame 4 3 3 7 p 6...

Страница 42: ... p 62 CR Encoder Scale 4 3 3 8 p 63 CR Cable Head Cover 4 3 3 9 p 64 CR Unit 4 3 3 10 p 64 Printhead Assy 4 3 3 11 p 67 CR Encoder Sensor Board 4 3 3 12 p 68 CSIC Board 4 3 3 12 p 68 PS Board 4 3 2 3 p 55 Stacker Assy 4 3 1 2 p 44 Paper Guide Front Assy 4 3 3 16 p 72 Housing Lower Assy 4 3 1 5 p 47 Waste Ink Pad 4 3 1 6 p 51 PF Motor 4 3 3 18 p 75 Holder Shaft Unit 4 3 3 2 p 56 Pump Unit Cap Unit ...

Страница 43: ...ease the tabs 3 Open the Stacker Assy See 4 3 1 2 Removing Stacker Assy Step 2 4 Having your hands on the grooves of the Housing Lower press the parts toward the direction of the arrows a shown in Figure 4 3 and remove the Housing Upper Figure 4 3 Removing Housing Upper C A U T I O N Do not damage the tabs in removing the Housings Do not tilt the printer too much when removing the Housings because...

Страница 44: ...l release the shaft from the slot of the Housing Lower and remove the Stacker Assy Figure 4 4 Removing Stacker Assy 4 3 1 3 ASF Unit 1 Remove the Housing Upper p43 2 Open the Stacker Assy See 4 3 1 2 Removing Stacker Assy Step 2 3 Remove the three screws that secure the ASF Unit to the main unit and remove the ASF unit C B S 3 x 6 1 C B S P4 3 x 6 1 C B P 3 x 8 1 Figure 4 5 Removing ASF Unit Shaft...

Страница 45: ...h the shaft of the ASF Unit with the bearing of the Pump Unit 3 Secure the screws in the order shown in Figure 4 5 Figure 4 6 Installing ASF Unit A D J U S T M E N T R E Q U I R E D When you replace the ASF unit with a new one lubricate it as specified See 6 1 3 Lubrication p92 for details When ASF unit is removed or replaced with new one the following adjustment must be performed in the order bel...

Страница 46: ... installing the Retard Roller or the Paper Back Lever attach the two springs as described below Extension Spring 0 585 Attach the spring to the tab of the ASF Frame and the one of the Paper Back Lever Compression Spring 1 88 Attach the spring to the boss of the ASF Frame and the one of the Retard Roller Unit Figure 4 9 Attaching the Springs When installing the spring between the Hopper and the ASF...

Страница 47: ...wo rubber feet located on the PF Motor side Figure 4 11 Removing Rubber Feet 6 Remove the Waste Ink Tube from the Waste Ink Pad Figure 4 12 Removing Waste Ink Tube 7 Remove the Cap Unit from the two guide pins of the Housing Lower Assy Figure 4 13 Removing Cap Unit C A U T I O N Do not remove the Housing Lower Assy more than is necessary Bottom Face Rubber Feet C A U T I O N When removing the Wast...

Страница 48: ...ing Housing Lower Assy 1 9 Release the two tabs on the PF Motor side of the Housing Lower assy and remove the Housing Lower Assy Figure 4 15 Removing Housing Lower Assy 2 C B P P2 3 x 8 4 C B P 3 x 8 1 2 3 C A U T I O N When performing the following work be sure to hold the places indicated with dotted circles to avoid deformation of the Main Unit Frame PF Motor Assy Tab Holding Position Housing L...

Страница 49: ...in frame and Housing Lower Y axis direction Make sure that cut out portion of main frame is correctly placed on the square protrusion of Housing Lower Figure 4 16 X and Y axis Assembled Standard Position X axis Assembled Standard Position Y axis Assembled Standard Position Z axis direction Make sure that there is no gap between main frame and Housing Lower Make sure that the left side of Printer M...

Страница 50: ... Cap Unit route the Waste Ink Tube as shown below and place it under the protective sheet Figure 4 19 Routing Waste Ink Tube When installing the Main Frame to the Housing Lower Assy secure the screws as shown in Figure 4 14 Ink Tube Bosses Tab Waste Ink Tube Protective Sheet A D J U S T M E N T R E Q U I R E D When Housing Lower is removed or replaced with new one the following adjustment must be ...

Страница 51: ...r Assy p47 2 Remove the eight Waste Ink Pad and the protective sheet from the Housing Lower Figure 4 20 Removing Waste Ink Pad Waste Ink Pad Attach the Waste Ink Pads correctly with reference to Figure 4 21 Figure 4 21 Attaching Waste Ink Pads 1 2 3 4 5 1 2 3 Installation Order Installation Order Double sided Tape Attachment Areas ...

Страница 52: ...44 2 Remove the Clump Core from the Main Unit Figure 4 22 Removing Clump Core 3 Disconnect all the connectors from the Main Board CN2 Power Supply Cable CN4 Panel Board Connector CN5 CR Motor Connector CN6 PF Motor Connector CN7 CR Encoder FFC CN8 Head FFC CN9 PF Sensor Cable Figure 4 23 Removing Main Board 1 Clump Core CN8 CN7 CN9 CN5 CN4 CN6 CN2 ...

Страница 53: ...rd 2 5 Remove the Main Board Cover from the Main Board Unit Figure 4 25 Removing Main Board 3 C B S 3 x 14 Main Board Unit 1 2 3 4 C B S 3 x 6 When installing the Main Board Unit to the Main Unit Secure the screws in the order shown in Figure 4 24 When attaching the Clump Core pay attention not to confuse left and right The side with two portions should be facing to the left Figure 4 26 Attaching ...

Страница 54: ...nter 3 Head ID Input 4 Bi D Adjustment 5 Top Margin Adjustment 6 First Dot Adjustment 7 USB ID Input 8 Market ID Setting 9 Head Angular Adjustment 10 PF Adjustment 11 CR motor drive torque dispersion measurement If the read out operation is not able to succeed by adjustment program from defective main board perform the following service items after replacing main board with new one 1 Replace the W...

Страница 55: ...s that secure the PS Board to the PS Board Frame Lower and remove the PS Board C B S 3 x 6 4 Figure 4 31 Removing PS Board 1 2 3 C B P 3 x 10 6 1 kgf cm C B S 3 x 6 8 1 kgf cm C B P 3 x 10 6 1 kgf cm PS Board Unit Tab Tab PS Board Frame Upper When installing the PS Board to the PS Board Frame Lower secure the screws in the order shown in Figure 4 31 When installing PS Board Unit to the Main Unit s...

Страница 56: ...Panel Board p54 4 Remove the PS Board p55 5 Remove the Housing Lower Assy p47 4 3 3 2 Holder Shaft Unit 1 Remove the Panel Board p54 2 Remove the Clump Core from the Main Unit See 4 3 2 1 Removing Main Board Step 2 3 Press down the CR Lock Lever toward the direction of the arrow and move the CR unit to the other side of the home position Figure 4 32 Moving CR Unit C A U T I O N When handling the P...

Страница 57: ...nit 6 Disconnect the CR Motor Cable from the Holder Shaft Unit Figure 4 33 Removing Holder Shaft Unit 1 7 Slide the concave portion of the Pump Unit toward the direction of the arrow and release the convex portion of the Holder Shaft Unit Figure 4 34 Removing Holder Shaft Unit 2 8 Releasing two tab As that secure the Holder Shaft Unit to the Main Unit Remove the Holder Shaft Unit upward Figure 4 3...

Страница 58: ...n installing the CR Motor Cable to the Holder Shaft Unit be sure to route the cable as shown below Figure 4 36 Routing CR Motor Cable A D J U S T M E N T R E Q U I R E D When Holder shaft unit is removing or replacing Holder shaft Unit with new one the following adjustment must be performed in the order below 1 Top Margin Adjustment 2 First Dot Adjustment Notch Tab CR Motor Cable Holder Shaft Unit...

Страница 59: ...oard 4 Release the shaft of the PE Detection Lever from the bearings of the Holder Shaft Frame and remove Torsion Spring 0 22 from the PE Detection Lever 5 Release the Idle Roller from the bearings of the Holder Shaft Frame Figure 4 39 Removing PE Sensor Board PE Detection Lever Idle Roller The LD Roller Shaft Unit should be reassemble as shown below Figure 4 38 Assembling LD Roller Shaft Unit Ext...

Страница 60: ...ou and remove the belt from the Drive Pulley Holder Figure 4 42 Removing CR Timing Belt 5 Remove the CR Unit p64 When installing the PE Detection Lever attach Torsion Spring 0 22 as shown below Figure 4 40 Attaching Torsion Spring 0 22 When installing the PE Sensor Cable to the Holder Shaft Frame route the cable as shown below Figure 4 41 Routing PE Sensor Cable Torsion Spring 0 22 Tab Notch Holde...

Страница 61: ... 4 4 1 kgf cm CR Motor When installing the CR Motor follow the steps described below 1 Positioning hole of the CR Motor should be on the downside Figure 4 44 Installing CR Motor 2 Secure the screws in the order shown in Figure 4 43 3 When installing the CR Motor Cable to the Holder Shaft Unit route the cable as shown in Figure 4 36 A D J U S T M E N T R E Q U I R E D When CR timing belt is removed...

Страница 62: ...ng Front Frame Front Frame CR Unit C B S 3 x 6 8 1 kgf cm 1 Positioning Hole and Rib Front Frame Stopper C B S 3 x 6 8 1 kgf cm 2 Front Frame Stopper Positioning Hole and Rib Match the positioning hole with the rib as shown in Figure 4 45 when installing the Front Frame Secure the screws in the order shown in Figure 4 45 A D J U S T M E N T R E Q U I R E D When you replace Front frame with new one...

Страница 63: ...e CR Unit Figure 4 47 Removing CR Encoder Scale 2 5 Release Extension Spring 1 494 on the left side of the CR Encoder Scale from the tab of the Main Unit turn the CR Encoder Sensor 90 degrees as shown in the figure and remove the CR Encoder sensor Figure 4 48 Removing CR Encoder Scale 3 Slit and Tab CR Encoder Scale CR Encoder Scale CR Unit When installing the CR Encoder Scale place the scale so t...

Страница 64: ...ove the Panel Board p54 2 Remove the Front Frame p62 3 Disconnect the two connectors from the Main Board 4 3 2 1 Removing Main Board Step 1 through Step 3 CN7 CR Encoder FFC CN8 Head FFC 4 Disconnect the CR Encoder FFC and the Head FFC from the Holder Shaft Unit See 4 3 3 2 Removing Holder Shaft Unit Step 5 5 Disconnect the CR Timing Belt 4 3 3 5 Removing CR Timing Belt Step 3 through Step 4 6 Rem...

Страница 65: ...ving FFC 12 Release the two tabs of the IC Holder slide the holder toward you and remove both the CR Unit and the CR Timing Belt from the Main Unit Figure 4 53 Removing CR Unit 1 13 Remove the CR Timing Belt from the CR Unit Figure 4 54 Removing CR Unit 2 Shield Plate FFC Double sided tape attaching location Rear CN1 CR Encoder Sensor Board Notches CSIC Board CSICFFC CR Encoder FFC C A U T I O N M...

Страница 66: ... Pulley driven shaft or Pulley driven holder with new a one lubricate it as specified See 6 1 3 Lubrication p92 for details When IC holder PW sensor CR encoder sensor is removed or replaced with new one the following adjustment must be performed in the order below 1 Top Margin Adjustment 2 PF Adjustment 3 Bi D Adjustment 4 Head Angular Adjustment 5 First Dot Adjustment 6 Offset input for CR Motor ...

Страница 67: ...3 Turn the Printhead Assy toward the direction of the arrow and remove the Printhead Assy Figure 4 57 Removing Printhead Assy 1 4 Remove the Head FFC from the Printhead Assy Figure 4 58 Removing Printhead Assy 2 C H E C K P O I N T Before starting the following work make sure that the two tabs shown in Figure 4 53 are already released Printhead Assy Tab and Notch IC Holder Printhead Cover Head FFC...

Страница 68: ... the CR Encoder Sensor Board to the IC Holder and remove the CR Encoder Sensor Board C P B P1 1 7 x 5 2 Figure 4 60 Removing CR Encoder Sensor Board When installing the Printhead Assy to the IC Holder match the tabs with the notches and tilt the Printhead as shown below Figure 4 59 Installing Printhead Assy Tab and Notch Tab and Notch C P B P1 1 7 x 5 CR Encoder Sensor Board ...

Страница 69: ...the IC Holder Cover to the IC Holder release the tab and remove the IC Holder Cover C B P 2 5 x 8 2 Figure 4 61 Removing IC Holder Cover 3 Insert a flathead screwdriver or a similar tool into the six A sections located on bottom of the IC Holder and remove the CSIC Board Figure 4 62 Removing CSIC Board Tab IC Holder Cover C B P 2 5 x 8 CSIC Board Bottom A Sections ...

Страница 70: ...he Housing Upper p43 2 Remove the Front Frame p62 3 Move the CR Unit to the home position See 4 3 3 2 Removing Holder Shaft Unit Step 3 4 Remove the PF Timing Belt from the PF Drive Pulley 5 Remove the Eject Drive Pulley from the Eject Roller Figure 4 64 Removing Eject Drive Pulley A D J U S T M E N T R E Q U I R E D When Paper guide upper is removed or replaced with new one the following adjustme...

Страница 71: ... match the notch of the Eject Drive Pulley with the tab of the Eject roller as shown below Figure 4 66 Installing Eject Drive Pulley Tabs Eject Roller Eject Drive Pulley Tab Notch A D J U S T M E N T R E Q U I R E D When you replace Paper eject roller with new one lubricate it aws specified See 6 1 3 Lubrication p92 for details When Paper eject roller is removed or replaced with new one the follow...

Страница 72: ...Assy slide it toward right and remove the Paper Guide Front Assy Figure 4 69 Removing Paper Guide Front Assy C A U T I O N Never touch the rib on the Paper Guide Front Assy Figure 4 67 Rib on Paper Guide Front Assy Be careful not to bent the four Paper Guide Front Absorbent Protections Figure 4 68 Paper Guide Front Absorbent Protections Rib Paper Guide Front Assy Paper Guide Front Absorbent Protec...

Страница 73: ...both the Pump Unit and the Cap Unit Figure 4 70 Removing Pump Unit Cap Unit 1 A D J U S T M E N T R E Q U I R E D When Paper guide front is removed or replaced with new one the following adjustment must be performed in the order below 1 Top Margin Adjustment 2 PF Adjustment 3 Bi D Adjustment 4 Head Angular Adjustment 5 First Dot Adjustment C A U T I O N When removing the Pump Unit and the Cap Unit...

Страница 74: ...nit Pump Unit Ink Tube Joint Compound Gear 21 24 Compound Gear 27 2 19 2 Spool Gear 27 2 CR Lock Lever A D J U S T M E N T R E Q U I R E D When you replace Pump Unit Cap Unit with new one lubricate it as specified See 6 1 3 Lubrication p92 for details When Pump Unit Cap Unit is removed or replaced with new one the following adjustment must be performed in the order below 1 Top Margin Adjustment 2 ...

Страница 75: ...move Compression Spring 1 53 and remove the PF Motor Figure 4 75 Removing PF Motor 3 Idle Roller Assy PF Timing Belt Compression Spring 1 13 HEXAGON NAT NORMAL M3 6 1 kgf cm 1 3 2 4 When installing the PF Motor make sure to attach Compression Spring 1 53 to the part shown in Figure 4 75 When installing the PF Motor secure the hexagon nuts in the order shown in Figure 4 74 A D J U S T M E N T R E Q...

Страница 76: ...C H A P T E R 5 ADJUSTMENT ...

Страница 77: ...is made to write the maximum offset to prevent the occurrence of damage to the motor at the time of CR motor heat generation Select and execute this function in the exclusive servicing program to save the offset into the EEPROM Exclusiveservicing program Non target Head angular adjustment This adjustment is made to correct the error in the Head mounting position angle of the Head to the paper surf...

Страница 78: ... servicing program Non target Ink Charge This function is used to drain the Shipping Liquid in the ASP head flow path and simultaneously fill ink in the head flow path to make all nozzles printable and stabilize the ink in the Head Select this function in the exclusive servicing program and execute the ink sucking operation equivalent to the initial charge Exclusive servicing program Non target Wa...

Страница 79: ... print patterns and check the adjustment result in each pattern Exclusive servicing program PhotoQualityInk Jet Paper A4 A4 Normal Paper print This pattern is used to check whether all adjustment results are normal Select this function in the exclusive servicing program print the print patterns and check the adjustment result in each pattern Exclusive servicing program Plain paper A4 Nozzle check ...

Страница 80: ...plicable Paper guide upper replacement applicable applicable Frame front only removal applicable applicable applicable Frame front only replacement applicable applicable applicable I C holder removal applicable applicable applicable applicable applicable I C holder replacement applicable applicable applicable applicable applicable Print Head assy removal applicable applicable applicable applicable...

Страница 81: ...licable Paper eject roller replacement applicable PS board removal PS board replacement applicable Paper guide front removal applicable applicable applicable applicable applicable Paper guide front replacement applicable applicable applicable applicable applicable PF motor removal applicable applicable PF motor replacement applicable applicable Waste ink pad removal Waste ink pad replacement appli...

Страница 82: ... torque check pattern print 5 2 1 Market ID Setting Adjustment Procedure 1 Select the Market ID of the adjustment program 2 Click the OK button to write the specific data into EEPROM 3 Click the Check button to check market and model name 5 2 2 USB ID Input Adjustment Procedure 1 Select USB ID input in the adjustment program 2 Enter the 10 digits serial number from the label applied to the bottom ...

Страница 83: ...tment in the adjustment program 2 Click the Print button to print Bi D adjustment pattern of checked items 3 Select the pattern that has the smallest displacements in each variable dot and click the Go to print page button in the adjustment program 4 Click the Input button to write the adjustment value of checked items 5 Click Go to print page Treatment procedure for NG product Step1 Replace the p...

Страница 84: ...arts during disassembly Figure 5 3 PF Adjustment Pattern 5 2 7 First Dot Adjustment Adjustment Procedure 1 Select First Dot adjustment in the adjustment program 2 Click the Print button to print First Dot adjustment pattern 3 Determine the adjustment value in the shifting direction for the pattern printed on the left margin Input can be made in 0 0176mm increments for the adjustment value of 1 4 C...

Страница 85: ...utton to write the adjustment value of checked items Treatment procedure for NG product Step1 Replace the repaired replaced part with new one Step2 Print the check pattern and check the adjustment result Step3 If the result is NG level confirm the installation condition of removed parts during disassembly Figure 5 5 Top Margin Pattern 5 2 9 Offset input for CR Motor Calorific Limitation Adjustment...

Страница 86: ... Print Pattern Judging Standard PW Sensor adjustment Top Bottom 5 0 0 5 1 0mm Right Left 5 0 0 3 1 0mm Beta pattern No uneven printing white line Vertical alignment No thin dot or thick dot vertical alignment Horizontal alignment No displacement between the vertical rules of each VSD Judging Standard Bi D adjustment Make sure that X is the best pattern of the three Top Margin adjustment 3 1mm from...

Страница 87: ... is used to check wthether parts driven with PF motor operates normally when the following parts is exchanged Ink System Frame Front Peper Eject Roller PF motor Treatment procedure for NG product Step1 Replace the repaired replaced part with new one Step2 Print the check pattern and check the adjustment result Step3 If the result is NG level please exchange the mecha unit Step4 Perform step2 again...

Страница 88: ...een the surface of the sensor cable on the timing belt is 10 5mm 5 Push the upside of the timing belt with the tail plastic of ballpoint pen plastic tweezers and check the timing belt tension on display of Digital Tension Gauge 6 Check the result of tension value on the display Treatment for NG product Step1 Replace the CR timing belt with new one again Step2 Check the adjustment result again Step...

Страница 89: ...C H A P T E R 6 MAINTENANCE ...

Страница 90: ...e control panel operation confirm that the printer is in stand by state the Power LED is lighting and hold down the Error reset button on the control panel for more than 3 seconds Then the printer starts the cleaning sequence the Power LED blinks during this sequence In case that you select and perform the manual cleaning by the printer driver utility the most appropriate cleaning mode is selected...

Страница 91: ...nter into the EEPROM on the Main board Due to this when the waste ink max counter has reached the limit of the absorbing capability of the Waste drain ink pad the Maintenance call error is indicated on Status monitor 3 as following figure But waste ink max counter is chenged by usage therefore waste ink max counter is not necessarily right The range of the waste ink counter is 8100 16900 means ini...

Страница 92: ...ront Frame C A U T I O N Never use oil or grease other than those specified in this manual Use of different types of oil or grease may damage the component or give bad influence on the printer function Never apply larger amount of grease than specified in this manual C H E C K P O I N T G 58 G 26 G 71is already on the printer mechanism for service part in the manufactory Type Name EPSON code Suppl...

Страница 93: ...t point between Roller Guide and Roller Unit Lubrication Type G 58 Lubrication Amount φ1 mm x 4 points Remarks Use a injector to apply G 58 moust not be adhered to other parts Main Frame Rear side view Roller Guide Upper side view Roller Unit PrintHead Bottom side view Lubrication Point Back side slit of I C Holder Lubrication Type G 71 Lubrication Point φ 3mm x 3mmφ Remarks G 58 moust not be adhe...

Страница 94: ...Roller Unit Lubrication Type G 58 Lubrication Point φ 1 mm x 0 5 mm Remarks Use a brush to apply G 58 moust not be adhered to other parts Lubrication Point U shaped part for the Idle roller assy Lubrication Point G 58 Lubrication Amount U shaped part φ 1 mm x 2 points Remarks G 58 must not be adhered to other parts such as pinion face of the PF Motor or the Timing Belt PF Roller Unit PF Grounding ...

Страница 95: ...C H A P T E R 7 APPENDIX ...

Страница 96: ...EPSON Stylus C67 C68 D68 Revision A APPENDIX Exploded Diagram 96 7 1 Exploded Diagram The exploded diagram of this product are shown on the following pages ...

Страница 97: ...Rev 01 C616 ACCE 001 EPSON Stylus C67 C68 D68 No 1 400 Without ESP Iinter EURO 104 ...

Страница 98: ...101 105 102 106 100 EPSON Stylus C67 C68 D68 No 2 103 Rev 01 C616 CASE 001 ...

Страница 99: ...Rev 01 C616 ELEC 001 EPSON Stylus C67 C68 D68 No 3 B A 300 200 ...

Страница 100: ...501 EPSON Stylus C67 C68 D68 No 4 505 505 501 513 507 514 509 508 541 510 542 515 504 502 512 503 511 Rev 01 C616 MECH 001 500 ...

Страница 101: ...B 710 709 EPSON Stylus C67 C68 D68 No 5 A Rev 01 C616 MECH 002 707 711 702 714 716 706 704 703 700 701 708 ...

Страница 102: ...OUS PAD CAP LOWER SMALL 512 POROUS PAD TUBE FASTEN 513 HOLDER SHAFT ASSY B 514 FRAME FRONT ASSY 515 POROUS PAD PAPER GUIDE FRONT LOWER 541 SHEET POROUS PAD COVER 542 DIFFUSION SHEET INK EJECT LOWER ASP 700 PRINT HEAD ASSY 701 SCALE CR 702 ASF UNIT 703 GROUNDING PLATE HEAD 704 TORSION SPRING LEVER CARTRIDGE 706 SHIELD PLATE CABLE HEAD ASSY C616 707 BOARD ASSY ENCODER 708 BOARD ASSY PANEL 709 LABEL ...

Страница 103: ...EPSON Stylus C67 C68 D68 Revision A APPENDIX Circuit Diagrams 103 7 3 Circuit Diagrams The control electrical circuit diagrams of this product are shown on the following pages ...

Страница 104: ...Model Stylus C67 C68 D68 Board C616 MAIN Rev B Sheet 1 1 ...

Страница 105: ...Model Stylus C67 C68 D68 Board C616 PNL Rev A Sheet 1 1 ...

Страница 106: ...Model Stylus C67 C68 D68 Board C616 PSB Rev B Sheet 1 1 ...

Страница 107: ...Model Stylus C67 C68 D68 Board C616 PSE Rev A Sheet 1 1 ...

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