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Epson WF-7620 / WF-7610 / WF-7110 Series

Revision B

Confidential

Appendix

Troubleshooting Workflow

12

Figure 1-3. Troubleshooting Workflow (3)

Poor Printing

[Phenomenon]

• Poor printing quality
• Ink stain on paper
• Dot missing
• Paper eject without printing

[Presumable Cause]

• Driver / Panel mis-setting
• Contamination of CR scale
• Contamination of Printhead

Cover

• Printhead damage
• Ink clogging of Printhead
• Contamination on Cap Unit /

Wiper of Ink system Assy

• Ink system Assy damage
• Float of Paper Guide Front

Porous Pad

• Narrow PG
• PE Lever damage
• PE Sensor damage
• PW Sensor damage

[Major Troubleshooting]

• Driver / Panel re-setting
• CR Scale replacement
• Printhead cover cleaning
• Printhead cleaning
• Ink cartridge replacement
• Printhead replacement
• Rubber cleaning of Cap Unit of

Ink system Assy

• Ink system Assy replacement
• Paper Guide Front Porous Pad

re-installation

• PG readjustment
• Printer Mechanism

replacement

• PE Lever replacement
• PE Sensor replacement
• PW Sensor replacement

Poor Paper Loading

[Presumable Cause]

• Use of 3rd party media
• Edge guide mis-setting
• Foreign material
• Part come-off
• Contamination of paper feed

roller (Duplex Unit)

• Cassette Assy damage
• Pickup Roller deterioration,

contamination

• Contamination of PF roller

[Major Troubleshooting]

• Recommendation of EPSON

media

• Edge guide re-setting
• Foreign material removal
• Part re-installation
• PF Roller replacement
• Cassette Assy replacement
• Pickup Roller replacement

Abnormal Noise

[Presumable Cause]

• Foreign material
• Insufficient grease
• Gear damage

[Major Troubleshooting]

• Foreign material removal
• Lubrication of grease
• Gear replacement

ADF failure

[Phenomenon]

• No paper feed
• Double feed
• Paper jam
• Paper skew

[Presumable Cause]

• Wear of Pickup Roller
• Wear of ADF Pad Assy
• Gear damage
• ADF Motor damage
• Contamination of Scanner Glass
• ADF Paper Support Assy

damage

• Foreign material
• ADF Cover Assy damage
• Wear of EJ Roller
• ADF Sensors damage

[Major Troubleshooting]

• ADF Cover Assy replacement
• ADF Pad Assy replacement
• Scanner Glass cleaning
• ADF Paper Support Assy

replacement

• Foreign material removal
• ADF Unit replacement

4

5

Problems related to print result or during printing

Scanning cannot be
performed
successfully

Scanner failure

[Presumable Cause]

• Contamination of Scanner

Glass

• Contamination of Document

Pad

• CIS Unit bonding failure
• CIS Unit damage
• Scanner Motor damage

[Major Troubleshooting]

• Scanner Glass cleaning
• Document Pad cleaning
• Document Pad replacement
• CIS Unit replacement
• Scanner Motor replacement

6

ADF does not operate
normally

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Содержание WF-7110 Series

Страница 1: ...SERVICE MANUAL CONFIDENTIAL Color Inkjet Printer EpsonWF 7620Series EpsonWF 7610Series EpsonWF 7110Series SEMF13 003 ...

Страница 2: ...EIKO EPSON would greatly appreciate being informed of them The contents of this manual are subject to change without notice 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 Note Other product names used herein are for identification purpose only and ma...

Страница 3: ... to personal injury or damage of the product 1 Repairs on Epson product should be performed only by an Epson certified repair technician 2 No work should be performed on this product by persons unfamiliar with basic safety knowledge required for electrician 3 The power rating of this product is indicated on the serial number rating plate Never connect this product to the power source whose voltage...

Страница 4: ...oller Gears Rollers LCD Scanner Sensor Exterior parts 14 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 15 Apply the specified amount of grease described in this manual 16 Make the specified adjustments when you disassemble the printer 17 When cleaning this product foll...

Страница 5: ...this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action Pay attention to all symbols when they are used and always read explanation thoroughly and follow the instructions Indicates an operating or maintenance procedure practice or condition that if not strictly observed could result in serious injury or loss of ...

Страница 6: ...ue Description A July 26 2013 First Release B April 21 2014 Revise the contents Chapter 1 Made change the description in 1 3 Fatal Error Code List p15 1 4 Status sheet p20 has been added Chapter 3 Made change the description in 3 2 2 2 Preparation p65 ...

Страница 7: ...2 3 1 Housing Part WF 7620 WF 7610 Series 32 2 2 3 2 Housing Part WF 7110 Series 33 2 2 3 3 Printer Mechanism Part 34 2 3 Detailed Disassembly Reassembly Procedure for each Part Unit 38 2 4 Routing FFCs cables 47 Chapter 3 Adjustment 3 1 Required Adjustments 53 3 2 Details of Adjustments 61 3 2 1 PF CR Timing Belt Tension Measurement 61 3 2 1 1 PF Timing Belt Tension Measurement 62 3 2 1 2 CR Timi...

Страница 8: ...5 2 Protection for Transportation 86 5 2 1 Securing the CR Unit 86 ...

Страница 9: ...Confidential CHAPTER 1 TROUBLESHOOTING ...

Страница 10: ... so the troubleshooting for the Scanner ADF unit is not applicable to this series If the reason for the return is evident first check the phenomenon user claims recurs then proceed to the troubleshooting 5 What is returned reason 2 Standby condition 3 Is printing operation finished without error Start Turn on the printer 1 4 p 11 p 11 p 11 p 12 p 12 Copy an image In case of Not Trouble Found check...

Страница 11: ...ding timing Paper eject timing Duplex print timing Major Troubleshooting 1 remove the jammed paper by opening Scanner Unit or Printer Cover 2 Push Start button 3 If not resolved by 2 check the following Foreign material bits of paper Part come off PE Lever PE Sensor Float of Paper Guide Front Porous Pad Main Board PW Sensor NOTE If an error occurs during printing the page where the error occurred ...

Страница 12: ... Roller deterioration contamination Contamination of PF roller Major Troubleshooting Recommendation of EPSON media Edge guide re setting Foreign material removal Part re installation PF Roller replacement Cassette Assy replacement Pickup Roller replacement Abnormal Noise Presumable Cause Foreign material Insufficient grease Gear damage Major Troubleshooting Foreign material removal Lubrication of ...

Страница 13: ...to the 80 digit side up to its home position 3 3 The PF Motor rotates clockwise and releases the CR lock 4 Seeking the home position 4 1 The carriage moves to the 0 digit side slowly and confirms it touches the Right Frame 4 2 By regarding the position where the CR Unit touches the Right Frame as the specified distance from the origin the home position is determined Thereafter the position of the ...

Страница 14: ...ear its home position At the same time the PF Motor rotates clockwise and measures the load 8 Detecting ink cartridge and initializing ink system 7 8 1 The CR Unit slowly returns to its home position 8 2 To check the operation of the PIS Sensor and to detect ink the CR Unit moves back and forth between the CR Unit and near the APG Lever for two times 9 CR lock setting 9 1 The CR Unit moves to its ...

Страница 15: ...reverse error ADF Encoder failure contaminated detached scale Encoder Board failure Paper jam 0x0B ADF BS lock error ADF Encoder failure contaminated detached scale Encoder Board failure ADF Motor failure ADF drive overload paper jam foreign object Cable disconnection 0x0D ADF BS excess load error 0x0E ADF BS driving time error Main Board failure 0x10 HP detection error CIS Unit failure Scanner Ho...

Страница 16: ...ontaminated detached scale Encoder Board failure 0x4B FB BS lock ADF Encoder failure contaminated detached scale Encoder Board failure ADF Motor failure ADF drive mechanism overload assembling failure lubrication failure Cable disconnection 0x4D FB BS excess load 0x4E FB BS driving time Main Board failure 0x51 Automatic judgment fatal error 1 0x52 Automatic judgment fatal error 2 0x53 Automatic ju...

Страница 17: ...ive circuit VBS over voltage error Head FFC failure Main Board failure 0x9A Circuit error include blowout of a fuse Main Board failure 0x9B Transistor temperature error 0x9C X Hot detect error pre printing Printhead failure Main Board failure 0x9D X Hot detect error after flushing 0x9E Head temperature error 0x9F No print inspection mode error 0xB0 0xCF Ink device error Ink cartridge failure CSIC ...

Страница 18: ... PID reverse error CR Encoder failure contaminated detached scale Encoder Board failure Tooth skip of the CR Timing Belt Improper tension of the CR Timing Belt Paper jam 0xE4 CR PID lock error CR Encoder failure contaminated detached scale Encoder Board failure CR Motor failure Carriage overload error paper jam foreign object Cable disconnection 0xE5 CR PID speed fall error CR Encoder failure cont...

Страница 19: ...m 0xF4 PF PID lock error PF Encoder failure contaminated detached scale Encoder Board failure PF Motor failure PF drive mechanism overload paper jam foreign object Cable disconnection 0xF6 PF PID excess torque limitation error 0xF8 PF load position reverse error PF Encoder failure contaminated detached scale Encoder Board failure Tooth skip of the PF Timing Belt Improper tension of the PF Timing B...

Страница 20: ... the Status sheets This product can print the three kind of status sheet and you can confirm the following information Configuration Status Sheet Supply Status Sheet Usage History Sheet This product has Non disclosed information to user This information can be displayed on the Status sheet by starting the product with the Inspection Mode Power on button Home button button Stop button Power on butt...

Страница 21: ...sed information to user Supply Status sheet Table 1 3 Supply Status sheet Non disclosed information to user Item Content Item Content Consumable information Ink Cartridge Ink residual quantity Residual quantity in formation of the Ink Cartridge each color Consumable information Maintenance Box Maintenance Box residual quantity Residual quantity information of the Maintenance Box ...

Страница 22: ...ts Loaded Cassette 1 Number of sheets loaded from 1st cassette Cassette 2 Number of loaded from 2nd cassette Paper feed slot Number of sheet loaded from paper feed slot Number of sheets scanned ADF Number of sheets scanned from ADF Unit Scanner Glass Number of sheets scanned from Scanner Glass Number of Replacement Ink Cartridge Number of replacement of Ink Cartridge Maintenance Box Number of repl...

Страница 23: ...Confidential CHAPTER 2 DISASSEMBLY REASSEMBLY ...

Страница 24: ...in this chapter see the exploded diagrams of SPI Service Parts Information 2 1 1 Tools Use only specified tools to avoid damaging the printer Note 1 Some of the tools listed above are commercially available 2 EPSON provides the tools listed with EPSON part code 2 1 2 Jigs Name Availability EPSON Part Code Phillips screwdriver 1 O 1080530 Phillips screwdriver 2 O Flathead screwdriver O Flathead Pre...

Страница 25: ... 14 Pickup Holder 1st 0 23 0 23 Pickup Roller 1st 0 53 0 53 Pickup Holder 2nd 0 10 0 10 Pickup Roller 2nd 0 23 0 23 Decoration Plate 0 45 0 45 Panel Unit 1 50 0 26 2 16 Speaker Cover 2 12 2 12 Speaker 2 12 2 12 Duplex Unit Cover Assy 0 50 4 43 5 33 MSF Unit 0 11 4 43 4 54 MSF Stopper Belt 0 37 0 37 Assist Roller Holder Assy 0 14 4 43 4 57 Paper Stopper Assy 2nd 0 50 0 50 ADF Pad Assy 0 19 0 19 Doc...

Страница 26: ... Lower w Cable Support Plate 24 01 24 01 Stacker Assy 14 50 14 50 FAX Unit 15 21 15 21 FAX Shield Plate FAX Connector Cover 16 08 16 08 FAX Board 16 08 16 08 Head FFC Cover 15 07 15 07 Holder Board Assy 15 36 15 36 CSIC Terminal 15 45 15 45 CR Contact Module 16 13 16 13 Holder Board 16 13 16 13 Printhead Cover 15 45 15 45 Printhead 17 37 23 44 41 21 Tube Clamp 14 58 14 58 Ink system Assy 16 09 16 ...

Страница 27: ...Cam Right 28 13 5 40 33 53 CR Scale Support Plate 28 09 28 09 PG Adjustment Cam Left 28 43 5 40 34 23 Star Wheel Assy 30 45 1 37 32 22 Frame Base 2nd Assy 40 07 4 02 44 09 ASF Motor Assy 41 21 0 35 41 56 Spur Gear 16 41 25 41 25 Pickup Assy 2nd 43 09 43 09 Paper Stopper Assy 1st 40 57 40 57 One Way Clutch Gear 33 21 33 21 Main Board Unit 41 18 19 37 60 55 PF Motor 42 15 0 26 42 41 CR Motor 41 53 0...

Страница 28: ...n models and component parts In 2 2 3 Disassembly Flowchart p31 the procedures are indicated on the premise that some parts units are removed in advance Make sure to remove the following parts units before starting disassembly Cassette Assy 1st 2nd Figure 2 1 Removing the Cassette Assy 1st 2nd Duplex Unit Figure 2 2 Removing the Duplex Unit Cassette Assy 1st Cassette Assy 2nd Duplex Unit ...

Страница 29: ...Confidential Disassembly Reassembly Disassembly Reassembly Procedures 29 Epson WF 7620 7610 7110 Series Revision B Maintenance Box Figure 2 3 Removing the Maintenance Box Maintenance Box ...

Страница 30: ...canner Compatible O O Non compatible O Panel Electrostatic Pad type O O LED Button type O Second cassette Frame Base 2nd O O FAX O O Wireless LAN O O O Disassembly Flowchart Start Position p 32 p 33 Table 2 3 Components According to Functions Item Specification ADF Scanner The following units and parts are not mounted on the models without the ADF Scanner ADF Unit Scanner Unit Panel Unit With Pane...

Страница 31: ...es necessary check items in the disassembling assembling procedure Indicates the reference page in blue letter Indicates supplementary explanation for disassembly is given Indicates the reference page in blue letter Indicates particular tasks to keep quality of the units are required Indicates the reference page in blue letter Indicates particular routing of cables is required Indicates the refere...

Страница 32: ...SCREW 3x8 F ZN 3C 6 1kgfÅEcm C C SCREW 3x5 F ZN 3C 8 1kgfÅEcm C P SCREW 3x4 F ZN 3C 6 1kgfÅEcm C P TITE SCREW 2 5x6 F ZN 3C 3 0 5kgfÅEcm C P TITE SCREW 3x4 F ZN 3C 3 0 5kgfÅEcm C B S TITE SCREW 3x8 F ZN 3C 6 1kgfÅEcm C B S TITE SCREW 3x8 F ZN 3C 8 1kgfÅEcm C B P TITE SCREW 3x10 F ZB 3C 6 1kgfÅEcm S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 Pickup Holder 1st 1 p 41 Assist...

Страница 33: ...Cable 5 Cover Open Sensor 2 p 47 Panel FFC Cover Open Sensor Cable p 33 Pickup Roller 2nd p 41 p 75 Pickup Holder 2nd 1 p 41 C Screw type torque list Symbol Screw Type Torque C B P TITE SCREW 2 5x8 F ZN 3C 4 1kgfÅEcm C B P TITE SCREW 3x10 F ZN 3C 6 1kgfÅEcm C B P TITE SCREW 3x10 F ZN 3C 8 1kgfÅEcm C B P TITE SCREW 3x5 F ZN 3C 6 1kgfÅEcm C B P TITE SCREW 3x8 F ZN 3C 6 1kgfÅEcm C B P TITE P4 SCREW 3...

Страница 34: ...e Sup port Plate 1 S11 PG Adjustment Cam Right 1 1 S12 PG Adjustment Cam Left 1 1 S12 Ink tube 7 p 37 WF 7620 WF 7610 Series p 32 WF 7110 Series p 33 PF Encoder FFC Main Board Unit 6 p 42 p 49 p 52 S3 S2 S11 CR Guide Frame Assy w CR Unit 6 4 p 44 p 50 p 52 p 75 S11 S13 Screw type torque list Symbol Screw Type Torque C B P TITE SCREW 2 5x8 F ZN 3C 4 1kgfÅEcm C B P TITE SCREW 3x10 F ZN 3C 6 1kgfÅEcm...

Страница 35: ...rom the Relay Board FFC Guide Relay Board FFC CR Motor cable 9 Release the routing of following FFC and cables Relay Board FFC CR Motor cable PE Sensor cable PF Motor cable 10 Release the routing of following FFC and cables ASF Motor cable ASF Encoder FFC Frame Base 2nd Assy Paper Stopper sensor cable Torsion Spring D Screw type torque list Symbol Screw Type Torque C B P TITE SCREW 2 5x8 F ZN 3C 4...

Страница 36: ...ner FFC Scanner FFC Cover 2 p 40 p 47 Scanner Motor Assy 2 p 47 p 47 p 52 S8 Hinge Right p32 FFC Cable 16 Speaker Cover p32 Speaker p32 Grounding Wire Panel FFC Ferrite core x3 Housing Front CIS Module 2 p 40 p 47 Duplex Unit Cover Open Sensor Assy 1 1 S5 ADF Decoration Plate Rear p36 ADF Cover Right p36 ADF Cover Assy p32 ADF Cover Front 3 5 p 39 S2 1 Screw type torque list Symbol Screw Type Torq...

Страница 37: ...ng FFC and cable ASF Motor cable ASF Motor Encoder FFC ASF Motor Assy 2 S2 Spur Gear 16 Pickup Assy 2nd 1 1 p 42 p 75 S2 Lower Case p32 CR Motor cable Wireless LAN Module cable CN9 Relay Board p37 Screw type torque list Symbol Screw Type Torque C B P TITE SCREW 2 5x8 F ZN 3C 4 1kgfÅEcm C B P TITE SCREW 3x10 F ZN 3C 6 1kgfÅEcm C B P TITE SCREW 3x10 F ZN 3C 8 1kgfÅEcm C B P TITE SCREW 3x5 F ZN 3C 6 ...

Страница 38: ... x2 on the ADF hinges ADF Unit Scanner Unit Hook Bottom of ADF Scanner Unit Check point ADF hinge spacer ADF hinge ADF hinge spacers ADF hinges ADF hinge spacer Check point ADF hinge ADF Decoration Plate Front Rear WF 7620 7610 Series When removing the ADF Decoration Plate Front Rear release the hooks and ribs beforehand Hook ADF Decoration Plate Front Rib ADF Decoration Plate Front ADF Decoration...

Страница 39: ...el Release the hooks x9 and the dowel in the order shown above then remove the ADF Cover Rear Rear of ADF Cover Right ADF Cover Assy ADF Cover Right ADF Cover Right ADF Unit ADF Cover Rear ADF Cover Rear ADF Cover Assy ADF Unit WF 7620 7610 Series 2 The figures above indicate the hooks and dowels that secure the parts and units 2 3 4 Bottom ADF Pad Assy 1 Center hook Front Rear of ADF Cover Front ...

Страница 40: ...mm Sponge positions on back of Document Pad Document Pad Scanner Housing Upper Assy WF 7620 7610 Series Tighten the screws in the order indicated in the figure above Scanner Housing Lower Bottom of Scanner Unit 1 2 3 4 6 5 7 C B P TITE SCREW 3x10 F ZB 3C 6 1 kgf cm Scanner Housing Upper Assy 9 8 10 C B P TITE SCREW 3x10 F ZN 3C 6 1 kgf cm Upper of Scanner Unit Scanner Carriage WF 7620 7610 Series ...

Страница 41: ...ssy Assist Roller Housing Front Assy WF 7620 7610 Series Remove the Housing Front Assy as follows 1 Pull out the Stacker Assy taking care not to let it interfere with the Housing Front Assy 2 Remove the screws x2 that secure the Housing Front Assy 3 Release the hooks x2 on the Housing Front Assy then remove the Housing Front Assy Upper Housing Front Assy Upper Housing Front Assy Housing Front Assy...

Страница 42: ...amp Rib Waste Ink Tube Ink system Assy Dowel Hole Frame Base 1st Assy Frame Base 1st Assy Ink system Assy Waste Ink Tray Cover Waste Ink Tube Maintenance Box Waste Ink Joint Tube Clamp Cap Slider C B P TITE SCREW 3x10 F ZN 3C 6 1 kgf cm Slide the Cap Slider in the direction of the arrow then secure the Ink System with a screw Waste Ink Tray Cover Pickup Assy 1st 2nd When removing the Pickup Assy 1...

Страница 43: ...ake care not to let the terminal of the disconnected FFC touch the area around the section A When reassembling the Printhead be careful not to let the terminal of the disconnected FFC touch the area around the waste ink pad Take care in the same way when replacing the Printer Mechanism and transferring the Printhead If you connect the FFC to the connector with waste ink attached on the terminal th...

Страница 44: ...toppers x2 and remove the stoppers 3 Remove the screws x4 that secure the CR guide frame assy w CR Unit 4 Disengage the hole on the CR guide frame assy w CR Unit from the pinion gear of the CR Motor 5 Hold the CR Unit and the CR guide frame assy and remove the CR guide frame assy w CR Unit upward Secure the CR guide frame assy w CR Unit with screws in the order given in the figure above 0 digit si...

Страница 45: ...e order of the PF Pulley EJ Pulley and the pinion gear of the PF Motor 3 Attach the Extension Spring 7 6 in the order of the hook of the PF Tension Plate and the hook of the PF Motor Plate 4 Tighten the screws x2 in the order shown above to secure the PF Motor Plate C C SCREW 3x5 F ZN 3C 8 1 kgf cm 1 Hook PF timing belt PF pulley EJ pulley Pinion gear of PF motor Hook of PF motor plate Hook of Mai...

Страница 46: ...sengage the holes x3 on the Panel Unit from the dowels x3 on the Housing Upper Assy 3 Press the hook A on the rear of the Panel Unit in the direction of the arrow to release the hook 4 Release the hook B x6 on the bottom of the Panel Unit and disconnect the Panel FFC from the connector on the Panel Unit then remove the Panel Unit Bottom Panel Unit C B P TITE SCREW 3x10 F ZN 3C 6 1 kgf cm Rear of P...

Страница 47: ...C into the hole of the Scanner Housing Lower 2 Secure the Scanner FFC on the position shown above on the Scanner Housing Lower with double sided tape x4 3 Connect the Scanner FFC to the connector on the CIS Module and secure the Scanner FFC on the position shown above on the CIS Module with double sided tape 4 Install the CIS Module to the Scanner Carriage 5 Route the Scanner FFC under the rib B x...

Страница 48: ...ite core B Hook A Rib A Double sided tape C B S TITE SCREW 3x6 F ZN 3C 6 1 kgf cm Rib B メイン基板 Scanner FFC Grounding Wire Ferrite core C Rib D Hook B Rib C Rib D ADF motor cable ADF PE sensor cable ADF plunger cable Scanner Open Sensor cable Scanner Motor cable ADF document sensor cable ADF encoder sensor cable Paper Support Encoder Sensor cable Housing Front Assy WF 7620 WF 7610 Series Route the...

Страница 49: ...l CN59 CN44 Main Board Unit Rib A Rib B Rib C Rib D Hook Groove C B S TITE SCREW 3x6 F ZN 3C 8 1 kgf cm Main Board Unit 2 The correspondence between Main Board and cables FFCs is given above CN5 CN44 CN60 CN71 CN59 CN70 CN501 CN34 CN73 CN74 CN51 CN35 CN54 CN31 CN30 CN76 CN32 CN52 CN72 CN33 CN57 CN56 CN55 CN45 CN9 CN21 CN53 CN 名称 CN 名称 CN5 FAX FFC 1 CN56 ASF PE Sensor cable 2 CN9 Wireless LAN Modul...

Страница 50: ... the ASF Motor cable around the hook on the Frame Base 2nd Assy once then insert the ferrite core into the position shown above See Fig 2 3 Secure the grounding wire A to the ASF Motor Assy with the screw and route the grounding wire B through the ribs and hooks on the Frame Base 2nd Assy See Fig 2 4 Secure the ASF Encoder FFC to the position shown above with double sided tape See Fig 2 5 Route th...

Страница 51: ...ert the ferrite core into the position shown above Route the CR Motor cable through the hooks x8 shown above Hook CR Motor cable Ferrite core 130 digit side 0 digit side CR Motor Scanner Housing Upper Assy WF 7110 Series Pull out the Cover Open Sensor cable from the hole on the Housing Upper Assy and route it through the rib Thread the Panel FFC through the ferrite core holder and ferrite cores x2...

Страница 52: ...Confidential CHAPTER 3 ADJUSTMENT ...

Страница 53: ...n When replacing the Main Board and the Printer Mechanism at the same time the adjustment should be made after performing the initial setting The table items and marks used in the Required Adjustment List provided on the following pages have the following meanings indicates that the adjustment is not required The Mechanism Adjustment should be performed just after reinstalling or reassembling the ...

Страница 54: ...tment is made to adjust the relative positions between the Touch Panel detection points and displaying positions on the Control Panel Part Name Cassette Assy 1st Remove Replace Cassette Assy 2nd Remove Replace Duplex Unit Cover Assy Remove Replace Duplex Unit Remove Replace Panel Unit Remove Replace O ADF Unit Remove Replace ADF Motor Unit Remove Replace Scanner Unit Remove Replace Scanner Motor A...

Страница 55: ...lace Paper Guide Lower Porous Pad Remove Replace APG Unit Remove Replace Table 3 1 Required Adjustment List Mechanism adjustment Adjustment Type Mechanism adjustment Priority 1 2 3 4 Adjustment Item PG Adjustment Checking the Platen Gap CR PF Timing Belt Tension Measurement Touch Panel Adjustment Purpose Adjusts the PG to within the standard Checks if the PG is within the standard Check if the ten...

Страница 56: ...ntrol To correct tilt of the Printhead caused at the installation through software control To correct variations in paper feed accuracy to achieve higher print quality in band printing To correct the paper detection positions and the mounting positions of the PE Sensor by software control Part Name Cassette Assy 1st Remove Replace O O Cassette Assy 2nd Remove Replace O Duplex Unit Cover Assy Remov...

Страница 57: ...ntenance Box Confirm the PE sensor s chattering after detecting the end of the paper falls within the specified period To correct variations in paper feed accuracy to achieve higher print quality To correct the paper detection positions and the mounting positions of the PW Sensor by software control To correct print start timing in bidirectional printing through software control To correct tilt of...

Страница 58: ...r detecting the end of the paper falls within the specified period To correct variations in paper feed accuracy to achieve higher print quality To correct the paper detection positions and the mounting positions of the PW Sensor by software control To correct print start timing in bidirectional printing through software control To correct tilt of the Printhead caused at the installation through so...

Страница 59: ...ariations depending on the factor such as sensor characteristics or installation posture To measure and correct the electrical variation of each motor and the power supply board For Scanner motor and ADF motor re measurement preparation To check the light correction value Duty to check the time to replace the PIS Part Name Cassette Assy 1st Remove Replace Cassette Assy 2nd Remove Replace Duplex Un...

Страница 60: ...y adjustment CR motor heat protection control PF motor heat protection control ASF motor heat protection control 1 Scanner motor heat protection control 2 ADF motor heat protection control 2 PIS board check Purpose To align print start position at 0 digit side with that at 80 digit side in bidirectional band printing timing of firing ink droplet is adjusted through software control To reset the co...

Страница 61: ...ming Belt Tension Measurement This section describes PF CR Timing Belt tension measurement Tools Sonic tension gauge Plastic tweezers Adjustment procedure When PF CR Timing Belt tension measurement make sure of the following Bring the microphone of the sonic tension gauge within 5 mm from the PF Timing Belt but do not let it touch the belt Flip the PF Timing Belt as weak as the sonic tension gauge...

Страница 62: ...n at the measurement point shown in Figure 3 1 Within the standard range go to Step 6 Out of the standard range perform the PF Timing Belt Tension Adjustment p62 6 PF Timing Belt tension measurement is complete Figure 3 1 PF Timing Belt Tension Measurement Adjustment PF Timing Belt Tension Adjustment 1 Loosen the screws x2 of the PF Motor Plate and adjust the position referring to Figure 3 1 2 Tig...

Страница 63: ...ithin the standard range CR Timing Belt tension measurement is complete Out of the standard range go to Step 6 6 Measure the belt tension twice in the same way as described in Step 5 Within the standard range two times in a row CR Timing Belt tension check is complete Either of the results is out of the standard range Any of the related parts may be deformed Replace the Printer Mechanism and then ...

Страница 64: ...em thickness 0 08 mm 3 2 2 1 PG Adjustment procedure Figure 3 3 PG Adjustment Flow The standard range of the PG is as follows Standard 0 digit side 130 digit side 1 7 0 1 mm Center of the printer 1 7 0 2 mm This adjustment should be carried out with the mechanism in the minimum PG position PG1 before installing the CR Scale START PG adjustment is finished Yes No Preparation p65 Adjustment of the 0...

Страница 65: ...on of Thickness Gauge 1 The Printhead of this printer has an integral structure of the Printhead Cover and Printhead nozzle surface Therefore if the thickness gauge touches the nozzle surface in the same way as performed in the traditional procedure the nozzle surface may be damaged When performing the PG Adjustment or checking the platen gap make sure to apply Teflon tape thickness 0 08 mm on all...

Страница 66: ...on of thickness gauge 2 4 Make sure any tears or burrs on the applied Teflon tape then the modification of thickness gauges is complete When the Teflon tape is trimmed the Teflon tape can be easily cut ut by guiding the gauge of half thickness Make sure to wear the heavy glove to prevent the cut the hand when the Teflon tape is cut Before trimming After trimming Teflon tape Thickness gauge Teflon ...

Страница 67: ...t shown in Figure 3 7 in the direction of the arrow until the APG Lever comes out from the hole on the Main Frame 3 Move the CR Unit to the 130 digit side until it touches the APG Lever 4 Check the APG transmission slider is in the OK status shown in Figure 3 6 Figure 3 7 APG Lever Confirmation of the PG adjustment cam positions Make sure the center of the notches on the PG adjustment cam on both ...

Страница 68: ...G adjustment cam on the 0 digit side and go to Adjustment of the 130 digit side p69 When the CR Unit touches the thickness gauge Go back to Step 3 1 and try again 4 Adjust the PG as follows 1 Bring the CR Unit back to the middle of the printer and increment the PG adjustment cam on the 0 digit side by one notch See Figure 3 8 2 Move the CR Unit to the thickness gauge and check if the CR Unit touch...

Страница 69: ...on the 130 digit side Then confirm the PG on the 0 digit side is appropriate by performing Adjustment of the 0 digit side p68 again then go to 3 2 2 4 Checking the Platen Gap p70 When the CR Unit touches the thickness gauge Go back to Step 3 1 and try again 4 If the CR Unit does not touch the thickness gauge adjust the PG as follows 1 Bring the CR Unit back to the middle of the printer and increme...

Страница 70: ... the thickness gauge 2 on the positions shown in Table 3 4 4 Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge When the CR Unit touches the thickness gauge Bring the CR Unit back to the middle of the printer and remove the thickness gauge then go to Step 5 When the CR Unit does not touch the thickness gauge Bring the CR Unit back to the middle of the printer and st...

Страница 71: ...wer button 4 on the panel simultaneously Figure 3 11 Touch Panel Adjustment 1 2 On the displayed menu screen select 4 Touch Screen Inspection and press the Color button Figure 3 12 Touch Panel Adjustment 2 During in the Touch Panel Adjustment mode operations such as menu selection can be done by pressing the following buttons on the panel Figure 3 10 Panel Operation in Touch Panel Adjustment Mode ...

Страница 72: ...tment 3 4 Press Push this Area OK to display the adjustment screen To abort the adjustment press Push this Area Cancel Figure 3 14 Touch Panel Adjustment 4 5 Press displayed on the four corners in order using the touch pen Figure 3 15 Touch Panel Adjustment 5 Run Color Select 3 6 1 Touch Screen Calibration 2 Touch PNL Measurement Mode Push this Area OK Push this Area Cancel Touch Panel to coordina...

Страница 73: ...he adjustment result press Push this Area Save Figure 3 16 Touch Panel Adjustment 6 7 Press the areas within the red boxes x5 using the Touch Pen Figure 3 17 Touch Panel Adjustment 7 8 When Complete appears on the LCD press the Color button to finish the adjustment Figure 3 18 Touch Panel Adjustment 8 Push this Area Save Push this Area Cancel Calibration Check Touch Red Area Complete Push Color Bu...

Страница 74: ...t Details of Adjustments 74 Epson WF 7620 WF 7610 WF 7110 Series Revision B 9 If Retry Check appears on the LCD press Push this Area OK to start from Step 7 again 図 3 19 Touch Panel Adjustment 9 Retry Check Push this Area OK ...

Страница 75: ...Confidential CHAPTER 4 MAINTENANCE ...

Страница 76: ...the head FFC when replacing the printhead Tool Cotton swab or soft dry dust free cloth Cleaning procedure 1 After pulling out the head FFC while holding the printhead from the carriage confirm the ink attachment on the CR Unit 2 If ink attached on the CR Unit wipe it off with a cotton swab or a soft dry dust free cloth This cleaning should be carried out only when replacing the printhead When inst...

Страница 77: ...oller used to feed paper If paper dust adhered to the rollers decreases the frictional force of the rollers and the rollers cannot properly feed paper wipe off the paper dust with a soft cloth moistened with diluted alcohol Instructions for cleaning ink stains Wipe the stains off with a cloth wrung out of diluted alcohol Do not use alcohol for cleaning the transparent parts Doing so may cause them...

Страница 78: ...ints and Instructions p79 for the repairing procedures below and apply the specified type and amount of the grease to the specified part of the printer mechanism Grease Tools Note Use tools whose specifications are specified in Type Name EPSON Part Code Supplier Grease G 26 1080614 EPSON Grease G 45 1033657 EPSON Grease G 71 1480682 EPSON Grease G 72 1409258 EPSON Grease G 74 1409257 EPSON Name Av...

Страница 79: ...ner Housing Lower 2 Application Point 1 Application Point Figure 4 3 Lubrication of the Paper Stopper Assy Part supply as ASP None Lubrication status when supplied as ASP Lubrication Point 1 Grooves of the slider base contact points with the Cam Slider 2 Cam Slider Type 1 G 72 2 G 71 Application Amount 1 0 5 g 0 1 g x 16 points 2 Appropriate amount 0 005 g 0 001 g Remarks Apply with brush 1 Start ...

Страница 80: ...ed Lubrication Point Contact surface of the Cap Slider x4 Type G 74 Application Amount 1 mm x 15 mm Remarks Apply with brush Stir G 74 before use Cap Slider Cap Slider Application Point Part supply as ASP Supplied as the Ink system Assy Lubrication status when supplied as ASP Lubricated Lubrication Point 1 Grooves x2 on the Valve Cam 2 Contact surfaces x2 between the Ink System Assy and Valve Cam ...

Страница 81: ...ween the Main Frame and D E Lever Type G 71 Application Amount Appropriate amount 10 mm x 4 points Remarks Apply with injector Lubricate on the inside of the cutout and on the printer s front side of the Main Frame Front Side Cutout Front Application Point Application Point Main Frame Part supply as ASP Pickup Assy 1st None Pickup Assy 2nd Supplied as the Frame Base 2nd Assy Lubrication status whe...

Страница 82: ...date program and select the latest firmware data to rewrite it 3 After the firmware update is completed and the following message is displayed and also all LEDs light push No 0 button to turn off the printer The start up method of the firmware update mode differs depending on the panel type mounted on the printer so refer to the appropriate start up method If any error occurs during a firmware upd...

Страница 83: ...he LCD Panel condition when PC starts normally The following message is displayed on the LCD and all LEDs light 2 Start the exclusive firmware update program and select the latest firmware data to rewrite it 3 After the firmware update is completed and the following message is displayed push OK button to turn off the printer Stop button Left button Paper setup button Power on button EPSON ROM IPLF...

Страница 84: ...Confidential CHAPTER 5 APPENDIX ...

Страница 85: ...7 CN56 CN55 CN45 PW Sensor CR Encoder Board ADF PE Sensor Paper Support Encoder Sensor Wireless LAN Module Printhead CR Contact Module ADF Unit ADF Encoder Sensor SD card USB cable ASF Motor ASF Encoder Sensor Frame Base 2nd Assy Paper Stopper sensor ASF PE Sensor Paper Stopper Sensor PIS Sensor APG Motor ADF Document Sensor PE Sensor APG Sensor Duplex Unit Cover Open Sensor CR Motor PF Motor Scan...

Страница 86: ...it by shock during transportation Risk if it is not performed Fatal error caused by the damage of the CR Unit Preparation Strong tape Length 220 mm width 22 mm fold on end 5 mm Method 1 Turn off the printer to set the CR Unit to its home position 2 Move the CR Unit until it hits the right frame from the home position 3 Attach the strong tape on the CR Unit as shown below to secure the CR Unit Figu...

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