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

Revision B

Disassembly/Reassembly

Detailed Disassembly/Reassembly Procedure for each Part/Unit

41

Confidential

USB Cover (WF-7620/7610 Series)

Be careful not to damage the hooks (x7) that secure the USB
Cover.

When removing the USB Cover, remove the screws (x2) shown
above and slide the cover in the direction of the arrow to remove it.

Hook

C.B.P-TITE SCREW 3X10 F/ZN-3C (6

±

1

kgf

·

cm)

USB Cover

Paper Stopper Assy 1st/2nd (1)

If any of the parts of the Paper Stopper Assy 1st/2nd comes off
when removing it, be sure to reassemble the Paper Stopper Assy
1st/2nd as shown above.

Paper Stopper

Compression

Spring 0.9

Compression

Spring 0.787

Secure springs (x4) with dowels.

Slider Base

Cam Slider

Slider Cassette

Paper Stopper Assy 1st/2nd (2)

Tighten the screws in the order indicated in the figure above.

C.B.S-TITE SCREW 3x8 F/ZN-3C (6

±

1kgf

·

cm)

1

2

Paper Stopper Assy 1st

Common to all

1

2

Paper Stopper Assy 2nd

WF-7620/7110 Series

C.B.S-TITE SCREW 3x8 F/ZN-3C (6

±

1kgf

·

cm)

Assist Roller Holder Assy

When removing the Assist Roller Holder Assy, remove the Assist
Roller and then release the hook and dowels (x2) beforehand.

Assist Roller Holder Assy

Hook
Dowel

Assist Roller Holder Assy

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

Hook

C.B.P-TITE SCREW 3x10 F/ZN-3C (6

±

kgf

·

cm)

Left

Housing Front Assy

Stacker Assy

Right

Housing Front Assy

Pickup Holder 1st/2nd, Pickup Roller 1st/2nd

Be careful not to touch the rubber potions on the Pickup Roller 1st/2nd with bare hands.

When removing the Pickup Roller 1st, take care not to drop or lose the parts because its removal should be done in a very narrow space.

When removing the Pickup Holder 1st/2nd, make sure to release the hooks shown above beforehand.

When installing the Pickup Roller 1st/2nd, install the roller shafts on them in the order of the shaft on the 130-digit side and the one on the 0 digit
side.

When installing the Pickup Holder 1st/2nd, make sure the attachment directions of the holders are correct.

Hook

Pickup Holder 1st/

Pickup Roller 1st

(Common to all)

Pickup Holder 1st

To 0 digit

To 130 digit

Rubber portions

Pickup Roller 1st

Hook

Pickup Holder 2nd/

Pickup Roller 2nd

(WF-7620/7610 Series)

Pickup Holder 2nd

To 0 digit

To 130 digit

Rubber portions

Pickup Roller 2nd

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Summary of Contents for WF-7110 Series

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

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

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

Page 9: ...Confidential CHAPTER 1 TROUBLESHOOTING ...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

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

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 52: ...Confidential CHAPTER 3 ADJUSTMENT ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 75: ...Confidential CHAPTER 4 MAINTENANCE ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 84: ...Confidential CHAPTER 5 APPENDIX ...

Page 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...

Page 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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