Epson WF-7620 Series Service Manual
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Epson WF-7620 Series Service Manual

Color inkjet printer
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SERVICE MANUAL
Color Inkjet Printer
Epson WF-7620 Series
Epson WF-7610 Series
Epson WF-7110 Series
CONFIDENTIAL
SEMF13-003

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Summary of Contents for Epson WF-7620 Series

  • Page 1 SERVICE MANUAL Color Inkjet Printer Epson WF-7620 Series Epson WF-7610 Series Epson WF-7110 Series CONFIDENTIAL SEMF13-003...
  • Page 2 SEIKO 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.
  • Page 3 Strictly observe the following cautions. Failure to comply may lead 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.
  • Page 4 7. In order to protect sensitive microprocessors and circuitry, use static discharge equipment, such as anti-static wrist straps, when accessing internal components. 8. Do not tilt this product immediately after initial ink charge, especially after performing the ink charge several times.

  • Page 5: Chapter 1 Troubleshooting

    About This Manual This manual, consists of the following chapters, is intended for repair service personnel and includes information necessary for properly performing maintenance and servicing the product. CHAPTER 1. TROUBLESHOOTING Describes the step-by-step procedures for the troubleshooting. CHAPTER 2. DISASSEMBLY / REASSEMBLY Describes the disassembly/reassembly procedures for main parts/units of the product, and provides the standard operation time for servicing the product.
  • Page 6 Revision Status Revision Date of Issue Description July 26, 2013 First Release 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: Table Of Contents

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Contents Chapter 1 Troubleshooting 1.1 Troubleshooting............................... 10 1.1.1 Troubleshooting Workflow ..........................10 1.2 Power-On Sequence ..............................13 1.3 Fatal Error Code List............................... 15 1.4 Status sheet ................................20 1.4.1 Start method of Inspection Mode ........................20 1.4.2 Description of Status sheet (Non-disclosed information to user)..............
  • Page 8 5.2 Protection for Transportation 86 5.2.1 Securing the CR Unit 86...
  • Page 9 CHAPTER 1 TROUBLESHOOTING Confidential...

  • Page 10: Troubleshooting

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 1.1 Troubleshooting This section describes the troubleshooting workflow. 1.1.1 Troubleshooting Workflow The following page describes the troubleshooting workflow. Follow the flow when troubleshooting problems. This flowchart is compiled based on the following contents.
  • Page 11 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B The power-on Error is indicated during sequence does not power-on sequence (p 10) start (p 10) Fatal error Maintenance error No Maintenance Box error Maintenance Box detection Ink End error Ink cartridge detection error...
  • Page 12 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Scanning cannot be ADF does not operate performed Problems related to print result or during printing(p 10) normally (p 10) successfully (p 10) Poor Printing Poor Paper Loading Abnormal Noise Scanner failure...

  • Page 13: Power-On Sequence

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 1.2 Power-On Sequence This section describes the power-on sequences for this product. The preconditions are as follows. Normal power-on sequence (See Table 1-1.) Turning on the printer after turning it off without an error.
  • Page 14 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 1-1. Normal Power-on Sequence CR Unit/PF Roller Operation movement and position 6. Low temperature operation sequence 6-1.The CR Unit returns its home position. 6-2.The CR Unit moves between around the switch lever and in front of the Left Frame two times.

  • Page 15: Fatal Error Code List

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 1.3 Fatal Error Code List This section describes the fatal error code and the possible cause for this product. Fatal errors related to the ADF/Scanner unit do not occur for WF-7110 Series because this model does not have ADF/Scanner unit.
  • Page 16 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 1-2. Fatal Error List (Printer) Error Error type Error name Possible cause code • CIS Unit failure 0x20 LED light error • Main Board failure 0x30 Option error • Main Board failure •...
  • Page 17 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 1-2. Fatal Error List (Printer) Error Error type Error name Possible cause code • PIS failure 0x82 PIS constant reflection error • Main Board failure • Ambient light • Fault Detection Plate failure...
  • Page 18 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 1-2. Fatal Error List (Printer) Error Error type Error name Possible cause code Pickup Roller (2nd cassette) drive mechanism overload (paper jam/foreign 0xD6 ASF PID excess torque limitation error object) •...
  • Page 19 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 1-2. Fatal Error List (Printer) Error Error type Error name Possible cause code 0xEE CR PID driving time error • Main Board failure 0xEF CR load position driving time error •...

  • Page 20: Status Sheet

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 1.4 Status sheet This section describes the Status sheet for this product. This product can print the three kind of status sheet, and you can confirm the following information. • Configuration Status Sheet •...

  • Page 21: Description Of Status Sheet (Non-Disclosed Information To User)

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 1.4.2 Description of Status sheet (Non-disclosed 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.
  • Page 22 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Usage History Sheet Table 1-4. Usage History Sheet Item Content Item Content Number of Sheets Loaded Cassette 1 Number of sheets loaded from 1st Cassette 2 Number of loaded from 2nd cassette...

  • Page 23: Chapter 2 Disassembly/Reassembly

    CHAPTER 2 DISASSEMBLY/REASSEMBLY Confidential...

  • Page 24: Overview

    Flathead screwdriver Flathead Precision screwdriver #1 Tweezers Longnose pliers Nippers 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 Q’ty EPSON Part Code Thickness gauge (1.6mm) Commercially available Thickness gauge (1.42mm)

  • Page 25: Standard Operation Time For Servicing The Product

    The following are the standard operation time for servicing the product. Those are based on the MTTR result measured using a prototype of WF-7620 Series that has the most functions among these product series. For WF- 7610 Series and WR-7110 Series the standard operation time differs slightly due to the differences in structure, however, perform servicing referring to this operation standard time.
  • Page 26 Epson WF-7620/7610/7110 Series Revision B Table 2-1. Standard Operation Time for servicing the product Time Parts/Unit Adjustment/ Replacement Total Inspection Scanner FFC Cover 18:43 18:43 Scanner Motor Assy 19:18 0:58 20:16 CIS Module 18:46 18:46 Hinge Left 9:52 9:52 Hinge Right...
  • Page 27 Epson WF-7620/7610/7110 Series Revision B Table 2-1. Standard Operation Time for servicing the product Time Parts/Unit Adjustment/ Replacement Total Inspection Relay Board Holder 17:26 17:26 Waste Ink Tray Holder 17:31 17:31 APG Unit Support Plate 15:11 15:11 APG Driven Shaft...

  • Page 28: Disassembly/Reassembly Procedures

    Epson WF-7620/7610/7110 Series Revision B 2.2 Disassembly/Reassembly Procedures 2.2.1 Functional differences between models and component parts "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.
  • Page 29 Epson WF-7620/7610/7110 Series Revision B Maintenance Box Maintenance Box Figure 2-3. Removing the Maintenance Box Disassembly/Reassembly Disassembly/Reassembly Procedures Confidential...

  • Page 30: Functional Differences Between Models And Component Parts

    Epson WF-7620/7610/7110 Series Revision B 2.2.2 Functional differences between models and component parts WF-7620/7610/7110 Series described in this manual have differences in their structure because the same printer mechanism is used for some of them and the composition of housings or functions differs.

  • Page 31: Disassembly Flowchart

    Epson WF-7620/7610/7110 Series Revision B 2.2.3 Disassembly Flowchart This section describes procedures for disassembling the parts/units in a flowchart format. For some parts/units, detailed procedures or precautions are provided (accordingly indicated by icons and cell's color). Refer to the explanations in the example chart below and perform an appropriate disassembling and assembling procedure.

  • Page 32: Housing Part (Wf-7620/Wf-7610 Series)

    Epson WF-7620/WF-7610/WF-7110 Series Revision B 2.2.3.1 Housing Part (WF-7620/WF-7610 Series) START Pickup Holder Pickup Holder MSF Stopper Assist Roller Paper Stopper Duplex Unit Lower Case MSF Unit USB Cover Decoration Plate Belt Holder Assy Assy 2nd Cover (p 32) S2 S20...

  • Page 33: Housing Part (Wf-7110 Series)

    Epson WF-7620/WF-7610/WF-7110 Series Revision B 2.2.3.2 Housing Part (WF-7110 Series) START Panel FFC Pickup Holder Pickup Holder Assist Roller Duplex Unit MSF Stopper Lower Case USB Cover Printer Cover MSF Unit Holder Assy Cover Belt (p 33) Panel Unit (p 45)

  • Page 34: Printer Mechanism Part

    Epson WF-7620/WF-7610/WF-7110 Series Revision B 2.2.3.3 Printer Mechanism Part WF-7620/WF-7610 Series: (p 32) WF-7110 Series: (p 33) FFC/Cable* 6 FAX FFC Ink tube FFC/Cable* 7 Stacker Assy Head FFC Cover Cover Cartridge (p 35) Power Supply FAX Unit Main Board Unit...
  • Page 35 Epson WF-7620/WF-7610/WF-7110 Series Revision B (p 34) (p 34) (p 34) FFC/Cable* 8 Torsion Spring Gear Cover Waste Ink Tray (p34) Cover (p35) APG Driven Relay Board APG Unit Sup- CR Scale Shaft Support FFC Guide port Plate Relay Board...
  • Page 36 Epson WF-7620/WF-7610/WF-7110 Series Revision B (p 32) (p 32) (p 32) FFC/Cable* 11 FFC/Cable* 16 LD Shaft ADF Unit Scanner Unit Cover Open Sensor Grounding Wire (p 75) ADF Decoration ADF Decoration ADF Cover Plate Front Plate Rear Right (p 52)
  • Page 37 Epson WF-7620/WF-7610/WF-7110 Series Revision B (p 33) (p 34) (p 34) (p 34) (p 35) Duplex Unit Wireless LAN Module FAX Shield Plate Cable Support CR Contact Relay Board Relay Board Cover Open Sen- /FAX Connector Plate cable(CN9) Module CSIC Terminal...

  • Page 38: Detailed Disassembly/Reassembly Procedure For Each Part/Unit

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit ADF Decoration Plate Front/Rear (WF-7620/7610 Series) ADF Unit/Scanner Unit (WF-7620/7610 Series) ADF Decoration Plate Rear ADF Decoration Plate Front Check point ADF hinge ADF Unit...
  • Page 39 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B ADF Unit (WF-7620/7610 Series) (1) ADF Unit (WF-7620/7610 Series) (2) ADF Cover Assy ADF Pad Assy ADF Unit ADF Cover Right Bottom ADF Cover Assy ADF Cover Right ADF Unit Hook...
  • Page 40 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B ADF Paper Support Cover/Paper Support Encoder Sensor/ADF Paper Support Assy Document Pad (WF-7620/7610 Series) (WF-7620/7610 Series) Sponge positions on back of Document Pad ADF Paper Support Assy 438.5 mm ADF Paper Support Cover 75 mm 168.5 mm...
  • Page 41 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B USB Cover (WF-7620/7610 Series) Paper Stopper Assy 1st/2nd (1) Paper Stopper Assy 1st/2nd (2) Assist Roller Holder Assy Paper Stopper Assy 1st Common to all Compression Spring 0.9 Assist Roller Holder Assy Secure springs (x4) with dowels.
  • Page 42 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Main Board Unit Ink system Assy Waste Ink Tube Upper Rear Tube Clamp Main Board Unit Tube Clamp Waste Ink Tray Cover Maintenance Waste Ink Tube Box Waste Ink Joint WF-7620/7610 Series only...
  • Page 43 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Gear Cover Shield Plate Upper (w/Wireless LAN Module) Holder Cam Assy CR Scale CR Scale CR Unit Gear Cover Rear Black mark Shield Plate Upper (w/Wireless LAN Module) Main frame D/E Lever...
  • Page 44 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Paper Guide Upper Assy CR Guide Frame Assy (w/CR Unit) Rear CR Unit's bottom CR unit CR Guide Frame Stoppers CR guide frame assy Paper Guide L Assy Nozzle plate surface of Printhead...
  • Page 45 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Main Frame Unit PF Motor/PF timing belt Rear MAC address label Right Main Frame Unit PF timing belt PF pulley EJ pulley Pinion gear of PF motor PF tension plate Step 2...
  • Page 46 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Panel Unit (WF-7110 Series) Rear Housing Upper Assy Panel Unit · C.B.P-TITE SCREW 3x10 F/ZN-3C (6±1 kgf Rear of Panel Unit Hook A Bottom Hook B Dowel and Hole Remove the Panel Unit as follows.

  • Page 47: Routing Ffcs/Cables

    Epson WF-7620/7610/7110 Series Revision B 2.4 Routing FFCs/cables ADF Motor Unit (WF-7620/WF-7610 Series) ADF Paper Support Assy (WF-7620/WF-7610 Series) Scanner FFC Cover (WF-7620/WF-7610 Series) Scanner Unit's bottom Before Scanner FFC Cover is installed Scanner Motor cable Hole B Double-sided Scanner Grounding...
  • Page 48 Epson WF-7620/7610/7110 Series Revision B Inside the USB Cover (ADF Unit/Cables related to Scanner Unit (WF-7620/WF-7610 Series) Housing Front Assy (WF-7620/WF-7610 Series) Upper: Before ADF/Scanner Unit is installed Housing Front Assy •ADF motor cable •Scanner Motor cable Rear •ADF PE sensor cable •ADF document sensor cable...
  • Page 49 Epson WF-7620/7610/7110 Series Revision B Main Board Unit (1) Main Board Unit (2) 名称 名称 Rear CN43 CN41 FAX FFC* CN56 ASF PE Sensor cable* Main Board Unit Rear Wireless LAN Module cable CN57 Frame Base 2nd Assy Paper CN44...
  • Page 50 Epson WF-7620/7610/7110 Series Revision B Head FFC Frame Base 2nd Assy (WF-7620/WF-7110 Series) Front Top of Frame Base 2nd Assy: Fold rib inward into hole on Front Frame. Ferrite core Before ASF Motor Assy is installed Fig. 1 Frame Base 2nd Assy...
  • Page 51 Epson WF-7620/7610/7110 Series Revision B PE Sensor CR Motor Scanner Housing Upper Assy (WF-7110 Series) 130-digit side Main Frame Unit's bottom 0-digit side Frame Base 1st Cover Open Sensor cable PE Sensor PE Sensor cable Hole Ferrite core Holder Ferrite core...

  • Page 52: Chapter 3 Adjustment

    CHAPTER 3 ADJUSTMENT Confidential...

  • Page 53: Required Adjustments

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3.1 Required Adjustments The table from the following page lists the required adjustments depending upon the parts being repaired or replaced. Find the part(s) you removed or replaced, and check which adjustment(s) must be carried out.
  • Page 54 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 3-1. Required Adjustment List (Mechanism adjustment) Adjustment Type Mechanism adjustment Priority CR/PF Timing Belt Checking the Touch Panel Adjustment Item PG Adjustment Tension Platen Gap Adjustment Measurement This adjustment is made...
  • Page 55 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 3-1. Required Adjustment List (Mechanism adjustment) Adjustment Type Mechanism adjustment Priority CR/PF Timing Belt Checking the Touch Panel Adjustment Item PG Adjustment Tension Platen Gap Adjustment Measurement This adjustment is made...
  • Page 56 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 3-2. Required Adjustment List 1 (Adjustment using the Adjustment Program) Adjustment Type Adjustment using the Adjustment Program Priority First dot position / PW adjustment Bi-D adjustment Initialize Setting EEPROM Maintenance...
  • Page 57 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 3-2. Required Adjustment List 1 (Adjustment using the Adjustment Program) Adjustment Type Adjustment using the Adjustment Program Priority First dot position / PW adjustment Bi-D adjustment Initialize Setting EEPROM Maintenance...
  • Page 58 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 3-2. Required Adjustment List 1 (Adjustment using the Adjustment Program) Adjustment Type Adjustment using the Adjustment Program Priority First dot position / PW adjustment Bi-D adjustment Initialize Setting EEPROM Maintenance...
  • Page 59 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 3-3. Required Adjustment List 2 (Adjustment using the Adjustment Program) Adjustment Type Adjustment using the Adjustment Program Priority Paper skew PF / EJ PW Detector light quantity CR motor heat protection...
  • Page 60 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Table 3-3. Required Adjustment List 2 (Adjustment using the Adjustment Program) Adjustment Type Adjustment using the Adjustment Program Priority Paper skew PF / EJ PW Detector light quantity CR motor heat protection...

  • Page 61: Details Of Adjustments

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3.2 Details of Adjustments This section provides adjustment procedures for which explanation in details is necessary. See "3.1 Required Adjustments (p53)" for the adjustments not explained here. 3.2.1 PF/CR Timing Belt Tension Measurement This section describes PF/CR Timing Belt tension measurement.

  • Page 62: Pf Timing Belt Tension Measurement

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3.2.1.1 PF Timing Belt Tension Measurement If you have correctly reassembled the Printer Mechanism, the tension of the PF Timing Belt falls within the expected range.If the result of measurement of the PF Timing Belt tension explained in this section is out of standard, readjust the tension as instructed below.

  • Page 63: Cr Timing Belt Tension Check

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3.2.1.2 CR Timing Belt Tension Check This printer is designed so that the each tension of the CR Timing Belt fall within the expected range if you correctly reassemble the unit. However, deformation of any related part(s) can cause improper tension of the belt.

  • Page 64: Pg Adjustment

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3.2.2 PG Adjustment This section describes the procedure for the platen gap (PG) adjustment. 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 ±...

  • Page 65: Preparation

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3.2.2.2 Preparation This section describes how and what to prepare for the preparation before starting the PG adjustment. Modification of the thickness gauges The Printhead of this printer has an integral structure of the Printhead Cover and Printhead nozzle surface.
  • Page 66 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Fold the excess portions of Teflon tape along the edges of the thickness gauge, and trim the portions at about the center in the thickness direction of the sides. thickness gauge...
  • Page 67 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B APG Position Check Make sure the APG position is in the [PG1] position. How to check If it is in the [PG1] position, the lever of the APG transmission slider on the rear of the CR Unit cannot be seen.

  • Page 68: Pg Adjustment Procedure

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3.2.2.3 PG adjustment procedure When performing the PG adjustment, make sure of the following. Perform the PG adjustment with the new cartridges installed on the CR Unit before installing the CR Scale.
  • Page 69 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B Adjustment of the 130-digit side 1. Move the CR Unit in the middle of the printer, then place the 1.6 mm thickness gauge with Teflon tape applied at the position B shown in Figure 3-9.

  • Page 70: Checking The Platen Gap

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3.2.2.4 Checking the Platen Gap Check the platen gap at the three points; on the 0-digit side, on the 130- digit side, and in the middle. The thickness gauges to be used differ according to the points to be checked. Therefore, use an appropriate thickness gauge in the order of checks referring to the table below.

  • Page 71: Touch Panel Adjustment (Wf-7620/7610 Series Only)

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3.2.3 Touch Panel Adjustment (WF-7620/7610 Series only) This section describes the Touch Panel adjustment Purpose To adjust the origin of the Touch Panel. Tools Touch pen (without a sharp end such as a plastic stick) During in the Touch Panel Adjustment mode, operations such as menu selection can be done by pressing the following buttons on the panel.
  • Page 72 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 3. On the displayed menu screen, select “1. Touch Screen Calibration” and press the [Color] button. Run:Color / Select:[3][6] 1.Touch Screen Calibration 2.Touch PNL Measurement Mode Figure 3-13. Touch Panel Adjustment (3) 4.
  • Page 73 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 6. When performing the adjustment again, press “Push this Area. [Cancel]” and start from Step 4 again. To save the adjustment result, press “Push this Area. [Save]”. Calibration Check Push this Area. [Save] Push this Area.
  • Page 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. Retry Check Push this Area. [OK] 図 3-19. Touch Panel Adjustment (9)

  • Page 75: Chapter 4 Maintenance

    CHAPTER 4 MAINTENANCE Confidential...

  • Page 76: Cleaning

    Epson WF-7620/7610/7110 series Revision B 4.1 Cleaning 4.1.1 Cleaning the CR Unit In this product, ink may be attached on the CR Unit by structure of Printhead and CR Unit. So, head short circuit may arise due to ink attachment on the terminal of the head FFC when replacing the printhead.

  • Page 77: Cleaning The Exterior Parts/Inside Of The Printer

    Epson WF-7620/7610/7110 series Revision B 4.1.2 Cleaning the Exterior Parts/inside of the printer This section describes how to clean the sections other than the carriage. Instructions for cleaning Exterior parts such as housing Wipe dirt off with a soft clean cloth moistened with water. For glossy or transparent parts, use of unwoven cloth is recommended to avoid scratching those parts.

  • Page 78: Lubrication

    Epson WF-7620/7610/7110 series Revision B 4.2 Lubrication The type and amount of the grease used to lubricate the printer parts are determined based on the results of the internal evaluations. Therefore, refer to "4.3 Lubrication Points 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.

  • Page 79: Lubrication Points And Instructions

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 4.3 Lubrication Points and Instructions <Part supply as ASP> <Part supply as ASP> Left Scanner Driven Pulley Supplied as the Scanner Unit Center Supplied as the ADF Cover Mounting Shaft <Lubrication status when Assy supplied as ASP>...
  • Page 80 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B <Part supply as ASP> <Part supply as ASP> Paper Guide None None Middle <Lubrication status when <Lubrication status when supplied as ASP> supplied as ASP> <Lubrication Point> <Lubrication Point> Paper Guide 1.
  • Page 81 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B <Part supply as ASP> <Part supply as ASP> <Part supply as ASP> None Front None Pickup Assy 1st: None CR Unit CR Guide Frame <Lubrication status when <Lubrication status when Pickup Assy 2nd: Supplied Front Side supplied as ASP>...

  • Page 82: Firmware Update

    Epson WF-7620/7610/7110 series Revision B 4.4 Firmware Update This section describes how to update the firmware of 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.
  • Page 83 <Panel condition when PC starts normally> The following message is displayed on the LCD and all LEDs light. EPSON ROM : IPLF Program Update 2. Start the exclusive firmware update program and select the latest firmware data to rewrite it.

  • Page 84: Chapter 5 Appendix

    CHAPTER 5 APPENDIX Confidential...

  • Page 85: Connector Diagram

    Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 5.1 Connector Diagram Cable connections of this printer are shown below. Panel Unit CR Unit CSIC Panel Board PW Sensor CR Contact Module Relay Board Printhead CN21 CR Encoder Board CN44...
  • Page 86 Epson WF-7620 / WF-7610 / WF-7110 Series Revision B 5.2 Protection for Transportation This section describes the cautions for packing the printer before returning it to the user. 5.2.1 Securing the CR Unit Purpose To prevent damaging the CR Unit by shock during transportation.

This manual is also suitable for:

Wf-7610 seriesWf-7110 series

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