Fatal Error Code - Service Manual TX 620 w

Chapter 4 Appendix

4.3 Troubleshooting

4.3.2 Fatal Error Code

C November 24,

2010

 Chapter 1

 1.2.1Standard Operation Time for servicing the product Table 1-1 on page 13-14 Standard Operation Time(WorkForce 635 series) is added.

 1.2.1Standard Operation Time for servicing the product Table 1-2 on page 14-15 Standard Operation Time(WorkForce 620 series) is added.

 1.2.1Standard Operation Time for servicing the product Table 1-3 on page 15 Standard Operation Time(WorkForce 60 series) is added.

D December 17,

2010

 Add product name(WorkForce630/WorkForce633/StylusNX625/SX620FW).

 Delete product name(WorkForce620).

E June 21,2011 Revised Contents

 Chapter 1

 1.2.1Standard Operation Time for servicing the product Table 1-1 on page 15-18 Standard Operation Time(Adjustment & Total time) is added.

 Made change in “Paper guide front supporting tools (A) size for WorkForce625 series(A)”(p28).

 About the directions for a tools (Comment postscript p28).

 All Chapters

 The model name “WorkForce 645/545/Epson Stylus office BX630FW/BX635FWD/

Epson Stylus NX530/SX535WD/BX535WD/NX635/Epson ME OFFICE 940FW” are

added, and revision is changed.

10 Chapter 1 Disassembly/Reassembly

1.1 Overview ... 12

1.1.1 Tools ... 12

1.1.2 Jigs ... 13

1.2 Disassembly/Reassembly Procedures ... 14

1.2.1 Standard Operation Time for servicing the product ... 15

1.2.2 Disassembly/Reassembly Flowchart ... 19

1.2.2.1 Housing Part (WorkForce 635 series/WorkForce 625 series) ... 19

1.2.2.2 Housing Part (WorkForce 60 series) ... 21

1.2.2.3 Printer Mechanism Part ... 22

1.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit... 24

1.4 Routing FFCs/cables ... 30

Chapter 2 Adjustment 2.1 Required Adjustments ... 34

2.2 Details of Adjustments ... 40

2.2.1 PF Timing Belt Tension Measurement/PF Belt Step Check ... 40

2.2.2 Checking the Platen Gap ... 43

2.2.3 MAC Address Setting... 44

Chapter 3 Maintenance 3.1 Overview ... 46

3.1.1 Cleaning... 46

3.1.2 Lubrication... 46

3.2 Lubrication Points and Instructions... 48

Chapter 4 Appendix 4.1 Power-On Sequence ... 53

4.2 Connector Diagram ... 56

4.3 Troubleshooting... 57

4.3.1 Troubleshooting Workflow ... 57

4.3.2 Fatal Error Code ... 59

DISASSEMBLY/REASSEMBLY

Disassembly/Reassembly Overview 12

1.1 Overview

This chapter describes procedures for disassembling the main parts/units of WorkForce 635 series, WorkForce 625 series and WorkForce 60 series. Unless otherwise specified, disassembled parts/units can be reassembled by reversing the disassembly procedure. See the cautions or tips for disassembly/reassembly described in "1.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit (p24)".

Read the " Safety Precautions (p3)" before disassembling and reassembling.

When you have to remove units or parts that are not described in this chapter, see the exploded diagrams of SPI (Service Parts Information).

1.1.1 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.

In this chapter, the product names are called as follows:

 WorkForce 635 series:WorkForce 635/Epson Stylus Office TX620FWD/Epson Stylus Office BX625FWD/Epson ME OFFICE 960FWD

Work Force 633/Work Force 630/Epson Stylus SX620FW Work Force 645/Epson Stylus Office BX635FWD/

WorkForce 545/Epson Stylus Office BX630FW/Epson ME OFFICE 940FW

 WorkForce 625 series:WorkForce 625/Epson Stylus NX625/TX560WD/SX525WD/

Epson Stylus Office BX525WD/Epson ME OFFICE 900WD Epson Stylus NX530/SX535WD/NX635/Epson Stylus Office BX535WD

 WorkForce 60 series: WorkForce 60/T42WD/Epson Stylus Office B42WD/

Epson ME OFFICE 82WD/Epson ME OFFICE 85ND

Name Availability EPSON Part Code

(+) Phillips screwdriver #1 O 1080530

(+) Phillips screwdriver #2 O

---Flathead screwdriver O

---Flathead Precision screwdriver #1 O

---Tweezers O

---Longnose pliers O

---Acetate tape --- 1003963

Nippers O

---Disassembly/Reassembly Overview 13

1.1.2 Jigs

Note *: The required tools differ between WorkForce 635 series, WorkForce 625 series and WorkForce 60 series. Be careful not to mix up the tools.

Name Q’ty EPSON Part Code

Paper guide front supporting tool (A)* 1 WorkForce 635 series: 1543170

WorkForce 625 series: 1543171 WorkForce 60 series: 1543170

Paper guide front supporting tool (B)* 1 WorkForce 635 series: 1543539

WorkForce 625 series: 1543544 WorkForce 60 series: 1543539

Paper guide front supporting tool (C)* 3 WorkForce 635 series: 1543541

WorkForce 625 series: 1543547 WorkForce 60 series: 1543541

Printhead supporting tool 2 1543169

Disassembly/Reassembly Disassembly/Reassembly Procedures 14

1.2 Disassembly/Reassembly Procedures

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.

(See "1.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit (p24)".) For routing cables, see "1.4 Routing FFCs/cables (p30)".

The example below shows how to see the charts on the following pages.

USB Cover

1 2

(p 24) (p 30)

Ink System Assy

1 1

(p 25) (p 49)

Ref.

Item Description Reference

Parts/unit name White-letter

Part/unit supplied as an ASP

---Black-letter

Part/unit not supplied as an ASP

---Icon

Indicates a practice or condition that could result in injury or loss of life if not strictly observed.

Indicates the reference page in blue-letter Indicates a practice or condition that could result in

damage to, or destruction of equipment if not strictly observed.

Indicates the reference page in blue-letter Indicates the parts that are inevitably broken in the

disassembling procedure, and should be replaced with a new one for reassembly.

---Indicates 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 reference

page in blue-letter Indicates particular adjustment(s) is/are required. Chapter 2 " Adjustment

(p33)"

Indicates lubrication is required. Chapter 3 " Maintenance (p45)"

Indicates the number of screws securing the parts/

units.

---Indicates the points secured with other than a screw

such as a hook, rib, dowel or the like.

---Shows removal/installation as a unit/assy. is available.

Reference page

Shows the screw types and the specified torque in the

“Screw type/torque list”.

Explanation available in the Reference Guide

White letters indicate a part/

unit supplied as an ASP.

Black letters indicate a part/

unit not supplied as an ASP.

Disassembly/Reassembly Disassembly/Reassembly Procedures 15

1.2.1 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.

The underlined parts/units are supplied as After Service Parts.

 Standard Operation Time for servicing WorkForce 635 series: See Table 1-1

 Standard Operation Time for servicing WorkForce 625 series: See Table 1-2

 Standard Operation Time for servicing WorkForce 60 series: See Table 1-3

Table 1-1. Standard Operation Time (WorkForce 635 series)

Parts/Unit

Time (second)

Parts/Unit

Time (second)

Replace-ment

Adjust-ment Total

Replace-ment

Adjust-ment Total

USB Cover 32 0 32 Main Frame (w/ CR Assy) 1140 937 2077

ADF Unit/Scanner Unit 272 0 272 Upper Paper Guide 1181 657 1838

Scanner Unit 392 0 392 PE Holder Assy 1230 302 1532

CIS Unit 505 0 505 CR Motor 1255 70 1325

ADF Unit 392 0 392 CR Scale Holder 1164 0 1164

Front ADF Cover 466 0 466 CR Assy 1190 570 1760

Top ADF Cover 470 0 470

Hinge Cover Cartridge/Cartridge Cover

517 0 517

Right ADF Cover 505 0 505 I/C Guide 523 0 523

Rear ADF Cover 425 0 425 Inner Head Cable

Cover 556 0 556

ADF Document

Support 402 402 Printhead 646 1152 1798

ADF Cover Assy 12 0 12 Holder Board Assy 508 0 508

ADF Pad Assy 17 0 17 CSIC Terminal 535 0 535

Document Pad 23 0 23 CR Contact

Module 524 0 524

Decoration Plate 34 0 34 Holder Board 551 0 551

Left Housing 61 0 61 Head FFC 1267 0 1267

Hinge 287 0 287 Front Frame 1167 570 1737

Upper Housing

(w/ Panel Unit) 484 0 484 Star Wheel Assy 1192 249 1441

Upper Housing 518 0 518 Paper Guide Front Assy 1304 735 2039

Cover Open Sensor 518 0 518 Front Paper Guide

Waste Ink Pad 1308 0 1308

Duplex Unit 8 411 419 EJ Pulley 1208 43 1251

Right Housing 52 0 52 EJ Roller 1229 454 1683

Panel Unit 183 0 183 PF Holder/PF Timing

Belt 1387 43 1430

Panel Gear 200 0 200 PF Motor 1429 87 1516

Panel Lever 200 0 200 Frame Base Assy 1359 859 2218

Lower Panel Housing 299 0 299 Lower Paper Guide

Waste Ink Pad 1363 14 1377

Panel Board 318 0 318 PE Sensor 1332 53 1385

LCD 366 0 366 Stacker Assy 1327 0 1327

Button 464 0 464 Frame Base 1304 0 1304

Upper Panel Housing 512 0 512 Extension Spring

(Upper Paper Guide) 529 0 529

Cassette Assy 8 135 143 CR Scale 565 0 565

Pickup Assy 24 0 24 Driven Pulley/Extension

Spring 641 0 641

Waste Ink Tray Assy 35 14 49 Cam Holder Assy 503 0 503

Paper Sheet Assy 13 114 127 Extension Spring 566 0 566

Disassembly/Reassembly Disassembly/Reassembly Procedures 16

FAX Grounding Plate 521 0 521 FAX Assy 560 0 560

PF Encoder Sensor 829 0 829 FAX Shield Plate/

FAX Connector Cover 625 0 625

Main Board Unit 800 1144 1944 Fax Board 625 0 625

Shield Plate

(w/ Wireless LAN Module) 949 0 949 Right Frame 496 0 496

Wireless LAN Module 838 0 838 Ink System Assy 540 0 540

Main Board 987 0 987 Waste Ink Pad

(Bottom of Ink System Assy) 575 0 575

P/S Board Assy 529 0 529

Table 1-2. Standard Operation Time (WorkForce 625 series)

Parts/Unit

Time (second)

Parts/Unit

Time (second)

Replace-ment

Adjust-ment Total

Replace-ment

Adjust-ment Total

USB Cover 32 0 32 Main Frame (w/ CR Assy) 984 957 1941

Scanner Unit 147 0 147 Upper Paper Guide 1025 527 1552

CIS Unit 236 0 236 PE Holder Assy 1074 402 1476

Document Cover 21 0 21 CR Motor 1099 62 1161

Document Pad 23 0 23 CR Scale Holder 1006 0 1006

Decoration Plate 40 0 40 CR Assy 1032 441 1473

Left Housing 67 0 67

Hinge Cover Cartridge/Cartridge Cover

396 0 396

Hinge 162 0 162 I/C Guide 402 0 402

Upper Housing

(w/ Panel Unit) 365 0 365 Inner Head Cable

Cover 435 0 435

Upper Housing 503 0 503 Printhead 525 1023 1548

Cover Open Sensor 399 0 399 Holder Board Assy 389 0 389

Duplex Unit 8 316 324 CSIC Terminal 440 0 440

Right Housing 58 0 58 CR Contact

Module 401 0 401

Panel Unit 189 0 189 Holder Board 428 0 428

Panel Gear/Panel Lever 216 0 216 Head FFC 1109 0 1109

Lower Panel Housing 286 0 286 Front Frame 1011 441 1452

Panel Board 383 0 383 Star Wheel Assy 1036 201 1237

LCD 431 0 431 Paper Guide Front Assy 1036 634 1670

LCD Cover 433 0 433 Front Paper Guide

Waste Ink Pad 1148 0 1148

Button 447 0 447 EJ Pulley 1207 43 1250

Upper Panel Housing 497 0 497 EJ Roller 1052 359 1411

Cassette Assy 8 115 123 PF Holder/PF Timing

Belt 1273 78 1351

Pickup Assy 24 0 24 PF Motor 1273 78 1351

Waste Ink Tray Assy 35 7 42 Frame Base Assy 1148 892 2040

Main Board Unit 644 774 1418 Lower Paper Guide

Waste Ink Pad 1152 7 1159

Shield Plate (w/ Wireless LAN Module)

739 0 739 PE Sensor 1176 201 1377

Table 1-1. Standard Operation Time (WorkForce 635 series)

Parts/Unit

Time (second)

Parts/Unit

Time (second)

Replace-ment

Adjust-ment Total

Replace-ment

Adjust-ment Total

Disassembly/Reassembly Disassembly/Reassembly Procedures 17

Wireless LAN Module 682 0 682 Stacker Assy 1171 0 1171

Main Board 739 0 739 Frame Base 1203 709 1912

PF Encoder Sensor 673 0 673 Extension Spring

(Upper Paper Guide) 410 0 410

Right Frame 377 0 377 CR Scale 446 0 446

Ink System Assy. 421 0 421 Driven Pulley/Extension

Spring 406 0 406

Waste Ink Pad

(Bottom of Ink System Assy) 437 0 437 Cam Holder Assy 384 0 384

P/S Board Assy 410 97 507 Extension Spring 379 0 379

Stopper Assy 0

Table 1-3. Standard Operation Time (WorkForce 60 series)

Parts/Unit

Time (second)

Parts/Unit

Time (second)

Replace-ment

Adjust-ment Total

Replace-ment

Adjust-ment Total

USB Cover 34 0 34 Main Frame (w/ CR Assy) 550 937 1482

Printer Cover 9 0 9 Upper Paper Guide 566 657 1223

Upper Housing

(w/ Printer Cover) 162 0 162 PE Holder Assy 592 302 894

Upper Housing 171 0 171 CR Motor 627 70 697

Duplex Unit 4 411 415 CR Scale Holder 570 0 570

Cassette Assy 4 135 139 CR Assy 601 570 1171

Pickup Assy 25 0 25

Hinge Cover Cartridge/Cartridge Cover

193 0 193

Waste Ink Tray Assy 24 14 38 I/C Guide 199 0 199

Stacker Assy 128 0 128 Inner Head Cable

Cover 208 0 208

Front Cover 13 0 13 Printhead 279 1152 1431

Panel Unit 44 0 44 Holder Board Assy 179 0 179

Panel Board 101 0 101 CSIC Terminal 230 0 230

LED Lens 94 0 94 CR Contact

Module 191 0 191

Button 126 0 126 Holder Board 242 0 242

Front Panel Cover 126 0 126 Head FFC 632 0 632

Stacker Open Sensor 56 0 56 Paper Guide Front Assy 716 735 1451

Main Board Unit 348 1144 1492 Front Paper Guide

Waste Ink Pad 847 0 847

Wireless LAN Module 392 0 392 EJ Pulley 616 43 659

Shield Plate

(w/ Cover Open Sensor) 581 0 581 EJ Roller 624 454 1078

Main Board 581 0 581 PF Holder/PF Timing

Belt 750 43 793

Cover Open Sensor 354 0 354 PF Motor 822 87 909

PF Encoder Sensor 361 0 361 Frame Base Assy 716 859 1575

Front Frame 583 570 1153 Lower Paper Guide

Waste Ink Pad 721 14 735

Table 1-2. Standard Operation Time (WorkForce 625 series)

Parts/Unit

Time (second)

Parts/Unit

Time (second)

Replace-ment

Adjust-ment Total

Replace-ment

Adjust-ment Total

Disassembly/Reassembly Disassembly/Reassembly Procedures 18

Star Wheel Assy 609 249 858 PE Sensor 768 53 821

CR Scale 195 0 195 Frame Base 773 0 773

Driven Pulley/Extension

Spring 252 0 252 Extension Spring

(Upper Paper Guide) 201 0 201

Right Frame 170 0 170 Cam Holder Assy 200 0 200

Ink System Assy 223 0 223 Extension Spring 219 0 219

Waste Ink Pad (Bottom of Ink System Assy)

228 0 228 Power Supply Unit 83 0 83

Table 1-3. Standard Operation Time (WorkForce 60 series)

Parts/Unit

Time (second)

Parts/Unit

Time (second)

Replace-ment

Adjust-ment Total

Replace-ment

Adjust-ment Total

Disassembly/Reassembly Disassembly/Reassembly Flowchart 19

Upper Housing (w/ Panel Unit)

Waste Ink Tray Assy

(p 35)

Paper Sheet Assy

ADF Cover Assy

---2

(p 27)

ADF Pad Assy

1.2.2 Disassembly/Reassembly Flowchart

1.2.2.1 Housing Part (WorkForce 635 series/WorkForce 625 series)

Flowchart 1-1. Disassembly Flowchart of Housing Part (1)

Screw type/torque list

Symbol Screw type Torque

C.B.P-TITE SCREW,2.5X8,F/ZN-3C 4



1 kgf·cm C.B.P-TITE SCREW,2X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X10,F/ZB-3C 6



1 kgf·cm C.B.P-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 4



0.5 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 8



1 kgf·cm C.P.SCREW,2.5X6,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 4



1 kgf·cm

C.P.SCREW,2.6X3,F/ZN-3C 4



1 kgf·cm C.B.P-TITE SCREW(S-P1),3X12,F/ZN-3C 5 - 6 kgf·cm C.B.P-TITE SCREW,2.5X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X4,F/ZN-3C 6



1 kgf·cm

WorkForce 635 series specific parts/unit

WorkForce 625 series specific parts/unit Document Cover

 See "1.2.2.2Housing Part (WorkForce 60 series) (p21)" for removing the housing part of WorkForce 60 series.

 When replacing the Printer Mechanism supplied as an ASP, make sure to adjust the Stopper Holder Idle Roller in the proper

attachment position, and then perform the PF Timing Belt tension measurement. See " Paper Guide Front Assy (Stopper Holder Idle Roller) (p28)" and "2.2.1PF Timing Belt Tension Measurement/

PF Belt Step Check (p40)" for the details.

Stacker Assy

---4

---WorkForce 635 series/

WorkForce 625 series common parts/unit

Disassembly/Reassembly Disassembly/Reassembly Flowchart 20

WorkForce 635 series specific parts/unit

WorkForce 625 series specific parts/unit

WorkForce 635 series/

WorkForce 625 series common parts/unit

Flowchart 1-2. Disassembly Flowchart of Housing Part (2)

Cover Open

Rear ADF Cover

(p 27)

ADF Document Support

Top ADF Cover

---2

(p 27)

Lower Panel Housing

---Upper Panel Housing

Ref. Panel Gear/

Panel Lever

---Lower Panel Housing

Screw type/torque list

Symbol Screw type Torque

C.B.P-TITE SCREW,2.5X8,F/ZN-3C 4



1 kgf·cm C.B.P-TITE SCREW,2X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X10,F/ZB-3C 6



1 kgf·cm C.B.P-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 4



0.5 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 8



1 kgf·cm C.P.SCREW,2.5X6,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 4



1 kgf·cm

C.P.SCREW,2.6X3,F/ZN-3C 4



1 kgf·cm C.B.P-TITE SCREW(S-P1),3X12,F/ZN-3C 5 - 6 kgf·cm C.B.P-TITE SCREW,2.5X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X4,F/ZN-3C 6



1 kgf·cm

 See "1.2.2.2Housing Part (WorkForce 60 series) (p21)" for removing the housing part of WorkForce 60 series.

 When replacing the Printer Mechanism supplied as an ASP, make sure to adjust the Stopper Holder Idle Roller in the proper

attachment position, and then perform the PF Timing Belt tension measurement. See " Paper Guide Front Assy (Stopper Holder Idle Roller) (p28)" and "2.2.1PF Timing Belt Tension Measurement/

PF Belt Step Check (p40)" for the details.

Disassembly/Reassembly Disassembly/Reassembly Flowchart 21

WorkForce 635 series specific parts/unit

WorkForce 635 series/WorkForce 625 series/

WorkForce 60 series common parts/unit

1.2.2.2 Housing Part (WorkForce 60 series)

Flowchart 1-3. Disassembly Flowchart of Housing Part (3)

Screw type/torque list

Sym

bol Screw type Torque

C.B.P-TITE SCREW,2.5X8,F/ZN-3C 4



1 kgf·cm C.B.P-TITE SCREW,2X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X10,F/ZB-3C 6



1 kgf·cm C.B.P-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 4



0.5 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 8



1 kgf·cm

C.P.SCREW,2.5X6,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 4



1 kgf·cm

C.P.SCREW,2.6X3,F/ZN-3C 4



1 kgf·cm

C.B.P-TITE SCREW(S-P1),3X12,F/ZN-3C 5 - 6 kgf·cm C.B.P-TITE SCREW,2.5X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X4,F/ZN-3C 6



1 kgf·cm

Waste Ink Tray Assy

---P/S Board Assy

1 Stacker Open

Sensor

---Front Panel Cover

---Cover Open

Sensor (w/ Printer Cover)

(p 29)

Printer Cover

 See "1.2.2.1Housing Part (WorkForce 635 series/WorkForce 625 series) (p19)" for disassembly of the Housing Part of WorkForce 635/625 series.

 When replacing the Printer Mechanism supplied as an ASP, make sure to adjust the

Stopper Holder Idle Roller in the proper attachment position, and then perform the PF

Timing Belt tension measurement. See "Paper Guide Front Assy (Stopper Holder Idle

Roller) (p28)" and "2.2.1PF Timing Belt Tension Measurement/PF Belt Step Check

(p40)" for the details.

Disassembly/Reassembly Disassembly/Reassembly Flowchart 22 1.2.2.3 Printer Mechanism Part

Flowchart 1-4. Disassembly Flowchart of Printer Mechanism Part (1)

WorkForce 635 series specific parts/unit

WorkForce 625 series specific parts/unit

WorkForce 635 series/WorkForce 625 series/

WorkForce 60 series common parts/unit

Screw type/torque list

Symbol Screw type Torque

C.B.P-TITE SCREW,2.5X8,F/ZN-3C 4



1 kgf·cm C.B.P-TITE SCREW,2X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X10,F/ZB-3C 6



1 kgf·cm C.B.P-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 4



0.5 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 8



1 kgf·cm C.P.SCREW,2.5X6,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 4



1 kgf·cm

C.P.SCREW,2.6X3,F/ZN-3C 4



1 kgf·cm C.B.P-TITE SCREW(S-P1),3X12,F/ZN-3C 5 - 6 kgf·cm C.B.P-TITE SCREW,2.5X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X4,F/ZN-3C 6



1 kgf·cm

S1 FAX Grounding

Plate

---S6

Cam Holder Assy

---4

(p 25)

Ref. FAX Grounding

Plate Right Frame

---2

---Ink System Assy

(p 25) (p 49)

Ref.

Hinge Cover Cartridge/

Cartridge Cover^*

---1

---P/S Board Assy

PF Encoder Sensor

(p 31)

S14

Waste Ink Pad (Bottom of Ink

System Assy)

---Inner Head Cable Cover

Star Wheel Assy

2 ---FAX Shield Plate/

FAX Connector Cover ---Holder Board

Assy

WorkForce 635 series/WorkForce 625 series: (p 19)

(p 23)

B

(p 23) Ink System Assy

Ref.

Right Frame

Note "*": Only the Hinge Cover Cartridge is supplied as an ASP.

Driven Pulley/

---Holder Board Assy Extension Spring

(Upper Paper Guide)

---6

---Main Board Unit

(p 26) (p 31) (p 35)

S4 S6

Main Board Unit

(p 26) (p 32) (p 35)

S4 S6

When replacing the Printer Mechanism supplied as an ASP, make sure to adjust the Stopper Holder Idle Roller in the proper attachment position, and then perform the PF Timing Belt tension measurement.

See " Paper Guide Front Assy (Stopper Holder Idle Roller) (p28)" and

"2.2.1PF Timing Belt Tension Measurement/PF Belt Step Check (p40)" for the details.

WorkForce 60 series specific parts/unit

4

^{(p 23)}

Main Board Unit

(p 29) (p 32) (p 35)

S4 S6

WorkForce 60 series: (p 21)

Disassembly/Reassembly Disassembly/Reassembly Flowchart 23 Flowchart 1-5. Disassembly Flowchart of Printer Mechanism Part (2)

Screw type/torque list

Symbol Screw type Torque

C.B.P-TITE SCREW,2.5X8,F/ZN-3C 4



1 kgf·cm C.B.P-TITE SCREW,2X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X10,F/ZB-3C 6



1 kgf·cm C.B.P-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X10,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 4



0.5 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 6



1 kgf·cm C.B.S-TITE SCREW,3X6,F/ZN-3C 8



1 kgf·cm C.P.SCREW,2.5X6,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 2



0.5 kgf·cm

C.P.SCREW,3X4,F/ZN-3C 4



1 kgf·cm

C.P.SCREW,2.6X3,F/ZN-3C 4



1 kgf·cm

C.B.P-TITE SCREW(S-P1),3X12,F/ZN-3C 5 - 6 kgf·cm C.B.P-TITE SCREW,2.5X8,F/ZN-3C 2



0.5 kgf·cm C.B.P-TITE SCREW,3X4,F/ZN-3C 6



1 kgf·cm

Front Paper Guide Waste Ink Pad

PE Holder Assy

(p 36)

Shield Plate (w/ Wireless LAN

Module) 7

(p 25)

S5 S7 S9 S10

Main Board^*1

(p 35)

4

Lower Paper Guide Waste Ink Pad

Frame Base^*3

(p 38)

CR Scale Holder

---S8

Upper Paper Guide

PF Timing Belt

---1

(p 38) (p 48) EJ Pulley

EJ Roller Wireless LAN

Module^*5 (w/ Wireless LAN

Module) 6

(p 25)

S5 S7 S10

WorkForce 635 series/WorkForce 625 series: (p 22) (p 22) (p 22)

Hinge Cover Cartridge/

Cartridge Cover I/C Guide Inner Head Cable

Cover Holder Board

Assy Printhead

CR Motor Frame Base

Assy^*2*3

(p 38)

B

^{(p 22)}

Waste Ink Tray Assy Cassette Assy

Pickup Assy

P/S Board Assy Waste Ink Pad (Bottom of Ink

When replacing the Printer Mechanism supplied as an ASP, make sure to adjust the Stopper Holder Idle Roller in the proper attachment position, and then perform the PF Timing Belt tension measurement.

See " Paper Guide Front Assy (Stopper Holder Idle Roller) (p28)" and

"2.2.1PF Timing Belt Tension Measurement/PF Belt Step Check (p40)" for the details.

WorkForce 635 series specific parts/unit

WorkForce 625 series specific parts/unit

WorkForce 635 series/WorkForce 625 series/

WorkForce 60 series common parts/unit WorkForce 60 series specific parts/unit Note "*1": Supplied as an ASP only for WorkForce 635 series/WorkForce 625 series.

"*2": Supplied as an ASP only for WorkForce 635 series/WorkForce 60 series.

"*3": The shape of the parts are different but the procedure is the same between WorkForce 635 series/WorkForce 625 series and WorkForce 60 series.

"*4": See (p 21) for Stacker Assy of WorkForce 60 series.

"*5": This is not mounted on Epson ME OFFICE 85ND.

Stacker Assy^*4

WorkForce 60 series: (p 22)

Disassembly/Reassembly Detailed Disassembly/Reassembly Procedure for each Part/Unit 24

1.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit

USB Cover (WorkForce 635/625 series)

Remove the USB Cover by sliding it in the direction of the arrow shown above carefully not to damage the hooks (x2) that secure the USB Cover.

Hook C.B.P-TITE SCREW,3X10,F/ZB-3C (6 ± 1 kgf·cm) Rib

USB Cover

Decoration Plate (WorkForce 635/625 series)

Remove the Decoration Plate by rotating it in the direction of the arrow shown above carefully not to damage the hooks (x2) that secure the Decoration Plate.

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

Decoration Plate

Hook

C.B.P-TITE SCREW,3X10,F/ZN-3C (6 ± 1 kgf·cm) Decoration Plate

1 2 3

Document Pad (WorkForce 635/625 series)

 First align one bottom corner of the Document Pad with the reference position and attach it with double-sided tape.

 Make sure there is no gap on the left and bottom sides of the Document Pad.

No gap

ADF Unit (WorkForce 635 series) Document Cover (WorkForce 625 series)

Reference position

Document Pad

Standard line Double-sided tape No gap

Left Housing/Right Housing (WorkForce 635/625 series)

 Be careful not to damage the hooks (x1 each) and ribs (x7 each) that secure the Left Housing/Right Housing.

 Be careful to remove the Left Housing since the Panel FFC and the Cover Open Sensor cable are routed inside it.

When installing the Left/Right Housing, align the positioning holes with the dowels of the Upper Housing.

Right Housing Left Housing

Hole Rib Positioning hole Dowel

Left

Panel FFC

Cover Open Sensor cable

Right

Document Cover (WorkForce 625 series)

When removing the Document Cover, follow the procedure below.

1. With the Document Cover open, release the outside dowel on the right by pushing it from the rear of the printer.

2. Release the outside dowel on the left, and remove the Document Cover.

Document Cover

Dowel Upper Housing

Panel Unit (WorkForce 635/625 series)

Remove the screws (x3) with the Panel Unit open, and turn the

In document Service Manual TX 620 w (Page 9-61)