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Epson 680Pro Service Manual - Page 139

EPSON Stylus COLOR 680/777/777i, Revision B, Appendix, Parts List

UPC - 010343832138

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EPSON Stylus COLOR 680/777/777i Table 7-10. Stylus COLOR 680/777/777i Parts List Code Parts Name Q1 C.B.SCREW,2.6X6,F/ZN Q1 TRANSISTOR Q2 C.B.SCREW,2.6X6,F/ZN Q2 TRANSISTOR 300 BOARD ASSY.,POWER SUPPLY 501 FRAME,MAIN 502 REINFORCEMENT PLATE,HOLDER 503 HOLDER,MOTOR ASSY.,CR 504 COMPRESSIONSPRING,15.7 505 PUMP ASSY. 506 CAP ASSY. 507 MOTOR ASSY.,CR 508 MOTOR ASSY.,PF 509 TIMINGBELT 510 SPUR GEAR,15 511 SPRINGPIN,2X14.5 512 FRAME,FRONT 513 PULLEY,DRIVEN 514 SHAFT,PULLEY,DRIVEN 515 SPUR GEAR,34.2 516 COMBINATION GEAR,12.6,18.4 517 COMPRESSION SPRING,5.85 518 SPURGEAR,15.2 519 COMBINATION GEAR,8.4,21.6 520 COMBINATION GEAR,9.6,33.6 Appendix Revision B Table 7-10. Stylus COLOR 680/777/777i Parts List Code Parts Name 521 SPACER,C-RING 522 ROLLER,PF 523 BUSHING,ROLLER,PF 524 BUSHING,ROLLER,PF,LEFT 525 SPACER,FASTEN,ROLLER,PF 526 GROUNDING WIRE,ROLLER,PF 527 C-RING 528 PLANE WASHER,12.2X0.5X15 529 RODSPRING,SHAFT,CR,GUIDE 530 CARRIAGE 531 SHAFT,CR,GUIDE 532 SLIDER,CR 533 GROUNDINGPLATE,HEAD 534 SPUR GEAR,15,EJ 535 ROLLER,EJECT 536 PAPERGUIDE,ERONT 537 COVER,CARTRIDGE,BK 538 COVER,CARTRIDGE,C 539 TORSION SPRING,52.92 540 PAPERGUIDE,UPPER 541 ROLLER,DRIVEN 542 SHAFT,ROLLER,DRIVEN 543 HOLDER,STARWHEEL,FRONT 544 HOLDER,STARWHEEL,REAR 545 STARWHEEL ASSY.,8;E Parts List 139

Section	Page
PRODUCT DESCRIPTION	9
1.1 FEATURES	10
1.2 SPECIFICATIONS	11
1.2.1 Physical Specification	11
1.2.2 Printing Specification	11
1.2.3 Paper Feeding	12
1.2.4 Input Data Buffer	12
1.2.5 Electric Specification	12
1.2.6 Environmental Condition	13
1.2.7 Reliability	13
1.2.8 Safety Approvals	13
1.2.9 Acoustic Noise	13
1.2.10 CE Marking	13
1.3 INTERFACE	14
1.3.1 Parallel Interface (Forward Channel)	14
1.3.2 Parallel Interface (Reserve Channel)	17
1.3.3 USB Interface	18
1.3.4 Prevention of Data Transfer Time-out	19
1.3.5 Interface Selection	19
1.3.6 IEEE1284.4 Protocol	19
1.4 OPERATOR CONTROLS	20
1.4.1 Operating Switch	20
1.4.2 Control Panel	20
1.4.2.1 Switches	20
1.4.2.2 Indicators	20
1.4.3 Panel Functions	21
1.4.4 Printer Condition and Panel Status	22
1.4.5 Printer Initialization	22
1.4.6 Errors	23
1.5 PAPER	24
1.5.1 Paper Handling	24
1.5.2 Paper Specification	24
1.5.2.1 Cut Sheet	24
1.5.2.2 Transparency, Glossy Paper	24
1.5.2.3 Envelope	24
1.5.2.4 Index Card	25
1.5.3 Printing Area	26
1.5.3.1 Cut Sheet	26
1.5.3.2 Envelopes	27
1.6 INK CARTRIDGE	28
1.6.1 Black Ink Cartridge	28
1.6.2 Color Ink Cartridge	28
Operating Principles	29
2.1 Overview	30
2.1.1 Printer Mechanism	30
2.1.2 Printhead	31
2.1.2.1 Printing Process	32
2.1.2.2 Printing Method	32
2.1.3 Carriage Mechanism	33
2.1.4 Paper Feeding Mechanism	34
2.1.5 Paper Loading Mechanism (ASF Unit)	35
2.1.6 Ink System Mechanism	38
2.1.6.1 Pump Unit & Wiper mechanism	38
2.1.6.2 Capping Mechanism	39
2.2 Electrical Circuit Operating Principles	40
2.2.1 C383 PSB/PSE board	40
2.2.2 C383 MAIN Board	43
2.2.2.1 Main elements	44
2.2.2.2 Printhead Driver Circuit	45
2.2.2.3 PF Motor (PF/ PUMP/ ASF Motor) Driver Circuit	46
2.2.2.4 CR Motor Driver Circuit	46
2.2.2.5 Reset Circuit	47
2.2.2.6 EEPROM Control Circuit	47
2.2.2.7 Sensor Circuit	48
Troubleshooting	49
3.1 Overview	50
3.2 Troubleshooting with LED Error Indications	51
Disassembly and Assembly	61
4.1 Overview	62
4.1.1 Precautions	62
4.1.2 Tools	63
4.1.3 Work Completion Check	64
4.2 Disassembly	65
4.2.1 Housing removal	66
4.2.2 Operation Panel removal	67
4.2.3 Printhead removal	68
4.2.4 CR motor removal	71
4.2.5 Waste drain ink pad unit removal	73
4.2.6 Circuit board removal	75
4.2.7 LD Roller removal	79
4.2.8 HP/PE Sensor removal	83
4.2.9 Ink system unit removal (Cap & Pump unit )	85
4.2.10 Paper Eject Roller removal	87
4.2.11 PF motor removal	89
4.2.12 CR unit removal	91
4.2.13 Paper feed roller removal	94
4.2.14 Disassembling ASF frame unit	97
Adjustment	100
5.1 Overview	101
5.1.1 Required Adjustment	101
5.1.2 Adjustment Program feature	102
5.1.3 Adjustment Program Installation Procedure	103
5.1.4 Adjustment Program Initial Setting menu	103
5.1.5 Head ID Input	103
5.1.6 Bi-D Adjustment	105
5.1.7 USB ID input	107
5.1.8 Head Cleaning Operation	109
5.1.9 Initial Ink Charge Operation	110
5.1.10 Refurbishment for DOA	111
5.1.11 Protection Counter Check/Reset	112
5.1.12 Check pattern printing	114
5.1.13 EEPROM check function	115
5.1.14 CSIC Information	116
Maintenance	117
6.1 Overview	118
6.1.1 Cleaning	118
6.1.2 Service Maintenance	119
6.1.3 Lubrication	119
Appendix	123
7.1 Connector Summary	124
7.1.1 Major Component Unit	124
7.1.2 EEPROM Address Map	127
7.2 Component Layout	131
7.3 Exploded Diagram	133
7.4 Parts List	138

Match case Limit results 1 per page

EPSON Stylus COLOR 680/777/777i

Revision B

Appendix

Parts List

139

C.B.SCREW,2.6X6,F/ZN

TRANSISTOR

C.B.SCREW,2.6X6,F/ZN

TRANSISTOR

300

BOARD ASSY.,POWER SUPPLY

501

FRAME,MAIN

502

REINFORCEMENT PLATE,HOLDER

503

HOLDER,MOTOR ASSY.,CR

504

COMPRESSIONSPRING,15.7

505

PUMP ASSY.

506

CAP ASSY.

507

MOTOR ASSY.,CR

508

MOTOR ASSY.,PF

509

TIMINGBELT

510

SPUR GEAR,15

511

SPRINGPIN,2X14.5

512

FRAME,FRONT

513

PULLEY,DRIVEN

514

SHAFT,PULLEY,DRIVEN

515

SPUR GEAR,34.2

516

COMBINATION GEAR,12.6,18.4

517

COMPRESSION SPRING,5.85

518

SPURGEAR,15.2

519

COMBINATION GEAR,8.4,21.6

520

COMBINATION GEAR,9.6,33.6

Table 7-10. Stylus COLOR 680/777/777i Parts List

Code

Parts Name

521

SPACER,C-RING

522

ROLLER,PF

523

BUSHING,ROLLER,PF

524

BUSHING,ROLLER,PF,LEFT

525

SPACER,FASTEN,ROLLER,PF

526

GROUNDING WIRE,ROLLER,PF

527

C-RING

528

PLANE WASHER,12.2X0.5X15

529

RODSPRING,SHAFT,CR,GUIDE

530

CARRIAGE

531

SHAFT,CR,GUIDE

532

SLIDER,CR

533

GROUNDINGPLATE,HEAD

534

SPUR GEAR,15,EJ

535

ROLLER,EJECT

536

PAPERGUIDE,ERONT

537

COVER,CARTRIDGE,BK

538

COVER,CARTRIDGE,C

539

TORSION SPRING,52.92

540

PAPERGUIDE,UPPER

541

ROLLER,DRIVEN

542

SHAFT,ROLLER,DRIVEN

543

HOLDER,STARWHEEL,FRONT

544

HOLDER,STARWHEEL,REAR

545

STARWHEEL ASSY.,8;E

Table 7-10. Stylus COLOR 680/777/777i Parts List

Code

Parts Name