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AcuLaser C2900N
Service Manual
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Chapter 3 Removal and Replacement Procedures
Revision B
Epson AcuLaser C2900N
3 - 208
Confidential
[Replacement]
1) Engage the connecter (P/J201) of the
SENSOR HUM.
2) Secure the SENSOR HUM to the printer
with the one screw (silver
, tap, 8mm).
461
463
Table of Contents
Main Page
Table of Contents
11
2 Marks Giving Caution
3
3 Related Documents
3
4 Safety
4
Driving Units
5
Laser Beams
6
Warning/Caution Labels
7
Caution Label for Printer
7
Caution Label for ROS
8
5 Unpacking the Printer
9
Table of Contents
11
Troubleshooting Overview
14
Flow of Troubleshooting
14
Check Installation Status
15
Cautions on Service Operations
16
Cautions on Using FIP
17
Items to be Confirmed before Going to FIP Troubleshooting
19
Fip
25
Flow of FIP
25
Status Code List
26
Error Code FIP
38
Image Quality Trouble
139
Entry Chart for Image Quality Troubleshooting
139
Print Image Quality Specifications
143
Image Quality FIP
147
Abnormal Noise Trouble
186
Entry Chart for Abnormal Noise Troubleshooting
186
Operation Mode Table
187
Other FIP
193
Chapter 2 Operation of Diagnostic
202
2 Operation of Diagnostic
203
1 Overview
205
Operating Methods
205
Purpose of this Software
205
2 Configuration
206
3 How to Use CE Mode
207
Control Panel Functions for Diag
207
Entering CE Mode
208
Selecting Diag Item
208
Changing Parameter Values
208
Executing/Exiting Diag Mode
208
Diag Mode Menu Tree
209
4 Diag Types and Test Contents
211
ESS Diag
211
All Test
211
Executing ESS Diagnosis
211
Flashrom Test
211
DRAM Test
212
EEPROM Test
212
MAC+PHY Test
212
ASIC Test
213
IOT Test
213
PANEL Test
213
RTC Test
214
USB Host Test
214
IOT Diag
215
Digital Input (DI) Test
215
Executing Sensor Test
215
Digital Output (DO) Test
223
Executing Motor Test
223
Print Info
238
Executing Print Info
238
Info Page
238
Print Settings
238
Installation Set
239
Executing Installation Set
239
Test Print
240
Executing Test Print
240
No Image IOT
240
Pattern IOT
240
Grid 2 ESS
241
Cyan 20% ESS
242
Magenta 20% ESS
242
Black 20% ESS
243
Yellow 20% ESS
243
Cmy 20% Ess
244
Gradation ESS
245
Toner Pallet
246
Stain Check
247
Parameter
247
Executing Parameter (Registration Adjustment)
248
Executing Parameter (Life Counter)
250
Executing Parameter (Printing the Parameter List)
251
Complete
252
Executing Complete
252
Chapter 3 Removal and Replacement Procedures
253
4 Plug/Jack (P/J) Connector Locations
498
Chapter 4 Plug/Jack(P/J) Connector Locations
498
Connector [P (Plug) / J (Jack)]
499
List of P/J
499
IOT P/J Layout Diagram
502
OPTION DUPLEX P/J Layout Diagram
506
OPTION FEEDER P/J Layout Diagram
507
Chapter 5 Parts List
508
5 Parts List
509
Caution for Use of Engineering Parts List
510
Caution for Use of Spare Parts Illustration
510
Parts List
510
Customer Replaceable Parts Illustration
512
Engineering Parts List
517
PL1.1 Cover (1/2) [Illustration]
517
PL1.1 Cover (1/2) [List]
518
PL1.2 Cover (2/2) [Illustration]
519
PL1.2 Cover (2/2) [List]
520
PL2.1 Paper Cassette [Illustration]
521
PL2.1 Paper Cassette [List]
522
PL3.1 Paper Feeder (1/2) [Illustration]
523
PL3.1 Paper Feeder (1/2) [List]
524
PL3.2 Paper Feeder (2/2) [Illustration]
525
PL3.2 Paper Feeder (2/2) [List]
526
PL4.1 Xerographics [Illustration]
527
PL4.1 Xerographics [List]
528
PL5.1 Dispenser [Illustration]
529
PL5.1 Dispenser [List]
530
PL6.1 Transfer & Fuser Unit [Illustration]
531
PL6.1 Transfer & Fuser Unit [List]
532
PL7.1 Drive [Illustration]
533
PL7.1 Drive [List]
534
PL8.1 Electrical (1/2) [Illustration]
535
PL8.1 Electrical (1/2) [List]
536
PL8.2 Electrical (2/2) [Illustration]
537
PL8.2 Electrical (2/2) [List]
538
PL9.1 Harness [Illustration]
539
PL9.1 Harness [List]
540
PL11.1 Duplex (Option) (1/2) [Illustration]
541
PL11.1 Duplex (Option) (1/2) [List]
542
PL11.2 Duplex (Option) (2/2) [Illustration]
543
PL11.2 Duplex (Option) (2/2) [List]
544
PL12.1 250 Feeder (Option) (1/5) [Illustration]
545
PL12.1 250 Feeder (Option) (1/5) [List]
546
PL12.2 250 Feeder (Option) (2/5) [Illustration]
547
PL12.2 250 Feeder (Option) (2/5) [List]
548
PL12.3 250 Feeder (Option) (3/5) [Illustration]
549
PL12.3 250 Feeder (Option) (3/5) [List]
550
PL12.4 250 Feeder (Option) (4/5) [Illustration]
551
PL12.4 250 Feeder (Option) (4/5) [List]
552
PL12.5 250 Feeder (Option) (5/5) [Illustration]
553
PL12.5 250 Feeder (Option) (5/5) [List]
554
Chapter 6 Principles of Operation
555
6 Principles of Operation
556
1 Printing Process
558
Summary of Printing Process
558
Schematic Diagram for Printing Processes
559
Charge
559
Exposure
561
Development
563
Transfer (Drum to Paper)
566
Cleaning (DRUM)
568
Fusing
569
Cleaning (Transfer ASSY)
570
Waste Toner Collection
571
2 Paper Path
572
Layout of Paper Path
573
Feeding from Paper Tray
574
Multiple Sheet Feed Prevention
575
Feeding from Single Sheet Inserter (SSI)
576
Feeding in Registration Section
577
Lead-Edge Registration
578
Transfer/Fusing/Exit
579
Feeding in Duplex Section
580
3 Functions of Major Functional Components
581
Paper Tray
581
Major Functions
581
Paper Feeder
583
Major Functions
583
SSI & Regi Assy
585
Control of Paper Size
588
Paper Detection by the Regi Sensor
588
Transfer Belt & Fuser Unit
589
Major Functions
589
Ros Assy
591
Major Functions
591
Toner Cartridge & Dispenser
593
Major Functions
593
Drum Cartridge
594
Major Functions
594
Drive
596
Major Functions
596
Electrical
599
Major Functions
599
Data Flow
601
Duplex
602
Major Functions
602
Chapter 6 Principles of Operation CONTENTS
603
Paper Tray
603
Major Functions 250 Paper Tray
603
Major Functions (Paper Feeder)
604
4 Operation Modes
606
5 Control
607
Control of Paper Size
607
ROS Light Quantity Control
607
Process Control
608
Potential Control
608
ADC Sensor Adjustment
609
Admix Mode
609
High Area Coverage Mode
609
Toner Density Control
609
Color Registration Control
610
Fuser Unit Control
611
Cooling down
611
Fuser Unit Temperature Control
611
Sensor Warm-Up
611
6 Drive Transmission Route
612
Drive Assy Main
612
DRIVE ASSY MAIN and DRIVE ASSY SUB DRIVE
615
Toner Dispenser (Y, M, C, K)
620
Drive Assy Sub
622
Drive Assy Dup
626
Motor Assy Sub
628
Chapter 7 Wiring Diagrams and Signal Information
630
Connection Wiring Diagram
632
Symbols in the General Connection Wiring Diagram
632
General Wiring Diagram
633
Interconnection Wiring Diagram of Parts
634
Notes on Using the Wiring Diagram between Parts
634
Configuration of the Interconnection Wiring Diagram of Parts
636
Chapter 8 Product Specifications
660
8 Product Specifications
661
1 Product Specifications
662
Basic Specifications
662
Main Body
662
Optional Unit
663
External View and Part Names
664
Dimensions and Weight
665
Installation Space Requirements
666
Paper Specifications
667
Supported Paper
667
Unsuitable Papers
667
Printable Area
668
Envelope Orientation
669
Paper Eject Capacity
669
Replacement Parts
670
Controller Specifications
671
2 Appendix
672
Sheets
672
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