Epson AcuLaser C1900 AcuLaser C900 Service Manual

Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual Epson AcuLaser C1900 AcuLaser C900 contain clear instructions and procedures on how to fix the problems occurring in your equipment.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

1.1 Product Description
1.1.1 Features
1.2 Basic Specifications
1.2.1 Process Specifications
1.2.2 Printer Basic Specifications
1.2.3 Paper Specifications Paper type Paper Feeding Printing Area
1.2.4 Reliability and Maintainability Reliability Durability Maintenance
1.2.5 Operating Conditions (Including Consumables)
1.2.6 Storage and Transport Environments of the Packaged Printer Main Unit and Optional Products
1.2.7 Electrical Feature
1.2.8 Compatible Standard
1.2.9 Consumable / Regular Replacement Component Specifications Specifications Storage and Transport Environments for Packages Lives of Components
1.3 Controller Unit Specifications
1.3.1 Controller Basic Specifications
1.3.2 Differences in Jumper Settings between Designated Markets
1.3.3 External I/F Specifications Parallel Interface Specifications USB Interface Specifications Ethernet Interface Specifications (AcuLaser C1900) Type B Interface Specifications
1.4 Control Panel
1.4.1 External Appearance and Names of Parts
1.4.2 List of Panel Settings (Only with AcuLaser C1900)
1.4.3 Explanation of Each Setting Menu and Items (Only with AcuLaser C1900)
1.4.4 Special Operations (Only with AcuLaser C1900)
1.4.5 Printer Setting Items (Only with AcuLaser C900) Setting Items stored on the Printer Side Setting Items which are Valid only in the Job and are not Stored in Printer Setting Items Requiring Control by the Printer for Each Printing or Status Change Settings controlled by the mechanical controller, but requiring reading out and changing the values Settings specified regardless of Job and not stored in the printer
1.4.6 Special Setting Operation (Only with AcuLaser C900)
1.4.7 Printer Status Checking Status sheet
1.4.8 Reserve Job List (Only for AcuLaser C1900)
1.4.9 Form Overlay List (Only for AcuLaser C1900)
1.4.10 Network Status Sheet (Only for AcuLaser C1900)
1.4.11 Engine Status Sheet
1.5 RAM Expansion
1.6 Handling Precautions
1.6.1 Caution when there is a Power Failure
1.6.2 Caution Regarding High Temperature Parts
1.7 Network Environment (Only for AcuLaser C900)
1.8 Host Requirements (Only for AcuLaser C900)
1.9 AIDC Control
1.10 External Appearance and Parts Name
1.10.1 Overall Dimensions
1.10.2 Names of Parts
1.11 Differences in Specifications
1.11.1 Differences between AcuLaser C1900 and AcuLaser C2000

2.1 Mechanism Overview
2.1.1 Locations of Electric Parts
2.2 Operation Sequence
2.3 Image Stabilization Control
2.3.1 Execution Conditions for Image Stabilization Control (Only for AcuLaser C900)
2.3.2 Engine Restrictions
2.4 Description of Mechanisms
2.4.1 Paper Path
2.4.2 Photoconductor Unit OPC Drum Charging Process
2.4.3 Exposure Process
2.4.4 Development Process Toner Cartridge Rack Development Position Toner Cartridge
2.4.5 Transfer Process Transfer Belt Unit Secondary Transfer Roller Cleaning Transfer Belt Cleaner Mechanism Waste Toner Box Waste Toner Box Detection
2.4.6 Fusing Process Fuser Unit
2.4.7 Fusing Temperature Control
2.4.8 Paper Feed Mechanism MP Tray 500-sheet Cassette Unit (Option)
2.4.9 Other Mechanisms Duplex Unit (option)
2.5 Controller Board Operating Principles

3.1 Overview
3.2 Status Display (AcuLaser C1900)
3.2.1 Service Call Error Status Details of Service Call Errors and Remedy
3.2.2 Printer Status
3.2.3 Details of Status Messages and Treatment Method
3.2.4 Details of Error Status and Remedy
3.2.5 Details of Warning Status and Remedy
3.3 Status Display (AcuLaser C900)
3.3.1 Service Call Error Status Details of Service Call Errors and Remedy
3.3.2 Printer Status
3.3.3 Details of Status Messages and Treatment Method
3.3.4 Details of Error Status and Remedy
3.3.5 Details of Warning Status and Remedy
3.4 Check Points and Remedy for Paper Jam
3.4.1 Initial Checking
3.4.2 Locations of Jam Detection Sensors
3.4.3 Jam Detection Timing / Action to be Taken
3.4.4 Checking Method for Electric Parts
3.5 Details of Print Quality Trouble and Remedy

4.1 Overview
4.1.1 Precautions
4.1.2 Tools
4.1.3 Screws
4.2 Main Unit Disassembly
4.2.1 Before Disassembling the Printer Toner Cartridge Removal Removal of Other Units
4.3 Periodical Replacement Parts Removal
4.3.1 Secondary Transfer Roller
4.3.2 Fuser Unit
4.4 Cover Removal
4.4.1 Upper Front Cover
4.4.2 Top Cover
4.4.3 Front Door
4.4.4 Rear Cover
4.4.5 Upper Rear Cover
4.4.6 Left Cover
4.4.7 Front Cover
4.4.8 Right Door
4.5 Printer Main Parts Disassembly and Assembly
4.5.1 Main Board (C485MAIN/C494MAIN)
4.5.2 Engine Board (PWB-A)
4.5.3 Exhaust Fan Motor (M6)
4.5.4 Power Supply Fan Motor (M4)
4.5.5 Power Supply Unit (PU)
4.5.6 AIDC Sensor
4.5.7 High Voltage Unit (HV)
4.5.8 Cleaner Pressure Flapper Solenoid (SL4)
4.5.9 Rack Motor (M2)
4.5.10 Main Motor Assy
4.5.11 Multi Purpose Tray
4.5.12 Paper Empty Sensor
4.5.13 Fuser Unit Removal
4.5.14 Fusing Cooling Fan Motor (M5)
4.5.15 Paper Load Roller
4.5.16 Separation Roller
4.5.17 Printer Head Unit (PH)
4.5.18 Manual Paper Feed Solenoid (SL1)
4.5.19 Fuser Deceleration Drive Assy
4.5.20 Rack
4.6 Extension Unit Disassembly and Assembly
4.6.1 The 2nd Paper Load Roller
4.6.2 500-sheet Cassette Unit Control Board (PWB-A)
4.7 Duplex Unit Disassembly and Assembly
4.7.1 Duplex Unit Control Board (PWB-A)
4.7.2 Paper Feed Sensor
4.7.3 Reverse Motor / Transfer Motor

5.1 Overview
5.2 USB ID Input
5.2.1 Installation Procedure for Program
5.2.2 Procedure for Program Operation
5.2.3 USB ID Confirmation
5.3 Service Utility (AcuLaser C900)
5.3.1 Overview Operating Environment Conditions for Use
5.3.2 How to Use the Service Utility Starting the Service Utility Functions
5.3.3 Operation Engine Status Sheet Reset Counter USB ID

6.1 Maintenance
6.1.1 Consumables and Regular Replacement Parts
6.1.2 Cleaning

Chapter 7: APPENDIX
7.1 Schematic Wiring Diagram
7.2 Connectors and Jumpers on Circuit Boards
7.3 ASP List
7.4 Circuit Diagram

Number of pages: 269.