Ricoh Aficio MP 2000LN2 Field Service Manual
Ricoh Aficio MP 2000LN2 Field Service Manual

Ricoh Aficio MP 2000LN2 Field Service Manual

Model k-c3.5l, machine code: b244/b276/b277/b268/b269
Table of Contents

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Model K-C3.5L
Machine Code:
B244/B276/B277/B268/B269
Field Service Manual
3 December, 2010

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Table of Contents
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Summarization of Contents

Safety Notices
Important Safety Notices
Covers critical safety precautions for physical injury, health, electrical standards, and disposal.
1. Product Information
Specifications
Details general specifications including paper sizes, weights, and reproduction ratios.
Machine Configuration
Diagrams and lists of machine components and their corresponding codes.
Overview
Provides a general overview of the machine's layout and components.
2. Installation
Installation Requirements
Specifies environmental, machine level, space, and power requirements for installation.
Machine Level
Defines the acceptable tolerance for machine leveling.
Minimum Space Requirements
Details the clearance needed around the machine for proper operation.
Power Requirements
Outlines the necessary input voltage and current specifications for the machine.
Copier Installation
Power Sockets for Peripherals
Identifies sockets for connecting external devices like ADF and paper trays.
Accessory Check
Lists accessories to check before starting the copier installation.
Installation Procedure
Step-by-step instructions for installing the main copier unit.
Platen Cover Installation
Accessory Check
Lists accessories required for platen cover installation.
Installation Procedure
Step-by-step instructions for installing the platen cover.
ARDF Installation
Accessory Check
Lists accessories required for ARDF installation.
ADF Installation
Accessory Check
Lists accessories required for ADF installation.
Two-tray Paper Tray Unit Installation
Accessory Check
Lists accessories required for two-tray paper unit installation.
Installation Procedure
Step-by-step instructions for installing the two-tray paper unit.
One-tray Paper Tray Unit Installation
Accessory Check
Lists accessories required for one-tray paper unit installation.
Installation Procedure
Step-by-step instructions for installing the one-tray paper unit.
One-Bin Tray Installation
Accessory Check
Lists accessories required for one-bin tray installation.
Installation Procedure
Step-by-step instructions for installing the one-bin tray.
Tray Heaters
Upper Tray Heater
Procedure for installing the upper tray heater.
Lower Tray Heater (Two-tray Model Only)
Procedure for installing the lower tray heater on two-tray models.
Tray Heaters For The Optional Paper Feed Units
Procedure for installing tray heaters on optional paper feed units.
Optional Counter Interface Unit Type A (B870-11)
Accessory Check
Lists accessories for the optional counter interface unit.
Installation Procedure
Step-by-step instructions for installing the optional counter interface unit.
DDST Unit Type F (B865)
Accessory Check
Lists accessories for the DDST unit.
Installing Expansion Component
Procedure for installing the DDST unit expansion component.
Network Interface Board (D564)
Component Check
Lists components for the network interface board.
Installing Expansion Component
Procedure for installing the network interface board expansion component.
3. Preventive Maintenance
PM Tables
Schedule and tasks for preventive maintenance based on print counts.
How to Reset the PM Counter
Procedure to reset the Preventive Maintenance counter after service.
4. Replacement and Adjustment
General Cautions
Important safety precautions before performing replacement or adjustment.
PCU (Photoconductor Unit)
Procedure for replacing the PCU and related precautions.
Laser Unit
Procedure for replacing the laser unit and its components.
Fusing Unit
Procedure for replacing the fusing unit and its components.
Paper Feed
Procedure for replacing paper feed components.
Static Electricity
Precautions for handling components to prevent static discharge.
Exterior Covers & Operation Panel
Rear Cover
Procedure for removing and reinstalling the rear cover.
Rear Lower Cover (Two-tray Models Only)
Procedure for removing the rear lower cover on specific models.
Copy Tray
Procedure for removing and reinstalling the copy tray.
Upper Covers
Procedure for removing and reinstalling the upper covers.
Left Cover
Procedure for removing and reinstalling the left cover.
Front Cover
Procedure for removing and reinstalling the front cover.
Front Right Cover
Procedure for removing and reinstalling the front right cover.
Right Rear Cover
Procedure for removing and reinstalling the right rear cover.
Right Door (Duplex Unit (B244/B269/B277))
Procedure for accessing the right door on duplex models.
By-pass Tray
Procedure for removing and reinstalling the by-pass tray.
Left Lower Cover (Two-tray Models Only)
Procedure for removing the left lower cover on two-tray models.
Right Lower Cover (Two-tray Models Only)
Procedure for removing the right lower cover on two-tray models.
Platen Cover Sensor
Procedure for replacing the platen cover sensor.
Scanner Unit
Exposure Glass/DF Exposure Glass
Procedure for removing and reinstalling exposure glass components.
Lens Block
Procedure for replacing the lens block assembly.
Lamp Stabilizer Board And Exposure Lamp
Procedure for replacing the lamp stabilizer board and exposure lamp.
Original Width/Length Sensor
Procedure for replacing the original width and length sensors.
Sensor Positions
Information on sensor position variations by region.
Sensor Positions for China Model (8K/16K)
Specific sensor position adjustments for China models.
Scanner Motor
Procedure for replacing the scanner motor.
Scanner Home Position Sensor
Procedure for replacing the scanner home position sensor.
Adjusting Scanner Positions
Instructions for adjusting scanner positions for optimal performance.
Laser Unit
Location of Caution Decal
Location of safety decals related to the laser unit.
Toner Shield Glass
Procedure for removing and reinstalling the toner shield glass.
Laser Unit
Procedure for replacing the laser unit.
LD Unit
Procedure for replacing the LD unit.
Polygonal Mirror Motor
Procedure for replacing the polygonal mirror motor.
Laser Unit Alignment Adjustment
Procedure for adjusting the laser unit alignment.
PCU Section
PCU
Procedure for removing and reinstalling the PCU unit.
Pick-off Pawls and Toner Density Sensor
Procedure for replacing pick-off pawls and toner density sensor.
OPC Drum
Procedure for replacing the OPC drum.
Charge Roller and Cleaning Brush
Procedure for replacing the charge roller and cleaning brush.
Cleaning Blade
Procedure for replacing the cleaning blade.
Developer
Procedure for replacing the developer unit.
Toner Supply Motor
Procedure for replacing the toner supply motor.
Paper Feed Section
Paper Feed Roller
Procedure for replacing the paper feed roller.
Friction Pad
Procedure for replacing the friction pad.
Paper End Sensor
Procedure for replacing the paper end sensor.
Exit Sensor
Non-Duplex Models
Procedure for exit sensor replacement in non-duplex models.
Duplex Models
Procedure for exit sensor replacement in duplex models.
Registration Roller
Registration Clutch
Procedure for replacing the registration clutch.
Registration Sensor
Procedure for replacing the registration sensor.
Relay Clutch
Relay Sensor
Procedure for replacing the relay sensor.
Image Transfer
Image Transfer Roller
Procedure for replacing the image transfer roller.
Image Density Sensor
Procedure for replacing the image density sensor.
Fusing
Fusing Unit
Procedure for replacing the fusing unit.
Thermistor
Procedure for replacing the thermistor.
Fusing Lamps
Procedure for replacing the fusing lamps.
Hot Roller Stripper Pawls
Procedure for replacing hot roller stripper pawls.
Hot Roller
Procedure for replacing the hot roller.
Thermostat
Procedure for replacing the thermostat.
Pressure Roller and Bushings
Procedure for replacing pressure roller and bushings.
NIP Band Width Adjustment
Procedure for adjusting the NIP band width.
Cleaning Roller
Procedure for replacing the cleaning roller.
Duplex Unit (Duplex Models B244/B269/B277 Only)
Duplex Exit Sensor
Procedure for replacing the duplex exit sensor.
Duplex Entrance Sensor
Procedure for replacing the duplex entrance sensor.
Duplex Inverter Sensor
Procedure for replacing the duplex inverter sensor.
Duplex Transport Motor
Procedure for replacing the duplex transport motor.
Duplex Inverter Motor
Procedure for replacing the duplex inverter motor.
Duplex Control Board
Procedure for replacing the duplex control board.
Other Replacements
Quenching Lamp
Procedure for replacing the quenching lamp.
High-Voltage Power Supply Board
Procedure for replacing the high-voltage power supply board.
BICU (Base-Engine Image Control Unit)
Procedure for replacing the BICU board.
Main Motor
Procedure for replacing the main motor.
Rear Exhaust Fan (B244/B269/B277 Only)
Procedure for replacing the rear exhaust fan on specific models.
Left Exhaust Fan
Procedure for replacing the left exhaust fan.
PSU (Power Supply Unit)
Procedure for replacing the PSU unit.
Gearbox
Replacement Procedure
Step-by-step instructions for replacing the gearbox.
Copy Adjustments Printing/Scanning
Printing
Adjustments for printing quality including registration.
Registration - Leading Edge/Side-to-Side
Adjusts leading edge and side-to-side registration for printing.
Registration: Platen Mode
Adjusts registration for platen mode scanning.
Main Scan Magnification
Adjusts magnification for main scan direction.
5. System Maintenance
Service Program Mode
Overview of the Service Program (SP) mode and its access.
How to Enter the SP Mode
Instructions on how to access the SP mode.
ID Sensor Error Analysis (SP 2221)
Analyzes ID sensor errors using SP 2221.
Display APS Data (SP 4301 1)
Displays APS sensor data using SP 4301 1.
6. Troubleshooting
Service Call Conditions
Explanation of service call levels and reset procedures.
SC Code Descriptions
Details symptoms and possible causes for various SC codes.
Electrical Component Defects
Sensors
Troubleshooting guide for sensor defects and symptoms.
Switches
Troubleshooting guide for switch defects and symptoms.
Blown Fuse Conditions
Table listing fuse ratings for power supply board.
LED Display
Description of BICU LED functions.
7. Energy Saving
Energy Save
Overview of energy saving features.
Energy Saver Modes
Details on Low Power Mode and Night/Off Mode.
Paper Save
Effectiveness of Duplex/Combine Function
Explains how duplex and combine features reduce paper and energy usage.
1. Appendix: Specifications
General Specifications
Provides overall machine specifications like configuration, process, and sizes.
Supported Paper Sizes
Lists supported paper sizes by region and detection method.
Optional Equipment
ARDF
Specifications for the Automatic Document Feeder (ARDF).
ADF
Specifications for the Automatic Document Feeder (ADF).
One-Tray Paper Tray Unit
Specifications for the one-tray paper tray unit.
Two-Tray Paper Tray Unit
Specifications for the two-tray paper tray unit.
One-Bin Tray
Specifications for the one-bin tray.
2. Appendix: Preventive Maintenance
PM Tables
Defines preventive maintenance tasks and intervals.
3. Appendix: SP Mode Tables
SP Mode Tables
Reference guide for Service Program (SP) modes and their functions.

Table of Contents