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2212
Service manual
Ricoh 2212 Service Manual
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:
Operating instructions manual
(880 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Service Manual
Laser Safety
Table of Contents
1 Overall Machine Information
Specifications
Machine Configuration
System Components
Installable Option Table
Copier Options
Fax Option
Printer/Scanner Options
Paper Path
Mechanical Component Layout
Electrical Component Descriptions
Electrical Component Layout
Electrical Component Description
Drive Layout
Copy Process
Overview
Board Structure
Overview
Controller
2 Detailed Section Descriptions
Scanning
Overview
Scanner Drive
Original Size Detection in Platen Mode
Image Processing
Overview
Sbu (Sensor Board Unit)
Auto Image Density
Ipu (Image Processing Unit)
Overview
Image Processing Modes
Image Processing Path
Overview
SP Modes for each Image Processing Step
Text Mode
Photo Mode
Text/Photo Mode
Pale Mode
Generation Copy
Auto Shading
Pre-Filtering
Main Scan Magnification/Reduction
Mirroring for ADF Mode
Characteristic Detection
Filtering
Overview
MTF Filter
Smoothing Filter
Characteristic Filter
Independent Dot Erase
Background Erase
Gradation Processing
Overview
Grayscale Processing
Binary Picture Processing
Error Diffusion
Dithering
Line Width Correction
Video Control Unit (Vcu)
Fine Character and Image (FCI)
Laser Exposure
Overview
Auto Power Control (Apc)
Ld Safety Switch
Photoconductor Unit (Pcu)
Overview
Drive
New Pcu Detection
Drum Charge
Overview
Charge Roller Voltage Correction
Correction for Environmental Conditions
ID Sensor Pattern Production Timing
Drum Charge Roller Cleaning
Development
Overview
Drive
Developer Mixing
Development Bias
Toner Supply
Toner Bottle Replenishment Mechanism
Toner Supply Mechanism
Toner Density Control
Overview
Toner Density Sensor Initial Setting
Toner Density Measurement
Vsp/Vsg Detection
Toner Supply Reference Voltage (Vref) Determination
Toner Supply Determination
Toner Supply Motor on Time Determinations
Toner Supply in Abnormal Sensor Conditions
ID Sensor
TD Sensor
Toner Near End/End Detection and Recovery
Toner Near End Detection
Toner Near End Recovery
Toner End Detection
Toner End Recovery
Drum Cleaning and Toner Recycling
Drum Cleaning
Toner Recycling
Paper Feed
Overview
Paper Feed Drive Mechanism
Paper Feed and Separation Mechanism
Paper Lift Mechanism
Paper End Detection
Paper Height Detection
Feed Pressure Adjustment for Paper Size
Overview
Paper Size Thresholds
Feed Pressure Adjustment
Effect of the Amount of Remaining Paper
From Tray Full to Paper Near-End
From Paper Near End to Paper End
Paper Size Detection
Special Paper Setting
Side and End Fences
Side Fences
End Fence
Paper Registration
Image Transfer and Paper Separation
Overview
Image Transfer Current Timing
Transfer Roller Cleaning
Paper Separation Mechanism
Image Fusing and Paper Exit
Overview
Fusing Drive and Release Mechanism
Fusing Entrance Guide Shift Mechanism
Pressure Roller
Cleaning Mechanism
Fusing Temperature Control
Temperature Control
Fusing Lamp Control
Overheat Protection
Paper Exit
Energy Saver Modes
Overview
Energy Saver Mode
Entering the Energy Saver Mode
What Happens in Energy Saver Mode
Return to Stand-By Mode
Auto off Mode
Entering off Stand-By and off Modes
Off Stand-By Mode
Off Mode
Returning to Stand-By Mode
3 Installation Procedure
Installation Requirements
Environment
Machine Level
Minimum Space Requirements
Power Requirements
Copier Installation
Power Sockets for Peripherals
Installation Flow Chart
Accessory Check
Installation Procedure
Paper Tray Unit Installation
Accessory Check
Installation Procedure
Lct Installation
Accessory Check
Installation Procedure
Auto Reverse Document Feeder Installation
Accessory Check
Installation Procedure
Interchange Unit Installation
Component Check
Installation Procedure
1-Bin Tray Unit Installation
Component Check
Installation Procedure
Shift Tray
Component Check
Installation Procedure
By-Pass Feed Unit Installation
Components Check
Installation Procedure
Duplex Unit Installation
Accessory Check
Installation Procedure
Bridge Unit Installation
Accessory Check
Installation Procedure
1,000-Sheet Finisher Installation
Accessory Check
Installation Procedure
500-Sheet Finisher Installation
Accessory Check
Installation Procedure
Platen Cover Installation
Memory (G578/G579)
Hdd (B420)
Key Counter Installation
Anti-Condensation Heater
Tray Heater
Tray Heater (Optional Paper Tray Unit)
Tray Heater (Optional Lct)
4 Service Tables
General Caution
Pcu (Photoconductor Unit)
Transfer Roller Unit
Scanner Unit
Laser Unit
Fusing Unit
Paper Feed
Others
Service Program Mode
Service Program Mode Operation
Entering and Exiting SP Mode
SP Mode Button Summary
Switching between SP Mode and Copy Mode for Test Printing
Selecting the Program Number
Service Program Mode Tables
SP1-XXX: Feed
SP2-XXX: Drum
SP4-XXX: Scanner
SP5-XXX: Mode
SP6-XXX: Peripherals
SP7-XXX: Data Log
Tray Shift
SP9-XXX: Debug/Testing
Test Pattern Printing (Sp2-902-3)
Input Check
Main Machine Input Check (SP5-803)
ARDF Input Check (SP6-007)
Original Trailing Edge Sensor
Finisher Input Check (SP6-117)
Output Check
Main Machine Output Check (SP5-804)
Paper Feed Clutch
ARDF Output Check (SP6-008)
Finisher Output Check (SP6-118)
Stamp
Smc Data Lists (Sp5-990)
Memory All Clear (Sp5-801)
Using a Flash Memory Card
Without Using a Flash Memory Card
Replacement and Adjustment
Uploading/Downloading Nvram Data
Uploading NVRAM Data (SP5-824)
Downloading NVRAM Data (SP5-825)
Aps Output Display (Sp4-301)
Df Aps Sensor Output Display (Sp6-901)
Nip Band Width Measurement (Sp1-109)
Program Download
Software Reset
System Settings and Copy Setting Reset
System Setting Reset
Copier Setting Reset
User Tools
System Settings
Copier/Document Server Features
Printer, Facsimile, Scanner Settings
Inquiry
Counter
Leds
Controller
Sbcu
Ipu
Dip Switches
Controller: DIP SW2
Sbcu: Dip Sw102
Special Tools and Lubricants
Special Tools
Lubricants
5 Preventive Maintenance Schedule
Pm Table
6 Replacement and Adjustment
Scanner Unit
Exposure Glass
Scanner Exterior/Operation Panel
Left Cover
Lens Block Assembly
Original Size Sensors
Exposure Lamp
Scanner Motor/Lamp Stabilizer
Scanner Wires
Laser Unit
Caution Decal Locations
Laser Unit
Polygon Mirror Motor
Ld Unit
Laser Synchronization Detector
Photoconductor Unit (Pcu)
Pcu
Transfer Unit
Transfer Roller Unit
Image Density Sensor
Thermistors
Fusing/Exit
Thermofuse
Hot Roller and Fusing Lamp
Pressure Roller/Cleaning Roller
Paper Exit Sensor/Paper Overflow Sensor
Paper Feed
Feed Rollers
Paper End Sensor
Paper Tray Lift Motors
Registration Clutch
Paper Feed Clutches
Lower Paper Feed Clutch
Upper Paper Feed Clutch
Relay Clutches
Paper Size Detector
Registration Sensor
Relay Sensors
Upper Relay Sensor
Lower Relay Sensor
Pcbs and Other Items
Controller Board
Sbcu Board
Main Motor
Psu
Copy Adjustments: Printing/Scanning
Printing
Registration - Leading Edge/Side-To-Side
Blank Margin
Main Scan Magnification
Parallelogram Image Adjustment
Scanning
Registration: Platen Mode
Magnification
Standard White Density Adjustment
Adf Image Adjustment
Registration
Sub Scan Magnification
Touch Screen Calibration
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Service Manual
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Specifications
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Model R-C2a/b
(Machine Code: B022/B027)
SERVICE MANUAL
August 10th, 2001
Subject to change
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