Ricoh A-P4 Manuals

Manuals and User Guides for Ricoh A-P4. We have 1 Ricoh A-P4 manual available for free PDF download: Service Manual

Ricoh A-P4 Service Manual

Ricoh A-P4 Service Manual (381 pages)

G147

Brand: Ricoh | Category: Printer | Size: 9.76 MB

Table of Contents

Service Manual
1
Conventions Used in this Manual
2
Safety Instructions
4
Safety Instructions for Toner and Ink
9
Safety Precautions for this Machine
11
- Laser Safety
  11
- Caution Labels
  11
- Lithium Batteries (Memory Back-Up)
  11
- Table of Contents
  12
1 Installation

22
- Cautions
  22
- Installation Requirements
  23
  - Environment
    23
  - Machine Level
    23
  - Minimum Space Requirements
    23
  - Power Requirements
    24
- Main Machine Installation
  26
  - Installation Overview
    26
  - Installation Flowchart
    27
- Lct (B543)
  28
  - Accessory Check: LCT
    28
  - Installation Procedure: LCT
    28
- Bridge Unit (B538)
  31
  - Accessory Check: Bridge Unit
    31
  - Installation Procedure: Bridge Unit
    31
- Two-Tray Finisher (G838)
  36
  - Accessory Check: Two Tray Finisher
    36
  - Installation Procedure: Two-Tray Finisher
    36
- Punch Unit (B377)
  40
  - Accessory Check: Punch Unit
    40
  - Installation Procedure: Punch Unit
    40
- Data Overwrite Security Unit (B735)
  44
  - Before You Begin
    44
  - Seal Check and Removal
    44
  - Installation Procedure: DOS Unit
    45
- Controller Options
  48
  - Boards and Slots
    48
  - Installing SD Cards
    49
  - Merging Applications on One SD Card
    50
    
    Location of SD Card Slots
    50
    
    Merging Applications
    51
    
    Undo Merging
    52
  - Installing Controller Options
    53
    
    MB Memory (G818) or 128 MB Memory (B584)
    53
    
    Ieee 1284 (B679)
    55
    
    IEEE 802.11B Interface Kit (G813)
    56
    
    USB Host Interface Unit Type 7300 (G819)
    58
2 Preventive Maintenance

60
- PM Tables
  60
  - PM Tables for the Printer
    60
  - PM Tables for Options
    63
- Lubrication
  64
3 Replacement and Adjustment

66
- Precautions
  66
  - General Precautions
    66
  - Laser Unit Precautions
    66
- Special Tools and Lubricants
  67
  - Special Tools
    67
  - Lubricants
    67
- Covers and Common Procedures
  68
  - Front Door
    68
  - Duplex Unit
    68
  - Right Upper Cover
    69
  - By-Pass Tray Unit
    70
  - Rear Covers
    71
    
    Rear Upper Cover
    71
    
    Rear Lower Cover
    71
  - Left Covers
    72
- Operation Panel
  73
- Paper Output Tray
  74
- Laser Unit
  76
  - Caution Decal Locations
    76
  - Laser Unit Removal
    77
  - Polygon Mirror Motor
    78
  - Laser Synchronization Detector
    79
  - LD Unit
    80
    
    LD Unit Replacement
    80
    
    Laser Beam Pitch Adjustment
    80
- Pcdu
  83
  - Photoconductor Cleaning/Development Unit
    83
  - Drum
    84
  - Pick-Off Pawls
    85
  - Charge Roller and Cleaning Roller
    86
  - Drum Cleaning Blade
    88
  - ID Sensor
    88
- Development
  90
  - Development Unit
    90
  - Development Filter
    91
  - Development Roller
    91
  - Developer
    92
  - TD Sensor
    94
- Transfer Unit
  96
- Paper Feed
  99
  - Pick-Up, Separation, and Feed Rollers
    99
  - Lower Right Cover
    99
  - Relay/Upper Paper Feed and Lower Paper Feed Clutches
    100
  - Upper Paper Feed Unit for Tray 1
    101
  - Lower Paper Feed Unit for Tray 2
    102
  - Paper End/Paper Height/Relay Sensors
    104
  - Registration Sensor
    104
  - Tray Lift Motor
    108
  - Feed/Development Motor
    109
  - Idle Roller Dust Blade
    111
  - Registration Roller Dust Blade
    111
- Fusing Unit
  113
  - Fusing Unit Removal
    113
  - Fusing Unit Exit Guide
    114
  - Hot Roller Strippers
    114
  - Fusing Lamps
    115
  - Thermistors and Thermostats
    117
  - Hot Roller/Pressure Roller
    118
- By-Pass Tray
  121
  - Covers
    121
  - By-Pass Paper Feed and Pick-Up Roller Replacement
    122
  - By-Pass Separation Roller
    123
  - Paper End Sensor, Pick-Up Solenoid
    124
  - Paper Size Sensor Board
    125
  - By-Pass Table Removal
    126
  - Paper Feed Clutch
    126
- Duplex Unit
  128
  - Duplex Cover Removal
    128
  - Duplex Entrance Sensor
    129
  - Duplex Exit Sensor
    130
- Drive Mechanisms
  131
  - Registration Clutch, Transfer Belt Contact Clutch
    131
  - Main Motor
    132
  - Fusing/Exit Motor
    133
  - Toner Supply Motor
    135
- Boards
  137
  - Nvram
    137
    
    Uploading NVRAM Data (SP5-824)
    137
    
    Replacing NVRAM
    138
    
    Downloading NVRAM Data (SP5825)
    139
  - Hvps
    141
  - Iob
    142
  - BICU Board
    143
  - Psu
    143
  - HDD and Controller Board
    144
- Parallelogram Image Adjustment
  146
4 Troubleshooting

148
- Service Call Conditions
  148
  - SC Code Descriptions
    148
- Electrical Component Defects
  177
  - Sensors
    177
  - Switches
    178
  - Blown Fuse Conditions (PSU)
    179
  - BICU Leds
    179
  - Controller Board Test Points
    179
5 Service Tables

182
- Service Program Mode Operation
  182
  - General Notes
    182
  - Entering and Leaving the Service Program Mode
    182
  - Printer Controller Service Mode
    183
    
    Controller Service Mode Menus
    183
    
    Bit Switch Programming
    183
    
    Printer Controller Bit Switch Settings
    184
  - Printer Engine Service Mode
    185
  - Leaving the SP Mode
    186
- Service Program Mode Tables
  187
  - Service Table Key
    187
  - Service Tables
    187
    
    SP1-XXX: Feed
    187
    
    SP2-XXX: Drum
    192
    
    SP3-XXX: Process
    204
    
    SP5-XXX: Mode
    207
    
    SP6-XXX: Peripherals
    239
    
    SP7-XXX: Data Log
    239
    
    SP8XXX: Data Log 2
    245
- Test Pattern Printing
  261
  - Selecting the Test Pattern
    261
  - Printing the Test Pattern
    262
  - SP2902-03 Printing Test Patterns
    263
- Input Check
  265
- Output Check
  271
- Memory Clear: SP5801
  275
- SMC Report
  277
- Updating the Firmware
  279
- Uploading/Downloading NVRAM Data
  285
  - Uploading NVRAM Data
    285
  - Downloading NVRAM Data
    286
- Self-Diagnostic Mode
  288
  - Self-Diagnostic Mode at Power on
    288
  - Self-Diagnostic Test Flow
    289
  - Detailed Self-Diagnostic Mode
    290
- DIP Switches
  291
  - Controller: DIP SW2
    291
  - I/O Board: DIP SW101
    291
- Using Debug Log
  292
  - Setting up "Save Debug Log
    292
    
    To Switch Debug Log on
    292
    
    To Select the Target for the Debug Log File
    293
    
    To Select Events
    294
    
    To Select One or more Memory Modules for Recording in the Debug Log File
    296
  - Retrieving the Debug Log from the HDD
    298
  - More about Debug Log
    299
    
    SP5857-015: SD to SD (Any)
    299
    
    SP5857-016: Make HDD Logfile
    299
    
    SP5857-017: Make SD Log File
    299
6 Details

300
- Machine Overview
  300
  - Component Layout
    300
  - Paper Path
    301
  - Drive Layout
    302
- Board Layout
  304
  - Board Block Diagram
    304
  - Controller Block Diagram
    306
- Printing Process Overview
  309
- Laser Exposure
  311
  - Laser Exposure Overview
    311
  - Auto Power Control (APC)
    312
  - Dual-Beam Writing
    312
  - Laser Beam Pitch Change Mechanism
    313
  - LD Safety Switches
    314
- Photoconductor Unit (PCDU)
  315
  - Overview of the PCDU
    315
  - Drum Drive Mechanism
    316
  - Drum Pawls
    316
  - Drum Toner Seals
    317
  - New PCDU Unit Detection
    317
    
    New Unit Detection Mechanism
    317
    
    What Happens When a New Unit Is Detected
    319
- Drum Charge
  320
- Development
  325
  - Overview of Development
    325
  - Drive Mechanism
    326
  - Developer Mixing
    326
  - Development Bias
    327
    
    Development Bias Mechanism
    327
    
    Correction for Paper Width and Thickness (By-Pass Tray Only)
    327
  - Toner Supply
    329
    
    Toner Bottle Replenishment Mechanism
    329
    
    Toner Supply Mechanism
    330
    
    Toner Density Control
    330
    
    Sensor Control Mode
    331
    
    TD Sensor
    331
    
    ID Sensor
    331
    
    Image Pixel Count Mode
    331
  - Toner Near End/End Detection
    332
    
    Standard Method for Toner Near-End/End Condition Detection
    332
    
    Adjustable Near-End Warning Method
    332
  - Toner End Recovery
    332
  - Toner Supply with Abnormal Sensors
    333
- Drum Cleaning and Toner Recycling
  334
  - Drum Cleaning
    334
  - Toner Recycling
    335
- Paper Feed
  336
  - Overview of Paper Feed
    336
  - Paper Feed Drive
    337
  - Pick-Up and Separation Roller Release Mechanism
    337
  - Paper Lift
    338
  - Paper End Detection
    339
  - Paper Registration
    340
  - Paper Size Detection
    340
  - Paper Height Detection
    341
- By-Pass Tray
  343
  - Overview of By-Pass Tray
    343
  - By-Pass Tray Operation
    344
  - By-Pass Paper Size Detection
    345
- Duplex Unit
  346
  - Overview of Duplex Unit
    346
  - Duplex Drive Layout
    347
  - Duplex Basic Operation
    347
    
    Paper Length Longer than A4/LT SEF
    347
    
    Paper Length up to A4/LT SEF
    348
  - Duplex Unit Feed in and Exit Mechanism
    349
    
    Paper Feed into Duplexer
    349
    
    Paper Inversion and Exit from Duplexer
    350
- Image Transfer and Paper Separation
  351
- Image Fusing and Paper Exit
  359
  - Overview Image Fusing and Paper Exit
    359
  - Fusing Drive
    360
  - Fusing Drive Release Mechanism
    360
  - Fusing Entrance Guide Shift Mechanism
    361
  - Exit Guide Plate and De-Curler Rollers
    362
  - Pressure Roller
    362
  - Cleaning Mechanism
    363
  - Fusing Temperature
    363
    
    Fusing Temperature Components
    363
    
    Fusing Temperature Control
    364
    
    Fusing Idling Temperature
    365
    
    Overheat Protection
    365
- Energy Save Mode
  366
7 Specifications

368
- Printer
  368
  - Printer Hardware Specifications
    368
  - Supported Paper Sizes
    370
  - Software Accessories
    372
    
    Printer Drivers
    372
    
    Utility Software
    373
  - System Configuration
    374
  - Installable Option Table
    375
- Option Specifications
  376
  - Bridge Unit Type 2045 (B538)
    376
  - Finisher 3000 SR3040 (G838)
    376
  - Lcit Rt45 (B543)
    377
  - Paper Feed Unit PB3020 (G839)
    378

Advertisement

Advertisement

Related Products

Ricoh Categories

All in One Printer

All in One Printer

Printer

Digital Camera

Digital Camera Copier Printer Accessories

More Ricoh Manuals