Ricoh A229 Manuals

Manuals and User Guides for Ricoh A229. We have 2 Ricoh A229 manuals available for free PDF download: Service Manual

Ricoh A229 Service Manual

Ricoh A229 Service Manual (590 pages)

Brand: Ricoh | Category: Copier | Size: 11.25 MB

Table of Contents

Table of Contents
11
Laser Safety
26
Service Tables
27
Overall Information

29
Overall Machine Information

31
- Specifications
  31
  - Copier Engine
    31
  - Adf
    34
  - Machine Configuration
    35
  - Mechanical Component Layout
    36
    
    Copier Engine
    36
    
    Adf
    38
  - Paper Path
    39
  - Copy Process
    40
  - Drive Layout
    42
    
    Copier Engine
    42
    
    Adf
    43
  - Electrical Component Description
    44
    
    Copier Engine
    44
    
    Adf
    51
Detailed Descriptions

53
- Document Feeder
  55
- Scanning
  70
- Overview
  70
  - Scanner Drive
    71
  - Original Size Detection in Book Mode
    72
- Image Processing
  74
  - Overview
    74
  - Sbu
    75
  - Auto Image Density (Ads)
    76
  - Ipu (Image Processing Unit)
    77
    
    Overview
    77
  - Image Processing Steps and Related Sp Modes
    78
  - Auto Shading
    84
    
    Black Level Correction
    84
    
    White Level Correction
    84
  - Text/Photo Area Separation
    85
    
    Edge Determination
    85
    
    Dot Screen Determination
    86
    
    Final Evaluation
    86
  - Background Erase
    87
  - Independent Dot Erase
    88
  - Filtering, Main Scan Magnification/Reduction
    90
    
    Overview
    90
    
    Filtering
    90
    
    Main Scan Magnification/Reduction
    91
  - GAMMA (Γ) CORRECTION
    92
  - Gradation Processing
    92
    
    Error Diffusion and Dithering
    93
    
    Grayscale Processing
    93
  - Line Width Correction
    94
  - Compression and Storage
    95
    
    Circuit
    95
    
    Compression
    96
    
    Image Rotation
    96
- Laser Exposure
  97
  - Overview
    97
  - Optical Path
    98
  - Auto Power Control
    99
  - Dual Beam Writing
    100
  - Laser Beam Pitch Change Mechanism
    101
  - Ld Safety Switches
    102
- Drum Unit
  103
  - Process Control
    103
    
    Overview
    103
    
    Drum Potential Sensor Calibration
    104
    
    VSG Adjustment
    104
    
    VG Adjustment
    105
    
    LD Power Adjustment
    106
    
    VREF Update
    107
  - Drum Unit Components
    108
  - Drive Mechanism
    109
  - Drum Charge
    110
    
    Overview
    110
    
    Charge Corona Wire Cleaning Mechanism
    111
  - Drum Cleaning and Toner Recycling
    112
    
    Overview
    112
    
    Drive Mechanism
    113
    
    Cleaning Blade Pressure Mechanism and Side-To-Side Movement
    114
    
    Toner Recycling and Waste Toner Collection Mechanism
    115
  - Others
    118
    
    Air Flow Around the Drum
    118
    
    Pick-Off Mechanism
    119
    
    Quenching
    120
- Development and Toner Supply
  121
  - Overview
    121
  - Development Mechanism
    122
  - Drive Mechanism
    123
  - Crossmixing
    124
  - Development Bias
    125
  - Toner Supply
    126
    
    Toner Bottle Mechanism
    126
    
    Toner Supply Mechanism
    127
    
    Toner End Detection
    128
  - Toner Density Control
    129
    
    Overview
    129
    
    Sensor Control Mode
    129
    
    Image Pixel Count Control
    130
  - Toner End Detection
    131
    
    Toner Near End
    131
    
    Toner End
    131
  - Toner End Recovery
    131
  - Abnormal Td Sensor Conditions
    132
- Image Transfer and Paper Separation
  133
  - Overview
    133
  - Image Transfer and Paper Separation Mechanism
    134
  - Transfer Belt Unit Lift Mechanism
    136
  - Paper Transportation and Belt Drive Mechanism
    137
  - Transfer Belt Cleaning Mechanism
    138
  - Toner Collection Mechanism
    139
- Paper Feed
  140
  - Overview
    140
  - Drive Mechanism
    141
  - Tray Positioning Mechanism - Trays 1 and 2
    142
  - Paper Lift Mechanism - Trays 1 and 2
    143
  - Pick-Up and Feed Mechanism - Trays 1 to 3
    145
    
    Overview
    145
    
    Pick-Up and Feed
    146
    
    Separation Roller Release Mechanism
    147
    
    Paper Skew Prevention Mechanism
    148
  - Vertical Transport Mechanism
    149
  - Paper Registration
    150
    
    Overview
    150
    
    Registration Drive Mechanism
    151
    
    Guide Plate Release Mechanism
    152
  - Paper Near-End/End Detection - Trays 1 to 3
    153
    
    Near-End Detection
    153
    
    End Detection
    153
  - Paper Size Detection - Tray 2
    154
  - Built in Lct
    155
    
    Paper Tray Lift Mechanism
    155
    
    Rev.12/15/98
    155
    
    Tray Lock Mechanism
    156
  - By-Pass Feed Table
    157
    
    Feed Mechanism/Paper End Detection
    157
    
    Table Open/Close Detection
    158
    
    Paper Size Detection
    159
  - Tandem Feed Tray
    160
    
    Overview
    160
    
    Side Fence Drive Mechanism
    161
    
    Rear Fence Drive Mechanism
    162
    
    Tray Lock Mechanism
    163
    
    Tray Lifting and Lowering Mechanism
    163
- Image Fusing
  164
  - Overview
    164
  - Fusing Entrance Guide
    165
  - Fusing Drive Mechanism
    166
  - Fusing Lamp Control
    167
- Paper Exit/Duplex
  168
  - Overview
    168
  - Paper Exit Mechanism
    169
  - Duplex Drive Mechanism
    170
  - Inverter
    171
    
    Feed-In and Jogging
    171
    
    Feed-Out
    172
  - Duplex Tray Feed Mechanism
    173
  - Basic Duplex Feed Operation
    174
    
    Up to A4 / Letter Lengthwise
    174
    
    Longer than A4 / Letter Lengthwise
    177
- Energy Saver Modes
  180
  - Overview
    180
  - Energy Saver Mode
    181
    
    Entering Energy Saver Mode
    181
    
    What Happens in Energy Saver Mode
    181
    
    Return to Stand-By Mode
    181
  - Low Power Mode
    182
    
    Entering Low Power Mode
    182
    
    What Happens in Low Power Mode
    182
    
    Return to Stand-By Mode
    182
  - Auto off Mode
    183
    
    Off Mode (Sleep Mode)
    183
    
    Weekly Timer off Mode
    184
  - Summary
    185
Installation

186
Installation Procedure

188
- Installation Requirements
  188
  - Environment
    188
  - Machine Level
    188
  - Minimum Space Requirements
    189
  - Power Requirements
    189
- Copier (A229)
  190
  - Accessory Check
    190
  - Installation Procedure
    191
- Paper Size Change
  200
  - 550-Sheet Paper Tray (Tray 2)
    200
  - 1,500-Sheet Paper Tray (Tray 3)
    201
  - Tandem Feed Tray Paper Size Change (Tray 1)
    203
  - Optional Lct
    206
  - Changing the Universal Tray Paper Size
    207
  - Accessory Check
    208
    
    Installation Procedure
    209
- 3,000-Sheet Finisher (A697)
  214
  - Accessory Check
    214
  - Installation Procedure
    215
- Punch Unit Installation (A812)
  218
  - Accessory Check
    218
  - Punch Unit Installation
    219
- Output Tray (A814)
  222
  - Acessory Check
    222
  - Output Tray Installation Procedure
    223
- Key Counter Installation
  224
Service Tables

226
- General Cautions
  228
- Drum
  228
  - Drum Unit
    228
  - Transfer Belt Unit
    229
  - Scanner Unit
    229
  - Laser Unit
    229
  - Charge Corona
    230
  - Development
    230
  - General Cautions
    230
  - Cleaning
    231
  - Fusing Unit
    231
  - Paper Feed
    231
  - Used Toner
    231
- Service Program Mode
  232
  - Service Program Mode Operation
    232
    
    Service Program Access Procedure
    232
    
    Accessing Copy Mode from Within an SP Mode
    234
    
    Service Program Mode
    234
    
    Selecting the Program Number
    235
    
    Inputting a Value or Setting for an SP Mode
    236
  - Service Program Mode Tables
    237
  - Drum
    239
  - Test Pattern Printing (Sp2-902)
    280
    
    Test Pattern Table (SP2-902-2: Test Pattern Printing - IPU)
    280
    
    Test Pattern Table (SP2-902-3: Test Pattern Printing - Printing)
    280
  - Input Check
    281
    
    Main Machine Input Check (SP5-803)
    281
  - Drum Unit
    284
    
    ADF Input Check (SP5-007)
    285
  - Output Check
    286
    
    Main Machine Output Check (SP5-804)
    286
    
    ADF Output Check (SP5-008)
    287
  - System Parameter and Data Lists (Smc Lists)
    287
  - Memory All Clear (Sp5-801)
    288
  - Software Reset
    289
  - System Setting and Copy Setting (up Mode) Reset
    289
    
    System Setting Reset
    289
    
    Copy Features Reset
    289
- Program Download
  290
  - Downloading to the SBICU
    290
  - Download from SBICU to Flash Memory Card
    292
- User Program Mode
  293
  - How to Enter and Exit up Mode
    293
  - Up Mode Table
    293
    
    System Setting Table
    293
    
    Copy Features Table
    294
  - Image Quality Setting by up Mode
    296
    
    Text Mode
    296
    
    Text/Photo Mode
    298
    
    Photo Mode
    299
    
    Pale Mode
    300
    
    Generation Mode
    301
- Test Points/Dip Switches/Leds
  302
- Dip Switches
  302
- Test Points
  302
  - Fuses
    303
  - Variable Resistors
    303
  - Leds
    304
- Special Tools and Lubricants
  304
  - Special Tools
    304
  - Lubricants
    304
  - Preventive Maintenance Schedule
    305
  - Transfer Belt Unit
    306
Replacement and Adjustment

310
- Exterior
  312
  - Front
    312
    
    Front Door
    312
    
    Replacement and Adjustment
    312
  - Right
    313
    
    Paper Feed Cover
    313
    
    Upper Right Cover
    313
    
    Lower Right Cover
    313
  - Left
    314
    
    Upper Left Cover
    314
    
    Lower Left Cover
    314
  - Rear
    315
    
    Upper Rear Cover
    315
    
    Lower Rear Cover
    315
- Document Feeder
  316
  - Cover Removal
    316
  - Feed Unit Removal and Separation Roller Replacement
    318
  - Feed Belt Replacement
    319
  - Pick-Up Roller Replacement
    320
  - Sensor Replacement
    321
    
    Entrance and Registration Sensors
    321
    
    Width Sensor
    322
    
    Exit Sensor and Inverter Sensor
    323
  - Transport Belt Replacement
    324
- Scanner Unit
  325
  - Exposure Glass
    325
  - Operation Panel
    326
  - Lens Block
    327
  - Original Size Sensors
    328
  - Exposure Lamp
    329
  - Scanner H.p Sensor
    330
  - Scanner Motor/Scanner Motor Drive Board
    331
    
    Scanner Motor
    331
    
    Scanner Motor Drive Board
    331
  - Scanner Wires
    332
    
    Rear Scanner Drive Wire
    335
    
    Front Scanner Drive Wire
    336
    
    Reinstallation
    337
  - Optics Dust Filter
    339
- Laser Unit
  340
  - Caution Decal Locations
    340
  - Ld Unit Replacement
    341
  - Laser Beam Pitch Adjustment
    342
  - Polygon Mirror Motor Replacement
    344
  - Laser Synchronization Detector Replacement
    345
  - Quenching Lamp Replacement
    347
    
    Grid Plate/Charge Corona Wire/Wire Cleaner Replacement
    348
    
    Drum Entrance Seal and Drum Potential Sensor Replacement
    350
  - Cleaning
    351
  - Cleaning Brush Replacement
    352
  - Pick-Off Pawl Replacement
    353
  - Ozone Filter Replacement
    354
  - Drum Motor Replacement
    355
    
    Toner Output and Recycling Pump Unit Replacement
    356
    
    Air Pump and Toner Collection Motor Replacement
    357
    
    Development and Toner Supply
    358
  - Development and Air Dust Filter Replacement
    360
  - Developer Replacement
    361
  - Development Entrance, Front and Rear Side Seals
    363
  - Toner Density Sensor Replacement
    364
  - Toner End Sensor Replacement
    365
  - Transfer Belt Unit
    366
  - Transfer Belt Replacement
    368
  - Bias Roller Cleaning Blade Replacement
    370
  - Paper Feed
    371
  - Paper Tray Removal
    372
    
    Universal Tray/Built-In LCT Removal
    373
  - Paper Feed Roller Replacement
    374
  - Tandem Rear Fence Drive Belt Removal
    375
  - Tandem Side Fence Motor Removal
    377
  - Rd Tray Paper Sensor Removal
    378
  - Rd Tray Lift Wire Removal
    379
  - Paper Feed Clutch/Relay Clutch Removal
    381
  - By-Pass Feed Table Removal
    384
  - By-Pass Feed Roller Replacement
    385
  - By-Pass Paper Size Board Replacement
    386
  - By-Pass Feed Motor/Clutch Removal
    388
  - Registration Motor Removal
    389
  - Paper Dust Remover Removal
    390
  - Registration Sensor Removal
    391
  - Copier Feed Unit Removal
    392
- Fusing Unit
  394
  - Fusing Unit Removal
    394
  - Fusing Thermistor and Fusing Thermofuse Replacement
    395
    
    Fusing Thermistor Replacement
    395
    
    Fusing Thermofuse Replacement
    395
  - Fusing Lamp Replacement
    396
  - Hot Roller Replacement
    398
  - Pressure Roller and Bearing Replacement
    400
  - Hot Roller Stripper Pawl Replacement
    401
  - Fusing Pressure Adjustment
    402
  - Oil Supply/Cleaning Roller Replacement
    403
  - Pressure Roller Cleaning Roller Replacement
    404
- Paper Exit/Duplex Unit
  405
  - Exit Sensor/Fusing Exit Sensor
    405
  - Jogger Motor
    406
  - Duplex Entrance Sensor
    406
  - Duplex Transport/Duplex Feed Clutches
    407
  - Duplex Transport Sensors 2 & 3
    408
  - Jogger Hp Sensor
    409
- Boards and Other Items
  410
  - Sbicu Board
    410
  - Hard Disk Drive
    411
  - I/O Board
    412
  - Psu
    413
  - Paper Feed Control Board (Pfc)
    413
- Copy Image Adjustments: Printing/Scanning
  414
  - Printing
    414
    
    Registration - Leading Edge
    414
    
    Registration - Side-To-Side
    414
    
    Blank Margin
    416
  - Parallelogram Image Adjustment
    417
  - Scanning
    419
    
    Registration: Platen Mode
    419
    
    Magnification
    419
  - Adf Image Adjustment
    420
    
    Registration
    420
- Touch Screen Calibration
  421
Troubleshooting

422
- Service Call Conditions
  424
  - Troubleshooting
    424
  - Sc Code Descriptions
    425
- Electrical Component Defects
  452
  - Sensors
    452
  - Switches
    456
- Blown Fuse Conditions
  457
Finisher A697

458
Overall Machine Information

460
- Specifications
  460
- Mechanical Component Layout
  462
- Electrical Component Layout
  463
- Electrical Component Description
  464
- Drive Layout
  466
Detailed Descriptions

467
- Tray and Stapler Junction Gate Mechanism
  467
  - Upper Tray Mode
    467
  - Sort/Stack Mode
    467
  - Staple Mode
    467
- Jogger Unit Paper Positioning Mechanism
  468
  - Horizontal Paper Alignment
    468
- Stapler Unit Movement Mechanism
  469
  - Side-To-Side
    469
  - Rotation
    469
- Stapler
  470
- Feed-Out Mechanism
  471
- Shift Tray Up/Down Mechanism
  472
- Shift Tray Side-To-Side Mechanism
  473
- Punch Unit Drive Mechanism
  474
- Punch Waste Collection Mechnism
  475
- Jam Conditions
  476
- Timing Charts
  477
Service Tables

480
- Dip Switches
  480
- Test Points
  480
- Led
  480
- Variable Resistors
  480
- Fuses
  480
Replacement and Adjustment

481
- Cover Replacement
  481
  - Rear Cover
    481
  - Upper Left Cover
    481
  - Upper Cover
    481
  - Front Door
    481
  - Left Front Cover
    481
  - Shift Tray
    482
  - Lower Left Cover
    482
  - Right Cover
    482
  - Front Shift Tray Cover
    482
  - Rear Shift Tray Cover
    482
- Positioning Roller Replacement
  483
- Alignment Brush Roller Replacement
  484
- Sensor Replacemnt
  485
  - Stack Height Sensor 1 and 2
    485
  - Upper Tray Paper Limit and Exit Sensor
    486
    
    Upper Tray Paper Limit Sensor
    486
    
    Upper Tray Exit Sensor
    486
  - Shift Tray Exit Sensor
    487
  - Entrance and Stapler Tray Entrance Sensor
    488
    
    Entrance Sensor
    488
    
    Stapler Tray Entrance Sensor
    488
  - Stapler Rotation Hp Sensor
    489
- Stapler Removal
  490
- Punch Position Adjustment
  491
  - Right to Left
    491
  - Front to Rear
    491
- Stack Feed-Out Motor Speed Adjustment
  492
Large Capacity Tray A698

494
Overall Machine Information

496
- Specifications
  496
- Mechanical Component Layout
  497
- Electrical Component Layout
  498
- Electrical Component Descriptions
  499
- Drive Layout
  500
Detailed Descriptions

501
- Tray Lift Mechanism
  502
- Paper Stack Height Detection
  504
3 Installation Procedure

505
Service Tables

505
- Replacement and Adjustment
  506
- Lower Rear Cover
  507
- Roller Replacement
  508
- Paper End Sensor Replacement
  509
- Paper Feed Sensor Replacement
  510
- Paper Position Sensor Replacement
  511
- Pick-Up Solenoid Replacement
  512
- Lift Motor Replacement
  513
- Side Fence Position Change
  514
  - Overview
    518
1 Overview

519
- Function List
  519
- Specifications
  522
Detailed Descriptions

523
2 Detailed Descriptions

524
- Sort, Staple Mode
  524
- Installation Procedure
  526
Service Tables

529
- User Program Mode
  530
- Copy Features Table
  532
Troubleshooting

534
- Overall Machine Information
  538
- Component Layout
  539
  - Drive Layout
    540
  - Electrical Component Descriptions
    541
  - Detailed Descriptions
    543
- Proof Tray Sensors
  544
- Tray Sensors
  545
- Timing Chart and Misfeed Detection
  546
  - Installation Procedure
    548
  - Installation Procedure
    549
- Bridge Unit for Mailbox (G912)
  552
  - Installation Procedure
    553
  - Replacement and Adjustment
    558
- Tray Unit
  559
- Paper Sensor, Paper Overflow Sensor and Tray Exit Sensor
  560
1 Overall Machine Information

539
- Main Control Board
  561
- Tray Exit Sensor Adjustment
  562
  - Service Tables
    564
  - Variable Resistors
    565
  - Dip Switches
    570
  - Test Points
    570

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Ricoh A229 Service Manual

Ricoh A229 Service Manual (23 pages)

Brand: Ricoh | Category: Copier | Size: 0.21 MB

Table of Contents

Overall Machine Information
11
- Mechanical Component Layout
  12
- Installation Procedure
  13
- Drive Layout
  14
  - Parts Catalog
    17
  - Paper Feed
    18
  - Paper Feed
    19

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