Ricoh FT5550 Manuals

Manuals and User Guides for Ricoh FT5550. We have 1 Ricoh FT5550 manual available for free PDF download: Service Manual

Ricoh FT5550 Service Manual (734 pages)

Brand: Ricoh | Category: Copier | Size: 16.74 MB

Ricoh Ft5540/5550/5570 Service Manual

2
- Table of Contents
  2
Troubleshooting

13
- Overall Machine Information
  14
- Specifications
  16
- Guide to Components
  19
  - Operation Panel
    21
  - Indicator Screen
    23
  - Guidance Display
    24
- Copy Processes Around the Drum
  25
- Copy Cycle
  27
- Paper Path
  28
- Drive Layout
  31
- Mechanical Component Layout
  32
- Electrical Component Layout
  33
- Electrical Component Descriptions
  38
- Overall Machine Control
  43
- Ac and DC Power Distribution
  44
- Detailed Section Descriptions
  45
Section 2

46
- Service Call Conditions
  46
- Image Fusing and Paper Exit
  48
- 1 Drum
  
  49
  - Selenium Drum Characteristics
    49
  - Handling the Drum
    49
  - Drum Heater Control
    51
- 2 Drum Charge
  
  52
  - Wire Cleaner
    53
  - Charge Corona Power Pack
    54
- 3 Optics
  
  55
  - Overview
    55
  - Exposure Lamp Control
    57
  - Scanner Drive
    58
  - Scanner Motor Control
    59
  - LENS/MIRROR Posltioning
    60
  - FOURTH and Flfth Mlrror ASSEMBLY
    63
  - Orlginal SIZE DETECTION
    65
  - Related Service Call Conditions
    65
- 4 Erase
  
  70
  - Lead Edge and Trailing Edge Erase
    71
    
    Side Erase
    71
  - Edge Erase Function
    72
  - Erase Lamp Circuit
    73
- 5 Development
  
  74
  - Overvlew
    74
    
    Overview
    74
  - Developer Exchange Unit
    75
  - DRIVE Mechanlsm
    76
  - IMAGE Denslty CONTROL
    78
  - Bias Control Circuit
    84
  - RELATED SERVICE CALL Condltions
    85
- 6 Toner Density Detection and Toner Supply
  
  86
  - Toner Supply
    86
  - Bottle Drive Mechanism
    87
  - Toner Density Detection
    88
  - Toner Density Control
    89
  - Toner Supply Amount
    90
  - Toner End Detection
    92
    
    Toner Overflow Sensor Circuit
    93
    
    Pre-Transfer Lamp (Ptl)
    94
    
    Image Transfer
    95
    
    Paper Separation
    97
    
    Transfer/Separation Corona Power Pack
    98
    
    Pick-Off Mechanism
    100
    
    Pick-Off Timing
    101
    
    Pre-Transfer Lamp and Quenching Lamp Circuit
    102
    
    Pre-Transfer Lampand Quenching Lamp Circuit
    102
- 8 Drum Cleaning
  
  103
  - Operation
    103
  - Pre-Cleaning Corona and Bias Roller
    104
    
    Drive Mechanism
    105
  - Cleaning Blade
    106
  - PRE-CLEANING CORONA Clrcuit
    108
    
    Pre-Cleaning Corona Circuit
    108
- 9 Quenching
  
  109
  - Operation
    109
  - Pre-Quenching Corona Circuit
    110
  - Paper Feed
    111
    
    Lift Mechanism and Paper End Detection
    112
    
    Roller Function
    114
    
    Slip Clutch Mechanism
    116
    
    Paper Feed Drive
    117
    
    Manual Feed
    119
    
    Relay Feed and Registration
    120
    
    Paper Size Sensors
    122
    
    Lift Motor Control and Paper End Detection
    123
- 11 Paper Transport
  
  125
  - Overview
    125
  - Transport Unit Release Mechanism
    126
  - Overview
    127
  - Fusing Drive Mechanism
    128
  - Entrance Guide
    129
  - Oil Supply and Cleaning
    130
  - Oil End Sensor
    131
  - Fusing Exit Assembly
    132
  - Fusing Control
    133
  - Service Call Conditions
    136
- 13 Paper Exit
  
  138
  - Exit Roller Drive Mechanism
    139
- 14 Duplex
  
  140
  - Inversion
    140
  - Duplex Transport
    144
  - Duplex Stacking
    147
  - Duplex Tray Sensors
    151
  - Duplex Paper Feed
    152
  - RELATED SERVICE CALL Condltlons
    155
- 15 Other Circuits
  
  156
  - DC Power Distribution
    156
  - Safety Switch Circuits
    157
  - Ac Component Control
    158
  - Corona Cleaner Motors
    159
  - Pulse Generator
    160
  - Magnetic Clutch and Solenoid Control
    161
  - Sensor Operation
    162
  - Counter Circuits
    165
Section 3

167
- 1 Installation Requirements
  
  168
  - Environment
    168
  - Minimum Space Requirements
    169
  - Machine Level
    170
  - Power Source
    170
- 2 Accessory Check
  
  171
- 3 Installation Procedure
  
  172
  - Copier Installation
    172
  - Cassette Modification
    182
  - Key Counter Holder Installation
    183
Section 4

185
- 1 Pm Table
  
  186
- 2 Service Tables
  
  189
  - Test Points
    189
  - Variable Resistors
    189
  - DIP Switch Tables
    190
  - User Code Table
    190
- 3 Service Program Mode Operation
  
  192
  - Service Program Access
    192
  - Change Adjustment Values or Modes
    192
  - Memory Clear
    193
  - Service Program Mode Table
    195
  - Language Code Table
    202
  - Special Tools and Lubricants
    203
- 5 Service Remarks
  
  204
  - Handling the Drum
    204
  - Charge Corona
    204
  - Erase Lamp
    204
  - Optics
    205
  - Development Unit
    205
  - Transfer and Separation Corona
    206
  - Cleaning Unit
    206
  - Pre-Transfer and Quenching Unit
    206
  - Fusing
    206
  - Paper Feed and Duplex
    206
  - Optional Equipment
    207
  - Handling Pcbs
    207
Section 5

209
- 1 Optics
  
  212
- 2 Development
  
  223
  - Developer Replacement
    223
  - Image Density Sensor Removal
    225
  - Toner Collection Bottle Cleaning
    226
  - Vsg Voltage Checking
    227
  - Vsg Voltage Adjustment
    228
  - Toner Supply System Checking
    229
  - Toner Density Recovery
    230
  - Fixed Supply Mode Selection
    230
  - Toner Amount Changing
    230
  - ID Pattern Bias Voltage Adjustment
    230
- 3 Cleaning
  
  231
  - Pick-Off Pawl Replacement
    231
  - Blade Cleaner and Bias Roller Blade Replacement
    234
- 4 Fusing
  
  235
  - Fusing Unit Removal
    235
  - Oil Blade Replacement
    236
  - Thermistor Replacement
    237
  - Thermofuse Replacement
    238
  - Hot Roller Stripper Replacement
    239
  - Hot Roller Replacement
    240
  - Pressure Roller Replacement
    243
  - Entrance Guide Height Adjustment
    244
  - Fusing Pressure Adjustment
    245
  - Hot Roller Temperature Adjustment
    246
  - Idling Period Selection
    246
- 5 Paper Feed
  
  247
  - Pick-Up, Paper Feed and Separation Roller Replacement
    247
  - Transport Unit Removal
    248
- 6 Duplex
  
  250
- 7 Copy Image
  
  260
  - Vertical Magnification Adjustment
    260
  - Horizontal Magnification
    261
  - Focus Adjustment
    262
  - Uneven Exposure Adjustment
    263
  - Light Lntensity Adjustment
    264
  - ADS Reference Voltage Setting
    265
  - ADS Voltage Adjustment
    266
  - ADS Operation Checking
    267
  - Erase Adjustment
    267
  - Registration Adjustment
    268
  - Side-To-Side Registration Adjustment
    269
- 8 Corona
  
  270
- 9 Others
  
  284
  - Power Supply Unit Removal
    284
    
    Main PCB Schematic (1)
    286
Section 7

293
- 1 Specifications
  
  294
- 2 Mechanical Component Layout
  
  295
- 3 Electrical Component Layout
  
  296
- 4 Overview
  
  297
- 5 Paper Feed Clutch on Timing
  
  298
- 6 Paper Size and Volume Sensors
  
  299
- 7 Lift Motor Control and Paper End Detection
  
  300
  - Lift Motor Control
    300
  - Paper End Detection
    301
- 8 Installation
  
  302
  - Accessory Check
    302
  - Installation Procedure
    303
Section 8

308
- Document Feeder
  308
- 1 Specifications
  
  309
- 2 Basic Operation
  
  310
  - Interface
    310
  - Single-Sided Original Feed
    311
  - Two-Sided Original Feed
    312
- 3 Feed-In Unit Mechanism
  
  313
- 4 Separation Mechanism
  
  314
- 5 Misfeed Prevention
  
  315
- 6 Wear Prevention
  
  316
- 7 Friction Roller Release Mechanism
  
  317
- 8 Registration
  
  318
- 9 Inverter Mechanism
  
  319
- 10 Feed-Out Mechanism
  
  320
- 11 Lift Mechanism
  
  321
- 12 Misfeed Check
  
  322
  - Accessory Check
    324
  - Installation
    324
  - Installation Procedure
    325
- 14 Replacement and Adjustment
  
  333
  - DF Belt Drive Motor Speed Adjustment
    333
Section 9

337
- 1 Specifications
  
  338
- 2 Basic Operation
  
  339
  - Clear Mode
    339
  - Sort Mode
    339
  - Stack Mode
    339
    
    Example of Sort Mode Operation
    340
- 3 Bin Drive Mechanism
  
  343
- 4 Bin Home Position
  
  344
- 5 Bins
  
  345
- 6 Electrical Control
  
  346
- 7 Installation
  
  347
  - Accessory Check
    347
  - Installation Procedure
    348
- 8 Replacement and Adjustment
  
  352
  - Bin Drive Belt Replacement
    352
  - Bin Drive Motor Replacement
    354
  - Bin Replacement
    355
  - Exit Roller Drive Motor Replacement
    356
  - Lower Exit Roller Unit and Exit Sensor Replacement
    357
Section 10

360
- Functional and Electrical Description
  
  360
- 1 Specifications
  
  361
- 2 Mechanical Component Layout
  
  362
- 3 Drive Layout and Drive Mechanism
  
  363
- 4 Electrical Component Layout
  
  364
- 5 Functional and Electrical Description
  
  365
  - Paper Size Change and Detection
    367
  - Paper Volume Detection
    368
  - Cover Safety Switch
    369
- 6 Installation
  
  370
  - Accessory Check
    370
  - Installation Procedure
    371
  - Tray Operation
    374
- 7 Replacement and Adjustment
  
  375
  - Tray down Sensor and Positioning Switch Replacement
    375
  - Paper Size Sensor Replacement
    377
  - Tray Wire Replacement
    378
  - Paper Volume Cord Replacement
    381
  - Side Registration Adjustment
    383
Section 11

386
- 1 Specifications
  
  387
- 2 Electrical Component Layout
  
  388
- 3 Functional and Electrical Operation
  
  389
  - Tray Operation
    389
- 4 Installation
  
  391
  - Accessory Check
    391
  - Installation Procedure
    392
Section 12

399
- 1 Specifications
  
  400
- 2 Overall Machine Control
  
  401
- 3 Data Format
  
  402
- 4 Basic Operation
  
  403
  - Menu Reader Indicator Lights
    405
  - Processing Errors
    406
- 5 Installation
  
  407
  - Accessory Check
    407
  - Installation Procedure
    408
- 6 Replacement and Adjustment
  
  410
  - Lower Transport Roller Replacement
    410
  - Defective Sensor Table
    412
  - Service Call Conditions
    413
- Defective Sensor Table
  
  420
Section 14

425
- Bin Sorter
  
  425
- 1 Specifications
  
  426
- 2 Mechanical Component Layout
  
  427
- 3 Drive Layout
  
  428
- 4 Electrical Component Layout
  
  429
- 5 Electrical Component Descriptions
  
  430
- 6 Basic Operation
  
  431
  - Clear Mode
    431
  - Sort Mode
    431
  - Stack Mode
    431
- 7 Functional and Electrical Description
  
  435
  - Power Supply
    435
  - Bin Gate Operation
    436
  - Relay Guide Plate Reset Mechanism
    437
  - Interface with the Copier
    438
  - Jam Sensors
    440
  - Inlet Sensor
    441
  - Misfeed Check
    442
  - Misfeed Check
    443
  - Accessory Check
    444
  - Installation
    444
  - Installation Procedure
    445
- 9 Service Tables
  
  450
- 10 Replacement and Adjustment
  
  452
  - Inlet Sensor Replacement
    453
  - Sorter Removal
    453
  - Jam Sensor Replacement
    454
  - Sponge Roller Replacement
    455
  - DC Motor Replacement
    457
Table of Contents

459
- Location of Unit
  460
- Exterior (5897)
  461
- Paper Stock Section (5897)
  463
- Drive Section (5897)
  465
- Tray Control Board (5897)
  467
- Harness Layout (5897)
  469
- Main DC Harness (5897)
  471
- Motor Harness (5897)
  473
- Tray DC Harness (5897)
  476
- Decal (5897)
  477
- Parts Index
  479
Table of Contents

488
- Exterior 1 (A045/A)
  495
- Exterior 2 (A045/A)
  497
- Optics 3 (A045/A)
  503
- Platen Cover and Cassette (A045/A)
  505
- Paper Feed Unit 1 (A045/A)
  507
- Paper Feed Unit 2 (A045/A)
  509
- Duplex Section 1 (A045/A)
  511
- Duplex Section 2 (A045/A)
  513
- Duplex Section 3 (A045/A)
  515
- Invertor Section 1 (A045/A)
  517
- Invertor Section 2 (A045/A)
  519
- Development 1 (A045/A)
  521
- Development 2 (A045/A)
  523
- Transfer and Separation (A045/A)
  525
- Drum Section 1 (A045/A)
  527
- Drum Section 2 (A045/A)
  529
- Cleaning Unit 1 (A045/A)
  531
- Fusing Unit 1 (A045/A)
  535
- Fusing Unit 2 (A045/A)
  537
- Operation Panel (A045/A)
  539
- Electrical Section 1 (A045/A)
  543
- Electrical Section 2 (A045/A)
  545
- Electrical Section 3 (A045/A)
  547
- Main Control Board (A045/A)
  549
- Optics Board (A045/A)
  551
- Ac Drive Board (A045/A)
  555
- Harness Layout Front View (A045/A)
  557
- DC Harness (A045/A)
  559
- Lens Housing Harness (A045/A)
  563
- Lens Home Sensor Harness (A045/A)
  565
- Paper Feed Unit Harness (A045/A)
  567
- Ac Drive Board Harness (A045/A)
  569
- Power Pack Harness (A045/A)
  571
- Transport Unit Harness (A045/A)
  573
- Safety Switch Harness (A045/A)
  575
- Lift Motor Harness (A045/A)
  577
- Duplex Entrance Harness and Toner End Sensor Harness (A045/A046)
  584
- Duplex Stopper Solenoid Harness, Inverter Guide Entrance Harness and Led Sensor Harness (A045/A046)
  586
- Transport Sensor Harness and Home Sensor Harness (A045/A046)
  588
- Special Tool (A045/A046)
  590
- Decal and Document (A045/A046)
  592
- Parts Index
  598
Table of Contents

633
- Location of Unit
  634
- 1 MIDI Sorter I (A411)
  
  635
- 3 Sorter Board (A411)
  
  640
- 4 Sorter Harness (A411)
  
  641
  - Parts Index
    643
Table of Contents

669
- Location of Unit
  670
  - Vertical Transport (A420)
    671
  - Exterior (A420)
    673
  - Paper Feed Section (A420)
    675
  - Rd Paper Feed Section (A)
    678
  - Th Paper Feed Section (A420)
    679
  - Print Board - Paper Bank (A420)
    681
  - Harness Layout (A420)
    683
  - Vertical Transport Harness (A420)
    685
  - Front Paper Bank Harness (A420)
    687
- Main Paper Bank Harness (A420)
  689
- Rear Paper Bank Harness (A420)
  691
- Decal (A420)
  694
- Parts Index
  695
  - Location of Unit
    705
  - Exterior and Drive Section (A421)
    706
  - Tray Main Board (A421)
    710
  - Harness Layout (A421)
    712
  - Main DC Harness (A421)
    714
  - AC Harness (A421)
    716
  - Tray DC Harness (A421)
    718
  - Decal (A421)
    720
  - Parts Index
    722

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Ricoh FT5550 Service Manual (734 pages)

Table of Contents

Ricoh Ft5540/5550/5570 Service Manual

Troubleshooting

Section 2

1 Drum

2 Drum Charge

3 Optics

4 Erase

5 Development

6 Toner Density Detection and Toner Supply

8 Drum Cleaning

9 Quenching

11 Paper Transport

13 Paper Exit

14 Duplex

15 Other Circuits

Section 3

1 Installation Requirements

2 Accessory Check

3 Installation Procedure

Section 4

1 Pm Table

2 Service Tables

3 Service Program Mode Operation

5 Service Remarks

Section 5

1 Optics

2 Development

3 Cleaning

4 Fusing

5 Paper Feed

6 Duplex

7 Copy Image

8 Corona

9 Others

Section 7

1 Specifications

2 Mechanical Component Layout

3 Electrical Component Layout

4 Overview

5 Paper Feed Clutch on Timing

6 Paper Size and Volume Sensors

7 Lift Motor Control and Paper End Detection

8 Installation

Section 8

1 Specifications

2 Basic Operation

3 Feed-In Unit Mechanism

4 Separation Mechanism

5 Misfeed Prevention

6 Wear Prevention

7 Friction Roller Release Mechanism

8 Registration

9 Inverter Mechanism

10 Feed-Out Mechanism

11 Lift Mechanism

12 Misfeed Check

14 Replacement and Adjustment

Section 9

1 Specifications

2 Basic Operation

3 Bin Drive Mechanism

4 Bin Home Position

5 Bins

6 Electrical Control

7 Installation

8 Replacement and Adjustment

Section 10

Functional and Electrical Description

1 Specifications

2 Mechanical Component Layout

3 Drive Layout and Drive Mechanism

4 Electrical Component Layout

5 Functional and Electrical Description

6 Installation

7 Replacement and Adjustment

Section 11

1 Specifications