Ricoh FT4460 Manuals

Manuals and User Guides for Ricoh FT4460. We have 1 Ricoh FT4460 manual available for free PDF download: Service Manual

Ricoh FT4460 Service Manual (413 pages)

Brand: Ricoh | Category: All in One Printer | Size: 12.12 MB

Ricoh

2
- Table of Contents
  2
Table of Contents

7
Troubleshooting

16
Section 1

20
- Specifications
  
  21
  - Main Copier, Ft4460
    21
- Operation Panel
  
  24
- Copy Processes Around the Drum
  
  29
- Functional Operation
  
  30
- Paper Path
  
  31
  - Primary Paper Path
    32
  - Multi Duplex Copy Path
    34
  - Single Overlay Copy Path
    35
  - Multi Overlay Copy Path
    36
- Drive Layout
  
  37
- Mechanical Component Layout
  
  38
- Electrical Component Layout
  
  40
- Electrical Component Descriptions
  
  42
  - Printed Circuit Boards
    45
- Ac and DC Power Distribution
  
  47
- Overall Machine Control
  
  48
Drive Mechanism

50
- Error Detection
  51
- Paper Feed
  52
- Image Fusing and Paper Exit
  
  53
- Drum
  
  54
  - Opc Drum Characteristics
    54
  - Handling the Drum
    55
  - Drum Unit
    56
- Drum Charge
  
  57
  - Overview
    57
  - Charge Corona Unit
    58
  - Charge Corona Power Pack
    59
  - Charge Corona Wire Cleaner Mechanism
    60
- Optics
  
  61
  - Overview
    61
  - Scanner Drive
    62
    
    1St and 2Nd Scanner Drive Mechanism
    62
  - Scanner Motor Drive
    63
  - Lens Drive
    64
    
    Shading Mechanism
    64
  - Lens Positioning
    65
  - 3Rd Scanner Drive
    66
    
    Drive
    66
    
    Positioning
    66
  - Stepper Motor Control
    67
  - Red Erase Mechanism
    68
  - Automatic Image Density Sensing
    69
  - Automatic Original Size Detection
    70
  - Exposure Lamp Voltage Correction
    71
    
    Manual Image Density Correction
    71
    
    Size Magnification Correction
    71
    
    Drum Rotation Correction
    72
    
    Drum Sensitivity Correction (Vr Correction)
    72
    
    ADS Correction (SP Mode #34)
    73
    
    Photo Mode Correction
    73
    
    Pre-Scan Correction
    73
    
    Red Erase Mode Correction
    73
  - EXPOSURE LAMP CONTROL Clrcult
    74
  - Service Call Conditions
    75
- 4 Erase
  
  77
  - Overview
    77
  - Lead Edge Erase
    78
    
    Side Erase
    78
    
    Special Mode Erase
    79
    
    Trailing Edge Erase
    79
  - Erase Lamp Circuit
    80
  - Erase Timing
    81
- 5 Development
  
  82
  - Overview
    82
  - Development Unit Change Mechanism
    83
  - Development Unit Support Mechanism
    84
  - DRIVE MECHANISM (Black)
    85
  - DRIVE MECHANISM (Color)
    86
  - Toner Supply and Agitator Drive Mechanism
    88
  - Toner Density Detection
    89
  - Toner Density Control
    90
  - TONER END DETECTION (Black)
    91
    
    Color
    92
  - ID SENSOR SUPPLY CONTROL (Black Only)
    93
  - ID Sensor Toner Supply Level
    94
  - ID Sensor Supply Control in Fixed Supply Mode
    95
  - Toner Supply Amount (Fixed Supply Mode)
    97
  - ID Sensor Error Detection
    98
  - DEVELOPMENT Blas CONTROL
    99
    
    Auto Image Density Bias Control
    99
    
    Manual Bias Control
    99
    
    Bias Correction
    100
    
    SP Mode Correction
    100
    
    Vr Correction
    100
    
    ID Sensor Bias Compensation
    101
    
    Standard Bias
    101
    
    Vp Correction
    101
    
    Developer Counter Correction
    102
    
    Total Ld Sensor Bias
    102
- 6 Image Transfer
  
  103
  - Pre-Transfer Lamp (Ptl)
    103
  - Paper Separation and Transport
    104
    
    Paper Transport
    104
  - Ptl and T/S Charge Circuit
    105
- 7 ID Sensor
  
  106
  - ID SENSOR IMAGE CORRECTION (Vr Pattern)
    106
  - ID SENSOR PATTERN (Vsp)
    108
- 8 Drum Cleaning
  
  109
  - Overview
    109
  - Drive Mechanism
    110
  - Release Mechanism
    111
  - Toner Overflow Detection
    112
- 9 Paper Feed and Registration
  
  113
  - Overview
    113
  - Frr Feed System
    114
    
    Feed and Separation Rollers
    114
    
    Pick-Up Roller
    114
    
    Friction Pad Feed System
    115
    
    PAPER Llft Mechanlsm (1St Feed Station)
    116
    
    PAPER Llft Mechanlsm (2Nd and 3Rd Feed Stations)
    117
    
    Paper Size and End Detection
    118
    
    Paper Feed Registration Drive Mechanism
    120
  - Manual Feed Table
    121
  - Paper Feed Timing
    122
    
    Servlce CALL CONDITION
    123
- 10 Image Fusing and Paper Exit
  
  124
  - Overview
    124
  - Fusing Drive Release Mechanism
    125
  - Fusing Control
    126
  - Phase Control
    127
  - Service Call Conditions
    128
- 11 Duplex/Overlay Mechanism
  
  129
  - Overview
    129
  - Drive Mechanism
    130
  - Jogger Mechanism
    131
  - Slngle DUPLEX/OVERLAY TIMING
    132
- 12 Others
  
  133
  - Paper Misfeed Check
    133
  - SERVICE CALL Condltions (Others)
    135
Table of Contents

139
- Environment
  140
- Installation Requirements
  140
- Machine Level
  141
- Minimum Space Requirements
  141
- Power Requirements
  142
- Copier Installation
  143
  - Accessory Check
    143
  - Removal of Shipping Retainers and Tape
    143
  - Installation Procedure
    143
  - For Areas Where the Voltage Is 240V
    153
  - Developer Conditioning
    154
  - Cassette Modification
    156
  - Key Counter Holder Installation (Option)
    157
Service Tables

159
- Preventive Maintenance Schedule
  
  160
- 1 Service Tables
  
  161
  - Test Points
    161
  - Dip Switches
    162
  - Variable Resistors
    162
- 2 Service Remarks
  
  164
  - Drum
    164
  - Charge Corona
    164
  - Optics
    165
  - Development Unit
    166
  - Toner Supply
    166
  - TRANSFER and SEPARATION
    167
  - Cleaning Unit
    167
  - Fusing Unit
    167
  - Paper Feed
    167
  - Document Feeder
    168
  - Sorter
    168
  - Large Capacity Tray
    168
  - Others
    169
- 3 Special Tools and Lubricants
  
  170
- 4 Service Program Mode
  
  171
  - Dip Switches Tables
    171
    
    DIP SW 1 (Operation Panel)
    171
  - Service Program Mode Operation
    172
    
    Change Adjustment Values or Modes
    172
    
    Service Program Access Procedure
    172
  - Service Program Mode Table
    172
    
    Memory Clear Procedure
    173
    
    Others
    174
    
    Service Program Mode Table
    175
  - Sort Mode
    176
  - Stack Mode
    182
    
    Service Program Sp-8 Data Input Guide Table
    192
    
    Service Program Sp-9 Data Output Guide Table
    194
    
    User Code Table
    196
    
    User Code Counter Check (SP Mode #91)
    197
    
    Misfeed Table
    198
    
    Sensor Location
    200
    
    Preventive Maintenance Schedule
    201
    
    Lubrication Points
    205
    
    Replacement Points
    206
    
    Adjustment Points
    207
    
    Explanation of Regular Pm
    208
Development and Toner Supply

213
- 1 Optics
  
  217
  - Exposure Glass Removal
    217
  - 1St Mirror Removal
    218
  - 2Nd and 3Nd Mirror Removal
    220
  - 4Th and 5Th Mirrors Replacement
    222
  - Exposure Lamp Replacement
    223
  - Auto Size/Ads Fiber Optic Cable Replacement
    224
  - Thermoswitch Replacement
    226
  - Scanner Drive Wire Replacement
    227
    
    Wire Removal
    227
  - Scanner Motor Replacement
    232
  - Lens Drive Motor Replacement
    233
  - 3Rd Scanner Drive Motor Replacement
    234
  - Red Erase Filter Replacement
    235
  - Exposure Lamp Position Adjustment
    236
  - EXPOSURE LAMP VOLTAGE ADJUSTMENT (SP Mode #48)
    238
  - ADS ADJUSTMENT (SP Mode #58)
    239
  - ADS CORRECTION (SP Mode #56)
    240
  - APS VOLTAGE ADJUSTMENT (SP Modes #61 and #62)
    241
  - APS LENGTH SENSOR ERROR CORRECTION (SP Modes #50 and #46)
    242
  - Vertical Magnification Adjustment
    243
  - VERTICAL MAGNIFICATION ADJUSTMENT 1 (SP Mode #43)
    243
  - Overlay and Duplex) (SP Mode #45)
    244
  - Horizontal MAGNIFICATION ADJUSTMENT (SP Mode #44)
    245
  - Rd Scanner Height Adjustment
    246
  - BLACK DEVELOPER REPLACEMENT (SP Mode #65)
    247
- 2 Development and Toner Supply
  
  247
- 3 Cleaning
  
  265
  - Cleaning Unit Removal
    265
  - Cleaning Blade Replacement
    266
  - Cleaning Brush Replacement
    267
  - Blade Scraper Replacement
    268
  - Toner Overflow Sensor Replacement
    269
    
    Used Toner Collection
    270
    
    Quenching Lamp Replacement/Cleaning
    271
- 4 Paper Feed
  
  272
  - Table
    272
  - Sensor
    272
  - Paper Size Switch Replacement
    273
  - 1St Feed Rollers Replacement
    274
  - Grip Roller Replacement
    276
  - 2Nd Feed Roller and Friction Pad Replacement
    277
  - Friction Pad Pressure Adjustment
    279
  - Pressure Arm Adjustment
    280
    
    Feed and Relay Clutch Replacement
    281
    
    2Nd and 3Rd Feed Stations
    282
    
    Paper End Sensor Replacement
    282
    
    Lift Motor Replacement
    283
    
    Registration Sensor Replacement
    284
    
    Registration Clutch Replacement
    285
    
    Upper Registration Roller Removal
    286
    
    REGISTRATION ADJUSTMENT (SP Mode #42)
    288
    
    Upper Relay Sensor Replacement
    289
    
    Lower Relay Sensor Replacement
    290
- 5 Transport
  
  291
  - Transport Belt Replacement
    291
  - Drum Heater Replacement
    293
- 6 Drum
  
  294
- 7 Fusing
  
  309
  - Fusing Unit Removal
    309
  - Hot Roller Replacement
    311
  - Pressure Roller Replacement
    312
  - Fusing Stripper Pawl Replacement
    313
  - Thermal Fuse Replacement
    314
  - Fusing Thermistor Replacement
    315
  - FUSING TEMPERATURE CHECK (SP Mode #52)
    316
  - FUSING TEMPERATURE ADJUSTMENT (SP Mode #49)
    317
  - Fusing Temperature Control Selection
    318
  - Full Wave Control or Phase Control) (SP Mode #29)
    318
  - Nip Width Measurement
    319
  - Fusing Guide Plate Height Adjustment
    321
  - Fusing Exit Sensor Replacement
    322
- 8 Transport
  
  323
- 9 Jogger
  
  327
  - Jogger Unit Removal
    327
  - Jogger Home Position Sensor Replacement
    328
  - Jogger Unit Wire Replacement
    329
  - Jogger Motor Replacement
    331
  - Jogger Solenoid Adjustment
    332
- 10 Others
  
  333
Table of Contents

335
- 1 Copy Quality
  
  338
  - Blank Copy (White Copy)
    338
  - Dirty Background
    341
  - Uneven Image Density
    345
  - Vertical Blacklines - 2
    347
  - VERTICAL WHITE LINES or BANDS - 1 (Dull or Blurred)
    348
  - VERTICAL WHITE LINES - 3 (Smeared Image)
    350
  - VERTICAL WHITE LINES or BANDS - 4 (Thin, Distinct)
    351
  - Horizontal Black Lines
    352
  - Jitter - 1
    354
  - JITTER - 2 (Irregular)
    355
  - Marks at 251Mm Intervals
    356
  - Skewed (Optical) Copy Image
    357
  - Black Spots on the Copy Image
    358
  - Toner Density too High
    359
  - Toner Density too Low
    361
  - OPTICS UNIT CONTROL FAILURE - 1 (Initialization)
    365
  - OPTICS UNIT CONTROL FAILURE - 2 (Copy Cycle)
    366
    
    SIDE REGISTRATION MALFUNCTION Ln DUPLEX/OVERLAY COPY MODE
    367
  - Side Registration Malfunction in Duplex/Overlay Copy Mode
    367
- 2 Service Call Conditions
  
  369
  - Code #12
    370
  - Code #21
    371
  - Code #23
    372
  - Codes #25 and #2E
    373
  - Code#2A and #2B
    374
  - Code #28 and #29
    375
  - Code #41
    376
  - Code #53
    377
  - Code #55
    378
  - Code #81 and #82
    379
  - Code #91
    380
  - Code #93
    381
  - Call Service Condition #95
    382
- 3 Others
  
  383
- 4 Electrical Component Defects
  
  387
  - Paper End Sensor
    387
  - Manual Feed Sensor
    387
  - Registration Sensor
    388
  - Fusing Exit Sensor
    388
  - Invertor Sensor
    388
  - Inverter Relay Sensor
    389
  - Color Toner End Sensor
    389
  - Pulse Generator Sensor
    389
  - 1St Scanner Home Position Sensor
    390
  - Lens Home Position Sensor
    390
  - 3Rd Scanner Home Position Sensor
    390
  - Fusing Thermistor
    391
  - Front Cover Safety Switch
    391
  - DC Power Supply Fuses
    392
- 5 Cautions for Users
  
  393

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Ricoh FT4460 Manuals

Ricoh FT4460 Service Manual (413 pages)

Table of Contents

Ricoh

Table of Contents

Troubleshooting

Section 1

Specifications

Operation Panel

Copy Processes Around the Drum

Functional Operation

Paper Path

Drive Layout

Mechanical Component Layout

Electrical Component Layout

Electrical Component Descriptions

Ac and DC Power Distribution

Overall Machine Control

Drive Mechanism

Image Fusing and Paper Exit

Drum

Drum Charge

Optics

4 Erase

5 Development

6 Image Transfer

7 ID Sensor

8 Drum Cleaning

9 Paper Feed and Registration

10 Image Fusing and Paper Exit

11 Duplex/Overlay Mechanism

12 Others

Table of Contents

Service Tables

Preventive Maintenance Schedule

1 Service Tables

2 Service Remarks

3 Special Tools and Lubricants

4 Service Program Mode

Development and Toner Supply

1 Optics

2 Development and Toner Supply

3 Cleaning

4 Paper Feed

5 Transport

6 Drum

7 Fusing

8 Transport

9 Jogger

10 Others

Table of Contents

1 Copy Quality

2 Service Call Conditions

3 Others

4 Electrical Component Defects

5 Cautions for Users

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