Ricoh FT4822 Manuals

Manuals and User Guides for Ricoh FT4822. We have 2 Ricoh FT4822 manuals available for free PDF download: Service Manual

Ricoh FT4822 Service Manual (708 pages)

Brand: Ricoh | Category: Printer | Size: 20.31 MB

Table of Contents

12
- Overall Machine Information
  30
- Specifications
  32
- Component Layout and Description
  36
- Machine Configuration
  38
- Copier
  38
- Optional Equipment
  39
- Mechanical Component Layout
  40
- Paper Path
  43
- Normal Copying
  43
- Duplex Copying
  44
- Drive Layout
  50
- All Models
  50
- A157/A160
  51
- A153/A156
  51
- Installation
  52
- Installation Requirements
  54
- Environment
  54
- Machine Level
  54
- Minimum Space Requirements
  55
- Power Requirements
  56
- Copier Installation
  57
- Accessory Check
  57
- Copier Installation Procedure
  58
- Paper Size Selection
  66
- Paper Feed Station Definition
  66
- Paper Size Selection for Copier Paper Trays
  67
- Fsm
  67
- Special Paper Size Selection for the 1St Tray
  69
- Accessory Check
  70
- Sorter Adapter Installation (Option for A157, A159, and A160 Copiers Only)
  70
- Installation Procedure
  71
- Tray Heater Installation (Option)
  72
- Optics Anti-Condensation Heater (Option)
  74
- Original Length Sensor for Aps (Option Only for the Lt/Dlt Version)
  76
- Ads Sensor (Option)
  77
- Key Counter Holder (Option)
  78
- Brand Decal Application Instructions (-10 and -22 Copiers Only)
  79
- Service Tables
  80
- Service Remarks
  82
- Handling the Drum
  82
- Drum Unit
  83
- Drum Charge Roller
  83
- Optics
  84
- Erase Lamp
  84
- Development Unit
  85
- Transfer Belt Unit
  85
- Cleaning Section in the Drum Unit
  86
- Erase Lamp/Ptl/Quenching Lamp
  86
- Paper Feed
  86
- Fusing Unit
  87
- Others
  87
- Service Program Mode
  88
- Service Program Mode Operation
  88
- Service Program Mode Access Procedure
  88
- Changing the Value of an SP Mode
  89
- Memory Reset Procedures
  90
- Resetting Counters
  90
- Reset All Counters: SP7-808
  91
- Drum Initialization: SP3-123
  92
- Reset All Memory (SP5-801)
  93
- Service Program Mode Table
  95
- Quick Reference
  95
- SP Mode Table
  100
- Ut Mode and Sp Mode Cross Reference Table
  123
- Sp5-803 Sensor/Switch Input Check
  124
- Sp5-804 Electrical Component Output Check
  127
- Sp5-019 Paper Size Setting
  129
- Paper Size Selection for the Paper Tray Unit, LCT, and By-Pass Feed
  129
- Special Paper Size Selection for the 1St Tray
  131
- Practical Sp Mode Use Table
  132
- Replacement and Cleaning
  132
- Major Adjustments
  132
- Data Display
  133
- Test Points (Main Control Board)
  134
- Preventive Maintenance Schedule
  135
- Pm Table
  135
- Regular Pm Procedure
  141
- Special Tools and Lubricants
  145
- Replacement and Adjustment
  146
- Inner and Outer Covers
  148
- Outer Cover Removal
  148
- Front Cover
  148
- Rear Cover
  148
- Left Cover
  148
- Front Right Cover
  149
- Rear Right Cover
  149
- Top Cover
  149
- Operation Panel
  149
- Lower Left Inner Cover
  150
- Lower Right Inner Cover
  150
- Upper Inner Cover
  150
- Inner Cover Removal
  150
- Optics
  151
- Exposure Glass Removal
  151
- Exposure Lamp Replacement
  151
- Scanner Drive Belt Replacement
  153
- Scanner Positioning Adjustment
  156
- 3Rd Scanner Motor Replacement
  157
- Lens Vertical Drive Motor Replacement
  158
- Development and Toner Supply
  159
- Development Unit Removal
  159
- Developer Replacement
  160
- Toner Supply Motor Replacement
  162
- Around the Drum
  163
- Drum Unit Removal
  163
- Drum Replacement
  164
- Pick-Off Pawl Replacement
  166
- ID Sensor Board Replacement
  167
- Drum Cleaning Blade Replacement
  168
- Ptl Board Replacement
  170
- Quenching Lamp Replacement
  171
- Erase Lamp Replacement
  172
- Drum Charge Roller Replacement
  173
- Drum Charge Roller Terminal Replacement
  174
- Drum Charge Roller Cleaner Replacement
  175
- Thermofuse Replacement
  193
- Duplex Unit
  194
- Friction Roller Replacement
  194
- Duplex Feed Roller Replacement
  195
- Duplex Feed Motor Replacement
  196
- Light Intensity Adjustment (Sp4-001)
  198
- Copy Quality Adjustment
  198
- Uneven Exposure Adjustment
  200
- Image Area Bias Voltage Adjustment
  201
- Development Bias Adjustment (SP2-201-001)
  201
- Adjustment (SP2-201-002)
  201
- Toner Density Adjustment (Sp2-203)
  203
- Detect/Fixed/Td Sensor Toner Supply
  204
- Mode Selection (Sp2-208-001)
  204
- Automatic ID Sensor Adjustment (Sp3-001)
  204
- Toner Supply Ratio Selection
  205
- Ads Sensor Automatic Adjustment (Sp4-201)
  206
- Ads Density Selection (Sp5-106)
  206
- Vertical Magnification Adjustment
  207
- Horizontal Magnification Adjustment (Sp4-101)
  208
- Lead Edge Registration Adjustment (Sp1-001)
  209
- Focus Adjustment in Enlarge/Reduce
  209
- Mode (Sp4-102)
  209
- Focus Adjustment in Full Size Mode (Sp4-103)
  209
- Lead Edge Erase Margin Adjustment
  210
- (Sp2-101-001)
  210
- Lens Horizontal H
  210
- (Sp4-011-001~009)
  210
- 4Th/5Th Mirror Height Adjustment
  212
- A156/A160/A162
  212
- Fsm
  212
- Others
  213
- Main Control Board Replacement
  213
- Ac Power Supply Board Replacement
  214
- DC Power Supply Board Replacement
  215
- Cb High Voltage Supply Board Replacement
  216
- T High Voltage Supply Board Replacement
  217
- Troubleshooting
  218
- Copy Quality
  220
- Introduction
  220
- Blank Copy (White Copy)
  221
- Dirty Background
  224
- Uneven Image Density
  228
- Vertical Black Bands
  229
- Vertical Black Lines
  230
- Vertical White Lines or Bands-1
  231
- (Dull or Blurred)
  231
- Vertical White Lines or Bands-2 (Thin, Distinct)
  232
- Horizontal Black/White Lines
  233
- Skewed (Optical) Copy Image
  234
- Toner Density too High
  235
- Toner Density too Low
  237
- Toner Scattering
  239
- Unfused Copy
  240
- A Horizontal Thin Line Appearing Close to the Leading Edge
  241
- Creasing after Fusing
  241
- Z-Folded Copy or Leading Edge Registration Varies
  241
- Toner Supply Control
  242
- Service Call Conditions
  245
- Sc Code Table
  245
- Warning Sc Code Table
  247
- C-Code Table
  248
- U-Code Table
  248
- Sc Code Descriptions
  249
- Blown Fuse Conditions
  262
- Electrical Component Defects
  263
- Sensors
  263
- Switches
  266
- Appendix
  268
- Tables & Sp Modes for Process Control
  272
- Auto Process Control Timing Chart
  273
- Document Feeder A548
  274
- Specifications
  276
- Component Layout
  277
- Mechanical Components
  277
- Electrical Components
  278
- Electrical Component Description
  279
- Installation
  280
- Accessory Check
  280
- Installation Procedure
  281
- Service Tables
  282
- Dip Switches
  282
- Fuse
  283
- Led
  283
- Variable Resistors
  283
Cópia Não Controlada

422
- Specifications
  433
- Copier
  438
- Machine Configuration
  438
- Optional Equipment
  439
- Mechanical Component Layout
  441
- Electrical Component Descriptions
  443
- A204/A206/A207/A208/A210/A211
  450
- Paper Feed Drive Layout
  450
- Ads Correction
  451
- Halftone Mode
  451
- Process Control
  451
- Toner Supply Control During Copying
  452
- Toner Supply in Abnormal Sensor Conditions
  453
- Rpattern Correction
  454
- Temperature Correction
  455
- Toner End Recovery
  457
- Drum
  461
- Drum Charge Roller Cleaning
  461
- Halogen Lamp
  462
- Optics
  462
- Optics Cooling Fans
  462
- Overview
  462
- Scanner Drive
  462
- Toner Shield Glass
  462
- Ads Sampling During Copying
  463
- Overview
  464
- Paper Feed and Registration
  464
- Image Fusing (A204/A206/A207 Copiers)
  465
- Overview
  465
- Oil Supply Mechanism
  466
- Fusing Lamp Control
  467
- Copier Accessory Check
  469
- Installation
  469
- Copier Installation Procedure
  470
- Auto Reverse Document Feeder (A663) Accessory Check
  480
- Auto Reverse Document Feeder (A663) Installation Procedure
  481
- 20-Bin Sorter Stapler (A664) Accessory Check
  482
- 20-Bin Sorter Stapler (A664) Installation Procedure
  483
- 20-Bin Sorter Stapler (A658) Accessory Check
  487
- 20-Bin Sorter Stapler (A658) Installation Procedure
  488
- Quick Reference
  492
- Service Program Mode
  492
- Service Program Mode Table
  492

Ricoh FT4822 Service Manual (269 pages)

Ricoh A156/A212... Series Service manual

Brand: Ricoh | Category: All in One Printer | Size: 6.15 MB

Service Manual
1
Table of Contents
13
Important Safety Notices
23
Overall Machine Information

27
- Specifications
  
  29
- Machine Configuration
  
  33
  - Copier
    33
  - Optional Equipment
    34
- Mechanical Component Layout
  
  35
- Paper Path
  
  38
  - Normal Copying
    38
  - Duplex Copying
    39
  - Electrical Component Descriptions
    40
- 5 Electrical Component Descriptions
  
  45
- Drive Layout
  
  45
  - All Models
    45
  - A153/A156
    46
  - A157/A160/A161/A162
    46
Detailed Descriptions

47
- Process Control
  
  49
  - Overview
    49
    
    Copy Process Around the Drum
    49
    
    Factors Affecting Process Control
    52
    
    Process Control Procedures
    53
    
    Drum Potential Control
    54
    
    Copy Image Control
    56
    
    Image Density Control
    59
    
    Overview
    59
    
    VSP and VSG Detection
    59
    
    ID Correction for the
    60
    
    SP Pattern
    60
    
    Toner Supply Control During Copying
    62
    
    Toner Supply in Abnormal Sensor Conditions
    65
    
    Drum Potential Control
    66
    
    R Pattern Correction
    66
    
    L Pattern Correction
    69
    
    T/H Correction
    72
  - Process Control During Abnormal Conditions
    74
    
    Process Control and Sensor Detection Timing
    75
    
    Process Control Checks During Machine Operation
    76
  - Copy Image Control
    78
    
    Manual ID Correction
    79
    
    Reproduction Ratio Correction
    79
    
    ADS Correction
    79
- Drum
  
  80
  - Drum Unit
    80
  - Drive Mechanism
    81
- Drum Charge
  
  82
  - Overview
    82
  - Drum Charge Roller Drive Mechanism
    83
  - Drum Charge Roller Cleaning
    85
  - Temperature Compensation
    86
- Optics
  
  87
  - Overview
    87
  - Scanner Drive
    89
  - Lens Drive
    90
  - Horizontal Lens Positioning
    91
    
    Original Alignment Position
    91
    
    Paper Size
    91
    
    Reproduction Ratio
    92
  - 3Rd Scanner Drive
    93
  - Uneven Light Intensity Correction
    94
  - Original Size Detection in Platen Mode
    95
  - Automatic Image Density Control System (Ads)
    97
- Erase
  
  99
  - Overview
    99
  - Leading Edge and Trailing Edge Erase
    100
  - Side Erase
    100
- Development
  
  101
  - Overview
    101
  - Drive Mechanism
    102
  - Cross-Mixing
    103
  - Toner Density Sensor
    104
  - Development Bias Control
    105
  - Toner Supply
    106
    
    Toner Bottle Replenishment Mechanism
    106
    
    Toner Supply Mechanism
    107
    
    Toner End Detection
    108
- Image Transfer and Paper Separation
  
  109
- Drum Cleaning
  
  118
- Toner Recycling
  
  122
  - Overview
    122
  - New Toner and Recycled Toner Mixture
    123
- Quenching
  
  124
- Paper Feed and Registration
  
  125
  - Overview
    125
  - Paper Feed Mechanism [A153/A156]
    126
    
    Drive Mechanism
    126
    
    Slip Clutch Mechanism
    127
    
    Separation Roller Release Mechanism
    128
  - Paper Feed Drive Mechanism [A157/A160]
    129
  - Paper Lift Mechanism
    130
  - Paper End Detection
    133
  - Paper Size Detection
    135
  - Side Fence Double Stopper Mechanism [A157/A160]
    136
  - Large Capacity Tray
    137
    
    Paper Lift Mechanism
    137
    
    Paper Feed Mechanism
    138
    
    Paper End Detection
    138
  - By-Pass Feed Table
    139
    
    Feed Mechanism/Paper End Detection
    139
    
    By-Pass Feed Paper Width Detection
    140
  - Paper Registration
    141
  - Paper Feed and Misfeed Detection Timing
    142
    
    Paper Feed Tray
    142
    
    By-Pass Feed
    144
  - Drive Mechanism
    146
  - Turn Guide Section
    147
  - Duplex Entrance to Duplex Tray
    148
  - Duplex Stacking
    149
  - Paper Feed from the Duplex Tray
    150
    
    Tray Lift Mechanism
    150
    
    Paper Feed System
    151
- Image Fusing
  
  152
  - Overview
    152
  - Fusing Drive and Release Mechanism
    153
  - Fusing Entrance Guide Shift Mechanism
    154
  - Pressure Roller
    155
  - Cleaning Mechanism
    155
  - Fusing Lamp Control
    156
  - Overheat Protection
    159
  - Energy Saver Functions
    159
  - Main Fusing Lamp Interchangeability
    159
Auto Reverse Document Feeder A548

161
- Specifications
  
  163
- Component Layout
  
  164
  - Mechanical Components
    164
  - Electrical Components
    165
- Electrical Component Description
  
  166
- Detailed Descriptions
  
  167
  - Original Pick-Up Mechanism
    167
  - Separation and Paper Feed Mechanism
    168
  - Friction Belt Drive Mechanism
    169
  - Original Size Detection
    170
  - Paper Transport Mechanism
    171
  - Thick/Thin Original Modes
    172
  - Original Feed-Out Mechanism
    173
  - Two-Sided Original Feed Mechanism
    174
- Timing Charts
  
  175
  - A4 Sideways: 1 Sided Original
    175
  - Combine 2 Original Mode
    176
  - A4 Sideways: Duplex
    177
Paper Tray Unit

179
- Specifications
  
  181
- Component Layout
  
  182
  - Mechanical Component Layout
    182
  - Drive Layout
    183
- Overview
  
  185
- Drive Mechanism
  
  186
- Paper Feed and Misfeed Detection Timing
  
  195
- Specifications
  
  198
- 1 Specifications
  
  200
- Component Layout
  
  200
  - Mechanical Component Layout
    200
  - Drive Layout
    201
  - Electrical Component Description
    202
- Basic Operation
  
  204
  - Normal Mode and Sort/Stack Mode
    204
  - Staple Mode
    206
- Turn Gate Section
  
  208
- Roller Drive and Control
  
  209
- Bin Drive and Control
  
  211
- Jogger Section
  
  214
- Grip Assembly
  
  216
- Stapler
  
  218
- Jam Detection and Stapler Error
  
  221
  - Sorter Jams
    221
  - Stapler Error
    222
- Timing Charts
  
  223
Sorter Stapler A555

226
- Specifications
  
  228
- Component Layout
  
  230
  - Mechanical Component Layout
    230
  - Drive Layout
    231
  - Electrical Component Description
    232
- Basic Operation
  
  233
  - Normal Mode and Sort/Stack Mode
    233
  - Staple Mode
    235
  - Bin Drive Mechanism
    237
  - Bin Home Position
    238
  - Jogger Mechanism
    239
  - Grip Assembly
    240
  - Stapler Unit
    241
  - Stapler Switch
    242
  - Paper Feed and Misfeed Detection Timing
    243
  - Jam Detection
    245
Sorter A556

246
- Specifications
  
  248
- Mechanical Component Layout
  
  249
- Electrical Component Layout
  
  250
- Electrical Component Descriptions
  
  251
- Basic Operation
  
  252
- Example of Sort Mode Operation
  
  253
- Bin Drive Mechanism
  
  255
- Bins
  
  257
- Exit Rollers
  
  258
- Timing Chart
  
  259
Sorter A557

260
- Specifications
  
  262
- Component Layout
  
  263
- Electrical Component Descriptions
  
  264
- Basic Operation
  
  265

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Ricoh FT4822 Manuals

Ricoh FT4822 Service Manual (708 pages)

Table of Contents

Table of Contents

Cópia Não Controlada

Ricoh FT4822 Service Manual (269 pages)

Table of Contents

Overall Machine Information

Specifications

Machine Configuration

Mechanical Component Layout

Paper Path

5 Electrical Component Descriptions

Drive Layout

Detailed Descriptions

Process Control

Drum

Drum Charge

Optics

Erase

Development

Image Transfer and Paper Separation

Drum Cleaning

Toner Recycling

Quenching

Paper Feed and Registration

Image Fusing

Auto Reverse Document Feeder A548

Specifications

Component Layout

Electrical Component Description

Detailed Descriptions

Timing Charts

Paper Tray Unit

Specifications

Component Layout

Overview

Drive Mechanism

Paper Feed and Misfeed Detection Timing

Specifications

1 Specifications

Component Layout

Basic Operation

Turn Gate Section

Roller Drive and Control

Bin Drive and Control

Jogger Section

Grip Assembly

Stapler

Jam Detection and Stapler Error

Timing Charts

Sorter Stapler A555

Specifications

Component Layout

Basic Operation

Sorter A556

Specifications

Mechanical Component Layout

Electrical Component Layout

Electrical Component Descriptions

Basic Operation

Example of Sort Mode Operation

Bin Drive Mechanism

Bins

Exit Rollers

Timing Chart

Sorter A557

Specifications

Component Layout

Electrical Component Descriptions

Basic Operation

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