Ricoh B044 Paper End Sensor Manuals

Manuals and User Guides for Ricoh B044 Paper End Sensor. We have 2 Ricoh B044 Paper End Sensor manuals available for free PDF download: Service Manual

Ricoh B044 Service Manual (384 pages)

Brand: Ricoh | Category: All in One Printer | Size: 6 MB

B044/B045/B046

13
- Table of Contents
  13
- Installation
  
  25
  - Installation Requirements
    27
    
    Environment
    27
    
    Machine Level
    28
    
    Minimum Operational Space Requirements
    28
    
    Power Requirements
    29
  - Copier
    30
    
    Accessory Check
    30
    
    Installation Procedure
    30
    
    Initial Programming: Fax-Equipped Models (B046)
    34
    
    Initial Programming: Faxless Models (B044, B045)
    34
  - Paper Tray Unit
    36
    
    Accessory Check
    36
    
    Installation Procedure
    36
  - Paper Tray Unit Heater
    38
    
    Accessory Check
    38
    
    Installation Procedure
    38
  - Document Feeder
    43
    
    Accessory Check
    43
    
    Installation Procedure
    43
  - DIMM
    47
    
    Installation Procedure
    47
- Preventive Maintenance
  
  49
- Preventive Maintenance Schedules
  
  51
  - Pm Tables
    51
  - How to Clear the Pm Counter
    52
- Replacement and Adjustment
  
  53
  - Precautions
    55
    
    General
    55
    
    Lithium Batteries
    55
    
    Pcu (Photoconductor Unit)
    55
    
    Transfer Roller
    55
    
    Fusing Unit
    56
    
    Laser Unit
    56
    
    Paper Feed
    56
    
    Scanner Unit
    56
    
    Important
    57
  - Special Tools and Lubricants
    57
  - Exterior Cover and Operation Panel
    58
    
    Platen Cover
    58
    
    Rear Cover
    58
    
    Copy Tray
    59
    
    Scale Plate (B044 and B045 Only)
    59
    
    Front Left Cover and Operation Panel
    60
    
    Front Right Cover
    60
    
    Left Cover
    60
    
    Right Cover
    60
    
    Bypass Tray (B044 and B046 Only)
    61
    
    Right Door
    61
    
    Platen Cover Sensor
    62
  - Scanner Section
    63
    
    DF-Equipped Machines
    63
    
    Exposure Glass
    63
    
    Non-DF Machines
    63
    
    Exposure Lamp, Lamp Stabilizer Board
    64
    
    Lens Block
    64
    
    Scanner Hp Sensor
    65
    
    Scanner Motor
    65
    
    Scanner Alignment Adjustment
    66
  - Fusing
    67
    
    Exit Sensor
    67
    
    Fusing Unit
    67
    
    Hot Roller Stripper Pawls
    68
    
    Hot Roller & Fusing Lamp
    69
    
    Thermofuse, Thermoswitch, and Thermistor
    69
    
    Pressure Roller
    70
  - Pcu
    72
  - Toner Supply Clutch
    73
  - Paper Feed Section
    74
    
    Paper End Sensor
    74
    
    Paper Feed Roller and Friction Pad
    74
    
    Bypass Paper End Sensor (B044 and B046 Only)
    75
    
    Registration Sensor
    75
    
    Bypass Feed Roller (B044 and B046 Only)
    76
    
    Bypass Feed Clutch (B044 and B046 Only)
    77
    
    Bypass Friction Pad (B044 and B046 Only)
    77
    
    Registration Clutch
    77
    
    Paper Feed Clutch
    78
  - Image Transfer
    79
    
    ID (Image Density) Sensor
    79
    
    Image Transfer Roller
    79
    
    Discharge Plate
    80
  - Function Control Unit (Fcu)
    80
  - Laser Unit
    82
  - Location of "Caution" Decal
    82
    
    Psu Bracket
    83
    
    Laser Unit
    84
    
    Ld Unit
    84
    
    Polygon Mirror Motor
    84
  - Other Replacements
    85
    
    High-Voltage Power Supply Board
    85
    
    Psu
    85
    
    Quenching Lamp
    85
    
    Exhaust Fan
    86
    
    Main Motor
    86
  - Copy Image Adjustments: Printing/Scanning
    87
    
    Printing
    87
    
    Registration - Leading Edge/Side-To-Side
    87
    
    Blank Margin
    88
    
    Main-Scan Magnification
    88
    
    Magnification
    89
    
    Registration: Platen Mode
    89
    
    Scanning
    89
    
    Standard White Density Adjustment
    90
    
    Df Image Adjustment
    91
    
    Registration and Blank Margin
    91
    
    Sub-Scan Magnification
    91
- Troubleshooting
  
  93
  - Service Call Conditions
    95
    
    Sc Code Descriptions
    96
  - Electrical Component Defects
    101
    
    Sensor/Switch Open Errors
    101
  - Blown Fuse Conditions
    101
  - Dumping the Fuser Temperature Log
    102
- Service Tables
  
  103
  - Using Service Program Mode
    105
    
    Accessing Copy Mode from Within SP Mode
    105
    
    Accessing SP Mode
    105
    
    How to Select a Program Number
    106
    
    To Input a Value or Setting
    106
    
    Sp Mode Tables
    107
    
    SP1-XXX (Feed)
    107
    
    SP2-XXX (Drum)
    108
    
    SP4-XXX (Scanner)
    113
    
    SP5-XXX (Mode)
    118
    
    SP6-XXX (Peripherals)
    122
    
    SP7-XXX (Data Log)
    123
    
    Test Pattern Printing (Sp5-902)
    127
    
    Input Check (Sp5-803)
    128
    
    Input Check Table
    128
    
    Input Check Table
    129
    
    Output Check (Sp5-804)
    129
    
    Smc Printing (Sp5-992)
    130
    
    Memory All Clear (Sp5-801)
    131
    
    Free Runs
    132
    
    Program Download (SP5-827)
    133
    
    Program Upload/Download
    133
    
    Program Upload (SP5-826)
    135
    
    SRAM Data Upload (SP5-824)
    136
    
    Sram Data Upload/Download
    136
    
    Serial Number Input (Sp5-811)
    137
    
    SRAM Data Download (SP5-825)
    137
    
    ID Sensor Error Analysis (Sp2-221)
    138
    
    Memory Read/Write
    139
  - User Tools
    140
    
    Copy Features Table
    140
    
    How to Enter and Exit User Tools
    140
    
    System Settings Table
    140
    
    User Tools Table
    140
- Detailed Section Descriptions
  
  141
- Detailed Section Descriptions
  
  143
  - Overview
    143
    
    Component Layout
    143
  - Paper Path
    147
  - Drive Layout
    148
  - Block Diagram: Pcbs and Components
    149
  - Main Pcbs
    150
    
    Fcu (Function/Facsimile Control Unit)
    150
    
    5V Converter
    151
    
    CIOP (Communications and I/O Processing)
    151
    
    Dram - 8Mb
    151
    
    Energy-Save Switching
    151
    
    FROM (Flash ROM) - 2MB
    151
    
    Spc2
    151
    
    Sram - 128K
    151
    
    VPL (Video Processing LSI)
    151
    
    Analog Processing Circuit
    152
    
    Modem
    152
    
    Reset/Backup Circuit
    152
    
    SAF Backup
    152
Table of Contents

205
- 1 Overall Information
  
  207
  - Mechanical Component Layout
    207
  - Electrical Component Layout
    208
  - Drive Layout
    209
- 2 Detailed Section Descriptions
  
  210
  - Pick-Up and Separation
    210
  - Clutch Operation
    210
  - Transport and Exit
    210
  - Unit Open Switch and Guide Open Sensor
    211
  - Overall Electrical Circuit
    211
- 3 Replacement and Adjustment
  
  212
  - Df Upper Covers
    212
  - Original Table
    212
  - Feed Unit
    212
  - Df Pickup Roller
    213
  - Df Feed Roller
    213
  - Df Separation Roller
    214
  - Df Motor
    215
  - Df Feed Clutch
    216
  - Sensors
    216
  - Df Exposure Glass
    217
  - Df Connection Board
    217
Overall Machine Information/Replacement and Adjustment

221
- 1 Overall Machine Information
  
  223
  - Mechanical Component Layout
    223
  - Electrical Component Layout
    223
  - Drive Layout
    224
  - Overall Electrical Circuit
    224
  - Detailed Descriptions
    225
    
    Paper Feed and Separation
    225
  - Paper Lift Mechanism
    225
  - Paper End Detection
    226
  - Side and End Fences
    227
- 2 Replacement and Adjustment
  
  228
  - Feed Roller and Friction Pad
    228
  - Removing the Paper Tray Unit from the Copier
    228
    
    If Optional Tray Heater Is Installed
    228
    
    If Optional Tray Heater Is Not Installed
    228
  - Sensors
    229
  - Drive Section
    230
    
    Drive Block
    230
    
    Paper Feed Motor
    230
    
    Paper Feed Clutch
    231
    
    Tray Main Board (• 2.4.1)
    231
Table of Contents

235
- 1 Installation
  
  237
  - Installation Requirements
    239
    
    Environment
    239
    
    Machine Level
    239
    
    Minimum Space Requirements
    239
    
    Power Requirements
    239
  - Fax Unit
    240
    
    Accessory Check
    240
    
    Installing the Fax Option
    241
    
    Initial Programming
    247
  - Handset
    248
    
    Accessory Check
    248
    
    Installation Procedure
    248
- 2 Preventive Maintenance
  
  249
  - Special Tools and Lubricants
    251
  - Pm Table
    251
- 3 Removal and Replacement
  
  255
  - Precaution
    255
  - Fcu
    255
  - Ncu
    255
  - Monitor Speaker
    256
- 4 Troubleshooting
  
  257
  - Error Codes
    259
  - Fax Sc Codes
    269
- 5 Service Tables
  
  271
  - Service Level Functions
    273
    
    Bit Sw
    273
    
    Function no
    273
    
    How to Enter and Exit Service Mode
    273
    
    Error Code
    274
    
    Parameter List
    274
    
    Service Report
    274
    
    Counter R/W
    275
    
    Protocol Dump
    275
    
    Ncu
    276
    
    Wording
    276
    
    Number
    277
    
    White Adjust
    277
  - Bit Switches
    278
    
    System Switches
    278
    
    Scanner Switches
    288
    
    Plotter Switches
    289
    
    Communication Switches
    292
    
    G3 Switches
    299
  - Ncu Parameters
    305
  - Dedicated Transmission Parameters
    314
    
    Programming Procedure
    314
    
    Parameters
    315
  - Service Ram Addresses
    318
- Detailed Descriptions
  
  331
- 6 Detailed Section Descriptions
  
  333
  - Pcbs
    333
    
    Fcu
    333
    
    Ncu
    333
- Specifications
  
  335
  - General Specifications
    337
  - Features
    338
    
    Features List
    338
  - Overall Machine Control
    342
    
    Power Distribution
    342
    
    System Control
    342
    
    Memory Backup
    343
  - Video Data Path
    344
    
    Immediate Transmission
    344
    
    Memory Transmission and Parallel Memory Transmission
    344
    
    Reception
    344
    
    Transmission
    344
Table of Contents

347
- Installation
  349
- 1 Installation Requirements
  
  351
  - Printer Installation
    352
    
    Printer Controller Installation
    352
  - Ps 2 Emulation Board (B431)
    354
  - Memory Board (G578/G579/G580)
    355
  - Nib (B430)
    356
- 2 Troubleshooting
  
  357
  - Error Codes
    359
  - Led Display
    360
    
    Location
    360
    
    Fatal Error
    361
- 3 Service Tables
  
  363
  - Service Program Mode Overview
    365
    
    Entering the Service Mode
    365
    
    Exiting the Service Mode
    365
    
    How to Enter the Sp Mode
    365
    
    Service Menu Table
    365
  - Service Menu
    366
    
    Bit Switch Settings
    366
    
    Counter Clear
    366
    
    Diagnostic Error
    366
    
    Nv Ram Clear
    366
    
    Service Print
    367
  - Firmware Update Procedure
    368
    
    Controller/Ps2 Firmware Update
    368
    
    Controller
    370
    
    Error Recovery
    370
    
    Ps2 DIMM
    370
  - Power-On Self Test
    371
  - Self Diagnostic Test
    371
  - User Program Mode
    372
- Detailed Descriptions
  
  373
- 4 Detailed Section Descriptions
  
  375
  - Block Diagram
    375
  - Controller Functions
    376
    
    Manual Tray Select
    376
    
    Paper Source Selection
    376
    
    Tray Priority (Auto Tray Select)
    376
    
    By-Pass Tray
    377
    
    Tray Lock
    377
    
    Auto Continue
    378
    
    Collation (Sorting)
    378
    
    Page Protect
    378
  - Specifications
    379
    
    General Specifications
    381
    
    Supported Paper Sizes
    382
  - Software Accessories
    383
    
    Printer Drivers
    383
    
    Utility Software
    383
  - Machine Configuration
    384
    
    System Components
    384

Ricoh B044 Service Manual (16 pages)

Brand: Ricoh | Category: All in One Printer | Size: 0 MB

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