Stella B292 Manuals

Manuals and User Guides for Stella B292. We have 1 Stella B292 manual available for free PDF download: Service Manual

Stella B292 Service Manual

Stella B292 Service Manual (229 pages)

Brand: Stella | Category: Bathroom Fixtures | Size: 7 MB

Table of Contents

Safety Notice
2
- Important Safety Notices
  2
- Laser Safety
  3
Symbols and Abbreviations
4
Table of Contents
5
1 Installation

12
- Installation Cautions
  12
- Installation Requirements
  13
  - Environment
    13
  - Machine Level
    13
  - Minimum Operational Space Requirements
    14
  - Power Requirements
    15
- Copier
  16
  - Accessory Check
    16
  - Installation Procedure
    17
- Paper Tray Unit
  22
  - Accessory Check
    22
  - Installation Procedure
    22
- Paper Tray Unit Heater
  24
  - Accessory Check
    24
  - Installation Procedure
    25
- Ardf (B872)
  32
  - Accessory Check
    32
  - Installation Procedure
    32
- DDST Unit (B880/893)
  39
  - Accessory Check
    39
  - Installation Procedure
    40
2 Preventive Maintenance

44
- PM Tables
  44
- How to Clear the PM Counter
  46
3 Replacement and Adjustment

48
- Precautions
  48
  - General
    48
  - Halogen-Free Cable
    48
- Special Tools and Lubricants
  49
- Exterior Covers and Operation Panel
  50
  - Rear Cover
    50
  - Copy Tray
    50
  - Scale Plate
    51
  - Operation Panel and Upper Covers
    52
  - Right Door
    53
  - Bypass Tray
    53
  - Platen Cover Sensor
    54
- Scanner Unit
  55
  - Exposure Glass
    55
  - Lens Block
    56
  - Exposure Lamp, Lamp Stabilizer Board
    56
  - Scanner Motor
    57
  - Scanner HP Sensor
    59
  - Scanner Alignment Adjustment
    59
- Fusing
  61
  - Fusing Unit
    61
  - Exit Sensor
    62
  - Hot Roller Stripper Pawls
    62
  - Hot Roller & Fusing Lamp
    63
  - Thermoswitches and Thermistor
    65
  - Pressure Roller
    66
  - Checking the NIP Band
    67
- PCU and Quenching Lamp
  68
  - Pcu
    68
  - Quenching Lamp
    69
- Exhaust Fan and Main Motor
  70
  - Exhaust Fan
    70
  - Main Motor
    71
- Paper Feed
  72
  - Paper Feed Roller and Friction Pad
    72
  - Paper End Sensor
    73
  - Registration Sensor
    73
  - Bypass Paper End Sensor
    74
  - Bypass Feed Roller
    75
  - Bypass Feed Clutch and Friction Pad
    76
  - Paper Feed and Registration Clutches
    77
- Image Transfer
  79
  - Transfer Roller
    79
  - ID Sensor and Duplex Roller
    80
  - Discharge Plate
    81
- BICU and Controller Board
  82
  - Bicu
    82
  - Controller Board (B280/B293 Models Only)
    83
- Other Replacements
  86
  - Duplex Motor
    86
  - High-Voltage Power Supply Board
    87
  - Psu
    88
  - Contact-Release Solenoid
    89
  - Toner Supply Clutch
    89
- Laser Unit
  91
  - Location of the Caution Decal
    91
  - LD Unit and Polygon Mirror Motor
    92
- Adjusting Copy Image Area
  93
  - Printing
    93
  - Scanning
    95
  - DF Image Adjustment
    98
4 Troubleshooting

100
- Service Call Conditions
  100
  - Summary
    100
  - SC Code Descriptions
    100
- Electrical Component Troubleshooting
  109
  - Sensor/Switch Open Errors
    109
  - Blown Fuse Conditions
    110
  - BICU LED Display
    111
5 Service Tables

112
- Service Program
  112
  - Using SP and SSP Modes
    112
  - Copier Service Program Mode Tables
    114
  - ID Sensor Error Analysis (SP2-221)
    140
  - Memory Clear
    141
  - Input Check (Sp5-803)
    142
  - Output Check (Sp5-804)
    144
  - Serial Number Input (Sp5-811-001)
    145
  - Nvram Data Upload/Download (Sp5-824/825)
    146
  - Firmware Update Procedure
    148
  - Test Pattern Print (Sp5-902-001)
    150
  - SMC Print (SP5-990)
    152
  - Printer Service Program Mode Table
    153
  - Scanner Service Program Mode Table
    153
6 Detailed Section Descriptions

154
- Overview
  154
  - Component Layout
    154
  - Electrical Components 1
    156
- Paper Path
  158
- Drive Layout
  159
- Block Diagram: Pcbs and Components
  160
- Main Pcbs
  161
  - Sbu (Sensor Board Unit)
    161
- Copy Process
  163
  - Overview
    163
- Scanning
  165
  - Overview
    165
  - Scanner Drive
    166
- Image Processing
  167
  - Overview
    167
  - Image Processing Path
    168
  - Original Modes
    168
  - Image Processing Steps for each Mode
    171
  - Mode Adjustments
    172
- Laser Exposure
  173
  - Overview
    173
  - LD Safety Switches
    174
- Photoconductor Unit (PCU)
  175
  - Overview
    175
  - DRUM Drive
    176
- Drum Charge
  177
  - Overview
    177
  - Charge Roller Voltage Correction
    178
  - Charge Roller Cleaning
    179
  - Detection of New PCU
    179
- Development
  181
  - Overview
    181
  - Development Bias
    182
  - Toner Supply
    182
  - Toner Density Control
    183
  - Toner Supply if Sensor Reading Is Abnormal
    184
  - Detection of Toner Near End and Toner End
    185
- Drum Cleaning and Toner Recycling
  186
- Paper Feed
  187
  - Overview
    187
  - Paper Feed Drive Mechanism
    188
  - Paper Feed and Separation
    190
  - Paper Lift Mechanism
    190
  - Paper End Detection
    191
- Image Transfer and Paper Separation
  193
  - Overview
    193
  - Image Transfer Current Timing
    193
  - Transfer Roller Cleaning
    194
- Image Fusing and Paper Exit
  195
  - Overview
    195
  - Hot Roller Drive
    196
  - Pressure Roller
    197
  - Pressure Release
    197
  - Separation
    198
  - Fusing Temperature Control
    198
- Duplex Unit
  202
  - Important Components
    202
  - Duplex Printing Process
    203
- Energy Saver Modes
  206
  - Overview
    206
  - Aof
    207
  - Timers
    207
  - Recovery
    207
- GDI Controller
  208
  - Overview
    208
  - Controller Functions
    210
  - Scanner Functions
    211
  - Network Interface
    212
  - Usb
    213
  - NVRAM on the GDI Controller
    215
7 Specifications

216
- General Specifications
  216
  - Copier
    216
  - Printer
    218
  - Scanner
    219
  - Ardf
    219
  - Paper Tray Unit
    220
- Supported Paper Sizes
  222
  - Original Paper Sizes
    222
  - Paper Feed
    223
- Machine Configuration
  226
  - Basic Model (B262/B292)
    226

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