Toshiba e-STUDIO200L/230/280 SERIES Manuals

Manuals and User Guides for Toshiba e-STUDIO200L/230/280 SERIES. We have 1 Toshiba e-STUDIO200L/230/280 SERIES manual available for free PDF download: Service Manual

Toshiba e-STUDIO200L/230/280 SERIES Service Manual

Toshiba e-STUDIO200L/230/280 SERIES Service Manual (322 pages)

Brand: Toshiba | Category: All in One Printer | Size: 15.68 MB

Table of Contents

Table of Contents
7
1 Specifications / Accessories / Options / Supplies

11
- E-STUDIO200L/230/280
  11
- Specifications
  11
- Accessories
  16
- Options
  17
- Supplies
  18
- System List
  19
2 Outline of the Machine

25
- Sectional View
  25
- Electric Parts Layout
  28
- Symbols and Functions of Various Components
  39
- General Description
  48
  - System Block Diagram
    48
  - Construction of Boards
    49
- Installation and Replacement of Covers and PC Boards
  51
  - Covers
    51
  - PC Boards
    58
- Installation and Replacement of Options
  64
3 Copy Process

83
4 General Operation

97
- Overview of Operation
  97
- Description of Operation
  98
  - Warming-Up
    98
  - Ready State (Ready for Copying)
    98
  - Drawer Feed Copying (Upper Drawer Paper Feeding)
    99
  - Bypass Feed Copying
    101
  - Interruption Copying
    101
- Detection of Abnormality
  102
  - Types of Abnormality
    102
  - Description of Abnormality
    103
- Flow Chart
  108
  - Immediately after the Power Is Turned on
    108
  - Automatic Paper Feed Copying
    110
5 Control Panel

113
- Control Panel and Display Panel
  113
- Items Shown on the Control Panel
  114
  - Display
    115
- Relation between the Equipment State and Operator's Operation
  120
- Description of Operation
  124
  - Dot Matrix LCD Circuit
    124
  - LED Display Circuit
    127
- Disassembly and Replacement
  128
6 Scanner

131
- Function
  131
- Construction
  132
- Description of Operation
  134
  - Scan Motor
    134
  - Scanning Drive Circuit
    135
  - Initialization at Power-ON
    137
- Control of Exposure Lamp
  138
  - General Description
    138
  - Exposure Lamp
    139
  - Control Circuit for the Exposure Lamp
    140
- General Description of CCD Control
  141
  - Opto-Electronic Conversion
    141
  - Shading Correction
    141
- Automatic Original Size Detection Circuit
  142
  - Principle of Original Size Detection
    142
  - Process of Detection of Original Size
    143
- Disassembly and Replacement
  147
7 Image Processing

159
- General Description
  159
- Configuration
  161
- SLG Board (PWA-F-SLG-371)
  162
  - Features
    162
  - Functions of Image Processing Circuit
    162
- LGC Board (PWA-F-LGC-371)
  166
  - Features
    166
  - Functions of Image Processing Circuit
    166
- Laser Driving PC Board
  167
8 Laser Optical Unit

169
- General Description
  169
- Structure
  171
- Laser Diode
  174
- Polygonal Motor
  175
- Internal Cooling Fan-2
  176
- Disassembly and Replacement
  177
9 Paper Feeding System

181
- Functions
  181
- Operation
  185
  - Operation of Bypass Pickup Roller
    185
  - Operation of Drawer Pickup Roller
    186
  - Separation of Paper
    187
  - Operation of Clutch
    188
  - General Operation
    189
- Drive Circuit of Tray-Up Motor
  191
- Disassembly and Replacement
  193
10 Drive System

215
- General Description
  215
- Functions
  216
- Main Motor
  217
  - Main Motor Drive
    217
  - Control Signals
    218
- Disassembly and Replacement
  219
11 Drum Related Section

223
- Configuration
  223
- Functions
  224
- High-Voltage Transformer Output Control Circuit
  226
  - General Description
    226
  - Description of Operation
    227
- Drum Temperature Detection Circuit
  228
  - General Description
    228
  - Construction
    228
- Temperature/Humidity Detection Circuit
  229
  - General Description
    229
  - Construction
    229
- Disassembly and Replacement
  230
12 Development System

243
- Configuration
  243
- Functions
  244
  - General Description
    244
  - Recovered Toner Supply Mechanism
    245
- Drive Circuit of Toner Motor
  246
- Auto-Toner Circuit
  248
  - General Description
    248
  - Function of Auto-Toner Sensor
    249
- Disassembly and Replacement
  251
13 Fuser Unit

263
- General Description
  263
- Operation
  264
- Functions
  265
- Heater Control Circuit
  267
  - Configuration
    267
  - Temperature Detection Section
    268
- Disassembly and Replacement
  273
14 Paper Exit Section

281
- General Description
  281
- Functions
  282
- Control Circuit of Exit Motor
  283
- Exit Motor Drive
  284
- Disassembly and Replacement
  285
15 Automatic Duplexing Unit (Adu) (Option: MD-0102)

289
- General Description
  289
- Description of Operations
  290
- Drive of ADU
  295
- Flow Chart
  296
- Disassembly and Replacement
  298
16 Power Supply Unit

307
- Construction
  307
- Operation of DC Output Circuits
  308
- Output Channel
  309
- Fuse
  311
- Configuration of Power Supply Unit
  312
- Sequence of Power Supply
  313
- AC Wire Harness
  314
17 Pc Boards

315

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