Toshiba 1550 Manuals

Manuals and User Guides for Toshiba 1550. We have 5 Toshiba 1550 manuals available for free PDF download: Service Manual, Service Handbook, Manual, Operator's Manual

Toshiba 1550 Service Manual (213 pages)

Brand: Toshiba | Category: Copier | Size: 4 MB

General Preacutions
2
Specifications
4
Accessories
7
Options and Supplies
7
Table of Contents
8
Outline of the Machine
8
Front and Rear Sectional Views for the 1560
10
Electrical Parts Location Diagram
12
DC Electrical Parts Excluding Motors
12
Mirror
12
- Electrical Parts such as Motors
  13
- AC Electrical Parts
  14
- Exposure Lamp
  14
  - Symbol and Function of Electrical Parts
    15
  - Location Diagram for Upper Unit
    18
  - Wire-Harness Location Diagram
    18
  - Location Diagram for Lower Unit
    19
  - Front Cover
    20
  - Inner Cover
    20
  - Removing Covers
    20
  - Right-Side Covers and Feed-Side Cover
    21
  - Rear Cover
    22
  - Top Cover and Glass Holder
    22
  - Left-Top Cover, Left-Side Cover and Left-Side Cover
    23
  - Raise the Upper Unit
    23
  - Control Panel Cover
    24
  - Removal and Installation of Electrical Parts
    25
  - Remove the Control-Panel PC Board
    25
  - Logic PC Board
    26
  - Power Supply Unit
    26
  - Total Counter
    26
  - Door Switch and Main Switch
    27
  - Door Switch Connector Connecting Diagram
    29
  - Main Switch Connector Connecting Diagram
    29
  - Exit Fan
    30
  - High-Voltage Transformer for the Main Charger
    30
  - Size Switch
    30
  - Front Optics Fan
    31
  - Fuse
    31
  - Fuse PC Board
    31
  - Lamp Regulator PC Board
    32
  - Main Motor
    32
  - Optics Fan
    33
  - Copying Process
    34
  - ED-1550/1560 Copying Process
    35
  - Copier Operation
    37
  - Description of Operation
    37
  - During Warm up
    37
  - Operation Outline
    37
  - Aligning Operation
    38
- Carriage 2
  38
  - 1550/1560
    41
  - Bypass-Feed Copying
    41
  - Interrupt Copying
    41
  - Fault Detection
    42
  - After Power Supply Is Turned on
    46
  - Flow Charts
    46
  - Automatic Feed Copying
    48
  - Control Panel and Indication Panel
    50
  - Display Unit
    50
  - Items Displayed on Control Panel
    51
  - Relationship between Machine Condition and Operator’s Action
    52
  - LED Display Circuit
    53
  - LED Display Method
    53
  - Conditions for LED to Come on
    54
  - Construction
    55
  - Drive Mechanism
    55
Aligning Roller (Lower
55
- Lower Unit Drive
  56
- Upper Unit Drive
  56
- Explanation of Functions
  57
- Disassembly and Replacement
  58
- Drum Drive Gear and Developer Drive Gear
  58
- Mirror
  58
  - Lower Drive Unit
    63
  - Main Motor Drive
    64
  - Control Signal
    65
  - Signal Level of Motor Circuit
    65
  - Bypass Feed Roller
    66
  - Bypass Feed Section
    66
  - Removal of the Clutch
    66
  - Removal of the Separation Pad
    66
- Mirror Unit
  68
- Optical System
  68
Mirror
69
- Explanation of Operation
  70
- Scanning Motor
  70
- Mirror Motor and Lens Motor
  71
- Immediately after the Power on
  72
- Mirror
  72
Auto Exposure PC Board
73
- Mirror Motor
  74
- Lens Motor
  75
- Home Switch, Mirror Switch and Lens Switch
  75
- Exposure Lamp and Thermofuse
  76
Original Glass
76
- Carriage 1
  77
- Carriage Drive Wire
  78
- Mirror 6
  81
- Pulse Motor Drive Circuit
  82
- Form of Electric Wave that Flows into the Motor
  83
- Waveform Timing Chart of each Section
  84
- Equivalent Circuit of STK6712B
  84
- Pulse Motor Dirve Circuit
  85
- Exposure Control Circuit
  86
- Brief Description
  86
- Function of Lamp Regulator
  87
- Characteristics of the Curve of the Lamp Regulator
  87
- Automatic Exposure Sensor Circuit
  88
- Arithmetic and Control Unit
  88
- Lamp Regulator Circuit
  89
- Lower Paper Feeder Unit Turned Upside down
  90
- Upper Paper Feeder Unit
  90
- Feeder Unit
  90
Aligning Roller (Upper
90
- Paper Feeding Operation
  91
- Aligning Roller (Upper
  91
- Paper Separation Operation
  92
- Manual Feeding Operation
  92
- Cassette Feeding Operation
  92
- Upper Paper Feed Unit
  94
- Aligning Switch
  94
- Clutch and Aligning Rollers
  95
- Aligning Roller (Upper
  96
- Lower Paper Feed Unit
  97
- Empty Switch
  98
- Pick-Up Roller and Feed Roller
  100
- Pick-Up Roller Clutch and Feed Roller Clutch
  100
- Drum-Related Section
  101
Discharge Lamp
101
- Main Charger, Discharge Lamp and LED Erasing Array
  102
- Transfer/Separation Chargers
  102
- Process Unit
  103
- Discharge Lamp
  103
- Main Charger Unit
  103
- Main Charger
  104
- LED Erasing Array
  104
- Replacing the Cleaning Pad
  105
- Replacing the Charge Wire
  106
- Damp Heater Unit
  107
- Transfer/Separation Terminal
  108
- Main Charger Terminal
  109
- Transfer/Separation Electric Current Control Circuit
  110
- Description
  110
- Transfer/Separation Control Circuit Diagram
  110
- LED Eraser Array
  111
- High-Voltage Transformer (PS-HVT)
  113
- Front Sectional View
  114
- Developer Unit
  114
- Drive System
  115
- Magnetic Roller, Mixer 1 and Mixer 2
  115
- Toner Cartridge
  115
- Removal and Installation of the Developer Unit
  116
- Installing the Developer Material
  116
- Removing the Developer Material
  118
- Guide Rollers
  119
- Front Side
  119
- Rear Side
  120
- Toner Cartridge Drive Motor
  121
- Auto-Toner Sensor
  121
- Magnetic Roller
  122
- Brush Motor Drive
  123
- Auto-Toner Sensor Circuit
  124
- Operation of Auto-Toner Sensor
  125
- Functions of Auto-Toner Sensor
  125
- Cleaner Unit
  127
- View with the Drum, Main Charger Unit and Developer Unit Removed
  127
- View with the Drum Removed
  127
Recovery Blade
127
Toner Recovery Auger
128
Drum
129
- Main Blade
  131
- Toner Full Switch
  132
- View with the Upper Heat Roller Removed
  133
- View with the Fuser Guard Removed
  133
- Fuser and Paper Exit Section
  133
- Fuser Unit
  134
- Paper Exit Section
  134
- Heater Lamp
  135
- Thermostat, Thermistor and Brush
  136
- Cleaning Felt Roller and Cleaning Blade
  137
- Upper Heat Roller
  137
- Lower Heat Roller
  137
- Lower Exit Roller and Paper Exit Switch
  138
- Paper Exit Switch
  139
- Lever Caps
  139
- Lower Exit Roller
  139
- Separation Claws
  139
- Heater Control Circuit
  141
- Temperature Detection Unit
  141
- Thermistor Disconnection Detection
  142
- Optional Paper Feeding Unit
  143
- General Description
  144
- Names of the Main Components
  144
- View with the Rear Cover and Cassette Removed
  144
- Symbols and Functions of Electrical Parts
  145
- Aligning Roller (Upper
  146
- Functions and Operation
  146
- Detection and Clearing of Paper Jams
  147
- Covers and Paper Guide
  149
- Jam Access Cover
  149
- Paper Guide
  149
- Transport Rollers, Paper Stop Switch
  151
- Transport Roller Clutch and Door Switch
  151
Transport Guide
152
- Separation, Pick-Up and Feed Rollers
  153
- Lower Paper Feeding Unit
  154
- Drive Motor and Drive PC Board
  155
- Flow Chart
  157
- Timing Chart
  161
- A4 Lateral Single-Sheet Copying
  161
- A4 Lateral Two-Sheets Copying
  161
- Explanation of Circuits
  162
- Interface Signals
  162
- Signals from the Copier to the Paper Feeding Unit
  162
- Signals from the Paper Feeding Unit to the Copier
  162
- Driving of the Drive Motor
  163
- Current Route While the Motor Is Turned On/Off
  163
- Electric Circuit Diagram and PC Board Assembly
  164
- PFU Drive Circuit Diagram
  164
- Harness Location Diagram
  165
- Harness Connection Diagram
  166
- PC Board Assembly
  167
- Electrical Circuit Diagram
  168
- Logic Circuit
  168
- 1560 Logic Circuit
  176
- Power Supply Circuit
  184
- Control Panel Circuit
  185
- Fuser Circuit
  189
- Power Stabilizing Circuit
  190
- Explanation of Circuit Operation
  191
- Pwa-F-Fus
  192
- Pwa-F-Lgc
  192
- Pwa-F-Pnl
  193
- Pwa-F-Aes
  193
- Pwa-F-Lrg
  193
- AC Harness Connection Diagram
  194
- AC Control Circuit
  194
- DC Harness Connection Diagram
  195
- Unpacking and Set-Up Procedure for the 1550
  197
- Installing the Copy Receiving Tray
  198
- Setting the Developer Unit
  199
- Automatic Adjustment of the Auto-Toner Sensor
  201
- Adjustment Procedure
  201
- Final Operation Check
  202
- Changing the Image Settings
  202
- Light Distribution Adjustment
  202
- Exposure Adjustment
  202
- Adjustment of Manual Exposure
  203
- Automatic Adjustment of Auto Exposure
  204
- Manual Adjustment of Exposure
  205
- Changing the Paper Size of the Cassette
  206
- Procedure for Installing the Toner Cartridge
  207
- Unpacking and Set-Up Procedure for the Paper Feeding Unit MY-1004
  208
- Installation Procedure
  209

Toshiba 1550 Service Handbook (63 pages)

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