Contents
4.1
Basic Operation
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4- 1
4.1.1
Basic Operation
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4- 1
4.1.2
Original Detection
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4- 2
4.2
Detection Jams
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4- 2
4.2.1
Jam Detection
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4- 2
4.3
ADF
............................................................................................................................................................
4- 3
4.3.1
Pick-up Roller
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4- 3
4.3.1.1
Removing the ADF Pickup Roller
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4- 3
4.3.2
ADF Motor
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4- 3
4.3.2.1
Preparation for Removing the ADF Motor
................................................................................................................................
4- 3
4.3.2.2
Removing the ADF Motor
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4- 3
4.3.3
Separation Pad
........................................................................................................................................................
4- 4
4.3.3.1
Removing the Separation Pad
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4- 4
Chapter 5
Laser Exposure
5.1
Overview/Configuration
..............................................................................................................................
5- 1
5.1.1
Overview
..................................................................................................................................................................
5- 1
5.2
Controlling the Laser Activation Timing
......................................................................................................
5- 2
5.2.1
Laser ON / OFF Control
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5- 2
5.3
Controlling the Intensity of Laser Light
.......................................................................................................
5- 2
5.3.1
Auto Photoelectric Current Control (APC)
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5- 2
5.4
Controlling the Laser Scanner Motor
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5- 3
5.4.1
Overview
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5- 3
5.4.2
Scanner Motor Speed Control
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5- 3
5.4.3
Detection of Fault of the Scanner Motor
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5- 3
5.5
Parts Replacement Procedure
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5- 4
5.5.1
Laser/Scanner Unit
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5- 4
5.5.1.1
Preparation for Removing the Laser Scanner Unit
..................................................................................................................
5- 4
5.5.1.2
Removing the Laser Scanner Unit
...........................................................................................................................................
5- 4
Chapter 6
Image Formation
6.1
Overview/Configuration
..............................................................................................................................
6- 1
6.1.1
Configuration
............................................................................................................................................................
6- 1
6.1.2
Print Process
............................................................................................................................................................
6- 1
6.2
Driving and Controlling the High-Voltage System
......................................................................................
6- 3
6.2.1
Generation of Transfer Charging Bias
.....................................................................................................................
6- 3
6.3
Toner Cartridge
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6- 3
6.3.1
Toner Level Detection
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6- 3
6.4
Parts Replacement Procedure
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6- 4
6.4.1
Transfer Charging Roller
..........................................................................................................................................
6- 4
6.4.1.1
Removing the Transfer Charging Roller
..................................................................................................................................
6- 4
Chapter 7
Pickup and Feed System
7.1
Overview/Configuration
..............................................................................................................................
7- 1
7.1.1
Overview
..................................................................................................................................................................
7- 1
7.2
Other Control
..............................................................................................................................................
7- 1
7.2.1
Overview
..................................................................................................................................................................
7- 1
7.3
Detection Jams
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7- 3
7.3.1
Jam Detection Outline
..............................................................................................................................................
7- 3
7.3.1.1
Overview
..................................................................................................................................................................................
7- 3
7.3.2
Delay Jams
..............................................................................................................................................................
7- 3
7.3.2.1
Pickup Delay Jam
...................................................................................................................................................................
7- 3
7.3.2.2
Delivery Delay Jam
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7- 3