Table Of Contents - Canon imageRUNNER 1019J Service Manual

4.2.2 Basic Sequence after Depression of Start Key (Book mode, One Sheet of original)
4-4
4.2.3 Basic Sequence after Depression of Start Key (ADF Mode, One Sheet of Original)
4-5
4.3 Various Control .................................................................................................. 4-6
4.3.1 Enlargement/Reduction ............................................................................................4-6
4.3.1.1 Magnification Change in Vertical Scan Direction ............................................................ 4-6
4.3.1.2 Magnification Change in Horizontal Scan Direction ........................................................ 4-6
4.3.2 Dirt Sensor Control ....................................................................................................4-6
4.3.2.1 Outline .................................................................................................................................... 4-6
4.4 Parts Replacement Procedure ........................................................................ 4-8
4.4.1 Copyboard glass ........................................................................................................4-8
4.4.2 Reader Controller PCB .............................................................................................4-8
4.4.3 Scanner Motor ............................................................................................................4-9
4.4.4 Contact sensor ...........................................................................................................4-9
4.4.5 Contact Sensor HP Sensor ....................................................................................4-10
Chapter 5 Laser Exposure
5.1 Construction ....................................................................................................... 5-1
5.1.1 Specifications and Control Mechanism .................................................................. 5-1
5.1.2 Main Components ...................................................................................................... 5-2
5.2 Parts Replacement Procedure ........................................................................ 5-3
5.2.1 Laser Scanner Unit ....................................................................................................5-3
Chapter 6 Image Formation
6.1 Construction ....................................................................................................... 6-1
6.1.1 Specifications and Control Mechanism .................................................................. 6-1
6.1.2 Outline .......................................................................................................................... 6-2
6.2 Image Formation Process ................................................................................ 6-3
6.2.1 Reproduction Processes ........................................................................................... 6-3
6.3 Parts Replacement Procedure ........................................................................ 6-5
6.3.1 Developing Assembly ................................................................................................6-5
6.3.2 Transfer Charging Roller ..........................................................................................6-5
6.3.3 Waste Toner Full Sensor ..........................................................................................6-6
Chapter 7 Pickup/Feeding System
7.1 Construction ....................................................................................................... 7-1
7.1.1 Outline .......................................................................................................................... 7-1
Contents