Canon iR2200 Service Handbook page 4

CONTENTS
2.7 Points to Note When Replacing the
CCD Unit ................................. 3-12
2.8 When Replacing the Reader Con-
troller PCB ............................... 3-12
3 Image Formation System ............... 3-13
3.1 Positioning the Developing Assem-
bly Magnetic Seal .................... 3-13
3.2 Mounting the Developing Assembly
Blade ........................................ 3-13
3.3 Removing the Paper Lint ......... 3-14
3.4 Cleaning the Waste Toner Case
................................................. 3-15
4 Fixing System ................................. 3-16
4.1 Mounting the Locking Cam Unit
................................................. 3-16
5 Paper Deck ..................................... 3-17
5.1 Mounting the Front Cover ....... 3-17
5.2 Adjusting the Paper Level Indicator
................................................. 3-18
5.3 Adjusting the Position of the Sup-
port Member ............................ 3-18
5.4 Mounting the Deck Pickup Roller
................................................. 3-19
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/
1 Making Initial Checks ...................... 4-1
1.1 Checking the Site of Installation
................................................... 4-1
1.2 Checking the Originals .............. 4-1
1.3 Checking the ADF Platen,
Copyboard cover, and Copyboard
glass (standard white plate) ........ 4-1
1.4 Charging Roller and Static Elimina-
tor ............................................... 4-2
1.5 Checking the Developing Assembly
................................................... 4-2
1.6 Checking the Paper .................... 4-2
1.7 Checking the Periodically Replaced
Parts ............................................ 4-2
MALFUNCTIONS
5.5 Removing the Deck Pickup/Feeding
Roller ....................................... 3-19
5.6 Orientation of the Deck Pickup/
Feeding Roller .......................... 3-20
5.7 Adjusting the Deck Separation
Roller Pressure ......................... 3-20
5.8 Position of the Deck Pickup Roller
Releasing Solenoid (SL1D) ..... 3-21
5.9 Adjusting the Height of the Side
Member .................................... 3-22
5.9.1 Before Making Adjustments
........................................... 3-22
5.9.2 Making Adjustments .......... 3-22
6 Cassette Feeding Unit-W1 ............. 3-23
6.1 Mounting the Pedestal Main Motor
................................................. 3-23
7 Envelope Feeder Attachment .......... 3-24
7.1 Envelopes and Type of Spring
................................................. 3-24
7.2 Replacing the Spring ................ 3-24
7.2.1 Replacing the Spring ......... 3-24
7.3 Changing the Size .................... 3-25
7.3.1 Changing the Size .............. 3-25
1.8 Image Adjustment Basic Procedure
................................................... 4-2
1.9 Others ......................................... 4-3
2 Samples of Image Faults .................. 4-6
3 Troubleshooting Image Faults .......... 4-7
3.1 The copy is too light (halftone area
only) ........................................... 4-7
3.2 The copy is too light (including
solid black) ................................. 4-8
3.3 The copy is too light (entire face,
considerable) ............................ 4-10
3.4 The copy has uneven density
(darker at front) ........................ 4-12
3.5 The copy has uneven density
(lighter at front) ........................ 4-12