Filter
Top Products
COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CONTENTS
T2
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/
MALFUNCTIONS
1 Making Initial Checks ................... 4-1T
1.1 Checking the Site of Installation
................................................ 4-1T
1.2 Checking the Originals ........... 4-1T
1.3 Checking the ADF Platen,
Copyboard cover, and Copyboard
glass (standard white plate) .... 4-1T
1.4 Charging Roller and Static Elimina-
tor ............................................ 4-2T
1.5 Checking the Developing Assembly
................................................ 4-2T
1.6 Checking the Paper ................. 4-2T
1.7 Checking the Periodically Replaced
Parts......................................... 4-2T
1.8 Image Adjustment Basic Procedure
................................................ 4-2T
1.9 Others ...................................... 4-3T
2 Samples of Image Faults ............... 4-6T
3 Troubleshooting Image Faults....... 4-7T
3.1 The copy is too light (halftone area
only) ........................................ 4-7T
3.2 The copy is too light (including
solid black).............................. 4-8T
3.3 The copy is too light (entire face,
considerable) ......................... 4-10T
3.4 The copy has uneven density
(darker at front) ..................... 4-12T
3.5 The copy has uneven density
(lighter at front)..................... 4-12T
2.7 Points to Note When Replacing the
CCD Unit .............................. 3-12T
2.8 When Replacing the Reader Con-
troller PCB ............................ 3-12T
3 Image Formation System ............ 3-13T
3.1 Positioning the Developing Assem-
bly Magnetic Seal ................. 3-13T
3.2 Mounting the Developing Assembly
Blade ..................................... 3-13T
3.3 Removing the Paper Lint ...... 3-14T
3.4 Cleaning the Waste Toner Case
.............................................. 3-15T
4 Fixing System ............................. 3-16T
4.1 Mounting the Locking Cam Unit
.............................................. 3-16T
5 Paper Deck .................................. 3-17T
5.1 Mounting the Front Cover .... 3-17T
5.2 Adjusting the Paper Level Indicator
.............................................. 3-18T
5.3 Adjusting the Position of the Sup-
port Member ......................... 3-18T
5.4 Mounting the Deck Pickup Roller
.............................................. 3-19T
5.5 Removing the Deck Pickup/Feeding
Roller .................................... 3-19T
5.6 Orientation of the Deck Pickup/
Feeding Roller ...................... 3-20T
5.7 Adjusting the Deck Separation
Roller Pressure ...................... 3-20T
5.8 Position of the Deck Pickup Roller
Releasing Solenoid (SL1D) .. 3-21T
5.9 Adjusting the Height of the Side
Member ................................. 3-22T
5.9.1 Before Making Adjustments
........................................ 3-22T
5.9.2 Making Adjustments....... 3-22T
6 Cassette Feeding Unit-W1 .......... 3-23T
6.1 Mounting the Pedestal Main Motor
.............................................. 3-23T
7 Envelope Feeder Attachment....... 3-24T
7.1 Envelopes and Type of Spring
.............................................. 3-24T
7.2 Replacing the Spring............. 3-24T
7.2.1 Replacing the Spring ...... 3-24T
7.3 Changing the Size ................. 3-25T
7.3.1 Changing the Size........... 3-25T