Troubleshooting Image FAULTS/ Malfunctions

CONTENTS

CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/ MALFUNCTIONS


1 Guide to Table			5-1
1.1	Image Adjustment Basic
	Procedure		5-3
1.2	Points of the Scheduled
	Servicing		5-5
2 Standards and Adjustments			5-7
2.1	Image-Related Parts		5-7
2.1.1		Non-Image Width	5-7
2.1.2		Image Margin	5-8

2.1.3Checking and Adjusting the

Non-Image Width and
Margin	5-9

2.1.4Image Positioning Correction

........................................... 5-16

2.2 Original Illuminating System .. 5-17

2.2.1When Replacing the Scanning Lamp, Standard White Plate, Lamp Regulator, Reflecting

Lamp Cover, Reader Controller PCB, Flash memory on Reader Controller PCB, or Analog Pro- cessor PCB CCD Unit ....... 5-17

2.2.2Routing the Scanner Cable 5-17

2.3Photosensitive Drum-Related

Parts

5-21

2.3.1Removing the Photosensitive

Drum

5-21

2.3.2Points to Note When Installing

the Photosensitive Drum .... 5-22

2.3.3Points to Note When Fitting the

Drum Drive Belt	5-23
2.4 Charging Assembly-Related
Parts	5-23

2.4.1Adjusting the Height of the

Charging Wire

5-23

2.4.2Points to Note When Handling

the Primary Grid Plate and the

Primary Charging Wire	5-24
2.5 Developing Assembly-Related
Parts	5-24
2.5.1 Replacing the Developer ....	5-24

2.5.2When Replacing the Develop-

ing Assembly (CMYK) ...... 5-28

2.5.3 When Replacing the
Photosensitive Drum	5-29

2.5.4When Supplying the Hopper

with Toner	5-30
2.6 Transfer Belt Unit	5-31

2.6.1Points to Note When Replacing

the Transfer Belt

5-31

2.6.2Initializing the Transfer Belt

Swing Control Data

5-32

2.6.3Adjusting the Tension on the Drive Belt of the Transfer Belt

Motor

5-32

2.6.4Adjusting the Position of the Transfer Belt-Related

Solenoid	5-33
2.7 When Replacing the Pick-Up/
Feeding-Related Parts	5-34

2.7.1Registering the Cassette/ Multifeeder Paper Width Basic

Setting (under ‘FUNC’)

5-34

2.7.2Orientation of the Cassette

Pickup Roller

5-36

2.7.3Orientation of the Cassette

Feed Roller

5-37

2.7.4Orientation of the Cassette

Separation Roller

5-37

2.7.5Adding the Pressure of the Cassette Separation Roller . 5-37

2.7.6Orientation of the Paper Deck

Pick-Up Roller

5-38

2.7.7Orientation of the Paper Deck

Pick-Up/Feeding Roller

5-38

2.7.8Orientation of the Paper Deck

Separation Roller

5-38

2.7.9Adjusting the Position of the Paper Deck Pick-Up Roller Releasing Solenoid

(SL8001)

5-39

CANON CLC5000 REV.0 JAN. 2001