CONTENTS

2.7.10Adjusting the Pressure of the Paper Deck Separation/Feeding

Roller

5-39

2.7.11 Positioning the Cassette Pickup

Roller Releasing Solenoid

 

(SL9, SL10)

5-39

2.7.12Adjusting the Pressure of the Multifeeder Separation

Roller

5-40

2.7.13Adjusting the Position of the Multifeeder Pick-Up Roller

 

Releasing Solenoid

 

 

(SL5)

5-40

2.7.14

Adjusting the Position of the

 

Delivery Paper Deflecting Plate

 

Solenoid (SL14)

5-40

2.7.15

Adjusting the Position of the

 

Duplexing Unit Paper Deflect-

 

ing Plate Solenoid

 

 

(SL11)

5-41

2.7.16Adjusting the Position of the Duplexing Unit Stacking

Assembly Paper Guide

 

Plate

5-41

2.7.17Adjusting the Position of the Duplexing Unit Feeding Roller

Solenoid (SL13)

5-42

2.7.18Attaching the Timing Belt for the Duplexing Unit Stacking

 

Assembly Paper Guide

 

 

Plate

5-42

2.7.19

Adjusting the Position of the

 

Separation Claw Solenoid

 

 

(SL15)

5-43

2.7.20

Adjusting the Position of the

 

Upper Fixing Web Take-Up

 

 

Solenoid (SL3)

5-43

2.7.21

When Replacing the

 

 

Registration Roller Unit ....

5-43

2.7.22

Correcting Skew

 

 

Movement(slope of the

 

 

registration roller unit)

5-44

2.8 Laser Exposure System

5-45

2.8.1When Replacing the Laser

Unit

5-45

2.8.2When Replacing the Video Con-

troller PCB

5-45

2.8.3When Replacing the BD

Unit

5-45

2.8.4Adjusting the Laser Power 5-45

2.8.5Adjusting the Laser

Intensity

5-49

2.8.6 Laser Focus Adjustment ....

5-50

2.9Fixing Assembly-Related Parts 5-52

2.9.1Points to Note When Replacing

the Fixing Heater

5-52

2.9.2Adjusting the Nip (fixing pres-

sure adjusting nut)

5-52

2.9.3Adjusting the Mounting Posi-

 

tion of the External Paper

 

 

Delivery Unit

5-53

2.10 Electrical

5-54

2.10.1

When Replacing Major

 

 

Parts

5-54

2.10.2

Checking the Environment

 

 

Measurement PCB

5-58

2.10.3 Checking the High Voltage

 

 

Control System

5-60

2.10.4

Checking the

 

 

Photointerrupters

5-61

3 Troubleshooting Image Problems

5-66

3.1 Initial Checks

5-66

3.1.1 Checking the Site of

 

 

Installation

5-66

3.1.2

Checking the Originals

5-66

3.1.3Checking the Copyboard Cover, Copyboard Glass, and

Standard White Plate

5-66

3.1.4Checking the Charging

Assemblies ......................... 5-66

3.1.5Checking the Developing

Assembly

5-66

3.1.6 Checking the Paper

5-66

3.1.7Checking the Periodically

 

Replaced Parts

5-67

3.1.8

Others

5-67

3.2 Standard Image

5-67

3.2.1

Gray Scale

5-67

3.2.2

Color Patches

5-67

3.2.3

Photo

5-67

xii

COPYRIGHT © 2001 CANON INC.

CANON CLC5000 REV.0 JAN. 2001

Page 13
Image 13
Canon FY8-13GZ-000 manual Xii