CONTENTS

 

2.7

Points to Note When Replacing the

 

5.5

Removing the Deck Pickup/Feeding

 

 

CCD Unit

3-12T

 

 

Roller

3-19T

 

2.8

When Replacing the Reader Con-

 

5.6

Orientation of the Deck Pickup/

 

 

troller PCB

3-12T

 

 

Feeding Roller

3-20T

3

Image Formation System

3-13T

 

5.7

Adjusting the Deck Separation

 

3.1

Positioning the Developing Assem-

 

 

Roller Pressure

3-20T

 

 

bly Magnetic Seal

3-13T

 

5.8

Position of the Deck Pickup Roller

 

3.2

Mounting the Developing Assembly

 

 

Releasing Solenoid (SL1D) ..

3-21T

 

 

Blade

3-13T

 

5.9

Adjusting the Height of the Side

 

3.3

Removing the Paper Lint

3-14T

 

 

Member

3-22T

 

3.4

Cleaning the Waste Toner Case

 

5.9.1

Before Making Adjustments

 

 

..............................................

3-15T

 

 

 

........................................

3-22T

4

Fixing System

3-16T

 

5.9.2

Making Adjustments

3-22T

 

4.1

Mounting the Locking Cam Unit

6

Cassette Feeding Unit-W1

3-23T

 

 

..............................................

3-16T

 

6.1

Mounting the Pedestal Main Motor

5

Paper Deck

3-17T

 

 

..............................................

3-23T

 

5.1

Mounting the Front Cover ....

3-17T

7

Envelope Feeder Attachment

3-24T

 

5.2

Adjusting the Paper Level Indicator

 

7.1

Envelopes and Type of Spring

 

 

 

..............................................

3-18T

 

 

..............................................

3-24T

 

5.3

Adjusting the Position of the Sup-

 

7.2

Replacing the Spring

3-24T

 

 

port Member

3-18T

 

7.2.1

Replacing the Spring

3-24T

 

5.4

Mounting the Deck Pickup Roller

 

7.3

Changing the Size

3-25T

 

 

..............................................

3-19T

 

7.3.1

Changing the Size

3-25T

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

1.3Checking the ADF Platen, Copyboard cover, and Copyboard

glass (standard white plate) ....

4-1T

1.4 Charging Roller and Static Elimina-

tor

4-2T

1.5Checking 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

T2

COPYRIGHT © 2001 CANON INC.

CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001

Page 389
Image 389
Canon IR2200, IR3300, IR2800 manual Troubleshooting Image FAULTS/ Malfunctions