CONTENTS

2.2.2 AC Bias

4-5P

2.3 Controlling the Current Voltage/

Current to a Specific Level

4-5P

2.3.1Controlling the DC Bias to a

Specific Level

4-5P

2.3.2Controlling the AC Bias to a

Specific Current Level

4-5P

2.4 Temperature Correction of the DC

Bias

4-6P

2.5Humidity Correction of the AC Bias

................................................. 4-6P

2.6Controlling the Detection of the

 

Photosensitive Drum Resistance

 

(APVC control)

4-7P

3 Controlling the Transfer Charging

 

Roller Bias

4-9P

3.1

Outline

4-9P

3.2

Turning On/Off the Bias

4-10P

3.3

Controlling the Detection of the

 

Transfer Charging Roller Resistance

 

(ATVC control)

4-10P

3.4

Controlling the Output by Operat-

 

ing Mode

4-11P

3.4.1 Types of Modes

4-11P

3.4.2Turning On/Off the Cleaning

 

Bias

4-12P

3.5

Controlling the Output

4-13P

4 Controlling the Separation Static Elimi-

nator Bias

4-14P

4.1

Outline

4-14P

4.2

Turning On/Off the Bias

4-15P

4.3

Controlling the Bias to a Specific

 

Voltage Level

4-15P

4.4Controlling the Output by Paper Type and Environment Sensor (hu-

 

 

midity)

4-15P

5

Controlling the Transfer Guide Bias

 

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

4-16P

 

5.1

Transfer Guide Bias

4-16P

6

Primary Charging Roller Cleaning

 

Mechanism

4-17P

 

6.1

Outline

4-17P

7

Developing Assembly

4-18P

 

7.1

Outline

4-18P

7.2 Controlling the Developing Bias

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

4-19P

7.2.1 Outline

4-19P

7.2.2Controlling the DC Developing

Bias

4-20P

7.2.3Controlling the AC Developing

Bias

4-20P

7.2.4Controlling the Level of the DC

 

 

Developing Bias

4-20P

 

7.3

Detecting the Level of Toner

 

 

 

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

4-21P

8

Drum Cleaner

4-22P

 

8.1

Outline

4-22P

 

8.2

Monitoring the Waste Toner Case

 

 

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

4-24P

 

8.3

Locking of the Waste Toner

 

 

 

Feedscrew

4-25P

9

Disassembly and Assembly

4-26P

 

9.1

Pre-Exposure Lamp Unit

4-27P

9.1.1Removing the Pre-Exposure

Lamp Unit

4-27P

9.2 Photosensitive Drum

4-28P

9.2.1Removing the Drum Unit 4-28P

9.2.2Cleaning the Photosensitive

Drum

4-29P

9.3 Transfer Charging Roller

4-30P

9.3.1Removing the Transfer Charg-

ing Roller

4-30P

9.4 Charging Roller Solenoid

4-31P

9.4.1Removing the Charging Roller

Solenoid (SL6)

4-31P

9.5 Developing Assembly

4-33P

9.5.1Removing the Developing As-

sembly

4-33P

9.5.2Removing the Grip Assembly

......................................... 4-34P

9.5.3Removing the Toner Sensor

......................................... 4-34P

9.5.4Removing the Developing As-

sembly Upper Cover

4-34P

9.5.5Removing the Blade Base Unit

......................................... 4-35P

9.5.6Removing the Developing Cyl-

inder

4-35P

P2

COPYRIGHT © 2001 CANON INC.

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

Page 133
Image 133
Canon IR2800, IR3300, IR2200 manual Controlling the Transfer Charging Roller Bias