COPYRIGHT
©
2002 CANON INC. CANON iR2200/iR2800/iR3300 REV.1 JAN. 2002
CONTENTS
P2
2.2.2 AC Bias .............................4-5P
2.3 Controlling theCurrentVoltage/
Current to a Specific Level .......4-5P
2.3.1 Controlling the DC Bias to
aSpecific Level ..................4-5P
2.3.2 Controlling theAC Bias to
aSpecific Current Level .....4-5P
2.4 TemperatureCorrectionof
the DC Bias ..............................4-6P
2.5 Humidity Correction of
the AC Bias ..............................4-6P
2.6 Controlling 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
Operating Mode .....................4-11P
3.4.1 Types of Modes ...............4-11P
3.4.2 Turning On/Off the
Cleaning Bias ...................4-12P
3.5 Controlling the Output ............4-13P
4 Controllingthe Separation Static
EliminatorBias .............................4-14P
4.1 Outline ....................................4-14P
4.2 Turning On/Off the Bias.........4-15P
4.3 Controlling the Bias to a
SpecificVoltageLevel .............4-15P
4.4 Controlling the Output by
Paper Type and Environment
Sensor (humidity) ...................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
7.2.2 Controlling the DC
Developing Bias ...............4-20P
7.2.3 Controlling theAC
Developing Bias ...............4-20P
7.2.4 Controlling the Level of
the DC Developing Bias ..4-20P
7.3 Detectingthe 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
9.1.1 Removing the Pre-Exposure
Lamp Unit........................4-27P
9.2 Photosensitive Drum ..............4-28P
9.2.1 Removing the Drum Unit 4-28P
9.2.2 Cleaningthe
Photosensitive Drum ........4-29P
9.3 Transfer Charging Roller ........4-30P
9.3.1 Removing the Transfer
Charging Roller ................4-30P
9.4 Charging Roller Solenoid .......4-31P
9.4.1 Removing the Charging
Roller Solenoid (SL6) ......4-31P
9.5 Developing Assembly ............4-33P
9.5.1 Removing the Developing
Assembly ........................4-33P
9.5.2 Removing the Grip
Assembly .........................4-34P
9.5.3 Removing the Toner
Sensor ..............................4-34P
9.5.4 Removing the Developing
Assembly Upper Cover ...4-34P
9.5.5 Removing the Blade
Base Unit .........................4-35P
9.5.6 Removing the Developing
Cylinder ...........................4-35P
