Controls - Canon imageRUNNER ADVANCE C3330 Series Service Manual

Bias name
Developing bias (DC)
Developing bias (AC)
Primary transfer bias
Secondary transfer bias
The abovementioned biases are generated by the 2 High Voltage PCBs and are also supplied to the loads used in printing
process.

Controls

■ Overview
Drum Unit / Developing Unit
Parts / Drive Configuration
Drum Cleaning / Drum Cleaning Pre-exposure Control
Drum Unit Detection
Drum Unit Life Detection
Primary Charging
Toner Supply Area
Parts / Drive Configuration
Opening/Closing of Toner Container Shutter
Bottle State Detection
Toner Container Detection
ATR (Auto Toner Replenishment) Control
Toner Supply Control
Toner Level Detection
Detection of Toner Container Premature Replacement / Toner
Replacement Completion
Transfer/Separation
Parts / Drive Configuration
Primary Transfer Control
Secondary Transfer Control
Primary Transfer Roller Disengagement Control
ITB Displacement Correction
ITB Cleaning
Secondary Transfer Outer Roller Cleaning Control
Bias Application location
types
DC Developing Cylinder
AC
DC Primary Transfer Roller
DC Secondary Transfer Outer Roller
Y M
"Parts / Drive Configuration" on page 71
"Primary Transfer Control" on page 72
"Secondary Transfer Control" on page 73
"Primary Transfer Roller Disengagement Control" on page 73
"ITB Displacement Correction" on page 75
"ITB Cleaning" on page 75
"Secondary Transfer Outer Roller Cleaning Control" on page 76
Secondary Transfer High Voltage PCB (UN03)
Primary Transfer High Voltage PCB (UN02)
Secondary Transfer High Voltage PCB (UN03)
Primary Transfer DC
Primary Transfer
High-voltage PCB
C BK
Secondary
High-voltage
Secondary
Transfer DC
Charging DC
DC Controller
"Drum Unit / Developing Unit" on page 65
"Parts / Drive Configuration" on page 65
"Drum Cleaning/Drum Cleaning Pre-exposure Control" on page 66
"Drum Unit Detection" on page 67
"Drum Unit Life Detection" on page 68
"Primary Charging" on page 70
"Toner Supply Area" on page 83
"Parts / Drive Configuration" on page 83
"Opening/Closing of Toner Container Shutter" on page 84
"Bottle State Detection" on page 84
"Toner Container Detection" on page 85
"ATR (Auto Toner Replenishment) Control" on page 86
"Toner Supply Control" on page 87
"Toner Level Detection" on page 89
"Detection of Toner Container Premature Replacement / Toner Replace-
ment Completion" on page 90
"Transfer/Separation" on page 71
64
2. Technology
Control PCB
UN02
UN03
Transfer
PCB
UN04
PCB