Canon imagePRESS C1 P Service Manual page 360

Printer unit
Laser scanner motor
ITB HP signal
PVREQ signal
Laser
Drum/ITB motor
Pre-conditioning LED
Primary charging bias
Grid bias
Developing rotary motor
Developing bias (DC)
Developing bias (AC)
Developing clutch
Post charging bias
Primary transfer bias
Potential guide plate roller bias
Secondary transfer outside
roller contact/separation motor
Secondary transfer outside
roller drive
Secondary transfer bias
Secondary transfer cleaning
bias
ITB cleaner contact/separation
motor
ITB cleaner rotation
Upstream ITB cleaner bias
Downstream ITB cleaner bias
<In case of 5 full color, plain paper, an A4 sheet. >
Start key ON
Printer unit
PSTBY
Laser scanner
motor
ITB home position
signal
PVREQ signal
Laser
Drum/ITB motor
Pre-exposure LED
Primary charging
bias
Grid bias
Developing rotary
motor
Developing bias
(DC)
Developing bias
(AC)
Developing clutch
Post-charging bias
Primary charging
bias
Potential guide plate
roller bias
Secondary transfer
outside roller shift motor
Secondary transfer
outside roller drive
Secondary transfer
bias
Secondary transfer
cleaning bias
ITB cleaner shift
motor
ITB cleaner rotation
Upstream ITB
cleaner bias
Downstream ITB
cleaner bias
Remark:
When executing monochrome print, the ITB cleaner brush roller and the secondary transfer outside roller are always contacted to the ITB although while forming
image on the ITB.
Start key ON
PSTBY PINTR
Contact Separation
Contact
Imaging ready
PINTR
ENGEGE DIS ENGEGE
ENGEGE
Image forming possible timing
Y M
Separation
F-7-12
timing
L Y M
DIS ENGEGE
F-7-13
PRINT
C BK
Contact Separation
Contact
PRINT
C BK
ENGEGE DIS ENGEGE
ENGEGE
Chapter 7
LSTR
LSTR
7-11