Canon Color imageRUNNER C4580 Service Manual - page 246
Chapter 9
9-5
9.1.3 Charging Specifications
Drum unit (high voltage)
T-9-10
T-9-11
T-9-12
Transfer unit specifications (high-voltage)
T-9-13
T-9-14
Photosensitive drum charging
Method of primary charging
roller contact
AC component rating specifications range
1300 to 2000 Vp-p (standard: 1500 Vp-p)
DC component rating specifications range
-300 to -700 V (standard: -450 V)
AC component voltage correction factor
environment sensor
DC component voltage correction factor
environment sensor, SALT sensor
Auxiliary charging
Method of charging
fur brush (upstream, downstream)
Upstream auxiliary brush AC component rating
specifications range
200 Vp-p
Upstream auxiliary brush DC component rating
specifications range
+200 to +300 V (standard: +250 V)
Downstream brush DC component rating specifications
range
-700 to -850 V (standard: -750 V)
Voltage correction factor
environment sensor
Developing bias
AC component standard value
1800 Vp-p (fixed)
DC component rating specifications range
-150 to -550 V (standard: -300 V)
Voltage correction factor
environment sensor, SALT sensor
Primary transfer
Method of transfer
Roller transfer
Object of transfer
Transfer belt (ITB)
DC component rating use range
0 to +1400 V
Voltage control factor
environment sensor, print mode*
Secondary transfer
Method of transfer
roller
Object of transfer
paper (transfer media)