Sequence Of Operation (Copying) - Canon iR4570 Series Service Manual

The following is the sequence of operation of initial rotation:
Pickup from the Cassette
Main motor
(M-motor)
Primary charging
(PRI)
Laser
(LD)
Developing AC
(DEV_AC)
Developing DC
(DEV_DC)
Developing clutch
(DEV_CL)
Transfer
(TR)
Static removal
(SEP)
Pickup from the Manual Feeder
Main motor
(M-motor)
Primary charging
(PRI)
Laser
(LD)
Developing AC
(DEV_AC)
Developing DC
(DEV_DC)
Developing clutch
(DEV_CL)
Transfer
(TR)
Static removal
(SEP)
In [1] above, a cleaning bias (-2600 V) is applied.

7.3.3 Sequence of Operation (copying)

iR2270 / iR2870
The sequence of operation during copying is as follows:
Pickup motor
F-7-6
Multifeeder
ON
F-7-7
[1]
[1]
Chapter 7
Registration
ON
Registration
ON
0006-6868
7-7