Canon iR6570 series Service Manual page 109

Main motor
(M2)
Drum motor
(M1)
Pre-exposure
LED (LED1)
Primary charging
Laser
Developing clutch
(CL1)
Developing bias
(DC)
Developing bias
(AC)
Bias roller
Pre-transfer
charging (DC)
Pre-transfer
charging (AC)
Transfer charging
Separation
charging (DC)
Separation
charging (AC)
Fixing motor
(M3)
Fixing heater
(IH)
*1: temperature control under way for fixing standby mode.
*2: as in the case of standby, while copying/printing is under way, the fixing target temperature is decreased to suit the passage of time after the end of
start-up.
Main power
switch ON
PSTBY PINTR
1st PRINT
*1
Interval Description
PSTBY (standby) The machine is in a state in which it can accept a copy/print request
signal.
PNTR (initial rotation) From when a print request signal is received until the image signal is
generated.
PRINT (print) The machine is in a state in which a toner image is transferred to paper
and the paper is
discharged.
LSTR (last rotation) The machine is in a state in which paper has been discharged and all
drive has ended.
PRINT LSTR
2nd PRINT
*2
F-3-7
T-3-5
Chapter 3
PSTBY
*1
3-7