Canon iR4570 Series Service Manual page 734

Code Detail Name
code
E531 0001
Stapler error
(Finisher-Q3/
0002
E532 8001
Stapler shift
8002
(Finisher-S1)
Detection
The home
position sensor
does not go off
even when the
stapler motor
has rotated for
a specific
period of time.
The home
Q4)
position sensor
does not go on
even when the
stapler motor
has rotated for
a specific
period of time.
The stapler
slide home
position sensor
does not go on
within 11 sec
when the
stapler is
shifted to
home position.
error
The stapler
slide home
position sensor
does not go off
within 1.0 sec
when the
stapler is
shifted from
home position.
Remedy
Replace the finisher
controller PCB.
Replace the stapler.
Check the harness.
Replace the finisher
controller PCB.
Replace the stapler
shift motor. Check the
stapler shift home
position sensor. Check
the harness.