Canon iR4570 Series Service Manual page 833

Code Detail Items
code
E531 8001
Staple error
(Finisher-S1)
8002
E532 8001
Stapler shift
8002
(Finisher-S1)
Description
At time of a
staple jam
recovery
session, the HP
sensor is not
identified as
being ON
within 500
msec after the
start of staple
motor reversal
drive.
The HP sensor
is not
identified as
being OFF
within 500
msec after the
start of staple
motor drive.
When the
stapler is
moving to
home position,
the stapler
slide HP
sensor does not
go on within
11 sec.
error
When the
stapler is
moving from
home position,
the stapler
slide HP
sensor does not
go off within
1.0 sec.
Remedial action
Replace the finisher
controller PCB.
Replace the Staple.
Check the harness.
Replace the finisher
controller PCB.
Replace the stapler
shift motor. Check the
stapler shift home
position sensor. Check
the harness.