Canon imageRUNNER 2270 Service Manual page 664

Chapter 15
Code Detail
code
E537 0001
0002
E540 8002
8003
15-58
Name
Rear alignment
error (Finisher-
Q3/Q4)
Stack tray motor
error (Finisher-
S1)
Detection
The home
position sensor
does not go on
within 2000
msec after the
start of operation
when the read
aligning plate is
moved to home
position.
The home
position sensor
does not go off
within 1000
msec after the
start of operation
when the rear
aligning plate is
moved form
home position.
The operation to
detect the paper
surface of the
stack tray does
not end within
1.0 sec.
An abnormal
combination of
sensor states has
been detected.
Remedy
Replace the finisher
controller PCB. Replace
the rear alignment motor.
Check the rear aligning
plate drive mechanism.
Check the rear alignment
home position sensor.
Replace the finisher
controller PCB. Replace
the tray ascent/descent
motor. Check the stack
tray drive mechanism.
Check the paper surface
sensor.
Replace the finisher
controller PCB. Check the
stack tray upper limit
sensor. Check the stack
tray lower limit sensor.
Check the stack tray upper
paper surface sensor.
Check the stack tray lower
paper surface sensor.