Canon imageRUNNER iR2270 Service Manual page 135

5.1 Service Error Code
5.1.1 Service Error Code
Detail
Code
code
E505 0001
0002
E520 0001
0002
T-5-1
Description
-The finisher controller PCB is
faulty.
-The offset motor or the finisher
controller PCB is faulty.
-The offset HP sensor is faulty.
Chapter 5
0006-2540
Timing of detection
-The check sum of the data
stored in RAM and the check
sum computed by the CPU are
different.
-At time of a data write session,
the verification does not end
within 2000 msec, causing a
time-out condition.
-At time of offset motor
operation, the offset HP sensor
does not go on within 1000
msec even when the motor has
been driven for 1000 msec in
the direction of HP sensor IN
side.
-In the course of offset motor
operation, the offset HP sensor
does not go off within 1000
msec even when the motor has
been driven for 1000 msec in
the direction of HP sensor OUT
side.
5-1