Canon iR4570 Series Service Manual page 831

Code Detail Items
code
E500 0001 Finisher
communicatio
n error
E503 0003 Finisher internal
communication
error
E505 0001
Finisher
backup
memory error
0002
T-15-17
Description Remedial action
Replace the finisher
controller PCB. Check
the cable. Replace the
DC controller PCB.
There is an Replace the finisher
error in the controller PCB.
communicatio Replace the punch
n between the driver PCB. Check the
finisher and cable.
the punch unit.
Turn off the main
There is an power, and check the
error in the following: DC
data stored in controller PCB and
the backup finisher PCB wiring,
memory. 24V fuse. Thereafter,
turn on the main power.
There is an Replace the punch
error in the driver PCB. Replace
punch unit the finisher controller
PCB.
EEPROM
data.