Canon imageRUNNER 2420 Trouble Error Codes List page 16

on within 2000 msec after the start of
operation when the read aligning plate is
moved to home position.
Code Description
Rear alignment error (Finisher-Q3/
Q4)
The home position sensor does not
E537-
go off within 1000 msec after the
0002
start of operation when the rear
aligning plate is moved form home
position.
Front alignment error (Finisher-S1)
The home position sensor does not
E537-
go on within 2.0 sec when the front
8001
aligning plate is moved to home
position.
Front alignment error (Finisher-S1)
The home position sensor dos not go
E537-
off within 1.0 sec when the front
8002
aligning plate is shifted from home
position.
Upper tray ascent/descent motor
E540- error (Finisher -Q3/ Q4)
0002 Upper tray ascent/descent motor
clock error
Upper tray ascent/descent motor
E540-
error (Finisher -Q3/ Q4)
0003
Area error
Upper tray ascent/descent motor
E540-
error (Finisher -Q3/ Q4)
0004
Safety switch activation
Stack tray motor error (Finisher-S1)
E540- The operation to detect the paper
8002 surface of the stack tray does not
end within 1.0 sec.
Stack tray motor error (Finisher-S1)
E540-
An abnormal combination of sensor
8003
states has been detected.
Lower tray ascent/descent motor
E542-
error (Finisher-Q3/ Q4
0002
Lower tray ascent/descent motor
16
aligning plate drive mechanism. Check the
rear alignment home position sensor.
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
front alignment motor. Check the front aligning
plate drive mechanism. Check the front alignment
home position sensor.
Replace the finisher controller PCB. Replace the
front alignment motor. Check the front aligning
plate drive mechanism. Check the front alignment
home position sensor.
Replace the No. 1 tray shift motor. Replace the
finisher controller PCB. Check the tray
ascent/descent mechanism.
Replace the No. 1 tray area sensor PCB.
Replace the finisher controller PCB.
Check the No. 1 tray closed detecting switch.
Replace the finisher controller PCB.
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.
Replace the No. 2 tray shift motor. Replace the
finisher controller PCB. Check the tray
ascent/descent mechanism.