6
.5.2.(6) Paper Exit Jam
(6-1) Paper eject jam occurred immediately after turning on the printer.
Confirmation Items
Confirmation Tasks
Action at NG
(6-1-1) Check paper-ejecting route condition
Paper-ejecting route across
paper eject part.
Check whether the paper jam occurred during the route.
Remove the jammed
paper.
(6-1-2) Check the mechanical parts' condition
Check the paper-ejecting
sensor lever.
Check whether there is something abnormal about the
form of sensor lever and its movement.
Replace the sensor
lever with a new one.
(6-1-3) Check the electrical parts' condition
Check the condition of
sensor signal detection.
By using the switch scanning test function of the
maintenance utility, check whether the sensor signal has
been normally detected.
Replace the main
board (M32 PCB) or
EXIT sensor or the
connecting cable
with new one.
Check the output level of
EXIT sensor.
Check the following signals of RSNS connector of main
board (M32 PCB).
9pin: EXIT sensor
Operate and adjust the sensor lever in order to check the
above signal level.
Replace the EXIT
sensor with a new
one.
Check the power supply
of rear sensor relay board
(ZAK PCB).
Check the power supply of 5V of CN2 connector of rear
sensor relay board (ZAK PCB).
1pin: 5V power supply
3pin: 0VL
Replace the
connecting cable
with a new one.
(6-1-4) Check the conditon
Signal wire of rear sensor
relay board, EXIT sensor
cableSignal wire of rear
sensor relay board, EXIT
sensor cable
Check whether FFC has been inserted into RELAY
connector of main board (M32 PCB) and CN1 connector
of rear sensor relay board (ZAK PCB) normally.Check
whether the cable between color difference sensor
board (ZAK PCB) and EXIT sensor has been connected
normally.
Connect normally.
Signal wire of rear sensor
relay board, EXIT sensor
cableSignal wire of rear
sensor relay board, EXIT
sensor cable
Check whether wire gnawing, peel-off or defective cable
assembly exists.
Replace the
connecting cable
with a new one and
reassemble normally.
Y108500-4
Service Manual
183
