2-34
Confidential
Error code 7100
After the registration rear sensor detects the end of paper pass and the specified period of
time has passed, the eject sensor continues to detect paper pass.
<User Check>
• Remove the jammed paper.
• Check if the back cover is open during duplex printing.
Error code 7302
When printing from the paper tray, the registration front sensor does not detect paper pass
within the specified time after the T1 paper feed sensor detected paper pass.
<User Check>
• Remove the jammed paper.
• Add the paper properly using the paper guide of paper tray.
Step
Cause
Remedy
1
Foreign object in the rear of the
machine
Remove the foreign object.
2
Eject actuator caught in some
sections of the machine
Reattach the eject actuator.
3
Fuser cover attachment failure
Reattach the fuser cover.
4
Back cover attachment failure
Reattach the back cover.
5
Eject sensor failure
Replace the eject sensor PCB ASSY.
6
Back cover failure
Replace the back cover.
7
Damaged fuser drive gear 64R/36R
Replace the fuser drive gear 64R/36R.
8
Damaged gears in the paper
feed drive system
Replace the frame L unit.
9
Fuser unit failure
Replace the fuser unit.
10
Main PCB failure
Replace the main PCB ASSY.
Step
Cause
Remedy
1
Foreign object in the front of the
machine
Remove the foreign object.
2
Registration front actuator
attachment failure
Reattach the registration front actuator.
3
Connection failure of the
registration front/rear sensor
harness
Reconnect the registration front/rear
sensor harness.
4
Registration front/rear sensor
PCB failure
Replace the actuator holder ASSY.
5
Damaged gears in the paper
feed drive system
Replace the frame L unit.
6
Main PCB failure
Replace the main PCB ASSY.
