2-45
Confidential
Error code 7100
The eject sensor remains ON (paper pass detected) even after the registration rear sensor
detected the end of paper pass.
Error code 7300
When printing from the paper tray, the registration front sensor does not detect paper pass
within the specified time after the paper feed sensor detected paper pass.
Jam Rear
Open the Back Cover and remove the jammed paper, then press Start.
<User Check>
• Remove the jammed paper.
• Check if the back cover is open during duplex printing.
Step
Cause
Remedy
1
Foreign object in the rear of the
machine
Remove the foreign object.
2
Eject actuator caught in sections
of the machine
Reattach the eject actuator.
3
Fuser cover attachment failure
Reattach the fuser cover.
4
Eject sensor failure
Replace the eject sensor PCB ASSY.
5
Fuser unit failure
Replace the fuser unit.
6
Damaged gears in the feeding
system
Replace the main frame L ASSY.
7
Main PCB failure
Replace the main PCB ASSY.
Jam Tray
Remove the jammed paper from Tray.
<User Check>
• Remove the jammed paper.
• Close the paper tray correctly.
Step
Cause
Remedy
1
Foreign object in the front
section of the paper tray
Remove the foreign object.
2
Paper dust cleaning roller
attachment failure
Reattach the paper dust cleaning roller.
3
Connection failure of the registration
front/rear sensor PCB harness
Reconnect the registration front/rear sensor
PCB harness.
4
Connection failure of the HVPS flat
cable
Reconnect the HVPS flat cable.
5
Registration front actuator
coming off or caught in some
sections of the machine
Reattach the registration front actuator.
6
HVPS flat cable breakage
Replace the HVPS flat cable.
7
Registration front sensor failure Replace the registration front/rear actuator
holder ASSY.
8
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
9
Damaged gears in the feeding
system
Replace the main frame L ASSY.
10
Main PCB failure
Replace the main PCB ASSY.
