2-66
Confidential
■ Error code 7500
In the case of printing by feeding paper from the T3 paper tray unit, after the T3 paper feed
sensor detects paper pass, the registration front sensor does not detect paper pass after a set
period of time.
< User Check >
- Remove the jammed paper.
- Close the Paper tray 1 and LT paper tray unit correctly.
■ Error code 7700
After the first side is printed in 2-sided printing mode, the registration front sensor does not
detect paper pass after a set period of time.
< User Check >
- Remove the jammed paper.
- Check if the back cover is closed correctly.
- Check if the paper tray 1 is closed correctly.
Jam Tray 3
-
Step Cause Remedy
1 Foreign object at the front of the
Paper tray 1 or LT paper tray unit
Remove the foreign object.
2 T1/LT paper dust cleaning roller
installation failure
Re-assemble the T1/LT paper dust
cleaning roller.
3 Registration front actuator that
has come off or that has been
caught
Re-assemble the registration front
actuator.
4 Connection failure of the
registration front/rear sensor
PCB harness
Reconnect the registration front/rear
sensor PCB harness.
5 Registration front sensor failure Replace the registration front/rear sensor
PCB ASSY.
6 Paper feed related gear
damaged
Replace the main drive unit.
7 Main PCB failure Replace the main PCB ASSY.
Jam 2-sided
Pull out Tray 1 completely. Check inside the machine or open the Back Cover
to remove the jammed paper.
Step Cause Remedy
1 Foreign object inside the duplex
path
Remove the foreign object.
2 Foreign object inside the duplex
path of the paper tray 1
Remove the foreign object.
3 Fuser cover installation failure Re-assemble the fuser cover.
4 Back cover installation failure Re-assemble the back cover.
5 Main PCB failure Replace the main PCB ASSY.
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