Service manual

2-42
Confidential
 Error code 8000
First side printing started before receiving the second side data in duplex printing mode due
to the insufficient memory.
 Error code 8903
The back cover sensor detected that the cover was open in duplex printing mode.
(Before registering printing data to engine)
Error code 8904
The back cover sensor detected that the cover was open in duplex printing mode.
(After registering printing data to engine)
Print Overrun
-
<User Check>
• Print the print data stored in the memory.
• The size of printing data per page is too big. Change the printing contents to reduce the
data size.
• Switch to single-side printing.
Step Cause Remedy
1
Main PCB failure Replace the main PCB ASSY.
2-sided Disabled
Close the Back Cover of the machine.
2-sided Disabled
Close the Back Cover of the machine.
<User Check>
• Close the back cover correctly.
Step Cause Remedy
1
Back cover/duplex tray empty
sensor attachment failure
Reattach the back cover/duplex tray empty
sensor.
2
Boss to push the back cover
sensor is broken.
Replace the back cover.
3
Back cover/duplex tray empty
sensor failure
Replace the eject sensor PCB ASSY.
4
Main PCB failure Replace the main PCB ASSY.