2-22
Confidential
The registration front sensor does not detect paper
pass within the specified time after the first side was
printed in duplex printing mode. 5700 2-34
The eject sensor remains ON (paper pass detected)
for more than the specified time even after the
registration rear sensor detected the end of paper
pass.
8400 2-41
Detected discharge that may be attributable to dirty
corona wire on the drum unit.
7D00 2-40
Detected that DIMM was faulty or was mounted
incorrectly.
C900 2-50
An error occurred during access to the DRAM in the
main PCB. 3B00 2-31
An error occurred in the ROM check sum.
E000 2-52
Program error
E100 2-52
LED Type of problem
Error
codes
Refer
to: