Code
Meaning
Suggested Cause/Action
9-22
Fusing lamp failure
If the problem persists, replace the MFDU.
Cross reference
Fusing lamp failure - Section 6-3
9-23
Hexagonal mirror motor
failure
If the problem persists, replace the MFDU.
Cross reference
Mirror motor failure - Section 6-3
9-24
Main motor failure
If the problem persists, replace the MFDU.
Cross reference
Main motor failure - Section 6-3
9-40
CRC error while
receiveing a frame
Check and adjust the host PC’s RS232C port settings.
Check if a proper cable is used and connected
securely.
Check if the application is working correctly.
If the problem persists, replace teh MFCE.
Note: The optional RS232C interface may not be
available in some countries.
9-41
Command 3rd try failed
9-42
DCN received
unexpectedly
9-43
Unexpected frame
received
9-44
Response time over
9-45
Frame transmission error
9-50
Paper non-feed or jam
inside the upper paper
feed unit
Check if the recommended types of paper is used.
Check if the paper guides are aligned to the paper
correctly.
Check the paper feed mechanism in the unit.
9-51
Jam at the paper exit of
the upper paper feed unit.
Check if any blockage in the paper feed path.
Check the paper feed mechanisms inside the unit.
Check if the sensor is defective.
9-52
Paper non-feed or jam
inside the lower paper
feed unit
Check if the recommended types of paper is used.
Check if the paper guides are aligned to the paper
correctly.
Check the paper feed mechanism in the unit.
9-53
Jam at the paper exit
from the lower paper
feed unit.
Check if any blockage in the paper feed path.
Check the paper feed mechanisms inside the unit.
Check if the sensor is defective.
9-80
Bypass feed - paper non-
feed or jam at the
entrance
Check the registration roller and sensor.
Cross reference
Printer mechanical problems - Section 6-2-2
9-81
Bypass feed - paper
length exceeds the
maximum limit (600 mm)
Check the paper feed mechanism and sensors.
Cross reference
Printer mechanical problems - Section 6-2-2
9-82
Optional 100 sheet
cassette - paper non-
feed or jam at the
cassette entrance
Check the paper feed mechanism and sensors.
Cross reference
Printer mechanical problems - Section 6-2-2
9-83
Optional 100 sheet
cassette - paper length
exceeds the maximum
limit (600 mm)
Check the paper feed mechanism and sensors.
Cross reference
Printer mechanical problems - Section 6-2-2
T
roubl
e-
shoot
ing
December 21st, 1995
TROUBLESHOOTING
ERROR CODES *
6-37
