2KR/2KS
1-4-26
(2) Self diagnostic codes
Code Contents
Remarks
Causes Check procedures/corrective measures
C0030 Fax control PWB system problem
Processing with the fax software was
disabled due to a hardware or software
problem.
Defective fax con-
trol PWB.
Replace the fax control PWB and verify the
operation.
C0060 Main PWB type mismatch error Defective PWB. Run maintenance item U935 to contact the
Service Administrative Division.
C0070 Abnormal detection of fax control
PWB incompatibility
In the initial communication with the fax
control PWB, any normal communication
command is not transmitted.
Defective fax soft-
ware.
Install the fax software.
Defective fax con-
trol PWB.
Replace the fax control PWB and verify the
operation.
C0100 Backup memory (EEPROM) device
problem (Main PWB)
Reading from or writing to EEPROM
cannot be performed.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
Device damage of
EEPROM.
Contact the Service Administrative Division.
C0120 MAC address data error
For data in which the MAC address is
invalid.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.
C0150 Backup memory (EEPROM) device
problem (Engine PWB)
No response is issued from the device in
reading/writing for 5 ms or more and this
problem is repeated five times succes-
sively.
Mismatch of reading data from two loca-
tions occurs eight times successively.
Mismatch between writing data and
reading data occurs eight times succes-
sively.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation.
Device damage of
EEPROM.
Contact the Service Administrative Division.
C0160 Backup memory (EEPROM) data
problem (Engine PWB)
Reading data from EEPROM is abnor-
mal.
Data damage of
EEPROM.
Contact the Service Administrative Division.
C0170 Copy counts problem
A checksum error is detected in the main
and engine backup memories for the
copy counters.
Data damage of
EEPROM.
Contact the Service Administrative Division.
Defective PWB. Replace the main PWB or engine PWB and
check for correct operation.
C0180 Machine number mismatch error
Machine number of main PWB and
engine PWB does not match.
Data damage of
EEPROM.
Contact the Service Administrative Division.
C0620 FAX image DIMM problem
DIMM is not installed correctly.
DIMM cannot be accessed.
DIMM installed
incorrectly.
Check if the DIMM is inserted into the socket
on the main PWB correctly.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation.