Self Diagnosis; Self Diagnostic Codes - Kyocera Mita KM-3530 Service Manual

1-5-1 Self-diagnosis

(1) Self diagnostic codes

Code Contents
C003 Fax control PCB system problem
• Processing with the fax software was
disabled due to a hardware or soft-
ware problem.
C013 Fax control PCB software switch
checksum error
• A checksum error occurred with the
software switch value stored in the
flash ROM on the fax control PCB.
C028 Communication problem between
the operation unit PCB and fax con-
trol PCB
• The operation unit PCB did not re-
ceive any key request command from
the fax control PCB within 1 minute of
the status change signal turning on.
Then, after resetting the fax machine,
the operation unit PCB again did not
receive any key request command
from the fax control PCB while the
status change signal was held on for
1 minute.
• Abnormal data was received 5 times
in succession in response to the com-
mand from the fax control PCB.
• An erroneous FAX READY signal
continued for 3 seconds and, after
resetting the fax machine, an errone-
ous FAX READY signal continued for
3 seconds again.
C082 Fax control PCB CG ROM checksum
error
• A checksum error occurred with the
CG ROM data in the flash ROM on
the fax control PCB.
C083 Flash ROM program area checksum
error
• A checksum error occurred with the
program in the flash ROM on the fax
control PCB.
Causes Check procedures/corrective measures
Defective fax con- Replace the fax control PCB and check for
trol PCB. correct operation.
Defective SRAM Replace the fax control PCB and check for
on the fax control correct operation.
PCB.
Defective fax con- Replace the fax control PCB and check for
trol PCB. correct operation.
Defective fax con- Replace the fax control PCB and check for
trol PCB. correct operation.
Defective SRAM Replace the fax control PCB and check for
on the fax control correct operation.
PCB.
Remarks
3CM
1-5-1