2LK/2LN/2LM/2LC-2
1-4-29
0180 Machine number mismatch
Machine number of main and
engine does not match.
Data damage of
EEPROM.
Contact the Service Administrative Division.
0620 FAX image DIMM error
DIMM is not installed cor-
rectly.
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 (see page 1-5-49).
0630 DMA error
DMA transmission of image
data does not complete within
the specified period of time.
Poor contact in the
connector termi-
nals.
Check the connection the signal cable for
CIS and the main PWB, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-49).
0640 Hard disk error
The hard disk cannot be
accessed.
Defective hard
disk.
Replace the hard disk and check for correct
operation.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-49).
0650 FAX image DIMM check
error
Improper DIMM is installed.
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 (see page 1-5-49).
0800 Image processing error
JAM010X is detected twice.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-49).
0830 FAX control PWB flash pro-
gram area checksum error
A checksum error occurred
with the program of the FAX
control PWB.
Defective FAX soft-
ware.
Install the fax software.
Defective FAX con-
trol PWB.
Replace the fax control PWB and check for
correct operation.
0840 Faults of RTC
The time is judged to go back
based on the comparison of
the RTC time and the current
time or five years or more
have passed.
The battery is dis-
connected from the
main PWB.
Check visually and remedy if necessary
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-49).
0870 FAX control PWB to main
PWB high capacity data
transfer error
High-capacity data transfer
between the FAX control PWB
and the main PWB of the
machine was not normally
performed even if the data
transfer was retried the speci-
fied times.
Improper installa-
tion FAX control
PWB.
Reinstall the FAX control PWB.
Defective FAX con-
trol PWB or main
PWB.
Replace the FAX control PWB or main PWB
and check for correct operation (see page 1-
5-4
9).
Code Contents Causes
Check procedures/
corrective measures