2MY/2MZ
1-4-10
0150 Backup memory read/write 
error (engine PWB)
Detecting engine PWB 
EEPROM communication 
error.
The engine PWB 
EEPROM  was 
improperly 
installed.
Check the EEPROM is properly installed 
and remedy if necessary.
Defective engine 
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-32).
Defective 
EEPROM.
Contact the Service Administrative Division.
0160 Backup memory data error 
(engine PWB)
Defective flash 
memory.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-32).
Defective engine 
PWB.
0170 Billing counting error
A checksum error is detected 
in the main and engine 
backup memories for the bill-
ing counters.
Data in the 
EEPROM .
Contact the Service Administrative Division.
Defective PWB. Replace the main PWB or the engine PWB 
and check for correct operation 
(see page 1-5-31, 1-5-32).
0180 Machine number mismatch
Machine number of main and 
engine does not match.
Data in the 
EEPROM .
Contact the Service Administrative Division.
0320 I/O CPU communication 
error
A communication error is 
detected 10 times in succes-
sion.
Defective PWB. Replace the main PWB or the engine PWB 
and check for correct operation.
(see page 1-5-31,1-5-32)
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 1-5-31).
0800 Image processing error
The JAM100 fee counter is 
continuously generated.
Defective main 
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-31).
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.
Code Contents Causes
Check procedures/
corrective measures