2MN/2N1
1-4-34
1810 Side multi tray communica-
tion error
A communication error from
paper feeder is detected 10
times in succession.
Improper installa-
tion side multi tray.
Follow installation instruction carefully again.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
SM main PWB (YC1) and engine PWB
(YC19)
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
Defective SM main
PWB.
Replace the SM main PWB (Refer to the
service manual for the paper feeder).
1820 Side paper feeder communi-
cation error
A communication error from
paper feeder is detected 10
times in succession.
Improper installa-
tion side paper
feeder.
Follow installation instruction carefully again.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
PF main PWB (YC13) and SM main PWB
(YC4)
SM main PWB (YC1) and engine PWB
(YC19)
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-49).
Defective SM main
PWB.
Replace the SM main PWB (Refer to the
service manual for the paper feeder).
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
1900 Paper feeder EEPROM error
When writing the data, read
and write data does not match
3 times in succession.
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
Device damage of
EEPROM.
Contact the Service Administrative Division.
1910 Side multi tray EEPROM
error
When writing the data, read
and write data does not match
3 times in succession.
Defective SM main
PWB.
Replace the SM main PWB (Refer to the
service manual for the paper feeder).
Device damage of
EEPROM.
Contact the Service Administrative Division.
1920 Side paper feeder EEPROM
error
When writing the data, read
and write data does not match
3 times in succession.
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
Device damage of
EEPROM.
Contact the Service Administrative Division.
Code Contents Causes
Check procedures/
corrective measures