2T6/2T7/2T8/2T9
1-4-13
1830 Paper feeder 4 communica-
tion error
A communication error is
detected 10 times in succes-
sion.
Improper installa-
tion 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 (YC3) and engine PWB
(YC22)
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
1900 Paper feeder 1/BPF paper
feeder EEPROM error
When writing the data, the
write data and the read data is
not in agreement.
Defective PF main
PWB.
Replace the PF main PWB or the BPF main
PWB (Refer to the service manual for the
paper feeder).
Device damage of
EEPROM.
1910 Paper feeder 2 EEPROM
error
When writing the data, the
write data and the read data is
not in agreement.
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
Device damage of
EEPROM.
1920 Paper feeder 3 EEPROM
error
When writing the data, the
write data and the read data is
not in agreement.
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
Device damage of
EEPROM.
1930 Paper feeder 4 EEPROM
error
When writing the data, the
write data and the read data is
not in agreement.
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
Device damage of
EEPROM.
2000 Main motor drive error
The main motor is not stabi-
lized within 2 s after driving
starts.
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.
Main motor and engine PWB (YC4)
Defective drive
transmission sys-
tem of the main
motor.
Check if the rollers and gears rotate
smoothly. If not, grease the bushes and
gears. Check for broken gears and replace if
any.
Defective main
motor.
Replace the main motor.
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-22).
Code Contents Causes
Check procedures/
corrective measures