2KZ/2K0
1-4-13
1800
Paper feeder communica-
tion error
A communication error is
detected 10 times in succes-
sion.
Improper installa-
tion of the paper
feeder.
Follow the installation instruction carefully
again.
Defective connec-
tor cable or poor
contact of the con-
nector.
Reinsert the connector. Also check for conti-
nuity of the connector cable. If necessary,
replace the cable.
PF main PWB (YC3) and engine PWB
(YC20)
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual of the paper feeder).
1900
Paper feeder EEPROM error
When writing the data, the
write data and the read data is
not continuously in agreement
4 times.
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual of the paper feeder).
Device damage of
EEPROM.
Contact the Service Administrative Division.
1950
Transfer belt unit EEPROM
error
No response is issued from
the device in reading/writing
for 5 ms or more and this
problem is repeated five times
successively.
Mismatch of reading data from
two locations occurs eight
times successively.
Mismatch between writing
data and reading data occurs
eight times successively.
Defective transfer
PWB.
Replace the transfer PWB and check for
correct operation.
Device damage of
EEPROM.
Contact the Service Administrative Division.
2101
Developer motor K steady-
state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
developer motor K stabilizes.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity of the connector cable. If necessary,
replace the cable.
Developer motor K and engine PWB (YC4)
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushings and
gears. Check for broken gears and replace if
necessary.
Defective motor.
Replace the Developer motor K.
Defective PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-31).
Code
Contents
Causes
Check procedures/
corrective measures
Y113010-4
Sevice Manual