Kyocera TASKalfa 3050ci Service Manual page 274

Code Contents
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 5 times
successively.
Mismatch of reading data from
2 locations occurs 8 times
successively.
Mismatch between writing
data and reading data occurs
8 times successively.
2101 Developer motor K error
[30 ppm/35 ppm model]
After developer motor K is
driven, the ready signal does
not turn to L within 2 s.
After developer motor K is sta-
bilized, the ready signal is at
the H level for 1 s continu-
ously.
[45 ppm/55 ppm model]
After developer motor K is
driven, the ready signal can-
not be detected for 5 s.
2102 Developer motor MCY error
After developer motor MCY is
driven, the ready signal can-
not be detected for 5 s.
Causes
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Transfer belt unit and engine PWB (YC3)
Defective transfer Replace the transfer belt unit and check for
belt unit. correct operation (see 1-5-41).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Developer motor K and motor control PWB
(YC7)
Motor control PWB (YC3) and engine PWB
(YC9)
Defective drive Check if the gears rotate smoothly. If not,
transmission sys- grease the bushes and gears. Check for
tem of motor. broken gears and replace if any.
Defective devel- Replace the developer motor K.
oper motor K.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
Defective connec- Reinsert the connector. Also check for conti-
tor cable or poor nuity within the connector cable. If none,
contact in the con- replace the cable.
nector. Developer motor MCY and motor control
PWB (YC7)
Motor control PWB (YC3) and engine PWB
(YC9)
Defective drive Check if the gears rotate smoothly. If not,
transmission sys- grease the bushes and gears. Check for
tem of motor. broken gears and replace if any.
Defective devel- Replace the developer motor MCY.
oper motor MCY.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-54).
1-4-34
2LK/2LN/2LM/2LC
Check procedures/
corrective measures