Olivetti d-Copia 6500MF Plus Service Manual page 406

Code Contents
1900 Paper feeder EEPROM error
When writing the data, read
and write data does not match
3 times in succession.
1910 Side multi tray EEPROM
error
When writing the data, read
and write data does not match
3 times in succession.
1920 Side paper feeder EEPROM
error
When writing the data, read
and write data does not match
3 times in succession.
2101 Developer motor error
After developer motor is
driven, the ready signal does
not turn to L within 2 s.
After developer motor is stabi-
lized, the ready signal is at the
H level for 1 s continuously.
Service Manual
Related parts
PF main PWB
(EEPROM)
SM main PWB
(EEPROM)
PF main PWB
Developer unit
Developer motor
Engine PWB.
1-4-78
Check procedures/
corrective measures
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
2. Replace the PF main PWB (Refer to the
service manual for the paper feeder).
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
2. Replace the SM main PWB (Refer to the
service manual for the paper feeder).
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
2. Replace the PF main PWB (Refer to the
service manual for the paper feeder).
1. Check that the developer waste lock has
been released and, if not, release the
lock (see page 1-2-25).
2. Check that the gears and spiral screw of
the developer unit are not damaged.
3. Confirm that the developer roller can
rotate.
4. If it won't rotate, replace the developer
unit (see page 1-5-56).
1. To check the motor operation, execute
DLP(K) by U030 (see page 1-3-32).
2. Check the drive gear can rotate or they
are not unusually loaded and, if
necessary, replace.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Developer motor and Feed PWB 1
(YC8)
Feed PWB 1 (YC2) and Engine PWB
(YC5)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the Developer motor.
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
2N8/2N7
Y116520-