Olivetti d-Copia 6500MF Plus Service Manual page 428

Code Contents
6610 Fuser release sensor error
When the fuser release motor
is driven, the fuser release
sensor does not turn on/off for
5 s.
6620 IH core motor error
When the IH core motor is
driven, the IH core sensor
does not turn off for 5 s.
Service Manual
Related parts
Fuser release
motor
Fuser release
sensor
Engine PWB
IH core motor
IH core sensor
Engine PWB
1-4-100
Check procedures/
corrective measures
1. To check the motor operation, execute
U030 Fuser Release (see page 1-3-32).
2. Check that the drive gear can be rotated
and the separation is possible.
3. If the motor won't rotate, confirm that the
wiring connector is firmly connected
and, if necessary, connect the connector
all the way in.
Fuser unit and Engine PWB (YC26)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the Fuser unit (see page 1-5-
67).
1. Check that the sensor is correctly
positioned.
2. Check that the sensor is not
contaminated or damaged.
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
1. To check the motor operation, execute
U030 Fuser Release (see page 1-3-32).
2. Check that the drive gear can be rotated
and the separation is possible.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
IH core motor and front PWB (YC10)
Front PWB (YC3) and engine PWB
(YC7)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the Fuser unit (see page 1-5-
67).
1. Check that the sensor is correctly
positioned.
2. Check that the sensor is not
contaminated or damaged.
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-