Olivetti d-Copia 6500MF Plus Service Manual page 439

Code Contents
7101 Toner sensor error
Sensor output value of 60 or
less or 944 or more continued
for 3 s.
Y116520-3
Related parts
Failure of locking If an abnormal noise is heard, check that the
the developer developer ejection outlet is released and, if
waste slot at setup. not, release the outlet (see page 1-2-25).
Toner sensor
Toner motor
Engine PWB
1-4-111
Check procedures/
corrective measures
1. Check the toner sensor output by U155
(see page 1-3-89).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Toner sensor and Front PWB (YC7)
Front PWB (YC2) and Engine PWB
(YC8)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Check that the gears of the Developer
unit are not damaged and the spiral can
rotate.
5. Replace the Developer unit (see page 1-
5-56).
1. Draw out the toner container and
execute U135 to check the toner motor
operation (see page 1-3-80).
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.
Toner motor and Engine PWB (YC27)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the Toner 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
Service Manual