Olivetti d-Copia 6500MF Plus Service Manual page 418

Code Contents
6000 Broken fuser heater wire
Fuser thermistor 1 does not
reach 100° C/212 °F even
after 30 s during warming up.
The detected temperature of
fuser thermistor 1 does not
reach the specified tempera-
ture (ready indication temper-
ature) for 420 s in warming up
after reached to 100° C/212
°F.
6020 Abnormally high fuser
thermistor 1 temperature
Fuser thermistor 1 detects a
temperature higher than
240°C/464°F for 1 s.
Service Manual
Related parts
Fuser unit
Engine PWB
Power source
PWB
Fuser heater
Fuser unit
Engine PWB
1-4-90
Check procedures/
corrective measures
1. Check that no paper jam is present.
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser unit and Engine PWB (YC26)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. eplace the Fuser unit eplace the Fuser
unit (see page 1-5-67).
(Deteriorated sensitivity due to the toner
adhered to the center thermistor.)
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
83).
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Power source PWB (YC3) and fuser
heater PWB (YC3)
Fuser heater PWB (YC2) and feed PWB
1 (YC27)
Feed PWB 1 (YC1) and Engine PWB
(YC6)
1. Replace the fuser unit (see page 1-5-
67).
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser unit and Engine PWB (YC26)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the Fuser unit (see page 1-5-
67).
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-