Olivetti d-Copia 6500MF Plus Service Manual page 420

Code Contents
6050 Abnormally low fuser
thermistor 1 temperature
Fuser thermistor 1 detects a
temperature lower than
100°C/212°F for 1 s after
warming up, during ready or
during print.
6100 Broken fuser heater wire
Fuser thermistor 5 won't
reach the reference tempera-
ture in 480 s after shifting to
low power mode.
Service Manual
Related parts
Power source
Fuser unit
Engine PWB
Fuser thermistor 1
Fuser thermostat
(triggered)
Fuser unit
Engine PWB
1-4-92
Check procedures/
corrective measures
1. Check that the operating voltage falls
within +/-10%.
2. Check no voltage drop is caused. The
heater is deactivated at 70V or lower.
3. Relocate the AC outlet that supplies
power.
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. eplace the Fuser unit (see page 1-5-67).
1. Check the engine software and upgrade
to the latest, if necessary.
1. Replace the engine PWB (see page 1-5-
83).
1. eplace 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 fuser heater PWB (YC1)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. eplace 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. eplace 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-