Olivetti d-Copia 6500MF Plus Service Manual page 423

Code Contents
6200 Broken fuser edge heater
wire
Fuser thermistor 2 does not
reach 100° C/212 °F even
after 60 s during warming up.
The detected temperature of
fuser thermistor 2 does not
reach the specified tempera-
ture (ready indication temper-
ature) for 420 s in warming up
after reached to 100° C/212
°F.
6220 Abnormally high fuser edge
thermistor temperature
Fuser thermistor 2 detects a
temperature higher than
240°C/464°F for 1 s.
6230 Broken fuser edge thermis-
tor wire
The Input signal from the
fuser thermistor 2 is 992 or
more (A/D value) continuously
for 1 s when the temperature
at the fuser thermistor 1 is
higher than 100°C/212°F.
Fuser thermistor 2 detects a
lower then 50°C/122°F for 15s
during warming up.
Y116520-3
Related parts
Fuser unit
Engine PWB
Fuser center
thermistor 1
Fuser unit
Engine PWB
Fuser unit
Engine PWB
1-4-95
Check procedures/
corrective measures
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).
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 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).
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
Service Manual