Olivetti d-Copia 6500MF Plus Service Manual page 424

Code Contents
6250 Abnormally low fuser edge
thermistor temperature
Fuser thermistor 2 detects a
temperature lower than
100°C/212°F for 1 s during
ready or print.
6320 Abnormally high fuser mid-
dle thermistor 3 tempera-
ture
Fuser middle thermistor 3
detects a temperature higher
than 215°C/419°F for 1 s.
6330 Broken fuser center therm-
istor 3 wire
Fuser center thermistor 3
detects a temperature lower
than 20°C/ 68°F continuously
for 1 s
Service Manual
Related parts
Fuser unit
Engine PWB
Fuser unit
Engine PWB
Fuser unit
Engine PWB
Fuser IH PWB
1-4-96
Check procedures/
corrective measures
1. Confirm that the wiring connector is
firmly connected and, if necessary, con-
nect the connector all the way in.
2. Fuser unit and Engine PWB (YC26)
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).
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 IH PWB(YC4) and Engine PWB
(YC26)
2. Replace the fuser IH PWB (see page 1-
5-95).
2N8/2N7
Y116520-