2L6/2N6/2N5/2N4
1-4-128
6320
Abnormally high fuser mid-
dle thermistor 3 tempera-
ture
Fuser middle thermistor 3
detects a temperature higher
Fuser unit
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 and execute
U167 counter clear (see page 1-3-112).
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
6330
Broken fuser center therm-
istor 3 wire
Fuser center thermistor 3
detects a temperature lower
for 1 s
Fuser unit
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 and execute
U167 counter clear (see page 1-3-112).
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
80).
Fuser IH PWB
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-
5-96).
Code
Contents
Related parts
Check procedures/
corrective measures
Содержание TASKalfa 3051ci
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