6200 Broken Fuser Heater Wire (Sub); 6220 Abnormally High Fuser Thermistor 1 Temperature (Edge) - Kyocera TASKalfa 1800 Service Manual

Code Contents
6200 Broken fuser heater wire
(Sub)
Fuser thermistor 1 does not
reach primary stable tempera-
ture even after 30 s during
warming up.
Fuser thermistor 1 detects a
temperature lower than
100°C/212°F for 60 s during
ready.
6220 Abnormally high fuser
thermistor 1 temperature
(Edge)
Fuser thermistor 1 detects a
temperature higher than
230°C/446°F.
Related parts
Fuser unit
Main/Engine PWB
Fuser thermistor 1
Fuser unit
Main/Engine PWB
1-4-30
2NC/2NF/2NG/2NN/3P7/3P8/3P9
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 main/engine PWB
(YC14)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the Fuser unit and execute
U167 counter clear (see page 1-3-56).
1. Check the main/engine software and
upgrade to the latest, if necessary.
2. Replace the main/engine PWB (see
page 2-2-11).
1. Replace the Fuser unit and execute
U167 counter clear (see page 1-3-56).
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Fuser unit and main/engine PWB
(YC14)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the Fuser unit and execute
U167 counter clear (see page 1-3-56).
1. Check the main/engine software and
upgrade to the latest, if necessary.
2. Replace the main/engine PWB (see
page 2-2-11).