2RV/2RW/2RX/2RY/3RA-3
7-83
C6200: Fuser edge thermistor error
1. During warm-up, the temperature detected by the edge thermistor does not reach 60°C/140°F when turning
the heater on for 30s consecutively.
2. During warm-up, the temperature detected by the edge thermistor does not reach Ready temperature
when passing 20s after the temperature detected by the edge thermistor reached 60°C/140°F.
2 Removing a piece of paper A piece of paper resides in
the fuser unit and the ther-
mopile cannot detect tem-
perature properly.
Remove a piece of paper
remaining in the fuser unit.
3 Checking the connection The connector is not prop-
erly connected or the wire
is faulty.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire.
• Thermopile - Main/engine
PWB (YC2)
4 Replacing the thermopile The thermopile is faulty. Replace the thermopile.
5 Replacing the main/engine
PWB
The main/engine PWB is
faulty.
Replace the main/engine
PWB.
Step Check description Assumed cause Measures Reference
1 Reinstalling the fuser unit The fuser unit drawer con-
nector is not inserted com-
pletely.
Reinstall the fuser unit so that
the drawer connector is con-
nected securely.
2 Checking the connection The connector is not prop-
erly connected or the wire
is faulty.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire.
• Fuser unit - Main/engine
PWB (YC19)
3 Replacing the fuser unit The fuser edge thermistor
is faulty and cannot detect
correct temperature.
Replace the fuser unit.
4 Checking the connection The connector is not prop-
erly connected or the wire
is faulty.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire.
• Low voltage PWB (YC103)
- Main/engine PWB (YC20)
5 Replacing the low voltage
PWB.
The low voltage PWB is
faulty.
Replace the low voltage
PWB.
6 Replacing the main/engine
PWB
The main/engine PWB is
faulty.
Replace the main/engine
PWB.
Step Check description Assumed cause Measures Reference