2J0/2J1/2J2
1-4-6
6000 Broken fuser heater lamp wire
The temperature does not reach 100
°C/
212
°F after the fuser heater lamp has
been turned on continuously for 30 s.
35/37 ppm printer (EUR/USA model):
The temperature does not rise by 1°C/
1.8
°F after the fuser heater lamp has
been turned on continuously for 5 s dur-
ing printing.
40/42 and 45/47 ppm printers (EUR/USA
model):
The temperature does not rise by 1
°C/
1.8
°F after the fuser heater lamp has
been turned on continuously for 10 s
during warm-up or at standby.
Poor contact in the
fuser thermistor 1
connector termi-
nals.
Reinsert the connector (See page 1-5-22).
Fuser thermistor 1
installed incor-
rectly.
Check and reinstall if necessary (See page
1-5-22).
Thermal cutout
triggered.
Check for continuity. If none, replace the
thermal cutout (See page 1-5-22).
Fuser heater lamp
installed incor-
rectly.
Check and reinstall if necessary (See page
1-5-22).
Broken fuser
heater lamp wire.
Check for continuity. If none, replace the
fuser heater lamp (See page 1-5-17).
6020 Abnormally high fuser thermistor 2
temperature
The temperature of the fuser thermistor
2 detects 240
°C/464°F or more continu-
ously for 3 s.
Shorted fuser ther-
mistor 2.
Measure the resistance. If it is 0 Ω, replace
the fuser thermistor 2 (See page 1-5-22).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
25).
6030 Broken fuser thermistor 2 wire
Input from fuser thermistor 2 is less than
1 (A/D value) for more than 1 s.
Poor contact in the
fuser thermistor 2
connector termi-
nals.
Reinsert the connector (See page 1-5-22).
Broken fuser ther-
mistor 2 wire.
Measure the resistance. If it is ∞ Ω, replace
the fuser thermistor 2 (See page 1-5-22).
Fuser thermistor 2
installed incor-
rectly.
Check and reinstall if necessary (See page
1-5-22).
Thermal cutout
triggered.
Check for continuity. If none, replace the
thermal cutout (See page 1-5-22).
Fuser heater lamp
installed incor-
rectly.
Check and reinstall if necessary (See page
1-5-17).
Broken fuser
heater lamp wire.
Check for continuity. If none, replace the
fuser heater lamp (See page 1-5-17).
6120 Abnormally high fuser thermistor 1
temperature
The temperature of the fuser thermistor
1 detects 240
°C/464°F or more continu-
ously for 3 s.
Shorted fuser ther-
mistor 1.
Measure the resistance. If it is 0 Ω, replace
the fuser thermistor 1 (See page 1-5-22).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
25).
6130 Broken fuser thermistor 1 wire
Input from fuser thermistor 1 is less than
1 (A/D value) for more than 1 s.
Poor contact in the
fuser thermistor 1
connector termi-
nals.
Reinsert the connector (See page 1-5-22).
Broken fuser ther-
mistor 1 wire.
Measure the resistance. If it is ∞ Ω, replace
the fuser thermistor 1 (See page 1-5-22).
Fuser thermistor 1
installed incor-
rectly.
Check and reinstall if necessary (See page
1-5-22).
Code Contents
Remarks
Causes Check procedures/corrective measures