Kyocera FS-2020D Service Manual page 46

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