2MF/2MG
1-4-12
6000/
6020/
6030
Com-
bined
Broken fuser heater wire
Abnormally high fuser
thermistor temperature
Broken fuser thermistor
wire
Deformed connec-
tor pin.
If the I/F connector pins of the fuser unit and
the main unit are deformed owing to foreign
matters, such as paper dusts, replace the con-
nectors or the units including the connectors.
Defective triac.
Remove the power cord and check that the
resistance between terminals T1 and T2 of the
triac TRA51 is of several Mega-Ohms and not
shorted (see figure 1-4-4). If failed, replace the
power source PWB (see page 1-5-37).
Figure 1-4-4
6220
Abnormally high fuser
thermistor 1 temperature
The temperature of the
fuser thermistor 1 detects
255°C/491°F or more con-
tinuously for 3 s.
Shorted fuser
thermistor 1.
Replace the fuser unit (see page 1-5-29).
Defective engine
PWB.
Replace the engine PWB and check for correct
operation (see page 1-5-30).
6230
Broken fuser thermistor 1
wire
average AD value input
from fuser thermistor 1 for
1.8 seconds is less than
one.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for continu-
ity within the connector cable. If none, remedy
or replace the cable.
Fuser unit and engine PWB (YC506)
Broken fuser
thermistor 1 wire.
Replace the fuser unit (see page 1-5-29).
Fuser thermostat
triggered.
Reinsert the fuser unit (see page 1-5-29).
Broken fuser
heater wire.
Replace the fuser unit (see page 1-5-29).
Code
Contents
Causes
Check procedures/
corrective measures
TRA51
T1
T2
Summary of Contents for ECOSYS FS-3040MFP+
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