Kyocera ECOSYS FS-4300DN Service Manual page 79

Code Contents
6000/ Broken fuser heater wire
6020/ Abnormally high fuser
thermistor 2 temperature
6030/ Broken fuser thermistor 2
wire
6120/ Abnormally high fuser
thermistor 1 temperature
6130/ Broken fuser thermistor 1
wire
Com-
bined
Causes
Deformed connec- If the I/F connector pins of the fuser unit and
tor pin. the main unit are deformed owing to foreign
matters, replace the connectors 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 TRA41 is of several Mega-Ohms
and not shorted (see figure 1-4-3). If failed,
replace the power source PWB (see page 1-
5-25).
TRA41
Power source PWB
1-4-19
2LV/2L1/2L2/2MS/2MT
Check procedures/
corrective measures
T1
T2
Figure 1-4-3