Konica minolta bizhub 350

• The Fusing Roller Sub Thermistor does not
detect the required temperature within 30 sec.
after a warm-up cycle has begun; therefore, the
copier does not complete the warm-up cycle.
• The temperature of the Fusing Rollers does not
reach the required level even after the set period
of time has elapsed during a warm-up cycle.
1
Check that the H1[ fuser lamp] comes on when the Main Power
Switch is set to ON, and correct or replace as necessary.
- -
2
Check that the H2 comes on when the Main Power
Switch is set to ON, and correct or replace as necessary.
- -
3
Check the installation of the TH1 and the TH2, and
correct or clean as necessary.
- -
4
Check the operation of the TH1.
Remove CN80 (4P), and then check that the resistance
across CN80-2 and -3 on the Thermistor is
infinity.
- -
5
Check the operation of the TH2.
Remove CN81 (4P), and then check that the resistance
across CN81-2 and -3 on the Thermistor is
infinity.
- -
6
Check the continuity of the H1.
Correct or replace as necessary.
- -
7
Check the continuity of the H2.
Correct or replace as necessary.
- -
8 Change PU1 - -
9 Change PWB-A

May be errononous. try resetting the code in "trouble" in the service menu