MINOLTA-QMS 2060, Service Manual

Page: 56 / 94

1-2. Fusing
Unit malfunction
printer considers is a fusing malfunction when any of the following four conditions is detected.
1. of the upper fusing roller (as
the thermistor voltage is or less over a period between
12 sec. to 30 sec. after
warm-up has
(with fusing temperature being or less).
2.
fusing roller temperature not exceed for a 120 sec. after warm-up has started.
3.
fusing roller temperature less than in standby state.
4.
fusing roller temperature less than during a printing cycle.
The fusing roller temperature remains more than while the fusing temperature is being controlled.
13. Laser malfunction
laser output level is adjusted printing.
A laser fault is detected if the output level cannot adjusted to the value.
1-4. Polygon Motor malfunction
3.
The SOS signal not output during printing time.-
Fan Motor malfunction
or less speed/ low speed) for a 0.5 sec. period.
2.
A power supply fan motor malfunction is detected when the voltage used to detect the supply fan
or less high speed) for a 0.43 sec. period.
l-6. Main Motor malfunction
The considers that is a drive motor malfunction when any of the following two conditions is
detected.
1. The main drive motor lock signal remains OFF for a continuous 1.0 sec. period.,
tor is OFF 1.0 sec. after the Main drive motor has
: Malfunction Resetting Procedure
After the malfunction has been cleared, turn the Power OFF for 3 sec. and then back ON.
F-2