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Ricoh G147 - Overheat Protection

Ricoh G147
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SM 6-63 G147
Detailed
Descriptions
Fusing Idling Mode
Temperature at power-on
0: Disabled 1: Enabled SP1103-01
15°C or less
30 s 30 s
Higher than 15°C
Not done 30 s
SP1103-02
Overheat Protection
If the hot roller temperature becomes greater than 250°C, the CPU cuts off the power to the
fusing lamp, and SC543 (Fusing Overheat Error) will be displayed.
Even if the thermistor overheat protection fails, there is a thermostat in series with the
common ground line of the fusing lamp. If the temperature of the thermostat reaches 210°C,
the thermostat opens, removing power from the fusing lamp. At the same time, the machine
stops operating. At this time, SC542 (Fusing Temperature Warm-up Error) will be displayed.

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