11.3 FUSING LAMP CONTROL
The CPU monitors the temperature of the hot roller surface using a
thermistor. The fusing lamp is turned on and off to keep the hot roller surface
at the target temperature. The target temperature depends on the machine
condition as follows:
Machine Condition
Fusing Lamp ON/OFF
Threshold
Remarks
Ready
165
°
C: 120 V machines
172
°
C: 230 V machines
—
After the main switch is turned
on, until one minute has passed
since the fusing temperature
reached the Ready condition.
190
°
C
After the fusing temperature
reaches the ready temperature,
the fusing lamp is kept on until
it reaches 190
°
C.
After the above time period, the
copier enters the energy saver
mode.
120
°
C: 120 V machines
130
°
C: 230 V machines
When the
key is pressed,
the red indicator blinks and
copying starts after the fusing
temperature reaches the Ready
condition.
During copying
190
°
C
—
A219D533.wmf
IMAGE FUSING 20 December 1996
2-52
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