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TONER FULL state
t1
240 ms < t1 < 1.5 sec
4.875 sec.
TNRSNS-N
TONER LOW state
t1
t1 > 1.5 sec.
or
t1 < 240 ms
4.875 sec.
TNRSNS-N
• When the Toner Low state is detected 2 times consecutively, Toner Low is established.
• When the Toner Full state is detected 2 times consecutively, Toner Low is cancelled.
• When there is no change with the toner sensor for 2 cycles (4.875 sec. x 2) or more, then the
Toner Sensor Alarm is activated.
• The toner sensor is not monitored while the drum motor is in halt.