10. JAM DETECTION AND STAPLER ERROR
10.1 SORTER JAMS
The sorter stapler main control board detects paper jams in the sorter
stapler, or between the sorter stapler and the copier. To detect jams, the S/S
CPU uses the paper exit on/off signal from the copier, and the proof tray exit
sensor [A] (in normal mode) or the bin exit sensor [B] (in sort/stack/staple
mode).
Jam check timing in normal and in sort/stack/staple modes is shown above.
There are two time scales: one in seconds and milliseconds, and one in
pulses. The pulses are the timing pulses from the roller drive timing sensor.
Since the paper transport speed of the sorter stapler (this is the normal
speed mode) depends on that of the copier, the sorter stapler cannot
operate on a fixed time scale. Therefore, to match the sorter stapler speed to
the copier’s, the copier sends a signal to the S/S CPU; this controls the
normal speed of the roller drive motor (the speed in high speed mode never
changes) and this generates the pulse rate.
- Normal Mode -
- Sort/Stack/Staple
Mode -
Proof Tray
Exit Sensor
Copier Paper
Exit Sensor
Bin Exit
Sensor
Copier Paper
Exit Sensor
[A]
[B]
A156/A160/A162 6-24 STM
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