To feed copies out as fast as possible, the S/S CPU controls two motor
rotation speeds.
The normal speed depends on the copier’s paper transport speed. The S/S’s
paper transport speed is almost the same as but slightly faster than the
copier’s.
In the normal mode, the roller drive motor changes the paper transport
speed from normal to high (500 mm/s, fixed) when the S/S CPU receives the
paper exit signal from the copier. The roller drive motor changes the paper
transport speed from high to normal 100 milliseconds after the proof tray exit
sensor detects the trailing edge of the copy.
In the sort/stack/staple mode, the roller drive motor also changes the paper
transport speed from normal to high and then from high to normal. The
timing is the same as in the normal mode, but the bin exit sensor is used to
detect the trailing edge instead of the proof tray exit sensor. The high speed
is almost double the normal speed, and it changes depending on the paper
size (900, 960, or 1,000 mm/second).
Sorter Stapler
A554
STM 6-13 A156/A160/A162
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