2100‑sheet tray pick drive
1 Elevator plate
2 Sensor (pick roller index)
3 Motor (pick)
4 Pick roller
5 Separator pad
6 Aligner roller
7 Sensor (paper present)
8 Sensor (A5 length guide)
9 Sensor (paper size)
10 Sensor (tray near empty)
The pick roller is lifted by the elevator plate until it triggers the sensor (pick roller index). At the pick position,
the pick roller rotates to pick the topmost paper. The motor (pick) drives the pick roller.
To avoid multi‑sheet picking, the friction from the separator pad prevents the extra paper from entering the
printer.
The sensor (paper present) detects if the tray is empty. Paper guide positions are also detected by sensors to
determine paper size.
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Theory of operation
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