3. ELECTRICAL COMPONENT DESCRIPTIONS
Symbol
Name Function Index No.
Motors
M1 Roller Drive Motor This dc motor drives the lower exit rollers. 3
M2 Bin Drive Motor
This reversible dc motor moves the bins up
or down.
5
Switches
SW1 Wheel Switch
Detects the rotation of the transfer wheel
and stops it in the correct position.
2
SW2 Sorter Switch
This reed switch becomes activated when
the sorter is in the proper position (aligned
next to the copier). It also works as a jam
reset switch for the sorter.
6
SW3
Bin Home Position
Switch
Informs the CPU that all the bins are
lowered.
7
Sensors
S1 Paper Sensor
Serves as the misfeed sensor for the sorter
and also sets exit roller and bin drive timing.
4
Printed Circuit Boards
PCB1 Sorter Main Board
Serves as the communication board
between the copier main board and the
sorter.
1
Sorter
A557
STM 9-3 A156/A160/A162
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