Electrical Component Description - Ricoh A156 Service Manual

2.3 ELECTRICAL COMPONENT DESCRIPTION

Refer to the electrical component layout on the reverse side of the Point to
Point Diagram (on waterproof paper).
Symbol Index No.
Motors
M1 14
M2 9
M3 16
M4 6
M5 3
Sensors
S1 1
S2 2
S3 15
S4 13
S5 4
S6 5
S7 11
S8 10
S9 12
S10 18
S11 19
Switches
SW1 8
SW2 7
Circuit Board
PCB1 17
STM
Description
Transport
Jogger
Bin Drive
Stapler
Grip
Bin
(Phototransistor)
Sorter Entrance
Jogger H.P.
Timing
Stapler Paper
Grip H.P.
Bin
(LED)
Wheel
Bin H.P.
Staple H.P.
Staple End
Door Safety
Stapler
Main
7-5
Note
Drives the transport roller
Drives the jogger plate to square the
copies
Drives the bins
Drives the stapler hammer
Drives the grippers forwards and back
into the bin to grip the copies and
bring them to the stapling position
Detects whether there is any paper in
the bins (light receiving element)
Detects paper jams
Detects whether the jogger plate is in
its home position
Provides pulses to the sorter stapler
main board.
Detects whether any copies are under
the hammer.
Detects when the grip assembly cam
gear has rotated once
Detects whether there is paper in the
bins (light emitting element)
Detects the bin position.
Detects whether the bins are at home
position
Detects whether the stapler hammer
is at home position
Detects when the staples run out
Cuts the dc +24V supply when either
the unit or the stapler cover is opened.
Cuts the signals to the stapler.
Controls all sorter/stapler functions
A156/A160/A162