Electrical Component Description - Ricoh C231 Service Manual

ELECTRICAL COMPONENT DESCRIPTION

1.4 ELECTRICAL COMPONENT DESCRIPTION
Symbol Name
Motors
M1 DF Transport
Sensors
DF Open
S1
Registration
S2
Feed Cover Open
S3
Sensor
S4 Original Width
S5 Original Length 1
S6 Original Length 2
S7 Original Set
Original Trailing
Edge
S8
Solenoids
DF Pick-up
SOL1
SOL2 Stamp
Clutches
DF Feed
MC1
PCBs
DF Drive
PCB1
C600
Function
Drives the transport and exit rollers
Informs the CPU of the DF when the DF is
opened and closed (for platen mode).
Detects the leading edge of the original to
determine when to turn off the DF transport
motor and expose the original, and checks
for original misfeeds.
Detects whether the feed-in cover is open or
not.
Detects the original width.
Detects the original length.
Detects the original length.
Detects the original is on the feed table.
Detects the trailing edge of the last original to
stop copy paper feed and to turn off the
transport motor, and checks for original
misfeeds.
Controls the up-down movement of the
original table.
Energizes the stamp to mark the original.
Transfers transport motor drive to the pick-up
roller and feed belt.
Interfaces the sensor signals with the copier,
and transfers the magnetic clutch, solenoid,
and motor drive signals from the copier.
8-4
Index No.
9
6
13
2
3
8
7
11
12
4
10
1
5
SM