Electrical Component Description - Ricoh B205 Service Manual

2.3 ELECTRICAL COMPONENT DESCRIPTION

Symbol Name
Motors
DF Feed
M1
M2 DF Transport
Sensors
S1 DF Position
Registration
S2
Feed Cover Open
S3
Sensor
Original Width
S4
Sensor Board
S5 Original Length - 1
S6 Original Length - 2
S7 Original Set
Original Exit
S8
Original Trailing
Edge
S9
Original Reverse
S10
Sensor
Solenoids
DF Pick-up
SOL1
SOL2 Stamp
Junction Gate
SOL3
Magnetic Clutches
DF Feed
MC1
PCBs
DF Drive
PCB1
SM
ELECTRICAL COMPONENT DESCRIPTION
Function
Drives the feed belt, separation, pick-up, and
reverse table rollers.
Drives the transport and exit rollers
Detects whether the DF is lifted or not.
Detects the leading edge of the original to turn
off the DF feed and transport motors, detects
the original exposure timing, and checks for
original misfeeds.
Detects whether the feed-in cover is opened or
not.
Detects the original width.
Detects the original length.
Detects the original length.
Detects if an original is on the feed table.
Detects the leading edge of the original to turn
on the junction gate solenoid and checks for
original misfeeds.
Detects the trailing edge of the original to turn
off the transport and feed motor and junction
gate solenoid.
In single-sided mode, used to detect original
misfeeds.
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.
Detects when the original is fed from the
reverse area during duplex scanning.
Controls the up-down movement of the original
table.
Energizes the stamper to mark the original.
Opens and closes the junction gate.
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.
11
Index No.
10
11
9
17
2
3
4
6
15
12
14
16
5
13
7
1
8
B810