Gestetner A193 Service Manual page 370

OVERALL MACHINE INFORMATION
1.4 ELECTRICAL COMPONENT DESCRIPTION
Symbol Name
Motors
M1 DF Feed
M2 DF Transport
Sensors
S1 APS Start
S2 DF Position
S3 Registration
S4 Feed Cover Open
Sensor
S5 Original Width - 1
S6 Original Width - 2
S7 Original Width - 3
S8 Original Length - 1
S9 Original Length - 2
S10 Original Set
S11 Original Exit
S12 Reverse Table
Solenoids
SOL1 DF Pick-up
SOL2 Stamper
SOL3 Junction Gate
Clutches
MC1 DF Feed
PCBs
PCB1 DF Drive
(A661)
Function
Drives the feed belt, separation, pick-up, and
reverse table rollers.
Drives the transport and exit rollers
Informs the CPU when the DF is opened and
closed (for platen mode) so that original size
sensors in the copier can check the original size.
Detects when the DF is lifted.
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 when the feed-in cover is opened.
Detects the original width.
Detects the original width.
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 motor, and feed motor and the
junction gate solenoid.
Detects the trailing edge of the original to turn on
the DF feed clutch for next original and checks
for original misfeeds.
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.
11-4
Index
No.
4
3
8
7
19
2
17
16
15
11
10
18
14
12
5
13
6
1
9
SM