Electrical Component Description - Gestetner A193 Service Manual

COMPONENT LAYOUT

2.3 ELECTRICAL COMPONENT DESCRIPTION

Symbol Name
Motors
S1 DF Feed
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
Solenoids
SOL1 DF Pick-up
SOL2 Stamper
Clutches
MC1 DF Feed
PCBs
PCB1 DF Drive
(A628)
Function
Drives all the 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 transport motor, 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.
Controls the up-down movement of the original
entrance guide.
Energizes the stamper to mark on 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.
7-4
Index
No.
3
7
6
5
2
13
12
11
9
8
14
4
10
1
5
SM