Dell 3115cn Service Manual page 779

Signal line name
TRAY SEN
Rxd
Txd
TURN CL ON (L) +24VDC
FEED CL ON (L) +24VDC
PAPER EMPTY SENSED (L)
+3.3VDC
PAPER SIZE SW 1 ON (L) +3.3VDC
PAPER SIZE SW 2 ON (L) +3.3VDC
PAPER SIZE SW 3 ON (L) +3.3VDC
FEED MOT ON
FEED MOT ALARM
FEED MOT CLK
FEED MOT LOW
- Outline of SWITCH ASSY SIZE
The paper size is determined by a combination of ON/OFF statuses of the SW 1, SW 2, and
SW 3 switches of SWITCH ASSY SIZE.
Version 1 2006.11.21
Control signal of the PWBA FEEDER
ON/OFF signal of the TURN CLUTCH
ON/OFF signal of the FEED CLUTCH
Paper detect signal of the Feeder by the Sensor Photo
ON/OFF signal of the SWITCH ASSY SIZE
Drive control signal of the FEED MOTOR
Paper size
LEGAL 14" (SEF)
LEGAL 13" (SEF)
EXECUTIVE (SEF)
B5 (SEF)
A4 (SEF)
LETTER (SEF)
A5
No cassette
ON : The actuator is pushing the size switch.
SW 1
SW 2
SW 3
SWITCH ASSY SIZE
Chapter 7 Wiring Diagrams and Signal Information
(NO PAPER SENSOR)
Switches
SW 1 SW 2
ON ON
ON ON
ON OFF
ON OFF
OFF ON
OFF OFF
OFF ON
OFF OFF
7 - 29
Description
SW 3
ON
OFF
ON
OFF
ON
ON
OFF
OFF
GNB07014KA