Minolta Magicolor 3100 Series Service Manual page 381

Signal line name
TRAY1 SIZE0 SWITCH
ON(L)+3.3VDC
TRAY1 SIZE1 SWITCH
ON(L)+3.3VDC
TRAY1 SIZE2 SWITCH
ON(L)+3.3VDC
TRAY1 NO PAPER
SENSED(L)+3.3VDC
TRAY1 LOW PAPER
SENSED(L)+3.3VDC
TRAY1 FEED SOL ON(L)+24VDC
TRAY1 TURN CL ON(L)+24VDC
♦
Outline of SWITCH ASSY SIZE
The paper size is determined by a combination of ON/OFF statuses of the upper, middle, and lower
switches of SWITCH ASSY SIZE.
LEGAL14" (SEF)
LEGAL13" (SEF)
EXECUTIVE (SEF)
B5 (SEF)
A4 (SEF)
LETTER (SEF)
A5
No cassette
ON/OFF detection signal of SWITCH ASSY SIZE upper SW
ON/OFF detection signal of SWITCH ASSY SIZE middle SW
ON/OFF detection signal of SWITCH ASSY SIZE lower SW
Cassette paper detection signal by SENSOR PHOTO (No Paper
Sensor)
Cassette residual paper detection signal by SENSOR PHOTO
(Low Paper Sensor)
ON/OFF control signal of SOLENOID FEED (Tray 1)
ON/OFF control signal of CLUTCH ASSY TURN (Tray 1)
Paper size
Upper
Chapter 7 Wiring Diagrams and Signal Information
Description
Switches
Middle Lower
ON ON ON
ON ON OFF
ON OFF ON
ON OFF OFF
OFF ON ON
OFF OFF ON
OFF ON ON
OFF OFF OFF
7-381