Oki B930 Service Manual page 167

Signal line name
FMOT4 A, FMOT4 B, FMOT4 /A, FMOT4 /B
TRAY4 LEVEL UP(H)+5VDC
TRAY4 PAPER SENSED(L)+5VDC
TRAY4 PRE FEED SENSED(L)+5VDC
TRAY4 SIZE SWITCH SIGNAL
TRAY4 FEED OUT PAPER SENSED(L)+5VDC
Paper size detection
- The ON/OFF pattern of each switch (S1, S2) of TRAY4 PAPER SIZE SWITCH and the
relation of paper size and the output voltage of TRAY4 SIZE SWITCH SIGNAL are as fol-
lows.
Paper Size
No Tray
B5 LEF / 7.25"Å~10.5" LEF
8.5"Å~11" LEF
A4 LEF
TRAY4 FEED LIFT UP MOTOR exciting signal
Rise (paper feed possible level) detection signal of
plate in Tray4 by SENSOR (Tray4 Level Sensor)
Paper detection signal in Tray4 of SENSOR (Tray4
No Paper Sensor)
Feed paper detection signal from Tray4 by SENSOR
(Tray4 Pre Feed Sensor)
Paper size detection signal (analog value) of TRAY4
PAPER SIZE SWITCH
Paper detection signal by TRAY4 FEED OUT SEN-
SOR in transport section
Output
S1 S2
Voltage(V)
OFF OFF 3.06Å}0.03
OFF ON 2.61Å}0.03
ON OFF 1.41Å}0.03
ON ON 1.00Å}0.03
4-76
Description