Star Micronics WinType 4000 Technical Manual page 106

MAINTENANCE GUIDE
§7. [MCU PWB ↔ Pre-regi. Sensor, Feed Solenoid]
MCU PWB
PL 5.1
P/J16
–
1
–
2
5VDC
P/J18
–
1
–
2
–
3
Signal Wire Name
Pre-Regi. Sensor ON(L) 5VDC
*1: The pre-regi. sensor's driving power is attenuated to approximately 1.2VDC in order for the 5VDC voltage
supplied by the MCU PWB to mediate the resistance.
Coil resistance of the feed solenoid: 120Ω ±10% (at 20°C)
*2:
FEED SOLENOID ON(L) 24VDC
⊃
⊃
24VDC
1.2VDC
⊃
SG
⊃
PRE-REGI. SENSOR ON(L) 5VDC
⊃
This signal detects paper in the pre-regi. roll assembly. (The signal is low
when paper is present and high when paper is not present.)*1
– 102 –
FEED SOLENOID
PL 2.10
PRE-REGI. SENSOR
P/J181
PL 2.7
⊃
–
3
⊃
–
2
⊃
–
1
Reference
FEEDER ASSY
PL 2.1