Service manual

THEORY
Electrical
SERVICE MANUAL
2-14
6.4. Carriage Home Position Sensor
The carriage home position sensor circuit is shown in Fig. 2.12. The HIGH/LOW status
of the sensor is read by pin 164 of the CBIC (#8). The signal goes LOW when the
carriage reaches the home position.
Fig. 2.12 Carriage Home Position Sensor Circuit
6.5. PE Sensor
The PE sensor detection circuit is shown in Fig. 2.13. The HIGH/LOW status of the PE
sensor is read by pin 165 of the CBIC (#8). The signal is HIGH if there is no paper at
the sensor position.
Fig. 2.13 PE Sensor Detection Circuit