EPSON Stylus C67/C68/D68 Revision A
TROUBLESHOOTING Troubleshooting for Motors and Sensors 34
3.3 Troubleshooting for Motors and Sensors
Motor
Sensor
Table 3-2. Motor Resistance and Check Points
Motor name Type Location Check point Resistance
CR motor Motor with DC brush CN5 Pin 1&2 28.4 Ω
± 10%
PF motor
4-phase, 200-pole HB stepping
motor
CN6
Pin 1&3
Pin 2&4
3.0 Ω ± 10%
Table 3-3. Sensor Check
Sensor name Detecting system Location Signal level Sensor status
PE sensor
Transmission photo
interrupter
CN9 pin 1&2
2.4 V or more Paper loaded
0.4 V or less No paper