Testing the Sensors

1. Tap Sensor Tests from the Print Engine Tests screen.

2. You see the values for battery voltage, black mark sensor, on-demand sensor, and printhead temperature. The battery voltage range is between 7.0 and 8.4 volts. The printer will not print if the voltage is below 7.0.

3. Open the cover to test the sensors.

♦For the Black Mark sensor, hold a black mark against the sensor as shown. When you place the black mark on the sensor, the values change on the screen. If white is over the sensor, the values shown for the sensor are higher. The range is between 0 and 5.0.

Black Mark Sensor Place black mark on supply over sensor.

Using Printer Diagnostics 4-7