As the cam rotates, it shields the sensor light of the photointerrupter-based pump cam sensor or allows it to be transmitted. the status of the purge unit, such as

capped, suction, and wiping, is detected in a Combination of the status of detection by the pump cam sensor and the control of pump motor rotation by the pump

encoder sensor.

Rotary flag

- Carriage lock

- Wiping

Pump encoder sensor

The photointerrupter-based sensor reads slits in the encoder film of the Purge motor and controls the amount of its rotaion accordingly.

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Agitation cam sensor

Head management sensor

Sensor

- Capping

- Suction