Ink Passage System - Canon iPF800 Series Service Manual

2.5.2 Ink passage system

iPF810 / iPF820
Pump cam sensor
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
Agitation cam sensor
Sensor
- Capping
- Suction
- Carriage lock
- Air passage
Pump encoder sensor
Head management sensor
F-2-38
- Air passage valve open
- Idle suction
- Carriage move
F-2-39
Valve open/closed detection sensor
Pump cam sensor
HP maintenance jet
pump encoder sensor
- Printing
- Suction during printing
- Maintenance jet
- Idle suction
Chapter 2
0020-5560
2-47