Canon imagePROGRAF iPF670 Service Manual page 94

Chapter 2
2.3.3.2 Paper Path
2.3.3.2.1 Structure of Feed Roller Unit
0023-2512
Feed Roller Encoder Sensor
Feed Roller HP Sensor
Pinch Roller
Feed Motor
Feed Roller
Paper Detection Sensor
F-2-24
a) Feed roller Unit
The feed roller unit consists of media feeding mechanisms such as feed rollers driven by the feed motor and the pinch roller unit operating in conjunction with the
feed rollers.
While being held flat on the platen, media is fed horizontally under the printhead.
b) Detection Unit
The feed roller unit has a sensor that detects the media feed status and a sensor that detects the status of the mechanisms that constitute the paper path.
2-26