Canon imagePROGRAF iPF8400, Service Manual

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Chapter 2
2-24
2.3.3 Paper Path
2.3.3.1 Outline
2.3.3.1.1 Overview of Paper Path
0013-8780
The key components of the paper passage consist of a feed roller assembly, a pinch roller drive that locks and releases the pinch roller and sensors that detect the
feed status of paper. It feeds paper in trays, conveys and delivers paper.
Basic operation of the roll media loading sequence
1) Multi sensor light quantity adjustment.
2) Paper leading edge detection sensor.
3) Paper left edge detection sensor.
4) Barcode read.
* Performed only if Chk Remain.Roll is turned on.
5) Paper skew detection sensor.
6) Paper right edge detection sensor.
7) Trim edge first detection sensor.
* Performed only if Trim Edge First is turned on.
8) Leading edge cutting.
* Leading edge cutting is executed under the following conditions.
a. Trim Edge First is set to Forced.
b. Trim Edge First is set to Automatic, and the need for cutting determined.
c. A barcode is detected when Chk Remain.Roll is on (forced cutting, regardless of the setting of Trim Edge First).
9) Paper leading edge detection sensor.
Basic operation of the cut sheet loading sequence
1) Paper trailing edge detection sensor.
2) Multi sensor light quantity adjustment.
3) Paper width detection sensor.
4) Paper leading edge detection sensor.
5) Paper skew detection sensor.
MEMO:
Press the [ ] key while the printer is offline to deliver paper, the [ key to rewind the paper.