Paper Path; Outline; Overview Of Paper Path - Canon iPF720 Service Manual

Ipf700 series
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2.3.3 Paper Path

2.3.3.1 Outline

2.3.3.1.1 Overview of Paper Path

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.
Paper passage schematic diagram
Basic operation of the paper loading sequence
1) Light intensity
2) Detection of leading edge of media
3) Paper width detection sensor
Detects the left and right edges of paper.
4) Barcode read
*This function is operable only if the remaining roll media detection sensor is turned on.
5) Ditection of leading skew of media.
6) Ditection of leading right edge of media.
7) Ditection of precut
*When "precut" is only an automatic cutting, it does.
8) Precut of media
*In the following cases, the form point is cut.
a. When "Up-to-date precut" is a compulsion cutting.
b. When necessary having of cutting is judged from an automatic cutting, "Up-to-
date precut" :.
c. When "Roll paper remainder amount detection" is on, and the bar code is detected (Compulsorily cut it regardless of the setting of "Up-to-date precut").
9) Detection of leading edge of media.
Basic operations of the cut media loading sequence
1) Paper trailing edge detection sensor
2) Light intensity
3) Detection of paper width
4) Detection of skewed movement of paper
MEMO:
When offline, press the [
] key to discharge the media and the [
Paper release lever
Roll hlder
Pinch roller
F-2-21
] key to rewind the media.
Printhead
Media
Feed roller
Chapter 2
0013-8824
2-29

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