Paper Size Detection - Canon GP160F Service Manual

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CHAPTER 7 PICK-UP/FEEDING SYSTEM

Paper size detection

The size of the paper inside the cassette is monitored by the DC controller PCB's

CPU. The CPU detects the change in position of the cassette paper size lever which is

set by the customer.

When the cassette is inserted into the main unit, the paper size lever presses the

main unit's paper size switch and therefore the presence of paper in the cassette and

also the paper size is monitored.

The construction of the paper size switch is illustrated in the diagram below. The

paper size lever is comprised of 4 push switches which detect the paper size.

¡: Push switch pressed

™: Push switch not pressed

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Paper size switch

Figure 7-304

CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

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