Canon BJC-6000 Technical Information PDF herunterladen (Seite 102)

3.4.2 Construction of the paper feed unit

This printer's paper feed unit is mechanically comprised of the pick-up unit, paper

feed unit, and the paper eject unit.

a) Pick-up unit

The auto-sheet feeder for this printer eliminates the need for a mechanical paper-

type selector provided the paper satisfies the specifications. As a result, no

mechanical selector lever is in the auto-sheet feeder unit. The stacked papers are

locked in two places with hooks at the paper's leading edge to prevent paper from

skewing or warpage that could cause misfeeding.

Paper feed operation starts when, driven by the paper feed motor, the pick-up roller

starts turning. The two hooks at the paper's leading edge will be unlocked, allowing

the paper to be loaded onto the sheet feeder and hooked on the separator by one

corner. When the pick-up roller starts turning, the paper, with one corner

suppressed by the paper separator, will be separated and fed one sheet at a time to

the paper feed roller.

If the paper is a resilient type such as an envelope/thick paper (postcards, etc.,), it

pushes the paper separator over as it gets fed because the paper's resilience is

greater than the paper separator spring's return force.

Part 4: Technical Reference

BJC-6000

4-30

Paper

Pick-up Roller

Stacked Paper

Manual Paper Feeding

Envelope/Postcard Feeding

Plain Paper Feeding

Pick-up Guide

Pick-up Corner

Pick-up Hook

Figure 4-24 Paper Feed Unit

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Canon BJC-6000 Technical Information Seite 102