Canon BJC 6000 Service Manual - Page 103

sharp toothed spurs.

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BJC-6000 Part 4: Technical Reference To manually feed paper, the user must insert the paper into the manual feed slot until the paper end sensor detects it. In the manual paper feed mode, the pick-up guide changes its position for the paper to pass through a different path from that in which the auto-sheet feeder is used. As a result, manual paper feed mode is possible even when the auto-sheet feeder is loaded with paper. When the paper pushed in to the paper feed section is detected by the paper end sensor, it will be fed to the print start position. b) Paper feed unit The printing unit clamps the paper on the platen between the pressure roller/paper feed roller and the spurs/eject roller to provide a constant clearance between the head and the paper. Control of paper feeding during printing is performed by controlling the turning of the high precision ceramic-coated metal paper feed roller. Paper is fed in steps of 1/720 inch. c) Paper eject unit The printed paper is ejected by the eject roller with its face clamped on the roller by sharp toothed spurs. The paper eject unit consists of the eject roller and the spurs. A cut sheet fed to the print start position will be printed at the platen. The cut sheet is fed by the turning of the paper feed roller and pinch roller, and, after being printed, will be ejected by the eject roller and spurs. 4-31

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To manually feed paper, the user must insert the paper into the manual feed slot
until the paper end sensor detects it.
In the manual paper feed mode, the pick-up
guide changes its position for the paper to pass through a different path from that in
which the auto-sheet feeder is used.
As a result, manual paper feed mode is
possible even when the auto-sheet feeder is loaded with paper.
When the paper
pushed in to the paper feed section is detected by the paper end sensor, it will be fed
to the print start position.
b) Paper feed unit
The printing unit clamps the paper on the platen between the pressure roller/paper
feed roller and the spurs/eject roller to provide a constant clearance between the
head and the paper.
Control of paper feeding during printing is performed by
controlling the turning of the high precision ceramic-coated metal paper feed roller.
Paper is fed in steps of 1/720 inch.
c) Paper eject unit
The printed paper is ejected by the eject roller with its face clamped on the roller by
sharp toothed spurs.
The paper eject unit consists of the eject roller and the spurs.
A cut sheet fed to the print start position will be printed at the platen.
The cut sheet
is fed by the turning of the paper feed roller and pinch roller, and, after being
printed, will be ejected by the eject roller and spurs.
4-31
BJC-6000
Part 4: Technical Reference