Leading Edge And Paper Size Detection; Leading Edge And Paper Size Detection; Paper End, Trailing Edge Detection; Paper Jam, Trailing Edge Detection - Ricoh J001 Service Manual

6.6.3 LEADING EDGE AND PAPER SIZE DETECTION

There is no paper size sensor in the standard paper cassette or in the optional 500-Sheet
Paper Tray for the J008. The paper size can be set on the printer operation panel. The
paper size can also be selected with the software application or the printer driver.
The paper size (and other settings) in the software application always have
priority over the printer driver settings.
The 1st registration sensor [1] is mounted on the carriage unit [2] and moves from side to
side with the carriage during printing.
The 1st registration sensor detects the leading edge of the sheet [3] for feed timing.
The 1st registration sensor also detects the width of the paper when it passes over
and detects the left vertical edge of the paper. This ensures that the paper below is
wide enough for the maximum printing area specified by the paper size selection for
the print job.

6.6.4 PAPER JAM, TRAILING EDGE DETECTION

The feeler [1] is pushed down by every sheet of paper that arrives and then pops up again
when the trailing edge of the sheet passes over the feeler. When the paper presses down
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CÓPIA NÃO CONTROLADA
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CÓPIA NÃO CONTROLADA
Paper Feed, Transport, Output
J007/J010/J011