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Chapter 3 Advanced Operation
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Press the key.
The display returns to the top screen, an icon
will be displayed on the LCD display.
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• Be sure to test fold before starting paper
folding when the double-feed detection
setting is set to [ON]. The machine will not
start if test folding is not performed even
when the start key is pressed. The icon shown
in the gure on the right will be displayed if
test folding is performed.
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• Double-feed will not be detected when using
the paper with the length of 250 mm/9.84
inches or less, even if the double-feed
detection setting is set to [ON]. The icon will
be changed as shown in the gure when using
the paper with the length of 250 mm/9.84
inches or less.
• The data on paper thickness read by test folding will be cleared by changing the [Thickness] in the
double-feed detection setting. Test fold again when the setting is changed.
• Be sure to perform test folding every time printing materials are changed to dierent ones
even if the quality and thickness of paper used are the same. Double-feed may not be
detected correctly if processing is started without test folding.
• Double-feed detection may not work properly if printing on paper is uneven or paper is
misaligned.
• Repeat test folding if double-feed occurs on test folding after double-feed detection is set to
[ON]. Double-feed will not be detected correctly if paper is processed with the same settings
as when double-feed is detected on test folding.
When mis-detection occurs
Double-feed or miss-feed may sometimes be detected although the paper is fed normally.
• If false double-feed detection occurs when paper thickness is set to [Thin], repeat test folding after setting
paper thickness to [Thick]. If false detection continues to occur after selecting [Thick], double-feed cannot
be detected. Set the double-feed detection to [OFF]
• If false miss-feeding detection occurs when paper thickness is set to [Thick], repeat test folding after
setting paper thickness to [Thin]. If false detection continues to occur after selecting [Thin], double-feed
cannot be detected. Set the double-feed detection to [OFF].
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