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Canon MultiPASS C5000 Service Manual Page 73

Canon multipass c5000 inkjet printer.
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Initializing the upper document feed roller
the separation roller starts to rotate, the position of the upper document
feed roller is simultaneously initialized to raise the document stopper
Initialization is carried out when the power is turned ON, when documents are
inserted and when documents are ejected.
Document feed lever
Switching between automatic document feed and manual document feed is
carried out by the document feed lever above the left side of the LCD. During
automatic document feed, documents arc gripped between the separation guide
and the separation roller. Switching the lever to manual document feed raises
the separation guide and frees it from the document. Manual document feed
can therefore minimize the possibility of damage caused by pinching between
the separation guide and separation roller when feeding documents such as
thick-stock paper or photographs. However, because document separation does
not occur in manual document feed mode, only one sheet at a time may be
loaded. Loading multiple sheets will result in double feed.
Document feed error detection
There are three types of document feed errors which may occur.
a) Feed jam error
When the leading edge of the document is not detected by the document edge
sensor (DES) within 15 seconds after the start of document feed, a feed jam
error is detected and document feed is terminated.
b) Document extraction error
document is extracted after document feed has started but befow the
When a
DES is turned on, a document extraction error is detected, and feeding is
Eject jam/ document too long error
When the trailing edge of the document is not detected within one meter of
too long error is detected and fading is tcrminnted.
When one of these types of jams occurs, all daln which have been rend and
completely transmitted or copiedi arc crnsed.
Chapfer 2: Technical Reference


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