Feed Error - Canon imageFORMULA P-208 Service Manual With Parts Catalog

CHAPTER 2 FUNCTION & OPERATION

2. Feed Error

Paper Jam Detection
Paper jams are detected by the regis-
tration sensor. The types of the document
jams are described as follows.
1) Pickup Delay Jam (Pickup Error)
The leading edge of the document was not
detected by the registration sensor within
the specified time after the machine starts
scanning.
2) Early Reach Jam
The leading edge of the following docu-
ment was detected after the trailing edge
of the document was detected by the
registration sensor before the document
has been fed for a specified length.
3) Residual Jam
The trailing edge of the document was not
detected even though the document has
been fed for the maximum specified length
after the leading edge of the document
was detected by the registration sensor.
4) Fast Feed Jam
The trailing edge of the document was
detected after the leading edge of the
document was detected by the registration
sensor before the document has been fed
for the minimum specified length.
5) Non-removal Jam
The machine starts scanning while the
document is detected by the registration
sensor and still remains inside this ma-
chine.
2-10
document length detection by the registra-
tion sensor.
scanned batch is used as a reference to
detect the document length. The 35 mm or
more difference from the standard is inter-
preted as a double feed.
COPYRIGHT © CANON ELECTRONICS INC. 2012
Double Feed Detection
A double feed is detected by the
The first document length of the
CANON P-208 FIRST EDITION