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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
7-41
CHAPTER 7 PICK-UP/FEEDING SYSTEM
b. Other Delay Jams
Basically, the same principles are used to detect delay jams other than pickup sensor delay
jams.
Figure 7-703 Detecting Other Delay Jams
Copy Start key
ON or
PRINT set
INTR / PRINT
Sensor N-1
Jam check
Sensor N
0.13 sec
I
0.13 sec
I
Normal Error
A specific time I after the leading edge
of paper is detected by the sensor N-1,
a jam check is started.
A check is made for about 0.13
sec to find out if paper has
reached the sensor N.
A delay jam is identified if
paper does not reach the
sensor N during this period.