Canon M3010 Series Service Manual page 41

2
Technical Overview > Pickup Feed System > Detecting Jams > Delay Jam
B. Preceding sheet exists 1
OFF
Paper Leading Edge
Sensor (PS751)
ON
OFF
Fixing Delivery
Sensor (PS701)
ON
1490(2235)msec
When the Paper Leading Edge Sensor (PS751) detects presence of paper while the Fixing
Delivery Sensor (PS701) is detecting the preceding sheet, it is judged as a jam if 70 msec.
elapses after the Fixing Delivery Sensor (PS701) detected absence of paper when 1490 (2235)
msec. has passed after the Paper Leading Edge Sensor (PS751) detected presence of paper.
When the Fixing Delivery Sensor (PS701) detects absence of paper again after 70 msec. has
passed since it detected no paper first, it is judged as a delivery delay jam.
C. Preceding sheet exists 2
OFF
Paper Leading Edge
Sensor (PS751)
ON
OFF
Fixing Delivery
Sensor (PS701)
ON
1490(2235)msec
When the Paper Leading Edge Sensor (PS751) detects presence of paper while the Fixing
Delivery Sensor (PS701) is detecting the preceding sheet, it is judged as a jam if 70 msec.
has elapsed after the Fixing Delivery Sensor (PS701) detects absence of paper before 1490
(2235) msec. passes after the Paper Leading Edge Sensor (PS751) detected presence of
paper.
When the Fixing Delivery Sensor (PS701) detects absence of paper after 1490 (2235) msec.
has passed since the Paper Leading Edge Sensor (PS751) detected presence of paper, it is
judged as a delivery delay jam.
2 Technical Overview > Pickup Feed System > Detecting Jams > Delay Jam
70
msec
Jam
F-2-27
70 Paper Detection Period
msec
Jam
F-2-28
● Delivery Delay Jam during Auto Delivery
When the Paper Leading Edge Sensor (PS751) detects presence of paper and the Fixing
Delivery Sensor (PS701) detects absence of paper at 1490 (2235) msec. after the start of
auto delivery, it is judged as a delivery delay jam.
NOTE:
The start timing of auto delivery is the timing to stop the scanner.
● Delivery Delay Jam during Cleaning
OFF
Paper Leading Edge
Sensor (PS751)
ON
OFF
Fixing Delivery
Sensor (PS701)
ON
1490msec
When the Fixing Delivery Sensor (PS701) cannot detect presence of paper within 1490 msec.
after the Paper Leading Edge Sensor (PS751) detects the paper, it is judged as a delivery
delay jam.
2-26
Paper Detection Period
Jam
F-2-29
2-26