Page 25 - MF3010Series Service Manual (Rev.0) (1)-017-045 (1)

2 Technical Overview > Pickup Feed System > Detecting Jams > Delay Jam
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B. Preceding sheet exists 1 ● Delivery Delay Jam during Auto Delivery
Paper Leading Edge OFF When the Paper Leading Edge Sensor (PS751) detects presence of paper and the Fixing
Sensor (PS751) ON 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.
Fixing Delivery OFF
Sensor (PS701) ON NOTE:
70 The start timing of auto delivery is the timing to stop the scanner.
msec
1490(2235)msec
Jam
● Delivery Delay Jam during Cleaning
F-2-27
When the Paper Leading Edge Sensor (PS751) detects presence of paper while the Fixing Paper Leading Edge OFF
Delivery Sensor (PS701) is detecting the preceding sheet, it is judged as a jam if 70 msec. Sensor (PS751) ON
elapses after the Fixing Delivery Sensor (PS701) detected absence of paper when 1490 (2235)
Fixing Delivery
msec. has passed after the Paper Leading Edge Sensor (PS751) detected presence of paper. Sensor (PS701) OFF
When the Fixing Delivery Sensor (PS701) detects absence of paper again after 70 msec. has ON 1490msec
passed since it detected no paper first, it is judged as a delivery delay jam. Paper Detection Period

C. Preceding sheet exists 2 Jam
F-2-29
Paper Leading Edge OFF When the Fixing Delivery Sensor (PS701) cannot detect presence of paper within 1490 msec.
Sensor (PS751) ON
after the Paper Leading Edge Sensor (PS751) detects the paper, it is judged as a delivery
Fixing Delivery OFF delay jam.
Sensor (PS701) ON
70msec Paper Detection Period
1490(2235)msec

Jam
F-2-28
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.

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2 Technical Overview > Pickup Feed System > Detecting Jams > Delay Jam