JAM DETECTION
B813 12 SM
2.7 JAM DETECTION
JAM 1:
If the registration sensor fails to turn on within x
1
ms after the DF
transport motor comes on to feed the original from the original tray.
x
1
= 2267 ms
JAM 2:
If the registration sensor fails to turn off within x
2
ms after the DF
transport motor comes on to feed the original from the original tray.
x
2
= 1234 ms
JAM 3:
If there is no original at the registration sensor when scanning is started,
even though the sensor had already turned on.
JAM 4:
The current original is stopped after the registration sensor detects its
leading edge, but the previous original is still at the scanning position.
JAM 5:
If the original stopped at the stamp position is removed.
JAM 6:
If the cover is opened or the ADF is lifted up while the ADF is in
operation.
JAM 7:
If the DF gate signal (indicating that the original is now in the correct
position for scanning) is not asserted when the original trailing edge
passes the DF exposure glass.
JAM 7 occurs when the original is pulled out while it is being scanned.
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