Types Of Misfeed Detection And Detection Timings - Minolta CF910 Service Manual

2-2.

Types of Misfeed Detection and Detection Timings

< Upper/ Middle/
Type
Detection of paper
left
Paper take-up
failure detection
Paper take-up
trailing edge
detection
< Multi/Manual Bypass Paper Take-Up Failure>
Type
Detection of paper
left
Paper take-up
failure detection
Paper take-up
trailing edge
detection
< Paper Attraction Failure 1/2>
Type
Paper attraction
failure 1 detection
Paper attraction
failure 2 detection
Lower Drawer Paper Take-Up Misfeed>
Upper Drawer Paper Take-Up Sensor PC12 is blocked ( L ) when
Power Switch S1 is turned ON, a misfeed is reset, or the Front Door is
opened and closed.
Same with the Middle and Lower Drawers.
PC12 is not blocked ( L ) even after the lapse of approx. 1.5 sec. after
Upper Drawer Paper Take-Up Clutch CL11 has been energized.
Same with the Middle and Lower Drawers.
PC12 is not unblocked ( H ) even after the lapse of approx. 4.5 sec.
after CL11 has been energized.
Same with the Middle and Lower Drawers.
Transport Roller Sensor PC19 or Paper Leading Edge Detecting Sen-
sor PC18 is blocked ( L ) when S1 is turned ON, a misfeed is reset, or
the Front Door is opened and closed.
PC18 is not blocked ( L ) even after the lapse of approx. 2 sec. after
Manual Feed Paper Take-Up Clutch CL14 has been energized.
PC18 is not unblocked ( H ) even after the lapse of approx. 5.2 sec.
after CL14 has been energized.
(At single-sheet attraction or the 2nd sheet of two-sheet attraction.)
Paper Attraction Detection Board 1 PWB-O is not blocked ( L ) even
after the lapse of approx. 1.3 sec. after Transfer Drum Reference
Position Sensor 1 PC20 has been activated.
(At the 1st sheet of two-sheet attraction.)
PWB-O is not blocked ( L ) even after the lapse of approx. 1.4 sec.
after PC20 has been activated.
(At single-sheet attraction or the 2nd sheet of two-sheet attraction.)
Paper Attraction Detection Board 2 PWB-P is not blocked ( L ) even
after the lapse of approx. 2.2 sec. after PC20 has been activated.
(At the 1st sheet of two-sheet attraction.)
PWB-P is not blocked ( L ) even after the lapse of approx. 2.2 sec.
after PC20 has been activated.
Detection Timing
Detection Timing
Detection Timing
T-7