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KD-1025 © 2009 - 2011 TOSHIBA TEC CORPORATION All rights reserved
GENERAL OPERATION
3 - 2
3.2 Description of Operations
[A] From power ON to ready
(1) When the equipment is turned ON, the power is also supplied to the feeder unit. And when the
power is supplied, the feeder unit detects and judges the clock frequency output from the LGC
board on the equipment to control transport speed of the unit.
(2) After that, the tray-up motor (M2)/(M3) is turned ON to raise the corresponding tray. When the
tray-up sensor (S4)/(S5) is turned ON correspondingly, the tray-up motor (M2)/(M3) is turned
OFF to stop the tray. If the empty sensor (S6)/(S7) is OFF (H) at this time, it is judged that there
is no paper in the drawer. If the empty sensor is ON (L), it is assumed that there is paper in the
drawer, and the tray stays in the raised position until the drawer is pulled out.
(3) If the power is turned ON when the drawer has been pulled out, the tray-up motor for that drawer
is not turned ON. The tray is raised as soon as the drawer is installed, and it detects if there is
paper in the drawer.
(4) If either of the drawer feed sensors (S2), (S3) is ON (there is paper in the transport path) when
the power is turned ON, that means paper jam has occurred and operation is disabled until the
paper is removed.
[B] Ready status
(1) Trays detect the paper as described above, and the equipment goes into ready status.
(2) The tray goes down automatically when the drawer is removed and it is raised as soon as the
drawer is installed again and checks if there is paper in the drawer.
[C] From the start to the end of copying
(1) When the [START] button is pressed, the feed/transport and exit motors of the equipment and
the PFP motor (M1) are turned ON at the same time.
(2) When the equipment judges that PFP is ready for feeding paper, it turns ON the feed clutch
(CLT2)/(CLT3) of the selected drawer. This clutches drive the pickup roller and feed roller to feed
paper from the tray.
(3) When the drawer feed sensor (S2)/(S3) comes ON, the transport clutch (CLT1) is turned ON to
drive the PFP transport roller.
(4) A fixed time after the drawer feed sensor (S2)/(S3) comes ON, the feed clutch (CLT2)/(CLT3) is
turned OFF and feeding from the drawer is completed.
(5) The paper is transported to the equipment by the PFP transport roller. A fixed time after the
leading edge of the paper reaches the drawer feed sensor (S2), if the trailing edge of the
previously sent sheet still remains at the copier feed sensor, the transport clutch (CLT1) is turned
OFF to stop the transport of the paper.
(6) A fixed time after the paper turns the resist clutch ON, PFP becomes ready for feeding the next
sheet of paper, and the procedures (1) to (5) are repeated.
(7) When the copying operation is completed, the feed/transport motor, exit motor, PFP motor (M1),
and transport clutch(CLT1) are turned OFF and the transport roller is stopped.