MX-FN17, MX-PN11. MXFN17 MXPN11 Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 40

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MX-FN17  OPERATIONAL DESCRIPTIONS  6 – 11
B. Paper scrape and alignment
1)
For the first sheet of a bundle, the paper pass detector
(FPPD1) is turned ON and the delivery roller lift motor
(FDRLM) is driven to lower the bundle exit roller. The paper
delivery motor (FPDM) is driven at the paper exit speed of the
main unit to drive the bundle exit roller. 
In addition, the paper alignment motor F (FPAM_F) and the
paper alignment motor R (FPAM_R) are driven by turning ON
the paper pass detector (FPPD1) to shift the alignment plate to
15mm outside the paper, and enter the standby state. After
transport of a certain amount, the delivery roller lift motor
(FDRLM) is driven to lift the bundle exit roller, stopping the
paper delivery motor (FPDM).
2)
For the second and later sheets of a bundle, the paper pass
detector (FPPD1) turns ON and a certain amount is trans-
ported, and then the paper alignment motor F (FPAM_F) and
the paper alignment motor R (FPAM_R) are driven to shift the
alignment plate to 15mm outside the paper and to put it under
the standby state.
3)
After the paper rear edge passes the paper exit roller of the
main unit, the paper transport motor (FPTM) is accelerated to
480mm/sec.
4)
In the punch mode, punching is performed as described in "7.
Punching process."
5)
When the paper rear edge passes the paper pass detector
(FPPD1) and a certain amount is transported, the delivery
roller lift motor (FDRLM) is driven to lower the bundle exit roller
and the paper delivery motor (FPDM) is driven for a certain
amount in the scrape direction at the paper exit speed of the
main unit to scrape paper to the process tray. In addition, the
paper alignment solenoid (FPAS) is turned ON to lower the
scrape belt.
6)
After completion of scrape, the delivery roller lift motor
(FDRLM) is driven to lift the bundle exit roller. The paper align-
ment motor F (FPAM_F) and the paper alignment motor R
(FPAM_R) are driven for a certain amount to align paper in the
process tray. If there are two or more sheets to be aligned, the
procedures are repeated from "A-1)" for the specified number
of sheets. However, the paper exit operation of "C. Aligned
paper exit" is performed for every 3 sheets.
C. Aligned paper exit
1)
After completion of alignment, the paper alignment solenoid
(FPAS) is turned ON to lift the scrape belt. The paper align-
ment motor F (FPAM_F) and the paper alignment motor R
(FPAM_R) are driven to separate paper from the alignment
plate by 1mm. In addition, the delivery roller lift motor (FDRLM)
is driven to lower the bundle exit roller. The paper delivery
motor (FPDM) is started at the speed of 450mm/sec and paper
in the process tray is discharged.
2)
After transport of paper by a certain amount, the paper align-
ment motor F (FPAM_F) and the paper alignment motor R
(FPAM_R) are driven to shift the alignment plate to the home
position.
3)
When the paper rear edge passes the staple tray paper detec-
tor (FSTPD), the paper level detector solenoid (FPLDS) is
turned OFF and the bundle exit roller speed is decelerated at
the same time, decelerating the paper exit operation.
4)
Immediately after the paper rear edge passes the bundle exit
roller, the paddle solenoid (FPS) is turned ON to scrape paper
falling onto the tray.
5)
After the paper rear edge passes the bundle paper exit roller,
before the paddle passes the load tray, the paper level detec-
tor solenoid (FPLDS) is turned ON to hold the discharged
paper with the paper holding lever.
6)
When the paddle rotates one turn, the paper delivery motor
(FPDM) is stopped.
7)
When there is next paper, the procedures are repeated from
"A-1)."
8)
When there is no next paper, the actuators are turned OFF
and the finisher operation status command is set to READY to
terminate the transport operation.
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