Read Sharp AR-F11 (serv.man6) Service Manual online
3-21
CHAPTER 3 SADDLE STITCH UNIT BASIC OPERATION
C.
Controlling the Movement of Sheets
When the leading edge of a sheet has moved past the inlet flapper, the intermediate feed roller and
the crescent roller start to move the sheet forward.
The intermediate feed roller is normally not in contact with the path bed. When the leading edge
of a sheet reaches the intermediate feed roller contact section, the feed plate contact solenoid (SL4S)
causes the roller to come into contact with the path bed so as to move the sheet. The contact is broken
as soon as the leading edge of the sheet reaches the paper positioning plate. This series of operations
is executed each time a sheet arrives.
causes the roller to come into contact with the path bed so as to move the sheet. The contact is broken
as soon as the leading edge of the sheet reaches the paper positioning plate. This series of operations
is executed each time a sheet arrives.
When the leading edge of the first sheet reaches the paper positioning plate, the paper positioning
plate paper sensor (PI8S) turns ON. The arrival of the second and subsequent sheets will not be
checked since the first sheet will still be over the sensor.
checked since the first sheet will still be over the sensor.
The crescent roller keeps rotating while sheets are being output, butting the leading edge of each
sheet against the paper positioning plate, and ultimately, keeping the leading edge of the stack in
order.
order.
The alignment plate motor (M5S) drives the alignment plates for each sheet so as to put both left
and right edges of the sheet in order.
1) The solenoid turns ON while paper is being moved so that the feed plate comes into contact.
SL4S
Feed plate contact
solenoid
ON
Feed motor
Intermediate feed roller
M1S
Figure 3-306
Click on the first or last page to see other AR-F11 (serv.man6) service manuals if exist.