Download Sharp AR-650 Service manual

The PFP tray motor (M27), (M28) or (M29) turns
ON and raises the cassette tray when the cassette
switch detects that a cassette is installed. The pa-
PFP tray-up switch
PFP paper-empty switch
per on the tray contacts with the PFP pick-up roller,
which pushes up the roller. When the pick-up arm
Actuator
Pick-up roller
is detected by the tray-up switch (S30), (S34) or
(S38), the tray motor turns OFF and the tray stops.
This position becomes the paper-feed position.
If there is paper on the tray, the actuator at the center
Pick-up arm
Cassette tray
Paper
of the PFP pick-up roller is also detected by the
PFP paper-empty switch (S29), (S33) or (S37).
If there is no paper on the tray, then the actuator
enters the hole in the tray (only at the position of
the actuator) and does not reach the PFP paperempty switch detection position, indicating that there
is no paper.
Cassette base
Fig 9.4-1 In the case where there is paper
(the actuator is detected)
If no copy is started, the tray is lowered two seconds after the tray reaches the paper feed position.
PFP tray-up switch
PFP paper-empty switch
PFP pick-up roller
Pick-up arm
Tray hole in the
actuator position
Cassette tray
Actuator
Cassette base
Fig 9.4-2 In the case where there isn't paper
(the acutuator isn't detected)
9 - 47
PAPER FEED SYSTEM