Sharp AR-F152, Service Manual

Page: 35 / 170

(2) Manual multi paper feed operation
1) Before paper feed operation, the manual paper feed solenoid
(MPFS) is turned OFF as shown in the figure below.
2) When the PRINT button is pressed, the manual paper feed
solenoid (MPFS) turns on to disengage the manual paper feed latch
A from the manual paper feed clutch sleeve A, rotating the manual
paper feed roller and the manual take-up roller. At the same time,
the manual paper feed stopper opens and the manual take-up roller
is pressed to the surface of the paper to start paper feeding.
3) When pawl C of the manual paper feed clutch sleeve is hung on the
manual feed latch, the manual feed stopper falls and the manual
take-up roller rises. At that time, the manual paper feed roller is
rotating.
4) The lead edge of the transported paper is pressed on the resist
roller by the transport roller. Then the paper is stopped temporarily
to make synchronization with the lead edge of the image on the
OPC drum.
The operations hereinafter are the same as the paper feed opera-
tions from the tray. (Refer to A-5
∼
8.)
5) The solenoid turns off to close the gate and return to the initial
state.
(3) Conditions of occurrence of paper misfeed
a. When the power is turned on:
PPD or POD is ON when the power is turned on.
b. Copy operation
a. PPD1 jam
1) PPD1 does not turn off within 4 sec
after turning on the resist roller.
b. PPD2 jam
1) PPD2 is off immediately after turning on
the resist roller.
2) PPD2 does not turn off within 1.2 sec
after turning off the resist roller.
OF
MPFS
F
C
A
ON
MPFS
A
C
ON
MPFS
A
C
OF
MPFS
F
A
C
AR-F152
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