Read Sharp AR-505 (serv.man8) Service Manual online
E. Paper feed
(1) Manual paper feed size detection level adjustment
1) Execute SIM 40-2.
2) Extend the manual paper feed guide fully.
3) Press [MAX POSITION] on the LCD of the operation panel to
highlight it.
4) Press [EXECUTE] on the LCD of the operation panel to highlight
it.
If normal, the highlight is shifted from [MAX POSITION] to [MIN
POSITION].
POSITION].
5) Narrow the manual paper feed tray guide fully.
6) Press [EXECUTE] on the LCD of the operation panel to highlight
it.
Check that [COMPLETE] is highlighted.
7) Press the CA key to cancel the simulation.
(2) Paper feed off-center adjustment
When the center of No. 1 and No. 2 paper feed trays is shifted with
the reference of manual paper feed and the self print, adjust as
follows.
the reference of manual paper feed and the self print, adjust as
follows.
1) Loosen the fixing screws a and b of the front cabinet of the paper
feed tray.
*
When fixing the front cabinet, the clearance between fixing
screw a and the cabinet and the clearance between fixing
screw b and the cabinet are symmetric.
screw a and the cabinet and the clearance between fixing
screw b and the cabinet are symmetric.
[Reference view]
2) Shift the front cabinet and adjust.
Move the front cabinet in the direction of A.
Move the front cabinet in the direction of B.
F. Paper transport
(1) Separation pawl operation timing adjustment
This adjustment is to adjust the time from when the resist roller is
turned on to when the drum separation pawl is turned on.
turned on to when the drum separation pawl is turned on.
1) Execute SIM 51-1.
(AR-250/280/281/285/286/335/336/405)
(AR-501/505)
2) Change value A and adjust the separation pawl operating timing.
Initial value:
310 ms (283 ms for AR-501/505)
1 step:
1ms
Adjustment range:
1
~
999ms
If the adjustment value is improper, a paper jam may resulted.
Direction A
Direction B
(Reference view)
Section a
Section b
Paper center line
Image center line (First image)
Paper exit direction
Paper center line
Image center line (first image)
Paper exit direction
AR-505
8/6/1999
6 – 17
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