Adjustment Of Duplexer - Sharp AR-650 Service Handbook

1.15 Adjustment of Duplexer

1.15.1 Adjustment of the stack guide unit
[A] Stack guide stop position adjustment
When making copies in the double-sided mode
on the Duplexer, make sure that the horizontal
deviation on both sides of the paper is less than
±2 mm.
If the deviation is outside of this range, follow
the procedure below to adjust.
(1) Stack paper on the stack guide, and make sure
that the gap between the paper and the stack
stopper on the stack guide is 1±0.5mm. To ad-
just the gap, loosen the fixing screw on the rear
side of the stack guide unit, and then, make
adjustment with the adjusting screw.
[B] Duplexer horizontal deviation adjustment
When the image on the double-sided copy de-
viates horizontally even after adjustment [A]
(1) Loosen the 2 screws for fixing the stack guide
unit. If the paper drifts toward either the front or
the rear side, move the stack guide unit toward
the opposite side by the amount of the paper
drift, using the scales on the unit as a guide.
(2) After adjustment, tighten the 4 fixing screws on
the stack guide unit.
Note: The 1mm interval scales are useful in mak-
ing this adjustment.
(3) After adjustment, make a copy to check that
horizontal deviation is corrected.
Holizontal width adjustment method
Detection switch
Narrower
+ Wider
– 2mm
(Adjustment width)
Holizontal deviation adjustment method
Lower feed guide
Scale (F side)
1 - 71
Eccentric cam
Stack frame
+
– 2mm
(Adjustment width)
ADJUSTMENT