Read Sharp AR-335 (serv.man11) Service Manual online
H. SPF
(1) Hinge height check and adjustment (Image distortion
adjustment)
(Adjustment 1)
Hinge ass’y R hinge space dimension adjustment
(1)
Loosen the two fixing screws of SPF.
(2)
Loosen the nuts, turn the distortion adjustment screw and adjust
dimension T to 3.0 mm.
dimension T to 3.0 mm.
(3)
Tighten two fixing screws of SPF and fix the hinge base.
(4)
Fix the distortion adjustment screw with the nut.
When the distortion adjustment screw is turned in the direction of X
(clockwise), the dimension T is increased.
(clockwise), the dimension T is increased.
(Turn the distortion adjustment screw in the direction of X (clockwise),
and shift the SPF in the direction of arrow as shown above to adjust
the dimension T.)
and shift the SPF in the direction of arrow as shown above to adjust
the dimension T.)
When the distortion adjustment screw is turned in the direction Y
(counterclockwise), the dimension T is decreased.
(counterclockwise), the dimension T is decreased.
(Adjustment 2)
Hinge ass’y L SPF height a adjustment
(1)
Loosen the nut and turn the height adjustment screw to adjust
dimension a to 10
dimension a to 10
±
0.5mm.
(2)
After adjusting the height, fix he height adjustment screw with
the nut.
the nut.
Turn the distortion adjustment screw in the direction of C (clockwise)
to increase dimension a.
to increase dimension a.
Turn the distortion adjustment screw in the direction of D (counter-
clockwise) to decrease the dimension a.
clockwise) to decrease the dimension a.
Hinge ass’y R SPF height b adjustment
(1)
Loosen the nut and turn the height adjustment screw to set
dimension b to 10
dimension b to 10
±
0.5 mm.
(2)
After adjusting the height, fix the height adjustment screw and
loosen the nut.
loosen the nut.
When the height adjustment screw is turned in the direction of C
(clockwise), the dimension b is increased.
(clockwise), the dimension b is increased.
When the height adjustment screw is turned in the direction of D
(counterclockwise), the dimension b is decreased.
(counterclockwise), the dimension b is decreased.
(Image distortion specification)
The right angle distortion of the short side for the long side must be
adjusted to less than 1.0 mm.
adjusted to less than 1.0 mm.
T=3.0mm
Distortion
adjustment
screw
adjustment
screw
Nut
Hinge base
Hinge ass'y R
SPF fixing screw
Hinge base
adjustment scale
adjustment scale
Z
(1 scale: 1mm)
(Slide the SPF by
adjustment 1.)
adjustment 1.)
Hinge ass'y L
PPC body
Hinge ass'y R
SPF
A
B
SPF fixing
screw
Y
X
(SPF adjustment direction by turning
the distortion adjustment screw)
the distortion adjustment screw)
10±0.5mm
Height adjustment
screw
screw
D (Counterclockwise)
Nut
C (Clockwise)
Hinge ass'y L
a
10±0.5mm
Height adjustment
screw
screw
D (Counterclockwise)
Nut
C (Clockwise)
Hinge ass'y R
b
Print image
Copy
Paper
1.0mm or less
220
7 – 19
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