Sharp AR-C150 Service Manual page 12

AR-C150
2) Remove the cabinet fixing screw.
3) Pass the washer of the horizontal level check string into the screw
(LX-BZ0870FCZZ) and attach it to the copier.
4) Check that the horizontal level check string is in the frame mark of
the horizontal level check sheet. If the horizontal check sheet is
not available, check that the horizontal level check string is within
the cabinet fixing screw width.
If the above condition is satisfied, no need to make further adjust-
ment.
If the above condition is not satisfied, perform the following proce-
dure.
5) Put the spacer disk under the caster.
If the adjustment cannot be performed only with the spacer disk,
use the spacer together.
(4) Adjuster setup
1) As shown in the figure below, turn the adjuster until it makes con-
tact with the floor securely.
8. Copy quality check
Check the following items. For the adjustment and check procedures,
refer to the section of adjustments.
(1) Focus (resolution) (Refer to ADJ M12.)
(2) Copy image off- and center (Refer to ADJ M14 and
ADJ M15.)
(3) Image loss, void area (Refer to ADJ M16.)
(4) Image resist
Check the following items. If the adjustment is improper, make an ad-
justment again.
∗
Main scanning direction image resist adjustment (Refer to ADJ
M9.)
∗
Sub scanning direction image resist adjustment (Refer to ADJ
M10.)
(5) Copy color balance, density (Refer to ADJ M17.)
There are two check methods.
∗
Set the color balance (copy density) setup of each copy mode to
the center. Make a copy of the gray scale chart (UKOG-
0162FCZZ) and a copy of the color test chart (UKOG-0283FCZZ).
Check that the color balance and the density level are within the
specified range.
For details and the judgement criteria, refer to "Copy mode color
balance and density check" in ADJ M17.
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Release
Lock
Adjuster