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8 July 1996
8.6.4 Uneven Exposure Adjustment
When:
Purpose:
Adjustment standard:
How:
Wing positioning:
Image turns darker.
Image turns lighter.
1. Remove the exposure glass. (See Exposure Glass Removal.)
2. Position the adjustment wings [A] so that the side-to-side copy image
density variation is within the adjustment standard.
3. Turn on the main switch and enter SP mode, then perform the process
control data initial setting (
NOTE: If uneven density is not solved by this adjustment, proceed to the
steps 4 and 5 in the next page.
If the exposure is uneven.
To maintain even exposure.
The side-to-side variation of the gray scales on
the test chart should be less than one level.
Change the position of the exposure lamp or
exposure adjustment wings to make light
intensity from the exposure lamp even across its
length.
[A]
SP Adjustment - PAGE 1).
5-121
DUPLEX UNIT
A176R706.wmf
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