K110sm8e3.doc
8-30
8. 4. 4 Position
[Purpose of adjustment]
The scanner reads the image of original with 5 - CIS (Contact Image Sensor).
As these CIS are arranged in 2 rows, there occurs a vertical gap of image among the image blocks.
Also the reading area of these 5 pieces of CIS overlaps each other some degree. As a result there
occurs the duplication of image between neighbouring Image Block (same image is commonly
included in the neighbouring two Image Blocks).
“Position” is the solution for these kinds of phenomenon.
It is possible remove the vertical gap of image by vertical positioning process (Y offset).
And it is also possible to remove the duplication of image by horizontal positioning process
(X overlap).
[Necessary situation]
Position is required when;
• Periodic field maintenance (every 48,000m)
• After replacing;
(1) CIS Assembly
(2) Scan Glass Assembly
Gap of CIS position
Overlaps of reading area
Duplications of image
Vertical gap of image
NOTE
You need an exclusive Target Sheet for this adjustment.
Its part number is Z058501590.
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