Kodak RFS 3570 - Manual (Page 172)

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C-6  Troubleshooting G
Avoiding “Water Spots” or “Bubbles” When
Scanning
This section describes steps you take to avoid the appearance of un-
wanted circular shaped objects — appearing like water spots, dimples,
bubbles, or blisters — in scanned images. These objects occur when dust
collects on the surface of the diffuser (a 3” x 4” piece of white plastic) in
the scanner, producing unwanted results. The two-part procedure de-
scribed in this section combines using a dust removal tool to clean the
diffuser with a software R
ECALIBRATE
button.
Follow these procedures:

The first time you perform a scan during each work session.

At any time if you notice water spots or bubbles in the scanned image.
Using the Dust Removal Tool
1. Remove the calibration mask and single-frame holder adapter or
multi-frame holder from the scanner.