Canon imagePROGRAF iPF670 MFP L24 L24 - L36 Large Format Scanner User Manual - Page 46

Image Quality

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Image Quality  The following scanned image shows possible image errors and the actions required to resolve them. Vertical lines = Dirt on Scan glass or poor calibration - Clean the scanner. Calibrate if the problem persists. Colour variation over approximately 8" (200mm) sections, or vertical streaks within these sections - Calibrate. Uneven/dirty "white" background - Calibrate. Broken lines - Auto-Stitch.  Cleaning the scanner will remove most vertical lines. Version 1.0 46 Global Scanning UK Ltd © 2016

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Version 1.0
46
Global Scanning UK Ltd © 2016
Image Quality
The following scanned image shows possible image errors and the actions required to resolve
them.
Cleaning the scanner will remove most vertical lines.
Colour variation over approximately 8”
(200mm) sections, or vertical streaks within
these sections
–
Calibrate.
Vertical lines = Dirt on Scan
glass or poor calibration
–
Clean the scanner. Calibrate if
the problem persists.
Uneven/dirty “white”
background
–
Calibrate.
Broken lines - Auto-Stitch.