HP PageWide 6000 User Guide - Page 129

Variable line thickness or missing lines, Inaccurately reproduced colors, Image, Mixed

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Actions 1. Repeat the scan or copy, setting the content type to Image, reducing the background cleaning to 0 or turning the original 90 degrees before scanning it again. 2. If the problem persists, clean and calibrate the scanner as indicated in Maintenance on page 156. If calibration ended without errors, proceed to analyze again pattern number 9 and modules A through E of the diagnostic plot. 3. After analyzing pattern 9, if you see some color differences between left and right sides of the bars for neutral and vivid colors, call your support representative and report "small color differences between adjacent CIS modules". Variable line thickness or missing lines When scanning some CAD plots at Standard resolution, mostly when working with grayscale or black-and-white prints that contain very thin lines, you may see a variation in line thickness, or even some missing lines, in some places: Actions 1. Repeat the scan or copy using a higher resolution (High or Max if scanning, Normal or Best if copying). You should also set background cleaning to 2, or set the content type to Mixed. You might also deactivate the automatic de-skew as explained in Copied or scanned image is very skewed on page 128. In case you were working in black-and-white mode, we recommend using grayscale instead. 2. If the problem persists, turn the original plot 90 degrees before scanning it again. 3. If the problem persists, clean and calibrate the scanner as indicated in Maintenance on page 156. Inaccurately reproduced colors You have to deal with several variables if you want perfect color matching between the original you are scanning and the copy or scanned file you obtain as a result. If you find undesired colors in cases like the example shown below (original on the left, scanned image on the right), you can follow these guidelines. ENWW Scanner troubleshooting 123

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Actions
1.
Repeat the scan or copy, setting the content type to
Image
, reducing the background cleaning to 0 or
turning the original 90 degrees before scanning it again.
2.
If the problem persists, clean and calibrate the scanner as indicated in
Maintenance
on page
156
. If
calibration ended without errors, proceed to analyze again pattern number 9 and modules A through E of
the diagnostic plot.
3.
After analyzing pattern 9, if you see some color
differences
between left and right sides of the bars for
neutral and vivid colors, call your support representative and report “small color
differences
between
adjacent CIS modules”.
Variable line thickness or missing lines
When scanning some CAD plots at Standard resolution, mostly when working with grayscale or black-and-white
prints that contain very thin lines, you may see a variation in line thickness, or even some missing lines, in some
places:
Actions
1.
Repeat the scan or copy using a higher resolution (High or Max if scanning, Normal or Best if copying). You
should also set background cleaning to 2, or set the content type to
Mixed
. You might also deactivate the
automatic de-skew as explained in
Copied or scanned image is very skewed
on page
128
. In case you were
working in black-and-white mode, we recommend using grayscale instead.
2.
If the problem persists, turn the original plot 90 degrees before scanning it again.
3.
If the problem persists, clean and calibrate the scanner as indicated in
Maintenance
on page
156
.
Inaccurately reproduced colors
You have to deal with several variables if you want perfect color matching between the original you are scanning
and the copy or scanned
file
you obtain as a result. If you
find
undesired colors in cases like the example shown
below (original on the left, scanned image on the right), you can follow these guidelines.
ENWW
Scanner troubleshooting
123