HP PageWide XL 4700 User Guide 1 - Page 156

Vertical black band 20 cm wide, Scanner damages some originals

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3. If the problem persists, restart the scanner by turning it off and on again. If you find an error message on the front panel during this operation, call your service representative and report the error message. If no error message appears, try repeating your scan. 4. If the problem persists, analyze patterns 4, 13 and 14 of the diagnostic plot. The plot should look like this: If you see an image resembling the incorrect examples below, call your service representative and report an "incorrect paper advance" problem. Vertical black band 20 cm wide Your scanner contains various different CIS modules. If one of the modules fails, and the scanner hardware check does not detect the failure, you may see a black vertical band 20 cm (7.9 in) wide, corresponding to the width of a single CIS module, in your scanned image or copy. Here is an example: original on the left, scan on the right. The black arrow indicates the scanning direction. Actions 1. Open the lid of the scanner and check that the five CIS modules show blinking red, green and blue lights alternately. If a module is failing, call your service representative and report a "CIS module illumination" error. 2. If all the modules lit up correctly in the previous step, restart the scanner by turning it off and on again. If you find an error message on the front panel during this operation, call your service representative and report the error message. If no error message appears, try repeating your scan. 3. If the problem persists, try to calibrate the scanner as indicated in Calibrate the scanner (MFP only) on page 185. If this operation fails, call your service representative with the error code given on the front panel. If no error code appears, try to repeat your scan. 4. If the problem persists, call your service representative and report a "vertical black band 20 cm wide". 150 Chapter 8 Scanning and copying (MFP only) ENWW

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3.
If the problem persists, restart the scanner by turning it off and on again. If you find an error message on
the front panel during this operation, call your service representative and report the error message. If no
error message appears, try repeating your scan.
4.
If the problem persists, analyze patterns 4, 13 and 14 of the diagnostic plot. The plot should look like this:
If you see an image resembling the incorrect examples below, call your service representative and report an
“incorrect paper advance” problem.
Vertical black band 20 cm wide
Your scanner contains various different CIS modules. If one of the modules fails, and the scanner hardware check
does not detect the failure, you may see a black vertical band 20 cm (7.9 in) wide, corresponding to the width of
a single CIS module, in your scanned image or copy.
Here is an example: original on the left, scan on the right. The black arrow indicates the scanning direction.
Actions
1.
Open the lid of the scanner and check that the five CIS modules show blinking red, green and blue lights
alternately. If a module is failing, call your service representative and report a “CIS module illumination”
error.
2.
If all the modules lit up correctly in the previous step, restart the scanner by turning it off and on again. If
you find an error message on the front panel during this operation, call your service representative and
report the error message. If no error message appears, try repeating your scan.
3.
If the problem persists, try to calibrate the scanner as indicated in
Calibrate the scanner (MFP only)
on page
185
. If this operation fails, call your service representative with the error code given on the front
panel. If no error code appears, try to repeat your scan.
4.
If the problem persists, call your service representative and report a “vertical black band 20 cm wide”.
150
Chapter 8
Scanning and copying (MFP only)
ENWW