HP DesignJet T3500 Users Guide - Page 222

your scan., If the problem persists

Page 222 highlights

Actions 1. Check the scanner lid sensor by opening the scanner lid and checking that the five CIS modules show blinking red, green and blue lights alternately. If not, reboot the machine and call HP support reporting the error appearing at the front panel. If no error is given in the front panel then report "scanner lid sensor failure". 2. If all the modules lit up correctly in the previous step, close the scanner lid by pushing it down until you hear a click. Then calibrate the scanner as indicated in Scanner maintenance on page 154 and repeat your scan. 3. If the problem persists, 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 0, or set the content type to Mixed. 212 Chapter 23 Troubleshooting scan-quality issues ENWW

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Actions
1.
Check the scanner lid sensor by opening the scanner lid and checking that the five CIS modules show
blinking red, green and blue lights alternately. If not, reboot the machine and call HP support reporting
the error appearing at the front panel. If no error is given in the front panel then report “scanner lid
sensor failure”.
2.
If all the modules lit up correctly in the previous step, close the scanner lid by pushing it down until you
hear a click. Then calibrate the scanner as indicated in
Scanner maintenance
on page
154
and repeat
your scan.
3.
If the problem persists, 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 0, or set the content type to
Mixed
.
212
Chapter 23
Troubleshooting scan-quality issues
ENWW