HP Z3100 HP Designjet Z3100ps GP Photo Printer Series - Quick Reference Guide - Page 49

Horizontal lines across the image banding

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Print-quality issues Horizontal lines across the image (banding) If your printed image suffers from added horizontal lines as shown (the color may vary): 1. Check that the paper type you have loaded corresponds to the paper type selected in the front panel and in your software. To check on the front panel, use the View loaded paper key. 2. Check that you are using appropriate print-quality settings for your purposes (see Printing on page 25). In some cases, you can overcome a print-quality problem merely by selecting a higher print-quality level. For instance, if you have set the Print Quality slider to Speed, try setting it to Quality; if you have already set it to Quality, try selecting custom options and then More Passes. If you change the print-quality settings, you may wish to reprint your job at this point in case the problem has been solved. 3. Print the Image Diagnostics Print. See Using your printer on DVD. 4. If the printheads are working correctly, go to the front panel and press the View loaded paper key to see the paper advance calibration status. If the status is RECOMMENDED, you should perform paper advance calibration: see Using your printer on DVD. If the problem persists despite all the above actions, contact your customer service representative for further support. 44 Chapter 9 Troubleshooting print-quality issues ENWW

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Horizontal lines across the image (banding)
If your printed image suffers from added horizontal lines as shown (the color may
vary):
1
.
Check that the paper type you have loaded corresponds to the paper type
selected in the front panel and in your software. To check on the front panel,
use the
View loaded paper
key.
2
.
Check that you are using appropriate print-quality settings for your purposes
(see
Printing
on page
25
). In some cases, you can overcome a print-quality
problem merely by selecting a higher print-quality level. For instance, if you have
set the Print Quality slider to
Speed
, try setting it to
Quality
; if you have
already set it to
Quality
, try selecting custom options and then
More
Passes
. If you change the print-quality settings, you may wish to reprint your
job at this point in case the problem has been solved.
3
.
Print the Image Diagnostics Print. See
Using your printer
on DVD.
4
.
If the printheads are working correctly, go to the front panel and press the
View
loaded paper
key to see the paper advance calibration status. If the status is
RECOMMENDED, you should perform paper advance calibration: see
Using
your printer
on DVD.
If the problem persists despite all the above actions, contact your customer service
representative for further support.
44
Chapter
9
Troubleshooting print-quality issues
ENWW
Print-quality issues