HP DesignJet XL 3600 User Guide - Page 217

General advice, Horizontal lines across the image (banding), Speed, Quality, Paper advance calibration

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General advice When you have any print-quality problem: ● To achieve the best performance from your printer, use only genuine manufacturer's supplies and accessories, whose reliability and performance have been thoroughly tested to give trouble-free performance and best-quality prints. For details of recommended papers, see Order paper on page 182. ● Make sure that the paper type selected in the front panel is the same as the paper type loaded into the printer (see Paper source on page 44). At the same time, check that the paper type has been calibrated. Also make sure that the paper type selected in your software is the same as the paper type loaded into the printer. CAUTION: If you have the wrong paper type selected, you could experience poor print quality and incorrect colors, and perhaps even damage to the printheads. ● Check that you are using the most appropriate print-quality settings for your purposes (see Printing on page 65). You are likely to see lower print quality if you have moved the print-quality slider to the 'Speed' end of the scale, or set the custom quality level to Fast. ● Check that your environmental conditions (temperature, humidity) are in the recommended range. See Environmental specifications on page 239. ● Check that your ink cartridges and printheads have not passed their expiration dates: see Maintain the ink cartridges on page 173. 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. See Paper source on page 44. 2. Check that you are using appropriate print-quality settings for your purposes (see Printing on page 65). 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 change the printquality settings, you may wish to reprint your job at this point in case the problem has been solved. 3. Print the Image Diagnostics Print and follow the instructions in Image Diagnostics Print on page 219, including printhead cleaning if recommended. 4. If the printheads are working correctly, go to the front panel and tap , then Paper advance calibration, then tap Continue. Choose the paper source. See Recalibrate the paper advance on page 205. If the problem persists despite all the above actions, contact your customer service representative for further support. ENWW General advice 209

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General advice
When you have any print-quality problem:
●
To achieve the best performance from your printer, use only genuine manufacturer's supplies and
accessories, whose reliability and performance have been thoroughly tested to give trouble-free
performance and best-quality prints. For details of recommended papers, see
Order paper
on page
182
.
●
Make sure that the paper type selected in the front panel is the same as the paper type loaded into the
printer (see
Paper source
on page
44
). At the same time, check that the paper type has been calibrated.
Also make sure that the paper type selected in your software is the same as the paper type loaded into the
printer.
CAUTION:
If you have the wrong paper type selected, you could experience poor print quality and
incorrect colors, and perhaps even damage to the printheads.
●
Check that you are using the most appropriate print-quality settings for your purposes (see
Printing
on page
65
). You are likely to see lower print quality if you have moved the print-quality slider to the 'Speed'
end of the scale, or set the custom quality level to
Fast
.
●
Check that your environmental conditions (temperature, humidity) are in the recommended range. See
Environmental
specifications
on page
239
.
●
Check that your ink cartridges and printheads have not passed their expiration dates: see
Maintain the ink
cartridges
on page
173
.
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. See
Paper source
on page
44
.
2.
Check that you are using appropriate print-quality settings for your purposes (see
Printing
on page
65
). 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 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 and follow the instructions in
Image Diagnostics Print
on page
219
,
including printhead cleaning if recommended.
4.
If the printheads are working correctly, go to the front panel and tap
, then
Paper advance calibration
,
then tap
Continue
. Choose the paper source. See
Recalibrate the paper advance
on page
205
.
If the problem persists despite all the above actions, contact your customer service representative for further
support.
ENWW
General advice
209