HP Designjet 4000 HP Designjet 4000 Printer Series - Quick Reference Guide - Page 137

The problem is lines are discontinuous, The problem is lines are blurred ink bleeds from lines,

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The problem is print quality The problem is lines are discontinuous If your lines are broken in the following way: 1. Check that you are using appropriate print quality settings. See "How do I choose print quality settings?" on page 68. 2. You are more likely to get good vertical lines with roll paper than with sheet paper. If you must use sheet paper, set the print quality to Best. 3. Consider changing to a heavier paper type, such as HP Heavyweight Coated Paper or HP Productivity Photo Gloss. See"How do I choose print quality settings?" on page 68. 4. Align the printheads. See "How do I align the printheads?" on page 57. The problem is lines are blurred (ink bleeds from lines) If you see that the ink is soaking into the paper, making the lines blurred and fuzzy, this could be because of humidity in the air. Try the following: 1. Check that your environmental conditions (temperature, humidity) are suitable for high-quality printing. See "Tell me about environmental specifications" in the User's Guide. 2. Try changing to a heavier paper type, such as HP Heavyweight Coated Paper or HP Productivity Photo Gloss. See"How do I choose print quality settings?" on page 68. Note Glossy photo paper types are especially difficult to dry. Take extra care with them. 3. Check that the paper type selected in the front panel is the same as the paper type you are using. 4. Perhaps you have adjusted the drying time at the front panel to speed up the printer output. Select the icon, then Drying options > Drying time, and make sure it is set to Optimal. 5. Allow the prints time to dry separately; do not cover or stack them. The problem is lines are slightly warped The paper itself may be warped. This can happen if it has been used or stored in an extreme environment. See "Tell me about environmental specifications" in the User's Guide. 135

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The problem is lines are discontinuous
If your lines are broken in the following way:
1.
Check that you are using appropriate print quality settings. See “How do I choose
print quality settings?” on page 68.
2.
You are more likely to get good vertical lines with roll paper than with sheet
paper. If you must use sheet paper, set the print quality to
Best
.
3.
Consider changing to a heavier paper type, such as HP Heavyweight Coated
Paper or HP Productivity Photo Gloss. See“How do I choose print quality
settings?” on page 68.
4.
Align the printheads. See “How do I align the printheads?” on page 57.
The problem is lines are blurred (ink bleeds from lines)
If you see that the ink is soaking into the paper, making the lines blurred and fuzzy,
this could be because of humidity in the air. Try the following:
1.
Check that your environmental conditions (temperature, humidity) are suitable for
high-quality printing. See “Tell me about environmental specifications” in the
User's Guide
.
2.
Try changing to a heavier paper type, such as HP Heavyweight Coated Paper or
HP Productivity Photo Gloss. See“How do I choose print quality
settings?” on page 68.
Note
Glossy photo paper types are especially difficult to dry. Take extra
care with them.
3.
Check that the paper type selected in the front panel is the same as the paper
type you are using.
4.
Perhaps you have adjusted the drying time at the front panel to speed up the
printer output. Select the
icon, then
Drying options
>
Drying time
, and make
sure it is set to
Optimal
.
5.
Allow the prints time to dry separately; do not cover or stack them.
The problem is lines are slightly warped
The paper itself may be warped. This can happen if it has been used or stored in an
extreme environment. See “Tell me about environmental specifications” in the
User's
Guide
.
135
The problem is print quality