HP Designjet 4000 Printer Series - Quick Reference Guide

The problem is lines are printed double or in wrong
colors
This problem can have various visible symptoms:
● Colored lines are printed double, in different colors.
● The borders of colored blocks are wrongly colored.
To correct this kind of problem:
1. Check that you are using appropriate print quality settings. See “How do I choose
print quality settings?” on page 68.
2. Align the printheads. See “How do I align the printheads?” on page 57.
Chapter 11
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The problem is print quality