HP Color LaserJet Enterprise CP4020 HP Designjet 4020 and 4520 Printer Series - Page 165
Lines are discontinuous, Lines are blurred (ink bleeds from lines
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● The borders of colored blocks are wrongly colored. To correct this kind of problem: 1. Align the printheads. See Align the printheads on page 101. 2. Check that you are using appropriate print quality settings. See Choose print quality settings on page 57. Lines are discontinuous If your lines are broken in the following way: 1. Check that you are using appropriate print quality settings. See Choose print quality settings on page 57. 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. SeeChoose print quality settings on page 57. 4. Align the printheads. See Align the printheads on page 101. 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 Environmental specifications on page 210. 2. Try changing to a heavier paper type, such as HP Heavyweight Coated Paper or HP Productivity Photo Gloss. SeeChoose print quality settings on page 57. 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. ENWW Lines are discontinuous 155 Print quality problems
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