HP Color LaserJet Pro M255-M256 User Guide - Page 118

Solve problems, Table 6-19

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Table 6-19 Black page Description Black page: The entire printed page is black. Sample Possible solutions 1. Visually inspect the cartridge to check for damage. 2. Make sure that the cartridge is installed correctly. 3. Replace the cartridge 4. If the problem persists, go to support.hp.com. Table 6-20 Banding defects Description Sample Repetitive wide-pitch banding and Impulse bands: Dark or light lines which repeat down the length of the page. They might be sharp or soft in nature. The defect displays only in areas of fill, not in text or sections with no printed content. Possible solutions 1. Reprint the document. 2. Try printing from another tray. 3. Replace the cartridge. 4. Use a different paper type. 5. Enterprise models only: From the Home screen on the printer control panel, go to the Adjust Paper Types menu, and then choose a print mode that is designed for a slightly heavier media than what you are using. This slows the print speed and might improve the print quality. 6. If the problem persists, go to support.hp.com. 108 Chapter 6 Solve problems ENWW

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Table 6-19
Black page
Description
Sample
Possible solutions
Black page:
The entire printed page is black.
1.
Visually inspect the cartridge to check
for damage.
2.
Make sure that the cartridge is
installed correctly.
3.
Replace the cartridge
4.
If the problem persists, go to
support.hp.com
.
Table 6-20
Banding defects
Description
Sample
Possible solutions
Repetitive wide-pitch banding and Impulse
bands:
Dark or light lines which repeat down the
length of the page. They might be sharp or
soft in nature. The defect displays only in
areas of fill, not in text or sections with no
printed content.
1.
Reprint the document.
2.
Try printing from another tray.
3.
Replace the cartridge.
4.
Use a different paper type.
5.
Enterprise models only:
From the
Home screen on the printer control
panel, go to the
Adjust Paper Types
menu, and then choose a print mode
that is designed for a slightly heavier
media than what you are using. This
slows the print speed and might
improve the print quality.
6.
If the problem persists, go to
support.hp.com
.
108
Chapter 6
Solve problems
ENWW