HP Color LaserJet Enterprise M751n Laser Printer - Manual (Page 178)

Table 6-2 Banding defects
Sample Description Possible solutions
Dark or light lines which repeat down the
length of the page, and are wide-pitch
and/or impulse bands. 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 issue persists, go to
support.hp.com .
Table 6-3 Black page
Sample Description Possible solutions
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 issue persists, go to
support.hp.com .
168 Chapter 6 Solve problems ENWW