- Hewlett-Packard InkJet Printer User's Guide

ENWW Poor print quality and unexpected printouts 73
Clean the inside of the auto-duplex unit
After extensive printing, ink might be deposited on the inside of the auto-duplex unit
causing ink to smear when printing on both sides of the paper. To remove the deposited
ink, use a lint free cloth to clean the inside of the auto-duplex unit.
Enable the printer's output ramp
When printing in Fast Normal (default) or Fast print mode, the printer does not use the
output ramp to hold each printed page before releasing it onto the output tray. If the printer
starts printing the next page while the printed page is still drying on the output tray, the
newly printed page might rub against the printed page on the output tray, causing ink to
smear. Severity of smearing depends on the amount of ink used on each printed page.
To prevent the printed pages from rubbing against each other, print using the Normal or
Best print mode. Alternatively, enable the OUTPUT RAMP EXTENSION on the printer
control panel. See Paper Handling menu.
Ink is not filling the text or graphics completely
Check the ink cartridges
Ink cartridges might have run out of ink. Replace any empty cartridge. Or try removing and
reinstalling the cartridges, make sure they snap firmly into place. See Replacing the ink
cartridges.
Check the media type
Some media types are not suitable for use with the printer. See Selecting print media.