HP LaserJet 3300 Multifunction Printer series - Vertical repetitive defects

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Vertical repetitive defects

The print cartridge might be damaged. If a repetitive mark occurs at the same spot on the
page, install a new HP print cartridge. See

Installing a print cartridge

for instructions.

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Improving print quality 163

The internal parts might have toner on them. See

Cleaning and maintenance

for more

information. If the defects occur on the back of the page, the problem will probably correct
itself after a few more printed pages.

Select Optimize for: in the Paper tab of your printer driver, and choose the media that you are
using. See

Optimizing print quality for media types

for instructions. This feature is also

available in HP LaserJet Device Configuration. See the product software Help for details.