HP LaserJet 3030 All in One Printer - Unwanted lines

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Unwanted lines

Make sure that the priority input tray is in place.

Try cleaning the flatbed scanner. See

Cleaning the outside of the device

for instructions.

The photosensitive drum inside the print cartridge may have been scratched. Install a new
HP print cartridge. See the start guide for information about installing a print cartridge.