How to reset kx-fl512 - Panasonic KX-FL511 Plain Paper Laser Fax

SOURCE: KX-FL512

call service 3

SOURCE: the result of paper not clear using KX-FL512

The message might be refering to the transmit area not the recieve area. Open your document path and make certain that there's nothing in the feed path.
It's also possible that a piece of paper is actually stuck in the paper path near the fuser area. This may or may not be accessable in your particular unit

SOURCE: Panasonic KX-FL512 fax drum life error

You need to follow the instructions that came with the drum as you need to reset the internal counter.