HP LaserJet M443 MFP

Back of printouts are dirty

Suggested solutions

• Check for leaking toner. Clean the inside of the printer.

Solid color or black pages

Suggested solutions

• The toner cartridge may not be installed properly. Remove the cartridge and reinsert it
• The toner cartridge may be defective. Remove the toner cartridge and install a new one.
• The printer may require repairing. Contact a service representative.

Loose toner

Suggested solutions

• Clean the inside of the printer.
• Check the paper type, thickness, and quality.
• Remove the toner cartridge and then, install a new one.

If the problem persists, the printer may require repair. Contact a service representative.

Character voids

Suggested solutions

Character voids are white areas within parts of characters that should be solid black:

• You may be printing on the wrong surface of the paper. Remove the paper and turn it around
• The paper may not meet paper specifications.