HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing 13.03 Error Fix: Paper Jam in Tray 3 (Optional 550-Sheet Tray)

Error code 13.03 on the HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing means: Paper Jam in Tray 3 (Optional 550-Sheet Tray). Paper jammed in the optional additional 550-sheet paper tray if installed — remove the tray, clear the jam, verify paper is loaded correctly and within tray capacity; the optional Tray 3 mounts under the printer and feeds upward; this code only appears if the optional tray accessory is installed

The most successful fix is "Replace Paper Feed Rollers in Optional Tray 3" (medium difficulty, ~30 minutes). Estimated DIY cost: $20-$30. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Paper Feed Rollers in Optional Tray 3") is rated medium difficulty and takes about 30 minutes. Tools needed: Phillips screwdriver, Plastic pry tool.

DIY cost: $20-$30. Professional repair typically costs $130-$170. Many homeowners save money by trying the top-ranked community fix first.

The HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing has 8 other known error codes, including: 10.10.00 (Supply Memory Error), 13.01 (Paper Jam in Tray 1 (Multipurpose 100-Sheet Tray)), 13.02 (Paper Jam in Tray 2 (Main 250-Sheet Cassette)), 13.05 (Paper Jam in Fuser Area), 13.06 (Paper Jam in Output Bin), and 3 more.