HP HP Color LaserJet Pro M255dw Wireless Color Laser Printer with Auto Duplex Printing and 22 ppm 49.XX.XX Error Fix: Critical Firmware Error

Error code 49.XX.XX on the HP HP Color LaserJet Pro M255dw Wireless Color Laser Printer with Auto Duplex Printing and 22 ppm means: Critical Firmware Error. A critical firmware error causing the printer to freeze — power cycle (off 30 seconds, then on); update firmware via HP Smart app or hp.com; complex print jobs with large images or unusual fonts are common triggers; if persistent, disconnect USB, remove all toner cartridges except black to isolate, and attempt a configuration page

The most successful fix is "Replace the Formatter Board" (hard difficulty, ~60 minutes). Estimated DIY cost: $5-$15. 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 the Formatter Board") is rated hard difficulty and takes about 60 minutes. Tools needed: T15 Torx screwdriver, Anti-static wrist strap.

DIY cost: $5-$15. Professional repair typically costs $200-$300. Many homeowners save money by trying the top-ranked community fix first.

The HP HP Color LaserJet Pro M255dw Wireless Color Laser Printer with Auto Duplex Printing and 22 ppm has 8 other known error codes, including: 10.00.0X (Supply Memory Error), 13.01 (Paper Jam in Tray 1 (Priority Feed Slot)), 13.02 (Paper Jam in Tray 2 (Main 250-Sheet Tray)), 13.05 (Paper Jam in Fuser Area), 13.06 (Paper Jam in Output Bin Area), and 3 more.

Error code 49.XX.XX also appears on 2 other HP models: LaserJet M209dw Mono Wireless Printer with 30 ppm Print Speed and 1200 x 1200 dpi Resolution, LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing. The fix may vary by model, so check each model's specific page for tailored repair steps.