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50.9 fuser error on the HP Color LaserJet 3500 3550 3700


 

Fuser error codes for the Color LaserJet 3500, 3550, 3700 series printers.

A 50.9 fuser error is one of the most common errors on these models. If you get a 50.9 error (or any 50.x error)  you can try turning the power off, reseating the fuser, and powering the printer back on for more printing; sometimes this will temporarily reset the fuser and let it print a few more pages, but in almost all cases the error will return shortly and you will need to replace the fuser.

Fusers are a consumable part, it is the main component in a printer maintenance kit, and it is expected over the life of the printer you will replace the fuser several times. HP estimates average fuser life for this model to last around 60,000 pages; but a fuser can fail much earlier depending on printing conditions, heavy paper jams, and the quality of the fuser installed.

Fortunately, the fuser on this model is VERY easy to replace.  Check out our instructions below, and purchasing options for replacing the fuser (the fuser is sold as part of the printer's maintenance kit).

Click here to order a maintenance kit with replacement fuser
Click here to see fuser installation instructions

50.1 Low fuser temperature
50.2 Fuser warm-up error *
50.3 High fuser temperature
50.4 Faulty fuser
50.7 Fuser pressure release mechanism failure
50.8 Low fuser temperature (sub-thermistor)
50.9 High fuser temperature (sub-thermistor), or pressure release mechanism problem

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