51.00.10 Error on HP LaserJet M525
On the HP LaserJet M525 series printers, this 51.00.10 error code may be temporary. Try turning the printer off and back on to see if the error clears. If the error comes back repeatedly, you have a failing laser scanner assembly which requires replacement.
Fortunately, replacing the laser scanner is not a difficult procedure on this printer model. You will need to remove the top cover and side panels, and from that point you can unscrew & unplug the laser scanner and install a new one. Average repair time would be 30 minutes. If you decide to purchase the laser scanner assembly we can provide a set of installation instructions for this repair.
If you have any questions, give us a call @ 866-352-7108.