!!
critical HP
Error Code 52.X Printer Error
Scanner error - laser scanner assembly malfunction.
? What Causes This
Laser scanner motor failure, optical misalignment, or electronics failure.
✓ How to Fix It
- Turn off the printer then turn back on.
- If error persists, do not use printer.
- Contact service for laser scanner repair or replacement.
Source: page 142 of the official manual
From the manual
This error code appears in:
HP Laserjet 1010 Printer