A firmware reset (often referred to as a fix or patch) modifies the printer's internal software so that it no longer requires or reads the electronic chip on the toner cartridge. This allows you to refill your existing cartridges or use cheap, chipless third-party replacements freely.

In rare cases, the button sequence may fail. Do not panic. Try these free fixes before assuming hardware failure.

The printer will print two crucial pages: the and the Supplies Information Report . Information to Highlight: Machine Serial Number: A 15-digit alphanumeric code.

The M2020W has and no screen to type passwords. You must use the WPS method after a reset: