If the standard simulation codes do not work, or if you are facing a persistent "Call for Service" code (like an H4 or H5 error, which denote fuser or laser unit issues), the standard user reset may be locked. In this scenario, you access the deeper service mode.

Before diving into complex button sequences, try the most basic reset. This solves 90% of "freezing" or "unresponsive" issues.

Are you trying to clear a shown on the display? How to reset Maintenance Counter Sharp AR -6020v

Below, we break down every reset procedure for the AR-6020, from simple button pushes to hidden service codes.