To reset the Sharp AR-6020 , you typically need to Simulation Mode

To clear H2-H4 (Fuser errors):

Method 5: Total Factory Reset (Clear All Memory)

If you are selling the machine or it has corrupted settings, perform a full factory reset. This clears copy counts, tray settings, language preferences, and network defaults.

Select Simulation 14: Once the display allows input, enter the number 14 using the keypad [5.21].

Sharp AR-6020 Factory Reset via Service Mode:

Resetting Specific Maintenance Codes

Use the numeric keypad to enter the following simulation codes. Press the Start button after each code.

In the rhythm of a busy office, the multifunction printer is often the heartbeat—the silent workhorse that translates digital intent into physical reality. But when the Sharp AR-6020 stalls, when error codes flash like distress signals or paper jams become a chronic illness, the machine is no longer a tool; it becomes an obstacle.