To reset a Sharp AR-6020 , you must enter Simulation Mode using a specific button sequence. This allows you to clear error codes (like H2, H4, or H5) or reset maintenance counters. 🛠️ How to Enter Simulation Mode Press the or [Interrupt] key. Press the [*] (Asterisk) key. Press the [C] (Clear) key. Press the [*] key again.
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.
Once a technician has replaced consumables like the drum or developer, the maintenance indicators (like the "sun" icon ☼) must be reset: Enter Simulation Mode . Type 20 and press START . Type 01 and press START to execute the reset. Developer Counter Reset: Enter Simulation Mode . Type 24 and press START . Type 06 and press START to reset the developer counter. 4. Resetting the Admin Password
To begin any reset process on the Sharp AR-6020, you must first enter the Simulation Mode by pressing the following keys in rapid succession: (Hash) INTERRUPT CLEAR (C) INTERRUPT
The most common "reset" needed for the AR-6020 is clearing a trouble code, like the dreaded . Once in Service Mode: Use the keypad to enter the magic number:
A full NVRAM reset clears everything—including copy counts and calibrated settings. , as it can degrade copy quality.
The machine begins to initialize, clearing the internal error memory and restarting itself. When it powers back up, the red light is gone, and it's ready to copy once more. Resetting the Counters