If an error code like H4 (fuser trouble) returns immediately after a reset, do not continue resetting it. This indicates a physical component failure—such as a blown fuser lamp or faulty thermistor—that requires professional repair to avoid a fire hazard [5.7, 5.12]. AI responses may include mistakes. Learn more
Sharp does not always place the full factory reset option in the standard user menu to prevent accidental data loss. However, you can try the following standard method: how to reset sharp ar-6020
Do not run Simulation 67 unless you are absolutely sure you want to wipe everything. If an error code like H4 (fuser trouble)
If the problem persists—if the "Call for Service" code remains or the network refuses to connect—you must proceed to the deeper, more permanent solution. more permanent solution.