There is a limited soft reset for minor glitches (frozen screen, non-responsive buttons). This does not clear error codes but can revive a locked machine.
Use this cheat sheet to know which reset to perform and when: how to reset sharp ar-6020
Run Simulation 25-02 (Developer reset). Listen to the motor run; it will stop on its own. There is a limited soft reset for minor
Let’s assume you just vacuumed the old developer, installed fresh developer powder, and the machine still shows a “CK” or “CH” error. Here is the exact workflow: installed fresh developer powder
