Riso Error A16-525 May 2026

The Riso error A16-525 typically means the machine is "waiting for the master to be removed from the print drum". It often occurs when the master sensor incorrectly thinks a master is still attached, even if the drum looks empty. Direct Troubleshooting Steps

: Pull out the print drum, manually remove any master sheet present, and re-insert the drum. Trigger Condition : The print-drum set sensor transitions from while the machine believes a master is still attached. 2. Common Causes for "False" Errors riso error a16-525

Review: "If you are getting the A16-525 code, do yourself a favor and download this guide. The official documentation was vague, but this manual walked me through the drum motor diagnostics step-by-step. I was able to clear the jam and reset the machine in under 20 minutes. A lifesaver for anyone managing their own Riso maintenance." The Riso error A16-525 typically means the machine

• Note: Entering service mode varies by model, but often involves holding the 'Menu' and 'Cancel' buttons while powering on, or similar combinations.