The is a common "service call" code on Risograph digital duplicators, typically indicating that the machine is awaiting master removal from the print cylinder . While it primarily signals that a used master is still attached to the drum when the machine expects it to be gone, it often appears as a "false" error even when no master is present. Common Causes of Error A16-525
To resolve the Riso error A16-525, follow these troubleshooting steps: riso error a16-525
If physical cleaning doesn't work, you may need to clear the machine's state: The is a common "service call" code on