Riso Error A16-525 -

Hold down the (yellow button) while turning the power switch back ON . Follow any on-screen prompts to clear the cycle. Step 3: Clean the Optical Detection Sensor Ink buildup is a primary culprit for false sensor readings.

According to PrintCopy.info , the A16 code indicates a "Waiting for the master to be removed from the drum" state.

Allow the components to dry completely before reinserting the drum. Step 4: Reset the Machine

Enter the diagnostic code for your specific Riso model (typically code or 120 on modern series) using the keypad to test the disposal motor function. Press Start to run the test, then press Reset to exit. Hardware Components to Inspect riso error a16-525

Follow these steps in order to resolve the A16-525 error, starting with the easiest solutions.

Push the drum back into place until it clicks. Press the yellow Reset button on the control panel to clear the notification. 3. Step 2: Fixing a "False" Error (No Master Found)

Riso Error A16-525 indicates a "waiting master removal" status, commonly caused by a physical master jam or a dirty, reflective, or worn-out black velvet light absorber strip on the print drum, which triggers a false sensor reading. Troubleshooting typically involves cleaning the light absorber strip with a dry cloth, removing any remaining master material, or using black tape/ink to ensure the sensor does not reflect light. For more details, visit Reddit r/risograph Hold down the (yellow button) while turning the

Locate the running parallel to the master clamp.

This comprehensive guide will explain exactly what this error means, why it happens, how to troubleshoot it, and how to prevent it from delaying your next print job. What is Riso Error A16-525?

This often clears temporary logic errors without needing any invasive actions. According to PrintCopy

A used master may have wrapped around the disposal rollers, stuck to the compression plate, or failed to release from the print drum properly.

: Some users find success by placing a small piece of black matte paper tape (like gaffer tape or electrical tape) over the strip to eliminate reflections. 4. Technical & Service Mode Adjustments