: Generic replacement screens often use a lighter-colored or thinner mesh that allows light to reflect through to the sensor, even without a master. Mechanical Misalignment
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 riso error a16-525
If the error persists with an empty drum, clean the optical sensors: : Generic replacement screens often use a lighter-colored
Several factors can lead to the occurrence of the RISO Error A16-525: For more details, visit Reddit r/risograph If the