Riso: Error A16-525 ^new^

on the drum, the machine's optical sensor is likely misreading reflections. This often happens with aftermarket or generic screens that use white mesh instead of metal. The Problem : The Riso shines a light against a small black velvet strip

: Ensure the environment around the Riso duplicator is clean and free from dust. Dust can accumulate inside the machine and cause operational issues. riso error a16-525

Essentially, the machine thinks there is still a used master wrapped around the drum and won't let you create a new one until it’s gone. But what do you do when the drum is clearly empty? Here is how to diagnose and fix it. 1. The "Quick Reset" (Try This First) on the drum, the machine's optical sensor is

To understand A16-525, you need a basic understanding of the RISO ComColor’s paper path. These machines run at speeds up to 150 pages per minute. To achieve that speed, timing is measured in milliseconds. Dust can accumulate inside the machine and cause