If you are getting a "false" error, it’s usually because that black strip has become shiny from ink, is scrunched up, or is a thinner aftermarket version that isn't absorbing enough light. How to fix it
Follow these steps in order to resolve the A16-525 error, starting with the easiest solutions.
: Open the front cover, turn the power switch OFF , wait 10 seconds, and turn it back ON . Sometimes a simple power cycle clears the sensor logic. Deeper Troubleshooting riso error a16-525
: Ensure the master disposal box is empty and correctly seated. Clean the Master Sensor
If there is a master on the drum, pull out the print cylinder and peel the old master off by hand. If you are getting a "false" error, it’s
: Sensors play a crucial role in monitoring the machine's operation. A malfunctioning sensor can incorrectly report errors, including the A16-525, even if there is no actual problem with the print drum or paper.
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) Sometimes a simple power cycle clears the sensor logic
If the velvet strip is too worn, a small piece of matte black gaffer's tape can be used as a replacement to absorb the sensor's light.