Riso Error A16-525 ((new)) Jun 2026

The RISO Error A16-525 is a specific error code that occurs in RISO inkjet printers, which are widely used for printing and duplicating documents, especially in educational and office settings. This error code indicates a problem with the printer's ink supply system, specifically with the detection of the ink level or the ink supply mechanism. Understanding and addressing this error requires a systematic approach to troubleshoot and potentially repair or replace the faulty components.

, and turn it back on while continuing to hold the button for a few seconds. 2. Solving the "False" Error (The Sharpie/Tape Trick) If the error persists even when there is

“I sent the paper. I waited for the sensor to trigger. The sensor did not trigger within the allowed window. Either the paper didn’t arrive, the sensor is lying, or the roller is slipping.” riso error a16-525

: If the master tore during a jam, ensure no loose scraps of paper are left glued down by ink, especially near the clamp or the edges of the screen. 3. Resolving a "False" A16-525 Error (Clean Drum)

The sensor lens inside the body of the RISO printer may be covered in paper dust or atomized ink mist, blinding its capability to read the drum properly. The RISO Error A16-525 is a specific error

As noted by some users, a damaged screen (aftermarket or OEM) can cause this error Reddit/r/risograph. If the mesh is torn or lifting, it can snag the master. You may need to have the screen replaced or use a different drum to isolate the issue. 4. Adjust the Drum Angle (Advanced/Test Mode)

- The master clamp is the metal bar that holds the master in place. If it's bent, it won't release the master. - Action: With the drum out, visually inspect the master clamp. Is it visibly bent or damaged? Try to move it manually; it should spring back and forth with some tension. If it feels loose or is bent, the drum will likely need professional repair. , and turn it back on while continuing

The soft hum of a RISO digital duplicator is the sound of productivity. But that rhythm can be abruptly shattered by a flashing error message on the control panel. For many users, few sights are as frustrating as the dreaded “” code. It's a common yet vexing issue that can bring high-volume printing to a standstill. However, there's no need to panic. This guide will demystify the error, explain what it means, and provide a clear, step-by-step troubleshooting process to get your RISO back in action.

If the master fails to peel, or if the sensor fails to see a clean drum, the machine halts and displays . Step 1: Clearing a Physical Master Jam