Riso Error A16-525 Jun 2026

After mechanical fix:

If the optical fix fails, the issue may be mechanical or require a software adjustment: Check the Clamp Area

If you see a crumpled master caught in the rollers or chute, gently pull it out. riso error a16-525

: If the drum isn't stopping at the exact right angle, the sensor may be looking at the metal body instead of the velvet strip. In Test Mode, Simulation 941 (Position-A adjustment) or Simulation 942 can be used to tweak the drum angle.

- If the error keeps returning even after a clear drum and clean sensors, a "hard reset" can sometimes clear residual memory faults. - Action: Turn off the machine and unplug it from the wall. Wait for a full 60 seconds. This allows all capacitors to discharge and the system's memory to clear. Plug the machine back in and turn it on. This simple step can clear a surprising number of persistent errors. After mechanical fix: If the optical fix fails,

: 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

The A16-525 code indicates a breakdown in this sequence. The root causes typically fall into two categories: Physical Master Jams - If the error keeps returning even after

In rare cases, the motor driving the disposal rollers may fail. When you attempt to make a master, listen closely to the machine. If you do not hear the distinct whirring of the disposal mechanism right before the "A16-525" code appears, the motor or its drive belt may need replacement by a certified technician. Proactive Tips to Prevent Future A16-525 Errors

Wipe the black velvet/light-absorbing strip on the drum to remove paper dust or ink buildup. The "Marker/Tape Trick":

Small scraps of master material stuck in the clamp or sensor area. Troubleshooting & Fixes Clean the Absorber Strip: