Riso Error A16-525
If you are using a refilled cartridge:
Turn the machine off, remove the master disposal box, wait 10 seconds, and turn it back on. 2. Check the "Light Absorber Strip" riso error a16-525
: Wipe down the light absorber strip (the black fuzzy or plastic strip on the drum). Dust or ink buildup here can trick the sensor. If you are using a refilled cartridge: Turn