Anyone else fighting with a ghost Riso A16-525 error? 👻 Body: My [Machine Model] is convinced there's a master on the drum, but it’s clean as a whistle. I’ve tried the classic off-and-on-again reset, but it keeps coming back. Has anyone had success cleaning the light absorber strip or adjusting the drum angle in test mode? Any tips before I start unscrewing things would be a lifesaver! Hashtags: #Risograph #RisoRepair #RisographPrinting #A16525 Option 2: The "Tech Tip" (For Instagram/TikTok)
Turn the machine off, wait a few seconds, then turn it back on. Holding the button while powering on can sometimes clear persistent codes. 5 Test Mode Adj. riso error a16-525
or matte electrical tape over the fuzzy strip to ensure zero reflection. Provides a more absorbent surface than a worn strip. 5. Test Mode Reset Enter Test Mode (often by holding Reset + Stop during power-up) and use code or similar simulations to clear persistent error memory. Forces the machine to re-check sensor states. 4. Advanced Adjustments For technicians or advanced users, the machine’s Master Loading Drum Angle Anyone else fighting with a ghost Riso A16-525 error
Many users find that coloring the black velvet strip with a black permanent marker helps it absorb light better, clearing the error. Has anyone had success cleaning the light absorber
Are you using a on this drum, or did the error start after a specific incident like a master jam?
Less common, but more severe. If the PF (Paper Feed) motor is failing to maintain constant speed, or if the wiring harness to the register sensor has a micro-fracture, intermittent timing errors will occur.
: Use a soft, dry cloth to gently clean the sensors located in the middle of the drum area. system reset