If you operate a Riso Risograph printer (commonly models like the RZ, RP, or RN series), seeing an error code flash on the display can immediately halt your production workflow. One specific error that confuses many users is .
: Turn the power off and back on while holding the Reset key to clear the temporary error state. riso error a16-525
For advanced users, adjusting the drum angle in Test Mode (parameters like SP 941 or 959) can sometimes realign the sensor's reading position. If you operate a Riso Risograph printer (commonly
: Wipe the small black velvet strip (usually near the clamp) with a dry cloth to remove paper dust. or RN series)