Wipe them down with a lint-free cloth dampened with a small amount of isopropyl alcohol or mild soapy water to remove tacky ink.
Clean the light absorber strip with a lint-free cloth. If you recently replaced your screen, double-check that the cloth isn't covering the sensor's path.
Riso Error A16-525 Hot! Jun 2026
Wipe them down with a lint-free cloth dampened with a small amount of isopropyl alcohol or mild soapy water to remove tacky ink.
Clean the light absorber strip with a lint-free cloth. If you recently replaced your screen, double-check that the cloth isn't covering the sensor's path. riso error a16-525