Sc569-00 Ricoh [cracked]

: The fuser unit pressure release motor failed to move the pressure roller to its "home" (released) position within the required time.

Many Ricoh fusers use a thin metal sleeve (the hot roller). Over time, the edges of this sleeve can warp, curl, or develop burrs. This physical deformation presses irregularly against the thermistor, causing erratic temperature readings at the roller’s edge. sc569-00 ricoh