Enter (Stop → 1 → 0 → 7 → Stop → Start) or use the Finisher Input Check in SP5803.
In sleeveless fuser designs, a seized pressure roller bearing can cause uneven mechanical load, indirectly affecting thermal regulation and triggering SC569. sc569-00 ricoh
Physical damage to the thermistor’s wire harness or a loose connector (usually CNxxx on the fuser or controller board) creates an intermittent signal. Enter (Stop → 1 → 0 → 7
SP 5-810 resets counters. If you only want to clear the SC code without resetting PM (Preventive Maintenance) counters, use SP 7-403 (SC Code Reset) instead. sc569-00 ricoh
The Ricoh error code specifically indicates a fusing pressure release motor error