Description: Lamp Error (Scanning) The white level peak did not reach the prescribed threshold when the white plate was scanned.Consumables such as Toner, Drum, Blade, Fuser rollers, Pickup roller, and Developer are changed at such times.And also check the changing consumables are original or not. Description: Shield Operation Error Detection During HP detection operation, HP detection fails 3 times consecutively. The Ricoh c2551 Copier has incredible small office feature like automatic duplex feeding which reduces paper consumption The Ricoh c2551 color Copier also has up to 1,600 Sheets. The maintenance sign means that the copier needs to be well serviced and checked if something is to be replaced.Description: Shield Operation Error Detection During shield basic operation, shield motor does not stop even if (t32) seconds elapsed from rotation start.Description: Shield Operation Error Detection During shield basic operation, shield sensor 2 does not go 'Low > High' even if (t31) seconds elapsed from screen motor rotation start.Sensor actuator/feeler modification/defective.Description: Shield Operation Error Detection During HP detection operation, shield sensors 1 and 2 detect 'High' for (t30) seconds continuously.Detection period 100ms, detection count: 10 times or more. Description: Fusing central thermopile high temperature detection (software) Above (T3) degrees C detected for (t4) seconds continuously.

Ricoh mpc2551 sc997