Sc569-00 Ricoh Work

The thermistor connects to the printer’s I/O board via a thin wire harness. If this cable is pinched, frayed, or partially unseated from the fuser connector, resistance changes cause false edge-temperature readings.

Remove finisher rear and upper covers to access: sc569-00 ricoh

Prevention is cheaper than repair. Follow these best practices: The thermistor connects to the printer’s I/O board

Beyond mechanical wear, electrical and environmental factors can also play a role. A loose or damaged wiring harness between the motor and the machine’s main controller board can prevent the motor from receiving power or the sensor from sending data. In some cases, the problem may lie deeper within the machine's electronics, such as a blown fuse on the power supply or a malfunctioning motor driver on the main board. Occasionally, the error can even be a "false positive" caused by a severe paper jam in the fuser area that has physically blocked the pressure mechanism from completing its cycle. Occasionally, the error can even be a "false

: A frequent cause is a paper jam that has occurred within the fuser or paper exit area. If paper is stuck, it can physically block the pressure release mechanism from moving to its home position. Paper Weight/Type