OKI C931

Jam occurs immediately after the power is turned on.

Check condition of the paper running path

Check item	Check work	Actions to be taken at NG
Paper running path in the vicinity of the right side cover	Open the right side cover to check for jammed paper in the paper running path.	Remove the jammed paper.

Check condition of the mechanical parts

Check item	Check work	Actions to be taken at NG
Check the sensor lever of the paper entrance sensor 2.	Check if shape and movement of the sensor levers have any abnormality or not.	Replace with a normal sensor lever.

Check condition of electrical parts

Check item	Check work	Actions to be taken at NG
Check the detection condition of the sensor signal.	Confirm that the sensor signals are normally detected by using the Maintenance Menu SWITCH SCAN function.	Replace the PU/CU PCB or connection cable.