OKI C330dn
Troubleshooting. 4 Feed jam (error code 380) 2
Jam occurs immediately after the paper feed is started.
Check condition of the paper running path
Check item | Check work | Actions to be taken at NG |
---|---|---|
Paper running path of the front unit | Check if paper is jammed or not 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 |
---|---|---|
Hopping sensor, IN sensor and WR sensor lever check | Check the sensor lever shapes and operations for any problem | Replace the sensor lever(s) with proper one(s). |
Motor operation check
Check item | Check work | Actions to be taken at NG |
---|---|---|
Paper feed motor | Confirm that the paper feed motor works normally by using the Motor & Clutch Test of the selfdiagnostic mode. | Replace the CU/ PU board or the feed motor. |
Paper feed motor driver | Pull out the CU/PU board HOP connector 1, and check the following at the side of the connector: Several MΩ between pin-1 – FG Several MΩ between pin-2 – FG Several MΩ between pin-3 – FG Several MΩ between pin-4 – FG |
Replace the CU/PU board. |
Check the system connection
Check item | Check work | Actions to be taken at NG |
---|---|---|
Paper feed motor drive cable | Check the connection condition of the cable. Check if the connector is connected in the halfway only or not, and check if the connector is inserted in a slanted angle or not. Check also that cables are assembled without any abnormality. |
Replace the cable with the good cable that normalizes the connection condition. |
Paper feed motor drive cable | Check that any cable is not pinched during assembling of the printer. Pull out the CU/PU board HOP connector 1, and check the following at side of the cord: Short circuit between pin-1 – FG Short circuit between pin-2 – FG Short circuit between pin-3 – FG Short circuit between pin-4 – FG |
Replace the cable with the good cable that normalizes the connection condition. |
Paper feed motor | Pull out the CU/PU board HOP connector 1, and check whether there is a resistance of approximately 3.4Ω or 5Ω between the pins 1 and 2, and between the pins 3 and 4, at the cord side. | Replace the paper feed motor. |