OKI C610
Troubleshooting. Paper running jam (error code 381:) 3
Jam occurs in the middle of paper running path.
Motor operation check
Check item | Check work | Actions to be taken at NG |
---|---|---|
Paper feed motor driver, belt motor driver and ID motor | Confirm that the paper feed motor, belt motor and ID motor work normally by using the Motor & Clutch Test of the self-diagnostic mode. Check if any load exists or not. | Replace the CU/PU board, or replace the defective motor among paper feed motor, belt motor and ID motor, or replace the ID unit or belt unit. |
Paper feed motor, belt motor | Remove the BELT ID UP connector 2 of the CU/PU board and check the followings at the connector side. Several MΩ between pin-5 – FG Several MΩ between pin-6 – FG Several MΩ between pin-7 – FG Several MΩ between pin-8 – FG Remove the HP_PSZCL connector 9 of the CU/PU board and check the followings at the connector side. 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 either paper feed motor, belt motor or CU/PU board. |
Jam occurs immediately after paper has reached the fuser.
Motor operation check
Check item | Check work | Actions to be taken at NG |
---|---|---|
Fuser motor | Confirm that the fuser motor works normally by using the Motor & Clutch Test of the selfdiagnostic mode. Check if any load exists or not. |
Replace the CU/PU board. Replace the fuser motor. Replace the fuser unit. |
Temperature control of the roller rotation speed
Check item | Check work | Actions to be taken at NG |
---|---|---|
Heat roller detected temperature | Check the detected temperature of the heat roller using the self-diagnostic mode. Is abnormally high temperature or abnormally temperature detected? | Replace fuser unit, or relay board (PRY PCB) or the CU/ PU board. |
Check the installation condition of fuser unit
Check item | Check work | Actions to be taken at NG |
---|---|---|
Fuser unit | Check that the fuser unit is installed normally. (Is it pushed in down to the bottom-most point?) | Install the fuser unit correctly in a printer. |