OKI C531
Troubleshooting. 6 Paper running jam (error code 381:) 4
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. If any attempt of using new fuser unit as a trial is going to be made, be sure to use the System Maintenance Menu FUSE KEEP MODE.( |
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 the fuser unit and the PU/CU board. If any attempt of using new fuser unit as a trial is going to be made, be sure to use the System Maintenance Menu FUSE KEEP MODE. |
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 |