OKI MB780MFP
Troubleshooting. Image Quality. Horizontal white stripes or bands (side to side direction)
| Step | Check | Yes | No |
|---|---|---|---|
| 1 | Check the media condition. Load new, dry, and recommended media. Re-print the defective image. Does the error continue? |
Go to step 2. | Problem solved. |
| 2 | Are the media transfer route and the media path free of contamination and debris? | Go to step 3. | Remove debris or contamination. |
| 3 | Check the toner level. Is the toner level normal? |
Go to step 4. | Replace the print cartridge. |
| 4 | Check the transfer roll assembly for contamination and wear. Is the above component free of excess wear and contamination? |
Go to step 5. | Replace the transfer roll assembly. |
| 5 | Check the printhead assembly for proper connection. Is the above component properly connected? |
Replace the printhead assembly. | Replace the connections. |
| 6 | Perform a print test. Does the problem remain? |
Contact next highest level of tech support. | Problem solved. |