![](/images/new-backgrounds/1184205/184205277x1.webp)
4Black vertical belts or stripes
•Replace the image drum unit.
•Has the problem been removed?
•Yes End
| Note: After replacing the image drum unit, set the printer in the user |
| maintenance mode by turning the power on while pressing the |
| MENU key, and reset the drum counter (see User’s Manual). |
▼ | Replace the LED head. |
• No |
•Has the problem been removed.
•Yes End
Note: After replacing the LED head, set the printer in the engine mainte- nance mode by turning the power on while pressing the FORM FEED and ENTER keys. Set the LED head drive time if the luminous rating of the old LED head and the new LED head are different (see 4.2).
▼ | Replace the Main Control PCB or power supply board. |
• No |
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