MFC-L3770CDW
 |
常見問題&故障排除 |
MFC-L3770CDW
日期:29.06.2018 ID:faq00002678_003
No Drum Unit
The drum unit is not installed or not installed correctly. Reinstall the toner cartridge and drum unit assembly for the color indicated on the machine's display.
> Click here to see how to install the drum unit.
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