MFC-L5900DW
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常見問題&故障排除 |
Turn Setting Lock On
- Press
.
- Enter the current four-digit password.
- Press [OK].To turn Setting Lock [Off], press
on the LCD, enter the current four-digit password, and then press [OK].
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MFC-L5900DW
![]() |
常見問題&故障排除 |