MFC-J4340DW(E)
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MFC-J4340DW(E)
Datum: 2021-06-11 ID: faq00000261_516
Clean the Scanner
- Unplug the machine from the electrical socket.
- Lift the document cover (1). Clean the scanner glass (2) and the white plastic (3) with a soft lint-free cloth moistened with water.
- In the ADF unit, clean the white bar (1) and the glass strip (2) with a lint-free cloth moistened with water.
![image](/g/b/img/faqend/faq00000261_516/eu_ot/en/2423601/topic1_icon5.png)
If you feel dirt or debris, clean the glass again. You may need to repeat the cleaning process three or four times. To test, make a copy after each cleaning attempt.
![image](/g/b/img/faqend/faq00000261_516/eu_ot/en/2423602/GUID-F0849165-E677-4112-8F78-407826B9C07C-low.gif)
When there is a spot of dirt or correction fluid on the glass strip, the printed sample shows a vertical line.
![image](/g/b/img/faqend/faq00000261_516/eu_ot/en/2423603/GUID-1FC4A64D-6E6C-413D-9AC1-EC743D563369-low.gif)
After the glass strip is cleaned, the vertical line is gone.
MFC-J4335DW(XL), MFC-J4340DW(E), MFC-J4540DW(XL)
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