MFC-B7700D
 |
常见问题解答与故障排除 |
Clean the Scanner
- Press and hold
to turn the machine off. - Lift the document cover (1). Clean the white plastic surface (2) and scanner glass (3) underneath it with a soft lint-free cloth moistened with water.
- In the ADF unit, clean the white bar (1) and the scanner glass strip (2) underneath it with a soft lint-free cloth moistened with water.
- Close the document cover.
- Press to turn the machine on.