FAQs & Troubleshooting

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MFC-7840W

FAQs & Troubleshooting

FAQs & Troubleshooting

MFC-7840W

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Date: 14/01/2008 ID: faq00000261_030

How do I clean the scanner to improve the copy or fax quality?

Follow steps below:


  1. Turn off the machine's power switch. Unplug the telephone line cord first, disconnect all cables, and then unplug the power cord from the AC power outlet.
  2. 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.
  1. In the ADF unit, clean the white bar (1) and the scanner glass strip (2) under it with a soft lint-free cloth moistened with water.
  1. Plug the machine's power cord back into the AC power outlet first, and reconnect all cables and telephone line cord. Turn on the machine's power switch.

In addition to cleaning the scanner glass and glass strip with a soft lint-free cloth moistened with water, run your finger tip over the glass to see if you can feel anything on it. If you feel dirt or debris, clean the glass again concentrating on that area. You may need to repeat the cleaning process three or four times. To test, make a copy after each cleaning.

Related Models

MFC-7320, MFC-7320R, MFC-7440N, MFC-7440NR, MFC-7840W, MFC-7840WR

If you need further assistance, please contact Brother customer service:

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