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ES3640e MFP User’s Guide
Maintenance – scanner unit - 117
Cleaning the document glass
The document glass needs to be cleaned occasionally to ensure
optimum image quality and performance.
Clean the glass as follows.
1. Open the document cover (1).
2. Moisten a soft, clean cloth with isopropyl alcohol (95%).
3. Gently wipe the document glass (2) and the white sheet
(3) on the lower side of the document cover to remove
dust or any toner particles.
4. Close the document cover (1).
Your machine is now ready for use.
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