Epson WorkForce Pro WF-R8590 DTWF - Manual (Page 150)

1. Open the document cover.
2. Use a soft, dry, clean cloth to clean the surface of the scanner glass.
Note:
❏ If the glass surface is stained with grease or some other hard-to-remove material, use a small amount of glass cleaner
and a soft cloth to remove it. Wipe off all remaining liquid.
❏ Do not press the glass surface too hard.
❏ Be careful not to scratch or damage the surface of the glass. A damaged glass surface can decrease the scan quality.
User's Guide
Improving Print and Scan Quality
150