Epson WorkForce Pro WF-R8590 DTWF - Manual (Page 147)

3. Select Maintenance > Paper Guide Cleaning.
4. Select rear paper feed, and then follow the on-screen instructions to clean the paper path.
5. Repeat this procedure two or three times.
Note:
The cleaning sheet loses its effect when used three times or more.
Cleaning the ADF
When the copied or scanned images from the ADF are smeared or the originals do not feed in the ADF correctly,
clean the ADF.
c Important:
Never use alcohol or thinner to clean the printer. These chemicals can damage the printer.
1. Open the ADF cover.
User's Guide
Improving Print and Scan Quality
147