Epson AcuLaser MX20DNF - Manual (Page 202)

7. Insert the developer unit containing the toner cartridge slowly all the way in.
Note:
Make sure that the locking lever for the pickup roller of the MP tray is in the locked position (up). For
the location of the locking lever and pickup roller, see “Inside the printer” on page 25.
If the locking lever is in the unlocked position (down), the pickup roller may have come off. In that
case, reinstall the pickup roller. For details, see “Installing the pickup roller” on page 35.
8. Close cover A.
Cleaning the document table
When the scanning quality has decreased, open the document cover and wipe away the document
table with a soft dry cloth.
Epson AcuLaser MX21/MX20 Series User's Guide
Cleaning and Transporting the Printer 202