Epson Action Laser - Manual (Page 143)

General Printer Maintenance
5. Insert the hooked edge of the developer cleaner about a half inch
(13 mm) between the developer roller and the brass blade, as
shown below. Draw the cleaner the full length of the developer
unit several times, discarding excess toner. Then reinstall the
developer unit in the basket.
6. With the top cover of the printer open, align the arrow on the
back of the basket with the arrow on the printer case. (The
arrows point toward each other when the unit is properly
installed.) Gently lower the basket into place.
Maintenance and Transportation 6-27