Epson EPL-5000 Guide De L'utilisateur page 695

2. After installing the face-up output tray, you can switch the paper path selector
between face-up and face-down output, as shown below.
Face-up position
Memory Module
By installing a 1MB, 2MB, or 4MB Single In-line Memory Module (SIMM), you
can increase printer memory up to 5MB. You may want to add additional
memory if you are having difficulty printing complex, graphics-intensive pages
or if you regularly use numerous downloaded fonts.
You can purchase SIMMs from various vendors. Be sure the SIMMs you
purchase meet the following requirements:
72-pin type
Capacity of 1MB, 2MB, or 4MB
Access speed less than 70ns
Dimensions within 108 mm (4.25 inches)  26 mm (1.02 inches),
with a thickness of 10 mm (.4 inches)
D-8
Option Installation
Face-down position