Epson ActionLaser 1400, Reference Manual

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Memory Module
By installing one or two 1MB, 2MB, 4MB, or 8MB Single In-Line Memory
Modules (SIMMs), you can increase printer memory up to 18MB. You
may want to add additional memory if you are having difficulty printing
complex, graphics-intensive pages or if you regularly use many
downloaded fonts.
You can purchase SIMMs from various vendors. Be sure the SIMMs you
purchase meet the following requirements:
72-pin type
Capacity of 1, 2, 4, or 8MB
Access speed of 70ns or less
Installing SIMMs
Warning
High voltages are present inside the printer when the power is on. Do not
attempt to install a SIMM unless the printer is turned off.
1. Turn off the printer and unplug the power cable from the electrical outlet.
2. Turn the printer so the back of the printer is facing you.
3.
Use a crosshead screwdriver to remove the five screws that secure the
metal access cover as shown below. Lift off the access cover.
D-2 Installing
Additional
Memory