Product Information Guide
EPL-8000
’
If
you mall
6.5ME
01
memory on Ihe
OKB
expansm
board. you do
t-101
need
IO
ms!all
any
adcilllonal
ctsp
sets on
lhe
conlrMter
board:
your
onnler
can access a
maximum
of
7SM0.
installing
additional memory
To install a memory chip set or a memory expansion board you
need a cross-head
suewdriver
and a chip puller or a flat-head
screwdriver. If you have questions about installing the chip
set or the board, contact your dealer for assistance.
WARNING: High voltages are present inside the printer
when the power is on. Do not attempt to remove the
controller board
tutlees
the printer is turned off and the
contacts on the printer’s circuit board because many of
the components can be destroyed by the static electricity
The rest of this chapter describes the procedures for installing
a
memory chip set and/or the OK expansion board.
Removing the controller board
1.
Unplug the power cable from the electrical outlet and from the
back of the printer.
2.
Disconnect all interface cables from the back of the printer.
3.
Remove the four screws that secure the metal bracket on the
back of the printer. Keep the screws so you can use them to
reinstall the controller board.
4.
Press down on the lever at the bottom of the bracket to release
the controller board, as shown below. Press firmly until the
board pops out slightly.
5.
Grasp the board with both hands and pull it straight out of its
slot.
6.
Set the controller board on a clean, stable surface with the
bracket (connector) facing to your right and the components
facing up.
7.
If you have installed an optional interface card, you must
remove it before you can install a memory chip set on the
controller board. Grasp the interface card and pull it straight
out of the interface slot.
Note: If you are installing chip sets on the controller board, you
may want to remove the plastic guide rail above the RAM chip
sockets. To do so, release the two tabs that secure the guide rail
and lift it off the board. Replace the rail after you install the
chips
Laser Printers 3/3/92
EPL-8000-5