Lexmark C77x - Manual (Page 73)

Installing and removing options
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Installing and removing options
CAUTION: If you are installing memory or option cards sometime after setting up the printer, turn the
printer off, and unplug the power cord from the wall outlet before continuing.
The instructions in this section help you install the interface card, memory card, and firmware card. Information about other
memory or option cards can be found in the printer User’s Guide.
Accessing the printer system board
You must access the printer system board to install the interface card, memory card, and firmware card.
Note: Use a Phillips screwdriver to remove the system board access cover.
1 Locate the system board access cover on the back of the printer.
2 Remove the four access cover screws.
3 Remove the access cover.
4 Set the cover aside.
Use the illustration to locate the connector for the card you want to install.
Option card
Firmware and
flash memory
cards
Memory card
connector