Lexmark X850e User Guide
Accessing the MFP system board
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Installing options
Accessing the MFP system board
You must access the MFP system board to install printer memory, flash memory, or an option card.
CAUTION:
Turn the MFP off, and unplug the power cord before continuing.
1
Loosen the screws on the access panel located on the back side of the MFP.
2
Remove the panel from the MFP, and set it aside.