Lexmark MX811
Turn off the printer.
Unplug the power cord from the electrical outlet.
Remove the extra printer hard disks.
Connect the power cord to a properly grounded electrical outlet.
Turn the printer back on.
Card Copy App Does Not Show All Installed Trays
The Wrong Hole Punch Feature Is Shown as Installed on Lexmark W840, W850, X85x and X86x Series Printers and MFPs