Lexmark MS810n / MS810dn / MS810dtn
Insert the hole punch box into the finisher, and then select Continue on the printer control panel to clear the message. For non-touch-screen printer models, press to confirm.
The Wrong Hole Punch Feature Is Shown as Installed on Lexmark W840, W850, X85x and X86x Series Printers and MFPs
Hole Punch Unit (HPU) ? The Stapled Sheets Are Misaligned