Lexmark MS310 Quick Refence Manual page 72

If the printer control panel light sequence matches the light sequence in the preceding illustration, then press
twice quickly to see the supplemental light sequence.
‑ On
‑ On
‑ On
If the supplemental light sequence matches the light sequence in the preceding illustration, then try one or more of
the following:
•
From the printer control panel, press
•
Turn off the printer, and then turn it back on.
•
Update the network firmware in the printer or on the print server. For more information, contact customer support.
to continue printing.
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