As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: AT FL360 A SUBTLE ODOR MAYBE ELECTRICAL SMELL ALONG WITH PRINTER FAIL MESSAGE APPEARED. AFTER FAIL MESSAGE, THE SMELL QUICKLY DISSIPATED. NO SMOKE OBSERVED. CONFIRMED ODOR IS FROM ACARS PRINTER. PRINTER REPLACED AS PER AMM 31-33-01.