As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN COCKPIT ORIGINATING UNDERNEATH CAPTAINS SEAT. EMERGENCY DECLARED, DIVERTED. SOURCE UNKNOWN, PERFORMED INITIAL CONDITIONAL INSPECTION FOR SMOKE/ODOR IN CABIN IAW AMM 05-51-58-800-801C3. FOUND PRINTER AT FAULT CAUSING SMOKE/ODOR IN CABIN. R & R PRINTER IAW AMM 31-33-01-400-801. C/W AMM 05-51-10-200-801C1 SMOKE/ODOR INSPECTION ACFT OK TO CONTINUE.