Oki ES3640MFP Service & Troubleshooting Manual page 111

Fuser 110V/220V Mismatch Error
Error Codes that Apply
179
Initial Troubleshooting Actions to Take
1. Cycle the printer's power.
2. If the problem persists follow the procedure below.
Parts of the Printer that Apply
1. Fuser
2. Engine Control Board
Troubleshooting Procedure
Steps
Ensure the proper Fuser (110v vs.
1
220v) is installed in the printer.
Is the correct Fuser installed?
Action Taken Yes
Replace the Engine
Control Board
No
Replace the Fuser.