Oki ES3640MFP Service & Troubleshooting Manual page 101

Engine Control Board Failure
Error Codes that Apply
102 to 106 and
Initial Troubleshooting Actions to Take
1. Cycle the Printers Power
2. If the problem persists follow the procedure below.
Parts of the Printer that Apply
1. Engine Control Board EEPROM
2. Engine Control Board
Troubleshooting Procedure
Steps
Cycle power to the printer.
1
Does the error still appear?
2
Perform a Factory Default Reset
Does the error still appear?
3
200 to 202
Action Taken
Replace the EEPROM
Yes
Go to Step 2.
Go to Step 3.
Complete
No
Complete
Complete
Replace the Engine
Board.