Oki C9800 Series Service & Troubleshooting Manual page 124

Engine Board Flash Memory Error
Error Codes that Apply
240 Flash memory Hardware
243 Tray 3 Flash Memory
247 Sub CPU Flash Memory
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. Engine Control Board
Troubleshooting Procedure
Steps
Cycle power to the printer.
1
Does the error reappear?
Action Taken
241 Duplex Flash Memory
244 Tray 4 Flash Memory
248 Inverter Flash Memory
Yes
Replace the Engine
Control Board
No
Complete