Code :

Code: 991
Description: Software continuity error
The software has attempted to perform an unexpected operation. However, unlike SC 990, the object of the error is continuity of the software.
Causes: Software program error. Internal parameter incorrect, insufficient working memory.
Remedy: 1. This SC is not displayed on the LCD (logging only).

Code: 994
Description: Operation panel management records exceeded
An error occurred because the number of records exceeded the limit for images managed in the service layer of the firmware. This can occur if there if there are too many application screens open on the operation panel.
Causes: No action required because this SC does not interfere with operation of the machine.
Remedy:

Code: 995
Description: Controller Board Mismatch
The information on the controller board does not match that of the machine
Causes: Wrong controller board installed
Remedy:

Code: 997
Description: Application function selection error
The application selected by the operation panel key does not start or ends abnormally.
Causes: Software (including the software configuration) defective An option required by the application (RAM, DIMM, board) is not installed. Nesting of the fax group addresses is too complicatede.
Remedy: 1. Check the devices necessary for the application program. If necessary devices have not been installed, install them. 2. Check that application programs are correctly configured. 3. For a fax operation problem, simplify the nesting of the fax group addresses. 4. Take necessary countermeasures specific to the application program. If the logs can be displayed on the operation panel, see the logs.

Code: 998
Description: Application start error
No applications start within 60 seconds after the power is turned on.
Causes: Loose connection of RAM-DIMM, ROM-DIMM. Defective controller. Software problem
Remedy: 1. Check the setting of SP5875-001. If the setting is set to "1 (OFF)", change it to "0 (OFF)". 2. Check if the RAM-DIMM and ROM-DIMM are correctly connected. 3. Reinstall the controller system firmware. 4. Replace the controller.