• Code: 990
• Description: Software performance error
  The software makes an unexpected operation.
• Causes: • Defective software • Defective controller • Software error
• Remedy: 1. Turn the main switch off and on. 2. Reinstall the controller and/or engine main firmware.

• 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: 992
• Description: Undefined error
  Defective software program
• Causes: • An error undetectable by any other SC code occurred
• Remedy:

• 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: Reinstall the correct controller board for this machine.

• 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 complicated
• 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: