• Code: 990
• Description: Software performance error
  The software attempted to perform an unexpected operation. NOTE: When this error occurs, the file name, address, and data will be stored in NVRAM. This information can be checked by using SP7-403. See the data and the situation in which this SC occurs. Then report the data and conditions to your technical control center
• Causes: • Software defective • Internal parameter incorrect • Insufficient working memory
• Remedy:

• Code: 991
• Description: Software continuity error The software attempted to perform an unexpected operation. However, unlike SC990, the process can keep on running.
• Causes: • Logged only; the machine can continue to operate
• Remedy:

• Code: 992
• Description: Undefined error An error not controlled by the system occurred (the error does not come under any other SC code).
• Causes: • Defective software program
• Remedy:

• Code: 997
• Description: Application function selection error
  The application selected by a key press on the operation panel does not start or ends abnormally.
• Causes: • Software for that application is defective • An option required by the application (RAM, DIMM, board) is not installed. • Too complicated nest of the fax group address
• Remedy: 1. As for the fax operation problem, simplify the nest of the fax group address.

• Code: 998
• Description: Application start error
  After switching the machine on, the application does not start within 60 s. (No applications start or end normally.)
• Causes: • Software for that application is defective • An option required by the application (RAM, DIMM, board) is not installed.
• Remedy: 1. Check the setting of SP5875-001. If the setting is set to "1 (OFF)", change it to "0 (OFF)".