Code :

Code: 877
Description: HDD Data Overwrite Security SD card error The 'all delete' function cannot be executed but the DataOverwriteSecurity Unit is installed and activated.
Causes: • Defective SD card • SD card not installed
Remedy: 1. Replace the NVRAM and then install the new SD card. 2. Check and reinstall the SD card.

Code: 878
Description: TPM system authentication error The system firmware is not authenticated by TPM (security chip).
Causes: • Incorrect updating for the system firmware • Defective flash ROM on the controller board
Remedy: Replace the controller board.

Code: 900
Description: Electric counter error Abnormal data in the counters.
Causes: • Defective NVRAM • Defective controller
Remedy: 1. Check the connection between the NVRAM and controller. 2. Replace the NVRAM. 3. Replace the controller.

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. • See Note 1 at the end of the SC table.

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: This SC is not displayed on the operation panel (logging only).

Code: 992
Description: Undefined error Defective software program
Causes: • An error undetectable by any other SC code occurred
Remedy: Print the "Logging Data" with SP5990-004 and then check the SP7990. If 498-Engine is found in the SP7990; 1. Check the harness connection of the temperature/humidity sensor. 2. Replace the temperature/humidity sensor.

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. 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 if the DIMM memory is correctly connected. 2. Reinstall the controller system firmware. 3. Replace the controller.If a problem always occurs in a specific condition (for example. printer driver setting, image file), the problem may be caused by a software error. In this case, the following data and information needs to be sent back to your product specialist. Please understand that it may take some time to get a reply on how to solve the problem, because in some cases the design staff in Japan must analyze the data. • Symptom / Possible Causes / Action taken • Summary sheet (SP mode "Printer SP", SP1-004 [Print Summary]) • SMC - All (SP5-990-001) • SMC - Logging (SP5-990-004) • Printer driver settings used when the problem occurs • All data displayed on the screen (SC code, error code, and program address where the problem is logged.) • Image file which causes the problem, if possible