• Code: 921
• Description: Printer font error [B] No font is detected in the machines that have the font in the SD card when the printer application is run.
• Causes: • Install the System, Printer Application, NIB, and Web System firmware.
• Remedy:

• Code: 990
• Description: Software performance error 1 [D] The software makes an unexpected operation.
• Causes: • Defective software • Defective controller • Software error
• Remedy: 1. Reinstall the controller and/or engine main firmware. 2. See NOTE 1 at the end of the SC table.

• Code: 991
• Description: Software performance error 2 [C] Unexpected software error detected, which does not affect operation of the machine
• Causes: The machine does not stop and the SC code is not displayed. The machine automatically recovers. However, the SC code is logged in the engine summary sheet (SMC).
• Remedy:

• Code: 992
• Description: SC not defined [D] SC that is not controlled in the system occurs.
• Causes: • Defective system software
• Remedy:

• Code: 998
• Description: Application start error [D] No applications start within 60 seconds after the power is turned on.
• Causes: • Loose connection of RAM-DIMM, SD card in slot 1 • Defective controller • Software problem
• Remedy: 1. Check if the RAM-DIMM and SD card in slot 1 are properly connected. 2. Reinstall the controller system firmware. 3. Replace the controller.