SC9xx
900
D
Electrical total counter error CTL
The total counter contains something that is not a number.
• NVRAM incorrect type
•
NVRAM defective
• NVRAM data scrambled
• Unexpected error from external source
920
B
Printer error 1 CTL
An internal application error was detected and operation cannot continue.
• Software defective
•
Turn the machine power off/on, or change the controller firmware
• Insufficient memory
921
B
Printer Error 2 CTL
When the printer application started, the font designated for use could not be found on the
SD card.
• The font is not on the SD card
990
D
Software error 1 CTL
The software performs an unexpected function and the program cannot continue.
• Firmware defective: re-boot
• Update firmware*
1
991
C
Software error 2 CTL
The software performs an unexpected function. However, unlike SC990, recovery
processing allows the program to continue.
6. Troubleshooting
214
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