Service Call Conditions
M001 4-20 SM
900
D
Electrical total counter error
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
An internal application error
was detected and operation
cannot continue.
Software defective; turn the machine
off/on, or change the controller firmware
Insufficient memory
921 Printer font error
A necessary font is not found in
the SD card.
• A necessary font is not found in the SD
card.
• The SD card data is corrupted.
990 D
Software error 1
The software performs an
unexpected function and the
program cannot continue.
Software defective, re-boot*1
991 C
Software error 2
The software performs an
unexpected function. However,
unlike SC990, recovery
processing allows the program to
continue.
Software defective, re-boot*1
Rev. 11/03/2009
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