Epson TM-U325D-951 Printer User Manual


 
4-8 Reference Information
Reliability
Life: 20,000,000 lines
End of Life is defined as the point
at which the printer reaches the
beginning of the Wearout Period.
MTBF: 180,000 hours
Failure is defined as Random
Failure occurring at the time of the
Random Failure Period.
MCBF: 49,000,000 lines
This is an average failure interval
based on failures relating to
wearout and random failures up to
the life of 20 million lines.
Print head life: 150 million characters (when printing
an average of 2 dots/wire per
character)
Validation switching
operation life:
500,000 transactions