Reliability - Epson TM-T88VI-DT2 Technical Reference Manual

Reliability

Item
MTBF
MCBF
Parts with limited
lifespan
RTC
Controller 169,000 hours (excluding SSD, fan, and options)
Printer 360,000 hours
AC adapter 150,000 hours
Printer 70 million lines
(This is an average failure interval based on failures related to wear out and
random failures up to the life of 20 million lines.)
Controller CPU cooling fan (till the time when speed of rotation is reduced by 30%):
Lithium primary battery (for RTC): Around 5 years
Printer Printer mechanism:
Thermal head:
Autocutter:
Clock precision: Monthly error: ± 100 seconds
Specification
Approximately 45,000 hours (ambient temperature of 40°C)
20 million lines (printing)
200 km (When recommended density and print
speed are set)
3 million (Normal temperature normal humidity)
Product Specifications
138