7 8
TM-U220A
Specification
(For Argentina Fiscal)
0 10 20 30
40
50
0
10
20
40
60
80
90
Ambient temperature [°C]
Relative humidity [RH%]
Operating environment
range
40°C{104°F}, 65%
34°C {93.2°F}, 90%
1.11 EMI and Safety Standards Applied
Argentina: Safety Standard (S mark): IEC60950-1
1.12 Reliability
1) Life
Mechanism: 7,500,000 lines
Print head: 150 million characters (using an average of 2 dots/wire per character).
(The printing pattern is based on APPENDIX A.)
Autocutter: 800,000 cuts
End of life is defined as the point at which the printer reaches the beginning
of the wearout period.
2) MTBF 180,000 hours
Failure is defined as a random failure occurring during random failure
period.
3) MCBF 18,000,000 lines
This is a mean time between failures including random and wearout
failures before 7.5 million lines are printed.
1.13 Environmental Specifications
1) Temperature
During operation: 0 to 40
°C {41 to 104°F}. (At 34°C {93°F} or higher, there are humidity
restrictions; see Figure 1.13.1.)
During storage: -10 to 50
°C {14 to 122°F} (excludes paper and ribbon)
2) Humidity
During operation: 10 to 90% (no condensation)
During storage: 10 to 90% (no condensation; excludes paper and ribbon)
Figure 1.13.1 Operating Temperature and Humidity Range
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