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A
7
8
TM-U220A
Specification
(For Argentina Fiscal)
0 10 20 30 40
50
0
10
20
40
60
80
90
Ambient temperature [
°
C]
R
e
la
ti
v
e
h
u
m
id
ity
[R
H
%
]
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
