102
Appendix
Environmental Conditions
Guaranteed printer
operating
environment
When operating on
battery only
Temperature: -15 to 50˚C {5 to 122˚F} (Print quality is not guaranteed)
Humidity: 10 to 90% RH (excluding paper)
Note:
When printing in an environment of 0˚C {32˚F} or lower on a Wi-Fi model, the
coverage should be 33% or lower.
When operating on
battery and USB
power adapter
Temperature: -15 to 50˚C {5 to 122˚F} (Print quality is not guaranteed)
Humidity: 10 to 90% RH (excluding paper)
Note:
• The guaranteed temperature range for charging is shown in the "During
charging" column below.
• When printing in an environment of 0˚C {32˚F} or lower on a Wi-Fi model,
the coverage should be 33% or lower.
Guaranteed
environment for
battery (OT-BY80II)
operation
During discharge Temperature: -20 to 55˚C {-4 to 131˚F}
Humidity: 10 to 90% RH
* Battery performance is reduced at low temperatures.
During charging Temperature: 0 to 40˚C {32 to 104˚F}
Humidity: 10 to 90% RH
Print quality assurance environment Temperature: 5 to 45˚C {41 to 113˚F}
Humidity: 10 to 90% RH
Caution: No condensation
90
60
80
10
20
40
0
0
10 20 30 40 50
-15
+
[%RH]
34˚C {93.2˚F}, 90% RH
4
0˚C {104˚F}, 65% RH
45˚C {113˚F},
50% RH
[˚C]
50˚C {122˚F},
35% RH
Range that guarantees print quality
Range that guarantees printer operation
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