TM-U220 Technical Reference guide EPSON - Perimatic.fr
TM-U220 Technical Reference guide EPSON - Perimatic.fr
TM-U220 Technical Reference guide EPSON - Perimatic.fr
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<strong>TM</strong>-<strong>U220</strong> <strong>Technical</strong> <strong>Reference</strong> Guide<br />
1.6.2 Reliability<br />
Life:<br />
MTBF:<br />
MCBF:<br />
Print head life:<br />
Autocutter life:<br />
Mechanism: 7,500,000 lines<br />
180,000 hours<br />
Failure is defined as a Random Failure occurring at the time<br />
of the Random Failure Period.<br />
18,000,000 lines<br />
This is an average failure interval based on failures relating to<br />
Wearout and Random Failures up to the life of 7.5 million<br />
lines.<br />
150 million characters (using an average of 2 dots/wire per<br />
character). (The printing pattern is <strong>EPSON</strong> test pattern).<br />
800,000 cuts<br />
End of life is defined as the point at which the printer reaches<br />
the beginning of the wearout period.<br />
1.6.3 Environmental Conditions<br />
Temperature:<br />
Humidity:<br />
During operation: 0 °C to 50 °C {41°F to 122 °F}.<br />
(At 34 °C {93°F} or higher, there are humidity restrictions as<br />
listed below. )<br />
During operation:10 to 90% (no condensation)<br />
During storage:10 to 90% (no condensation; excludes paper<br />
and ribbon)<br />
Operating temperature and humidity range<br />
Rev. D General Information 1-15