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2. SPECIFICATIONS
2.7 Reliability (TRST-P1 &TRST-P2)
2.7.1 Life
Thermal print head
Cutter
2.7.2 Life MTBF (MCBF)
Printer
MAIN PCB
Interface PCB
Condition:
Above MTBF and MCBF has been confirmed under Normal environment (at 25ºC)
*assume print head as first failure part and line spacing of 8.13LPI
: 200 km (based on specified paper NPI TF50KS-EY)
: 2 million cuts (based on specified paper NPI TF50KS-EY)
: 65,000,000 Lines* (MCBF)
: 1,650,000 hours (Telcordia RPP, formerly Bellcore)
: RS232 I/F => 43,450,000 hours (Telcordia RPP, formerly
Bellcore)
: Ethernet I/F => 26,300,000 hours (Telcordia RPP, formerly
Bellcore)
2-5
2.7 RELIABILITY (TRST-P1 &TRST-P2)
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