Hardware manual

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4.4 Reliability
4.4.1 IT-3100
The following table explains reliability of the main parts on the IT-3100 series (all models).
Table 4.30
Parameter Specification Remark/Condition
Backlight 10,000 hours At half-life period in ordinary
temperature
MTBF 20,000 hours Electronic parts only
No. of times of installing and
removing the paper holder to/from
the terminal
500 times
No. of times of opening and
closing the paper outlet cover
5,000 times
No. of times of cutting paper with
the cutter on the printer
15,000 times or greater
Printer life 50 Km
(paper feeding length)
In the direction of paper feeding.
With print ratio of 25% (excluding
label papers)
Trigger key 1,000,000 times For each R Trigger key and L
Trigger key.
Other keys 500,000 times For each key.
Tapping with the stylus 800,000 times or more Touch
panel
Writing 100,000 characters with
Katakana characters
With 0.8R polyester stylus with
load of 250 g applied
No. of times of mounting and
dismounting the terminal on/from
the cradle
10,000 times
No. of times of connecting and
removing the power jack of AC
Adaptor
1,000 times
No. of times of opening and
closing the power jack cover
1,000 times
No. of times of installing and
removing the battery pack to/from
the battery compartment
5,000 times
No. of times of opening and
closing the battery pack cover
5,000 times
No. of times of installing and
removing an SD memory card
to/from the slot
5,000 times
Continue.