Seiko TM-U590/U590P - Manual (Page 47)

Reference Information 4-9
MICR reader
mechanism (only
when the printer is
used with the MICR
reader): 240,000 passes
The MICR reader is defined to have
reached the end of its life when it reaches
the beginning of the Wearout Period.
MTBF: 180,000 hours
Failure is defined as Random Failure
occurring at the time of the Random
Failure Period.
MCBF: 29,000,000 lines
This is an average failure interval based on
failures relating to wearout and random
failures up to the life of 12 million lines.