Mtbf / Mttr - Brother mfc8440 Service Manual
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Also See for mfc8440:
- User manual (426 pages) ,
- Software user's manual (183 pages) ,
- Quick setup manual (52 pages)
Table of Contents
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CHAPTER 5 PERIODIC MAINTENANCE
4.
MTBF / MTTR
The meantime between failure (MTBF) and the meantime to repair (MTTR) for this machine
are as follows;
MTBF: Up to 4,000 hours
MTTR: Average 30 minutes except the periodical maintenance parts (the Paper Feeding Kit)
and the machine control boards whose MTTR is average 10 minutes.
5-26
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