Mtbf / Mttr - Brother DCP 8040 - B/W Laser - All-in-One Service Manual

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.
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