Oki B 4100 Maintenance Manual page 207

(3) Others
No.
1 Document feeder
2 Recording paper
feeder
3 Battery
4 MTBF
40055101TH Rev.4
Table 6.1.1 Reliability
Item
Jam occurrence and misfeeds in the automatic document feeder will
be less than one in 500 operations for all specified documents.
Jam occurrence in the automatic paper feeder will be less than one in
1,500 operations and misfeeds will be less than one in 500 operations
for all specified recording paper.
The life of the battery is five years. (except for OKIOFFICE44/
OKIFAX 4100)
Lithium battery. Not rechargeable.
The MTBF for the overall machine will exceed 3,000 hours of actual
operation.
The MTBF will be measured at a confidence level of 95% under
controlled laboratory conditions.
The MTBF will be based on 50% transmit and 50% receive activities.
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer.
Dispose of used batteries according
to the manufacturer's instructions.
Specifications
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