Oki PACEMARK 4410, Service Manual, Page: 11 / 215

10
(11) Ambient temperature and relative humidity
Operating Non-operating Storage Transportation Unit
Temperature 41 to 95 32 to 109.4 14 to 122 -40 to 158
°
F
(5 to 35) (0 to 43) (-10 to 50) (-40 to 70) (
°
C)
Relative 20 to 80 10 to 90 5 to 95 5 to 95 %RH
Humidity
Avoid condensation at all times.
(12) Vibration
Operating : Max. 0.3G (5 to 150 Hz) (except at resonant frequency)
Non-operating : Max. 1G (5 to 150 Hz) (except at resonant frequency)
(13) Impact (Drop Test)
Packing : 12" Drop
(14) Noise
The 8-second average noise is Max. 55 dBA in quiet utility mode. (ISO 7779)
(15) Ribbon
Genuine OKI cartridge ribbon
Ink color : Black
Ribbon life : Approximately 15 million characters (Characters in Utility mode)
(16) Reliability
a) MTBF (mean time between failures)
12,000 hours of power-on time at 25% duty cycle and 35% page density.
b) Printhead life
400 million characters (average) in 10 CPI Utility print mode at 25% duty cycle and 35%
page density.
c) Printer life
12,000 hours of power-on time at 25% duty cycle and 35% page density, or 5 years.
d) MTTR
15 minutes, major Sub-assembly level.
Definition of terms
• Duty cycle : Actual operation rate
• Page density : the proportion in area of characters and spaces within print head
movable area.
• Power on Time : 8 hours/day, 25 days/month and 12 months/year.