沖データ企業秘密・OkiDataCONFIDENTIAL
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• Operating: Monochrome/color 57 dBA or less (without option tray)
• Ready Mode: 34 dBA or less
• Power Saving Mode: Background level
(Averages of values measured at range A, slow)
(c) Noise Measurement Method (Acoustic Power)
The value of the acoustic power level LwAd (A) prescribed in 3.2.5 of ISO9296:1988 should
not exceed the value of 7.2B when measured on C911/C931/C941 placed in monochrome
Best Quality mode according to ISO 7779:1999.
(5) Corrosivity
C911/C931/C941/Pro9541WT uses raw materials that provide it the performance and life
adequate in normal office environment.
(6) Vibration Testing
(a) Operating:
5 to 10 Hz., 0.1-mm amplitude
10 to 14 Hz., 0.02 G’s
14 to 54 Hz., 0.05-mm amplitude
54 to 200 Hz., 0.3 G’s
0.5 H. each of X, Y and Z axis directions, 5 min. each side
(b) Ready Mode:
5 to 10 Hz., 2.5-mm amplitude
10 to 14 Hz., 0.5 G’s
14 to 54 Hz., 0.25-mm amplitude
54 to 200 Hz., 0.5 G’s
0.5 H. each of X, Y and Z axis directions, 5 min. each side
(7) Transport Testing
(a) Drop Test
Height: 40 cm
(b) Transport Vibration Test
5 to 10 Hz., 10-mm amplitude
10 to 14 Hz., 2 G’s
14 to 54 Hz., 0.38-mm amplitude
54 to 200 Hz., 5 G’s
0.5 H. each of X, Y and Z axis directions, 5 min. each side
2.4 Environmental Performance
The following environmental requirements apply to C911/C931/C941/Pro9541WT.
• RoHS directives
• ODC green procurement standard
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