Acoustic emissions
Table
Sound power level | Declared per ISO 9296 |
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Printing3 | LWAd= 7.4 Bels (A) [74 dB(A)] |
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Ready | Essentially Inaudible |
1Values are based on preliminary data. See www.hp.com/go/ljm9040mfp/regulatory or www.hp.com/go/ljm9050mfp/ regulatory for current information.
2Configuration tested: Base unit printing and scanning continuous with ADF on A4 paper with no output device.
3Print speed is 50 ipm HP LaserJet M9050 MFP and 40 ipm HP LaserJet M9040 MFP.
Table
Sound pressure level | Declared per ISO 9296 |
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Printing/Copying3 | LpAm=58 dB (A) |
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|
Ready | Essentially Inaudible |
1Values subject to change. See www.hp.com/support/ljm9040mfp or www.hp.com/support/ljm9050mfp for current information.
2Configuration tested: Base unit printing and scanning continuous with ADF on A4 paper with no output device.
3Print speed is 50 ipm HP LaserJet M9050 MFP and 40 ipm HP LaserJet M9040 MFP.
Operating environment
Table
Environmental condition | Recommended | Allowed |
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|
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Temperature (device and print cartridge) | 17.5° to 25.0°C (63° to 77°F) | 0° to 40°C (32° to 104°F) |
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|
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Relative humidity | 30% to 70% | 0% to 95% |
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|
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NOTE: Optimum performance of the device is assured under the recommended temperature and humidity specifications. Print quality might deteriorate and occurrences of paper jams might increase when the device is operated withing the allowed temperature and humidity specifications.
252 Appendix C Specifications | ENWW |