Acoustical specifications
Declared per ISO 9296
Sound power level1 | Printing (50 ppm) | L | = 7.2 | Bels (A) [72 dB(A)] | |
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| WAd |
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HP LaserJet 9050 |
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Ready | LWAd = 5.6 | Bels (A) [56 dB(A)] | |||
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Sound power level2 |
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Printing (40 ppm) | LWAd = 7.0 | Bels (A) [dB(A)] | |||
HP LaserJet 9040 |
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Ready | LWAd = 5.6 | Bels (A) [dB(A)] | |||
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Sound pressure level3 | Printing (50 ppm) | L | = 56 dB(A) | ||
(Bystander position) |
| pAm |
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HP LaserJet 9050 | Ready | LpAm = 40 dB(A) | |||
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Sound pressure level4 |
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Printing (40 ppm) | L | = 54 dB(A) | |||
(Bystander position) |
| pAm |
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HP LaserJet 9040 | Ready | LpAm = 39 dB(A) | |||
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1.Values current as of October 16, 2003. Values subject to change, see www.hp.com/support/ lj9050_lj9040 for current information.
2.Values current as of October 24, 2004. Values subject to change, see www.hp.com/support/ lj9050_lj9040 for current information.
3.Values current as of October 16, 2003. Values subject to change, see www.hp.com/support/ lj9050_lj9040 for current information.
4.Values current as of October 24, 2004. Values subject to change, see www.hp.com/support/ lj9050_lj9040 for current information.
Note | Configuration tested: The HP LaserJet 9050 printing simplex from Tray 3 at 50 ppm using |
| A4 paper, and the HP LaserJet 9040 printing simplex from Tray 3 at 40 ppm using A4 paper. |
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Operating environment
Operating temperature | 50°F to 91°F (10°C to 32.5°C) |
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Relative humidity | 10% to 80% |
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Storage temperature | |
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Storage humidity | 15% to 90% |
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Speed, in pages per | 50 ppm (HP LaserJet 9050 series |
minute (ppm) | printer) or 40 ppm (HP LaserJet 9040 |
| series printer) |
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Expandable memory | Up to 512 MB total, using optional |
| accessory memory DDR DIMMs |
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164 Appendix A Specifications | ENWW |