HP (Hewlett-Packard) 9050MFP User Manual

ENWW

Environmental specifications 191

Configuration tested: Base unit printing and scanning continuous with ADF on A4 paper at 49 ppm 
(HP LaserJet 9050mfp) and 39 ppm (HP LaserJet 9040mfp) with no output device.

Declared per 
ISO 9296

a

HP LaserJet 9050mfp

Sound power level

Printing/copying 
(49 ppm)

L

WAd

 = 7.4 Bels (A)

[74 dB (A)]

Ready

L

WAd

 = 5.7 Bels (A)

[57 dB(A)]
or essentially inaudible

Sound pressure level
(Bystander position)

Printing/copying 
(49 ppm)

L

pAm

 = 58 dB(A)

Ready

L

pAm

 = 39 dB(A)

or essentially inaudible

HP LaserJet 9040mfp

Sound power level

Printing/copying 
(39 ppm)

L

WAd

 = 7.4 Bels (A)

[74 dB(A)]

Ready

L

WAd

 = 5.7 Bels (A)

[57 dB(A)]
or essentially inaudible

Sound pressure level
(Bystander position)

Printing/copying 
(39 ppm)

L

pAm

 = 58 dB(A)

Ready

L

pAm

 = 39 dB(A)

or essentially inaudible

a.Values current as of March 2, 2004. Values subject to change, see 

 or 

 for current information.