HP LaserJet 4200 Series - Page 23

Table 1-19 Sound power and pressure level
1
, HP LaserJet 4250
2
Sound power level Declared per ISO 9296
Printing
3
(HP LaserJet 4250) L
WAd
= 6.9 Bels (A) [69 dB(A)]
Ready (HP LaserJet 4250)
L
WAd
= 4.0 Bels (A) [40 dB(A)]
Sound pressure level Declared per ISO 9296
Printing
3
(HP LaserJet 4250) L
pAm
= 55 dB (A)
Ready (HP LaserJet 4250)
L
pAm
= 26 dB (A)
1
Values subject to change. See http://www.hp.com/support/
lj4250 for current information.
2
Configuration tested (HP LaserJet 4250): Base printer,
simplex printing with A4 paper size.
3
HP LaserJet 4250 speed is 43 ppm for A4 size.
Table 1-20 Sound power and pressure level
1
, HP LaserJet 4300
2
Sound power level Declared per ISO 9296
Printing
3
(HP LaserJet 4300) L
WAd
= 7.0 Bels (A) [71 dB(A)]
Ready (HP LaserJet 4300)
L
WAd
= 4 Bels (A) [38 dB(A)]
Sound pressure level Declared per ISO 9296
Printing
3
(HP LaserJet 4300)
L
pAm
= 56 dB (A)
Ready (HP LaserJet 4300)
L
pAm
= 27 dB (A)
1
Values subject to change. See http://www.hp.com/support/
lj4300 for current information.
2
Configuration tested (HP LaserJet 4300): Base printer,
simplex printing with A4 paper size.
3
HP LaserJet 4300 speed is 45 ppm for A4 size.
Table 1-21 Sound power and pressure level
1
, HP LaserJet 4350
2
Sound power level Declared per ISO 9296
Printing
3
(HP LaserJet 4350)
L
WAd
= 7.1 Bels (A) [71 dB(A)]
Ready (HP LaserJet 4350)
L
WAd
= 3.8 Bels (A) [38 dB(A)]
Sound pressure level Declared per ISO 9296
Printing
3
(HP LaserJet 4350)
L
pAm
= 57 dB (A)
Ready (HP LaserJet 4350)
L
pAm
= 26 dB (A)
1
Values subject to change. See http://www.hp.com/support/
lj4350 for current information.
2
Configuration tested (HP LaserJet 4350): Base printer,
simplex printing with A4 paper size.
3
HP LaserJet 4350 speed is 52 ppm for A4 size.
Specifications 23