HP LaserJet 3055 - Manual (Page 398)

Acoustic emissions
Table C-5 Acoustic emissions (HP LaserJet 3050 all-in-one)
Sound Power Level Declared per ISO 9296 1
Printing (18 ppm) L
WAd
= 6.3 Bels (A) [63 dB (A)]
Ready Essentially Inaudible
Sound Pressure Level - Bystander Position Declared per ISO 9296 1
Printing (18 ppm) L
pAm
= 49 dB(A)
Ready Essentially Inaudible
1 Acoustic values are subject to change. See www.hp.com/support/lj3050 for current information.
2 Configuration tested: HP LaserJet 3050 all-in-one, A10, A4
3 HP LaserJet 3050 all-in-one speed is 19 ppm letter-size and 18 ppm A4-size.
Table C-6 Acoustic emissions (HP LaserJet 3052/3055 all-in-one)
Sound Power Level Declared per ISO 9296 1
Printing (18 ppm) L
WAd
= 6.3 Bels (A) [63 dB (A)]
Ready Essentially Inaudible
Sound Pressure Level - Bystander Position Declared per ISO 9296 1
Printing (18 ppm) L
pAm
= 50 dB(A)
Ready Essentially Inaudible
1 Acoustic values are subject to change. See www.hp.com/support/lj3052 and www.hp.com/support/lj3055 for current
information.
2 Configuration tested: HP LaserJet 3055 all-in-one, A10, A4
3 HP LaserJet 3052/3055 all-in-one speed is 19 ppm letter-size and 18 ppm A4-size.
Table C-7 Acoustic emissions (HP LaserJet 3390/3392 all-in-one)
Sound Power Level Declared per ISO 9296 1
Printing (22 ppm) L
WAd
= 6.3 Bels (A) [63 dB (A)]
Ready L
WAd
= 5.6 Bels (A) [56 dB (A)]
Sound Pressure Level - Bystander Position Declared per ISO 9296 1
Printing (22 ppm) L
pAm
= 49 dB(A)
Ready Essentially Inaudible
1 Acoustic values are subject to change. See www.hp.com/support/lj3390 and www.hp.com/support/lj3392 for current
information.
2 Configuration tested: HP LaserJet 3392 all-in-one, A4
3 HP LaserJet 3390/3392 all-in-one speed is 22 ppm letter-size and 21 ppm A4-size.
380 Appendix C All-in-one specifications ENWW