HP LaserJet 4050 Printer series - Manual (Page 197)

EN
Specifications A-17
Acoustic Emissions (Per ISO 9296)
General Specifications
* You might want to install printers with sound power Lwad>=6.3 bels (A) or more in a
separate room or cubicle.
Printer State Sound Power*
Printing, 17 pages per minute (ppm) L
wad
= 6.6 bels (A)
Printing, 8 ppm L
wad
= 6.2 bels (A)
PowerSave L
wad
= 0 bels (A)
Operating temperature 50-91 ° F (10-32 ° C)
Relative Humidity 20-80%
Speed, in pages per minute (ppm)
Up to 17 ppm, letter size paper.
Up to 16 ppm, A4 size paper.
Expandable Memory Up to 200 MB total, combining
standard and accessory memory
DIMMs.