Table 1-8 Acoustic Emissions * Printer System includes the 2000-Sheet Input Unit, Multi-Bin Mailbox/Mailbox With Stapler, Duplex Unit, and Envelope Feeder. 1-10 Product Information Operation position (per ISO 9296) Printing LPA dB(A) Standby LPA dB(A) Printer (stand alone) 54 db 42 db Printer System* 56 db 42 db Bystander 1m (per ISO 9296) Printing LPA dB(A) Standby LPA dB(A) 50 db 38 db 55 db 42 db Sound Power (per ISO 9296) Printing LWAD Standby LWAD 6.6 bels (A) 5.5 bels (A) 7.1 bels (A) 5.5 bels (A)