Table 1-7. Acoustic Emissions 1. Printer System includes the 2000-sheet Input Tray (Tray 4) or 2 x 500-sheet Input Tray (Trays 4 and 5), 8-bin Mailbox/ Mailbox with Stapler, Duplexer, and Envelope Feeder. 10 Chapter 1 Product Information C4085-91087 Operation position (per ISO 9296) Printing LPA dB(A) Standby LPA dB(A) Printer Printer (stand-alone) System1 54 db 56 db 42 db 42 db Bystander 1m (per ISO 9296) Printing LPA dB(A) Standby LPA dB(A) 50 db 55 db 38 db 42 db Sound Power (per ISO 9296) Printing LWAD Standby LWAD 6.6 bels (A) 7.1 bels (A) 5.5 bels (A) 5.5 bels (A)