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EPSON AMERICA, INC.
Product Support Bulletin
Subject:
Quick Reference for Printer Acoustic Noise Levels
Date: 6/5/91
Page(s): 1 of 2
Sound intensity is measured in units called Bels (named after Alexander Graham Bell,)
or more commonly in tenths of this fundamental unit: decibels. In making noise
measurements a weighting network is applied in an attempt to match the frequency
response of the instrument to that of the human ear. The most common is the A
weighting network, with resulting measurements expressed in dB(A).
The following is a list of current product's noise levels tested in accordance with
standards set by the International Standards Organization (ISO). The acoustic noise
levels for the 9 pin printers are averages while printing in Near Letter Quality (NLQ)
mode using continuous paper and are not guaranteed figures. The acoustic noise
levels for the 24 pin printers are averages while printing in Letter Quality (LQ) mode
using continuous paper and are not guaranteed figures. The acoustic noise levels for
the laser printers are averages while using single sheet paper and are not guaranteed
figures.
9 PIN PRINTERS
MODEL
IX-81 0
FX-850
FX-1050
I I
DFX-5000
I
I I
DFX-8000
I
24 PIN PRINTERS
LQ-510
LQ-1010
LQ-850
PSB No:
P-0016D
Originator: SLS
56 dB(A)
II
56 dB(A)
56 dB(A)
55 dB(A)
55 dB(A)
II
56 dB(A)
56 dB(A)
56
dB(A)
EPSON