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Noise emissions while printing

CriterionId
11339:1
Level
Core
Type
Technical specification
Criterion text

The imaging equipment must meet the requirements regarding noise levels in operating mode, described in Blue Angel (the German Ecolabel), Office Equipment with Printing Function DE-UZ 205 (2017) or DE-UZ 219 (2021), section 3.51.

The stated A-weighted sound power level, LWAd, must be tested according to ISO 7779. The sound power level shall not exceed the limit value according to the following formula:

LWA,lim = 47 + 15 * lg ( SM/F + 10) dB

SM = page throughput in monochrome mode
SF = page throughput in colour mode

The stated A-weighted sound power level, LWAd, is calculated as follows:
LWAd =LWA1 + 3.0 dB

1Note that the calculation formula in DE-UZ 219 has been changed and made more stricter.

Envrinmental Goals
Agenda 2030
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