Re: Laser printer draws current in a spike, what for?

From: Bob Masta (NoSpam_at_daqarta.com)
Date: 08/30/04 

Date: Mon, 30 Aug 2004 13:21:57 GMT

On Mon, 30 Aug 2004 09:34:55 +0100, John Woodgate
<jmw@jmwa.demon.contraspam.yuk> wrote:

>
>A laser printer sold in Europe must conform to EN 61000-3-2 and -3. The
>former is concerned (indirectly) with limiting the peak pulse current,
>cycle by cycle, while the latter is concerned with limiting flicker. But
>you'd need to run it from 240 V - either directly or with 120:240
>transformer. The frequency doesn't matter.
>
>According to US sources, problems such as you report never occur, and
>they don't need to implement the IEC versions of those ENs as US
>standards. So you are actually just imagining the flicker. (;-)
>--

I've got a Brother HL-1440 that also causes me to imagine the
lights are flickering. ;-)

Bob Masta
dqatechATdaqartaDOTcom
 
            D A Q A R T A
Data AcQuisition And Real-Time Analysis
           www.daqarta.com

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