apple plw nt power spikes

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2 total messages Started by lou Tue, 30 Apr 1991 20:45

#588

Author: lou
Date: Tue, 30 Apr 1991 20:45

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Please forgive me if this is a repeat.  I got some bounced mail from
my first posting that leads me to think it got scrozzled somehow...

This post was prompted by a previous post on laser writers having
spikes in power use.  I have had experience with an Apple Personal
Laser Writer NT that causes lights on the same circuit to dim for a
fraction of a second every few seconds when it is on, as if it is
pulling a fairly large current (but not enough to trip the 10 amp fuse
on my surge-protector).

Is this normal?

Thanks.

--
					Lou Steinberg

uucp:   {pretty much any major site}!rutgers!aramis.rutgers.edu!lou 
internet:   lou@cs.rutgers.edu

Re: apple plw nt power spikes

#603

Author: Terry Jones
Date: Fri, 03 May 1991 16:41

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>Laser Writer NT that causes lights on the same circuit to dim for a
>fraction of a second every few seconds when it is on, as if it is
>
>Is this normal?

Yes this is normal. There is a heater inside the fuser roller. (The fuser
roller melts the toner (which is plastic) onto the paper) I have seen what
you describe (lights dim) but generally only in buildings where the wiring
is less than ideal. I have even had to move the laser printer to a differnt
circuit sometimes when it causes computer crashes because of spikes. This
again was in locations where wiring was completely inadequate. Something
about computer installations in buildings that are >100 years old that 
always causes problems.

tj

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