Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "Vlad Krupin" <vlad.cnc@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Friday, February 24, 2006 5:42 PM
Subject: Re: [Homebrew_PCBs] Re: Photolithography - resolution


> FWIW,
>
> Recently I noticed that the toner in my laserjet printer is probably
> running
> low, so the images are not as dark as they used to be a few years ago. I
> took out the cartrige, gently tilted and shook it from side to side,
> cleaned
> the roller, put it back, and printed a blank page (shaking disturbs the
> toner so on the first page it sticks to places where it should not be).
> After that the next few pages come out blacker than before.
>
> This may not be your problem, and I should probably just buy a new
> cartrige,
> but I wanted to share this little observation with the rest of the group.
> It
> makes quite a difference on my printer, so it may help somebody else as
> well.

That's a well-known trick, I also used to do it at work whenever cartridges
were running out.

Leon