Homebrew PCBs

----- Original Message ----- 
From: "P" <apache2000_nl@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Friday, January 25, 2008 4:29 PM
Subject: [Homebrew_PCBs] HP Laserjet 4P darker printout


> Hello all,
>
> I have a question : I recently bought a secondhand Laserjet 4P to make
> my own artwork.
> Besides the fact that the printer doesn't print that black (with a new
> tonerkit) it also prints irregular traces (small bits missing).
> On my former job we also used a laserjet 4P. Printing always went great
> on heavy tracing paper).
>
> I have tried several types of transparants. (overhead and tracing
> paper) but I can't get any good results no mather what I do in the
> driver menu or printermenu.
>
> Is it possible that I have to clean the printer? Or is there a
> possibility (potentiometer or simular) on the printer to increase the
> amount of toner?

Perhaps the printer is faulty, I used to get quite good results with a 4P. 
Ink jets are *much* better, if the correct medium is used.

Leon