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Subject: Re: Direct Laser Printing on the cheap

From: "sentientnz" <sentientnz@...>
Date: 2010-09-18

I actually thought I was looking for a 5n when I went digging in the cupboard - was a little surprised to find it was a 2200.

The 5n appears to be pretty similar so I can't see why it shouldn't work.

My 2200 cannot be used for paper for 2 reasons...
1) In figuring out how to make it work, I destroyed the bypass feed roll clutch, so I had to remove it.

2) Reducing the pressure on the registration roll will prevent it from feeding paper - regi roll is used for both bypass and cassette (Tray 1).

3) I had to remove a tin guide from between the regi roll and the drum to make the paperpath straighter.. normal paper will jam now, assuming it could get this far.


At the moment, I am trying to modify a fuser from a Xerox production machine to use like a laminator, but once I figure it out / give up I will get the camera out.


With regards to the regi roll pressure, I only had to remove the springs and replace them with lighter ones because I don't use the bypass feed roll - so I can push the PCB directly into the registration assembly to start the feed.

The same with the transfer roll.. I removed the spring from underneath, and clipped them in half, then reinstalled. This reduces the pressure significantly and allows the regi rollers to 'push' the pcb through between the drum and transfer roll.


--- In Homebrew_PCBs@yahoogroups.com, Andrew Leech <coronasensei@...> wrote:
>
> That's amazing news, thanks for the heads up. I've got a laserjet 5n which
> appears to be a pretty similar form factor. Does the 2200 have the fold down
> paper entry on the front that you're sending the pcb in on?
> Do you have any photos or anything on how you reduced the pressure on
> rollers etc? any more info would be wonderful, as I would love to try
> especially if I could do it in such a way as to be able to still print onto
> paper!
>
> Cheers,
> Andrew
>