[rescue] Tektronix Phaser 840 plus

Andrew Weiss ajwdsp at cloud9.net
Thu Jun 17 22:37:36 CDT 2004

On Jun 17, 2004, at 10:24 AM, Ethan O'Toole wrote:
> A black and white laser printer is probably the most economical 
> printer to
> run.
> To be honest, I got like 28 expired ink carts that fit my designjet
> plotter from a chick on eBay for something like 35 dollars. It makes
> plotting out stupid things possible, without worry about costs.
> I got the set of tektronix colorstix to test the phaser 340 for $25 on
> eBay, one of each color. Maybe two black ones, don't remember. Ebay is 
> the
> source for economical stix, if you have a printer that prints right.
> There is *some* information on fixing them, but I think they expect 
> you to
> have an adjustable vacume pump with a wax trap thing in order to suck 
> the
> crusted wax chunk outta the head or some such.
No you need a vacuum gauge.  The pump is built into the printer.  The 
most common failures on these printers are bad cap/wipe gaskets (which 
cause clogged nozzles, and other printing problems because of no clean 
cycle), notched lift pins on the drum maintenance drawer... causing 
buildup of ink on the drum and a tearing sound as the paper exits, bad 
drum maintenance clutches (causing frequent jams with no paper 
present), and occasional y-axis problems including belt tension which 
make the printer sound like a chain saw.

I have service manuals if people need them.


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