Panasonic KXP4400 - CHNG DRUM U27

From: Philip Pemberton <>
Date: Sat Jul 27 17:35:01 2002

"Sellam Ismail" <> said:
> On Sat, 27 Jul 2002, Philip Pemberton wrote:
> > My prized laser printer, a Panasonic KXP4400, has just decided that
> > the drum needs changing. I've put it into Service Mode and the drum
> > pagecounter is only 2800; the drum is supposed to last 6000 sheets. I've
> > come to the conclusion that the printer thinks the waste toner tank on
> > the side of the OPC mech needs replacing. The OPC drum (the green
> > roller) is fine; it's been printing OK for a while. Anyone know how to
> > remove and empty the waste toner tank? To put it bluntly, I'm too cheap
> > to buy a ?70 OPC drum when all that's wrong with the one I've got is a
> > full waste toner tank!
> We used one of these extensively at the company I used to work for,
> printing telephone service invoices. It was a very reliable printer.
That's good to hear. Are they as reliable as a HP LJ-II?

> At any rate, Marilynn, our office manager, used to just dump the waste
> toner out of the collector bucket. It never seemed to adversely affect
> the printer, even though you're not supposed to do that.
I couldn't get the collector buchet off - only one screw on that side, took
it out and it wouldn't pop off. So I pried it apart slightly and shook the
junk into a sheet of newspaper. The green OPC drum was wrapped in a bin
liner for protection and light proofing. Put it this way - I'll spend ?40 on
four toner cartridges but I'm not going to spend ?75 on an OPC drum module.

> I had two of these (the one from the office and another one I picked up
> subsquently). I just got rid of one I believe as I have no more use for
> it since I got my very nice Xerox XD125f. I still have the other one but
> its fate is nearly decided.
Damn... Could have used it as a parts machine...

> If you weren't all the way over in Jolly Olde England I would send you the
> one I still have for parts.
Double DAMN!!!!
Aparrently the 4400 has a "Life Over" error message - page count hits a
certain number and the printer stops working. Period. Only way back is an
E2PROM dump from a working machine. Knock the pagecount back to 00000 and
the drum pagecount back to 00000 and that should sort the thing out. An evil
hack but it should work. In theory.
Does your one remaining KXP4400 have a RAM upgrade fitted? I need one for
mine. 1MB is not enough for the sort of printing I do, Panasonic want $400
for a 4MB board and most companies over "the Big Pond" don't have any left

Received on Sat Jul 27 2002 - 17:35:01 BST

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