HP Laserjet Series II

From: John Amirault <amirault_at_epix.net>
Date: Wed Dec 2 10:28:18 1998

Frank,
     Thanks for teaching me about this. I am glad people respond to these letters
of mine. I am always open to being told a better way of doing something.
                     John Amirault

Frank McConnell wrote:

> John Amirault <amirault_at_epix.net> wrote:
> > How old are the machines? When is the last time they were CLEANED? I am no
> > genius but the idea of CLEANING the rollers is, to me, a good one. Hope this
> > suggustion helps you.
>
> Cleaning helps -- if the rollers have picked up dirt it will make it
> harder for them to pick up paper. But the fundamental problem is
> that rubber ages and gets hard.
>
> Once upon a time (mid-1980s) some of the HP CEs used to carry an
> aromatic fluid they called "Fedron" which was good for restoring the
> gumminess of hard rubber rollers. I saw them use it on 2601 (Diablo
> 630) platen rollers and the little roller in the 2619 chain printer (a
> Dataproducts something) that drives one of the paper-jam detectors
> (roller not turning => paper not moving => paper jam, and when this
> one got hard enough that the paper just slid over it without turning
> it you got one frustrated computer operator).
>
> Is this stuff still available, or did it get banned because it's bad
> for the ozone layer?
>
> Not sure it would work for LJ II pickup rollers, they're a softer
> rubber. Nor am I sure what the fluid did, for all I know it stripped
> off a layer of the rubber.
>
> -Frank McConnell
Received on Wed Dec 02 1998 - 10:28:18 GMT