Homebrew PCBs

HI Carl,

THANKS!  That's what I was looking for!

Alan  KM6VV

> On Behalf Of Henry Carl Ott
> Subject: RE: [Homebrew_PCBs] Re: HP LaserJet Series II
> 
> At 12:38 PM 3/22/2006, you wrote:
> >Hi Carl,
> >
> >Do you by chance know what a "50" error code would be for an HP LaserJet
> >Series II?  I have a printer in really good shape that I'd like to get
> going
> >again.  Or maybe you've discovered a service manual URL?
> >
> >I've taken apart a few HP printers in that series, so I HAVE some parts!
> >
> >Thanks,
> >
> >Alan  KM6VV
> 
> 
> There are a lot of resources online:
> I always used these guys:
> http://www.all-laser.com/
> But the link on their page to the 50 error seems broken.
> another link
> http://www.repairfaq.org/samnew/printfaq/pcfljiiiec50.htm
> 
> 
> If I remember correctly error 50 is exactly what I mentioned in my last
> post.
> 95% of the time, the triac that power the fuser lamp in the power control
> module (the cube where ac comes into the printer) is blown. Remove the
> screws around the module and it just unplugs from the printer base. You do
> have to remove the printer cover first.
> 
>   You can replace the triac with almost any sensitive gate triac that has
> the volts and amp rating. I've  been known to buy the highest voltage
> to-220  package triac that radio shack had on the shelf for an emergency
> repair. That printer is probably still working.
> 
> If you have spare parts, try just swapping the power cube and see if the
> problem goes away. Then you can take your time fixing the module.
> 
> -carl
>