Digital BW, The Print

Thankfully no. I can just reach in with my hand and free the head in 
about 5 seconds.

With the head returned to the right then turned off and unplugged, 
look at the bottom left side of printhead. The peg sticks up near the 
front left corner at bottom  of printhead as you face it. If you are 
dexterious press it down with your finger and grab the cart and move 
it left at the same time. If you have larger hands, use a screwdriver 
to press it down.

After you drag the head back right the peg will not pop up so you have 
to plug back in and turn on to get it to reappear.

BTW, I am not going to guarantee that this method works 100%, it was 
just the method descibed to me by Bob Zeiss at MIS. It did however get 
me out of trouble after I had done your method and blown the chips. I 
would also install new chips, don't trust the old ones.
Jim H.




--- In DigitalBlackandWhiteThePrint@y..., Bill Agee <billagee@r...> 
wrote:
> Jim,
> 
> Thanks so much for the detailed explanation.  I was not doing it the 
> way you are suggesting and will give it a go.  I didn't know about 
> the buffer memory problem....My only point of confusion is I don't 
> see any white post to depress.  Do I have to remove the screws 
> holding down the top cover to get to it?
> 
> 
> Bill Agee
> 
> 
> 
> At 3:21 PM +0000 10/24/02, jim hayes wrote:
> >--- In DigitalBlackandWhiteThePrint@y..., Bill Agee <billagee@r...>
> >wrote:
> >
> >>
> >>  Any suggestions would be helpful.  I have tried pulling the plug
> >>  while the head is on the left side and being loaded, just to 
avoid
> >>  any shorting out of the chip...doesn't seem to make any 
difference
> >>  one way or another.
> >>
> >>  feeling electronically challenged tonight,
> >>
> >>  Bill Agee
> >>  --
> >
> >The procedure that Bob Zeiss outlined to me was to first turn 
printer
> >off with the off button. Unplug printer. Then push down on white 
post
> >locking the head and slide it by hand to the left. Install cart. 
Slide
> >by hand back to right. Plug in. Turn on.
> >
> >I was afraid to mess with the white post at first so I did what you
> >did...send the printhead over to left under power and simply 
unplug. I
> >also blew out a set of chips or two this way. When I did it exactly 
as
> >Bob had outlined it above, I can't say I had 100% sucess, but it
> >seemed more reliable.
> >
> >The other thing I do is use a static wrist strap when I install 
chips.
> >And Bob says only to use finger presure to press them on as the 
small
> >board may otherwise be mechanically stressed. The holes on the 
newer
> >chips are enlarged a bit so they fit on the pegs better than they 
did
> >six months ago. If the chip is too loose however, it should either 
be
> >glued on or not used. I have had problems with glue coming close to
> >messing up the printer contacts, so I avoid it.
> >
> >I use the QB7 chip resetter which allows me to reset the chip after 
I
> >have pressed it on with my finger. Other resetters reset the chip
> >before it is installed which I don't like. From the time I install 
the
> >chip to when the cart is put in printer, I also try to keep the 
chip
> >from getting close to sources of static charge like plastic bags, 
etc.
> >Putting cart in a anti-static bag is a neat idea.
> >
> >And some chips are just plain DOA, so I keep extras around and 
order
> >free replacements when I find one.
> >
> >Also, reading the instruction sheet for the f-16 chip resetter is
> >instructional. Although it deals with another kind of resetter
> >entirely, it talks about turning printer off and unplugging for one
> >minute and trying a reset again. Apparently there is memory 
retension
> >in the printer buffer which needs up to a minute to clear itself 
with
> >power unplugged.
> >
> >BTW it's not "shorting" of the chip AFAIK. It's the fact that the
> >printer has a buffer memory of the last chip it had in it. When a 
new
> >chip is in suddenly it doesn't match and the buffer on the printer 
and
> >the buffer on the chip get confused...the chip memory permanently. 
The
> >printer than has to have it's memory cleared by being turned off 
FIRST
> >and then possibly unplugging for up to a minute. This does not seem 
to
> >be as big a problem with an Epson cart, I can usually just pop them 
in
> >under power. I've speculated on installing the chips off real Epson
> >carts on the MIS carts and seeing how they work, but I have to use 
up
> >a cart first<g>.
> >
> >There is one situation where it is a physical electrical contact
> >problem and not a buffer data problem...if cart is not firmly 
seated
> >within 1/32 inch, it also causes a red light problem.
> >Jim H.
> >
> >
> >
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> -- 
> 
> bill agee studio
> capistrano beach, ca / laguna beach, ca
> 
> http://www.redsilver.com