Homebrew PCBs

I now have two ink jet printers to use for experimenting on this 
process, but I have to pick one.  I have an Espon Stylus 850 and a 
Lexmark 3200.  

It does appear the Lexmark might be easier to modify for PCB printing 
mechanically.  But as for the MIS inks, I have no idea if it will even 
be able to use them.  If anyone knows, I would appreciate it if you 
could let me know too!

Chris

I think the lexmark is thermal inkjet, go with epson.

ST

On Mon, 24 Apr 2006 15:10:16 +0200, lcdpublishing  
<lcdpublishing@...> wrote:

> I now have two ink jet printers to use for experimenting on this
>
> process, but I have to pick one.  I have an Espon Stylus 850 and a
>
> Lexmark 3200.
>
>
> It does appear the Lexmark might be easier to modify for PCB printing
>
> mechanically.  But as for the MIS inks, I have no idea if it will even
>
> be able to use them.  If anyone knows, I would appreciate it if you
>
> could let me know too!
>
>
> Chris
>

Hi Chris,

The Lexmark ink cartidges do not use the piezo pump
technlogy like the Epsons. but rather the thermal jet
design. Withnin the printhead in the cartridges are
resisitors that vaporize a small portion of the ink to
push a drop out of the cartridge.

Having said all that, it would be worth testing the
MIS ink on a used cartidge first, before modifying the
printer. 

There are pigment type ink refill kits for the
Lexmark, so perhaps the ink will not clog the jets?

I would think chances are slim that it will work, but
we all said that about inkjet printing directly to the
pcbs a few weeks ago.

TANSTAAFL!

Myc


--- lcdpublishing <lcdpublishing@...> wrote:

> I now have two ink jet printers to use for
> experimenting on this 
> process, but I have to pick one.  I have an Espon
> Stylus 850 and a 
> Lexmark 3200.  
> 
> It does appear the Lexmark might be easier to modify
> for PCB printing 
> mechanically.  But as for the MIS inks, I have no
> idea if it will even 
> be able to use them.  If anyone knows, I would
> appreciate it if you 
> could let me know too!
> 
> Chris
> 
> 
> 
> 
> 
> 


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--- In Homebrew_PCBs@yahoogroups.com, "lcdpublishing"
<lcdpublishing@...> wrote:
>
> I now have two ink jet printers to use for experimenting on this 
> process, but I have to pick one.  I have an Espon Stylus 850 and a 
> Lexmark 3200.  
> 
> It does appear the Lexmark might be easier to modify for PCB printing 
> mechanically.  But as for the MIS inks, I have no idea if it will even 
> be able to use them.  If anyone knows, I would appreciate it if you 
> could let me know too!

Use the Epson 850.

The Lexmark is bubblejet aka thermal inkjet and the MIS pigmented inks
will NOT work in it.

To clarify: only the black will be pigmented for the Lexmark and HP.

See here:
http://www.inksupply.com/inks.cfm

Steve Greenfield

--- In Homebrew_PCBs@yahoogroups.com, Mycroft2152 <mycroft2152@...> wrote:
>
> Hi Chris,
> 
> The Lexmark ink cartidges do not use the piezo pump
> technlogy like the Epsons. but rather the thermal jet
> design. Withnin the printhead in the cartridges are
> resisitors that vaporize a small portion of the ink to
> push a drop out of the cartridge.
> 
> Having said all that, it would be worth testing the
> MIS ink on a used cartidge first, before modifying the
> printer. 
> 
> There are pigment type ink refill kits for the
> Lexmark, so perhaps the ink will not clog the jets?

You are either seeing a kit with pigmented black and dye colors, or
confusing "archival" with pigmented. Archival is used as a marketing
term and has no real meaning.

However, there is that pigmented black in the Lexmark and HP
printers... perhaps that is worth testing.

Also, some HP printers use the same print heads only with different
inks for the color heads. Those might be a candidate for loading all
with HP pigmented inks.

Argh, I wish I had time for testing! I have some HP printers here with
OEM ink, and a Novajet III (needs a belt) with all four colors
pigmented (it uses the HP 44 print head for all four colors).

Steve Greenfield

I just got my paper thin circuit boards off ebay, and plan on doing some tests 
with HP ink tomorrow. these boards are actually very flexible as well, and I 
suspect I will have no problem with the 180 degree paper path. I don't want 
to modify my old HP, and waste money on new cartridges for it (Cyan and 
Yellow don't print on it at all for some reason other than the cartridge)

On Monday 24 April 2006 10:43, Steve wrote:
>  --- In Homebrew_PCBs@yahoogroups.com, Mycroft2152 <mycroft2152@...> wrote:
>  > Hi Chris,
>  >
>  > The Lexmark ink cartidges do not use the piezo pump
>  > technlogy like the Epsons. but rather the thermal jet
>  > design. Withnin the printhead in the cartridges are
>  > resisitors that vaporize a small portion of the ink to
>  > push a drop out of the cartridge.
>  >
>  > Having said all that, it would be worth testing the
>  > MIS ink on a used cartidge first, before modifying the
>  > printer.
>  >
>  > There are pigment type ink refill kits for the
>  > Lexmark, so perhaps the ink will not clog the jets?
>
>  You are either seeing a kit with pigmented black and dye colors, or
>  confusing "archival" with pigmented. Archival is used as a marketing
>  term and has no real meaning.
>
>  However, there is that pigmented black in the Lexmark and HP
>  printers... perhaps that is worth testing.
>
>  Also, some HP printers use the same print heads only with different
>  inks for the color heads. Those might be a candidate for loading all
>  with HP pigmented inks.
>
>  Argh, I wish I had time for testing! I have some HP printers here with
>  OEM ink, and a Novajet III (needs a belt) with all four colors
>  pigmented (it uses the HP 44 print head for all four colors).
>
>  Steve Greenfield
>
>
>
>
>
>   Be sure to visit the group home and check for new Links, Files, and
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>
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>
>
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> Message transport security by GatewayDefender
> 10:44:29 AM ET - 4/24/2006

Thanks guys!  The 850 it is then.  Later today or tonight I will begin 
the process of deeper investigation to see how good or bad it will be 
for conversion to print on PCBs.  I should be getting the ink in a 
couple of days so I am hoping by next weekend I will be able to do 
some testing and experimenting.

Posted another topic on this whole conversion thing that I believe 
will be a critical element in it all.

Chris

Well, at least we know if we are too stupid to make it work we have  
someone who will manage eventually ;-)

I'm not even sure using a HP is that desireable. The disposable heads on  
some bubblejets are not that desireable for me, seeing that i can buy  
another epson for less than a new cartridge with head.

Anyway, i'll stick with the most likely chance for now, and that is a  
epson.

ST

On Mon, 24 Apr 2006 16:43:46 +0200, Steve <alienrelics@...> wrote:

> You are either seeing a kit with pigmented black and dye colors, or
>
> confusing "archival" with pigmented. Archival is used as a marketing
>
> term and has no real meaning.
>
>
> However, there is that pigmented black in the Lexmark and HP
>
> printers... perhaps that is worth testing.
>
>
> Also, some HP printers use the same print heads only with different
>
> inks for the color heads. Those might be a candidate for loading all
>
> with HP pigmented inks.
>
>
> Argh, I wish I had time for testing! I have some HP printers here with
>
> OEM ink, and a Novajet III (needs a belt) with all four colors
>
> pigmented (it uses the HP 44 print head for all four colors).
>
>
> Steve Greenfield