Re: Gutenprint and Epson Pro 7900

Great. Thanks for your help!


> Den 15. jan. 2021 kl. 23.22 skrev Robert Krawitz <[email protected]>:
> 
> On 1/15/21 5:10 PM, Ronald Jensen wrote:
>> Thanks! Actually I just did some testing at home with my R2400. Awesome software. Very easy to use. With a little help from my older Debian brother 'Dr. Jones'.
>> 
>> I am looking so much forward to do some hacking on the big machine.. 
>> 
>> Thank you for responding!
> 
> (please reply-all)
> 
> To track down what you need to edit:
> 
> I'm not sure where the .xml files live on OS X; on Linux they usually live in
> /usr/share/gutenprint/5.2/xml.  Anyway, once you find those:
> 
> * First, look for the model number in xml/printers/escp2.xml.  You'll find this definition:
> 
>      <printer translate="name" name="Epson Stylus Pro 7900"
> deviceid="MFG:EPSON;CMD:ESCPL2,BDC,D4,D4PX;MDL:Stylus Pro 7900;CLS:PRINTER;DES:EPSON Stylus Pro
> 7900;" driver="escp2-7900" manufacturer="Epson" model="116" parameters="standard_params" />
> 
> That indicates that it's model 116.
> 
> * Next, look in xml/escp2/models/model_116.xml.  You'll find:
> 
> <escp2Model id="116" base="escp2/model/base/pro_ultrachrome_k3v10.xml">
> 
> * So, look there:
> 
> The important thing here is the inks:
> 
> <inkGroup src="escp2/inks/pro_ultrachrome_k3v10.xml"/>
> 
> Looking in that file, you'll find definitions like this:
> 
>    <subchannel color="0" subchannel="0" name="Black" text="Black" translate="text">
> 
> It looks like I also found the right channel numbers for orange and green:
> 
>    <subchannel color="10" name="Orange" text="Orange" translate="text">
> 
> and
> 
>    <subchannel color="11" name="Green" text="Green" translate="text">
> 
> So whichever physical channel you put the black in, replace the
> 
> color="0"
> 
> with
> 
> color="10" (or 11)
> 
> and do it for all of the definitions in that file.  That *should* get you where you want to be.
> 
>>> Den 15. jan. 2021 kl. 22.53 skrev Robert Krawitz <[email protected]>:
>>> 
>>> On 1/15/21 12:15 PM, Walker Blackwell wrote:
>>>> Yes, you can do this in model XML file for the printer. These live inside of the /Library/Printers/
>>>> gutenprint and deep inside those folders in MacOS. I /think/ you can do this live (aka,
>>>> just changing the XMLs) it’s been a while since I did this though.
>>> 
>>> Yes, it can be done on the fly.
>>> 
>>>>> On Jan 15, 2021, at 7:38 AM, Ronald Jensen <[email protected] <mailto:[email protected]>> wrote:
>>>>> 
>>>>> Hello,
>>>>> 
>>>>> My brother is a Debian developer and he recommended me to use your Gutenprint software in my
>>>>> attempts to use my Epson Pro 7900 printer.
>>>>> 
>>>>> The black channel on the printhead is dead, so what I need is some kind of software that can
>>>>> ‘trick’ the printer to be using the green or orange channel for black.
>>>>> 
>>>>> Is that possible with your software?
>>>>> 
>>>>> If so, should I be installing CUPS to do so?
>>>>> 
>>>>> I am using Mac OS X
>>>>> 
>>>>> Best regards,
>>>>> 
>>>>> Ronald
>> 
> 



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