Re: Gutenprint and Epson Pro 7900

I just checked both in CUPS interface and in the printer settings.

I am using this PPD: Epson Stylus Pro 7900 - CUPS+Gutenprint v5.3.3


> Den 19. jan. 2021 kl. 01.30 skrev Robert Krawitz <[email protected]>:
> 
> On 1/18/21 5:55 PM, Ronald Jensen wrote:
>> I am using the Gutenprint PPD that shows as an option when I add the printer in System Preferences.
>> 
>> I tried editing the "escp2/model/base/pro_ultrachrome_k3v10.xml”, which is supposedly the correct
>> file for the Pro 7900 and I tried rebooting and reconfiguring. 
>> 
>> I also tried the same with the other versions A and B of that same XML file.
> 
> What does the PPD file list as the model number internally (sorry, I don't know where it's installed
> in OS X)?
> 
>>> Den 18. jan. 2021 kl. 18.23 skrev Robert Krawitz <[email protected] <mailto:[email protected]>>:
>>> 
>>> On 1/18/21 11:38 AM, Ronald Jensen wrote:
>>>> I made it work while testing at home with my small printer.
>>>> 
>>>> But now I cannot seem to find the right XML for the Pro 7900
>>>> 
>>>> Mine has the SpectroProofer installed. But I guess that it is still model 116??
>>>> 
>>>> I edit the "escp2/model/base/pro_ultrachrome_k3v10.xml” but I cannot make it read the correct
>>>> file as I could at home with my R2400?
>>>> 
>>>> Can you give me a hint on why?
>>> 
>>> Look at the PPD file you're using for the printer.  Is it in fact using model 116?  If it's using
>>> something different, you'll have to chase down which inks file is being used.
>>> 
>>>>> Den 15. jan. 2021 kl. 23.22 skrev Robert Krawitz <[email protected] <mailto:[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.
>> 
>

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