Re: Gutenprint and Epson Pro 7900

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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