[cups] Mac OSX with CUPS 1.7.2 Printing fuzzy on Zebra GK420d

[Helge Blischke]

Matt,

I think the error message from the PID 1217 filter is the culprit, but  
I have no idea what the real reason is
(specially the text "ingerface output queue is full" sounds cryptic to  
me).
The crash of that filter leads to an EPIPE interrupt in gstoraster,  
that in turn causes gstoraster to exit with
status 1.

As, in this case, gstoraster does not remove the temporary files it  
creates, please look for the files
/private/var/spool/cups/tmp/gsprolog.1216.ps
and
/private/var/spool/cups/tmp/gsinput.1216.ps
(1216 is the PID of the gstoraster filter) and post them to me.

In the meantime I'll do some research on that queer status 206.

Helge


Am 21.07.2014 um 17:47 schrieb Matthew Warren:

> Hi there,
>
> Here is the errror log:
>
> https://www.dropbox.com/s/r2gslfnxwnf39gl/306469-547fb9aa14d80004e8ecc8c24ed4dc0d8b79472d-epson_error_log.rtf
>
> I would guess this is the error
>
> D [21/Jul/2014:16:22:25 +0100] [Job 5166] PID 1217 (/Library/ 
> Printers/EPSON/InkjetPrinter2/Filter/rastertoescpII.app/Contents/ 
> MacOS/rastertoescpII) stopped with status 206 (Interface output  
> queue is full)
> E [21/Jul/2014:16:22:25 +0100] [Job 5166] Ghostscript exited with  
> value 0
> D [21/Jul/2014:16:22:25 +0100] Discarding unused job-progress event...
> D [21/Jul/2014:16:22:25 +0100] Discarding unused printer-state- 
> changed event...
> D [21/Jul/2014:16:22:25 +0100] [Job 5166] PID 1216 (/usr/libexec/ 
> cups/filter/gstoraster) stopped with status 1.
>
> Matt
>
>
> On 21 Jul 2014, at 15:58, Helge Blischke <HelgeBlischke at web.de> wrote:
>
>> Hi Matt,
>>
>> please post (an URL to) the part of an error_log (with debug- 
>> logging switched on) containing the messages of a
>> test job that exhibits the "Filter Failed" error.
>>
>> Helge
>>
>> Am 21.07.2014 um 16:13 schrieb Matthew Warren:
>>
>>> Hi Helge,
>>>
>>> We have come across a problem that when users try and print to  
>>> their non Zebra printers, they are getting errors such as "Failed  
>>> - Filter Failed", is there a way to set the gsfilter to only fire  
>>> for the Zebra printer instead of all printers? Maybe changing  
>>> something in the CONVS file?
>>>
>>> Matt
>>>
>>>
>>> On 15 Jul 2014, at 18:23, Helge Blischke <HelgeBlischke at web.de>  
>>> wrote:
>>>
>>>>
>>>> Am 15.07.2014 um 13:19 schrieb Matthew Warren:
>>>>
>>>>> Hi there,
>>>>>
>>>>> We have created a 1 bit image at 203 DPI in PNG format (https://www.dropbox.com/s/ebs2dqf08d1fxy7/1stCLASS-36.png 
>>>>> ) which when we convert to RAS or PDF using cupsfilter works and  
>>>>> prints great.
>>>>>
>>>>> When we create a PDF and insert the image, then try and print,  
>>>>> its coming out bad. When we use cupsfitler (pdftoras) to convert  
>>>>> to RAS it comes out bad.  But we can check the image inside the  
>>>>> PDF and its exactly the same as the original, it has not been  
>>>>> adjusted and looks pixel perfect.
>>>>>
>>>>> Here is the PDF https://www.dropbox.com/s/17c4uz2z0jjtild/label-noscale.pdf
>>>>>
>>>>> Any ideas?
>>>>>
>>>>> Matt
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>> Matt,
>>>>
>>>> I did one more test using your label-noscale.pdf. The results are  
>>>> really disappointing:
>>>> the use of the default filter
>>>> cgpdftoraster
>>>> leads to a quite rugged raster image.
>>>> Obviously this filter internally performs at least two conversion  
>>>> steps using an unknown
>>>> inermediate format.
>>>> The result is the same with Mac OS X 10.5.8 and 10.9.4.
>>>>
>>>> On the contrary, when using my home-grown gstoraster filter, the  
>>>> result is OK as you described
>>>> when using the original source image.
>>>>
>>>> So, I'd suggest to modify your CUPS configuration to using my  
>>>> gstoraster filter. Note that
>>>> it requires a fairly recent version of Ghostscript (see the  
>>>> description on sourceforge.net).
>>>> If you happen to have MacTeX installed, version 9.10 of  
>>>> Ghostscript is already installed.
>>>>
>>>> Helge
>>>>
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