[cups.general] Weird behaviour of some HP printers

Michael Sweet mike at easysw.com
Sat Jan 5 07:17:18 PST 2008


Helge Blischke wrote:
> Michael R Sweet wrote:
>> Helge Blischke wrote:
>>
>>> When upgrading from CUPS 1.1.19 to CUPS 1.3.5, we encountered quite a
>>> weird thing with some HP printers, especially the HP 4250 series:
>>>
>>> When configuring the printer to use the "Fit to Page" option
>>> to "Nearest Size and Scale", it worked as expected in 1.1.19
>>> but failed to scale down the pages in 1.3.5.
>>>
>>> A detailed analysis revealed that the only significant difference is the
>>> order of the setpagedevice statements in the output of the
>>> pstops filter (short of line endings and comment lines).
>>>
>>> Is there anybody out there who has a reasonable explanation?
>>
>>
>> No, very weird.
>>
>> Can you provide diffs (diff -u) between the two versions?
>>
> 
> See the attachment.
> 
> Just to forestall a question I suspect:
> the CUPSsetpagedevice stuff in the 1.3.5 variant redefines
> the setpagedevice operator to merely collect all the setpagedevice
> settings into one single dictionary and execute the real
> setpagedevice operator with this dictionary just at the
> end of the setop section of the job.
 > ...

We don't do this, as it will interfere with proper ordering of
printer feature commands - are you sure you are using the standard
pstops filter?

-- 
______________________________________________________________________
Michael Sweet, Easy Software Products           mike at easysw dot com




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