[cups] Print job inverts colours halfway

Helge Blischke helgeblischke at web.de
Sun Aug 9 09:25:01 PDT 2015


Please do the following:
–	cupsctl —debug-logging
–	print a test job exhibiting the issue
–	grep 'Job xxx‘ /var/log/cups/error_log > an_arbitrary_temporary_file
	where xxx is the Job ID
–	post the contents of the temporary file.

This information will probably give some first hints on where the cause of the issue is.

Helge

> Am 06.08.2015 um 13:39 schrieb Emmanuel Noobadmin <centos.admin at gmail.com>:
> 
> I have two Canon printers a MF4720W and LBP7100Cw. Previously a PC
> running CentOS 6 were able to print without problems via network.
> Unfortunately the hard disk died and in replacing it, we also upgraded
> to CentOS 7.
> 
> Now the problem is that a test print to either printers looks OK for
> the first half then inverts colours for the second half. i.e black
> text on white background becomes white text on black background.
> 
> After testing via printing from LibreOffice, printing PDFs and
> printing from browser, it appears that the problem is triggered by
> having graphics in the document. For example, if we print a page with
> a logo at the top, the problem occurs. But if we edit the same
> document so that the logo is at the bottom, we don't encounter this
> problem.
> 
> Having different fonts on the page does not appear to trigger the bug
> as pages with multiple fonts but no graphics have no problems.
> 
> The only error in the log is repeatedly this:
> CreateProfile failed:
> org.freedesktop.ColorManager.AlreadyExists:profile id
> 'Canon-MF4700-Series-Gray..' already exists
> 
> Googling for the error turns up a lot of hits but mostly for Ubuntu
> and USB connected Brother printers. I've tried some of the suggestions
> where it might appear relevant such as changing LANG to en_US and
> reinstalling CUPS but nothing has helped so far.
> 
> Canon drivers used are from
> - Linux_UFRIILT_PrinterDriver_V110_uk_EN (LBP7100Cw)
> - Linux_UFRII_PrinterDriver_V300_uk_EN (MF4720w)
> which provides
> - cndrvcups-common-3.10-1.x86_64.rpm
> - cndrvcups-ufr2-uk-3.00-1.x86_64.rpm
> - cndrvcups-ufr2lt-uk-1.10-1.x86_64.rpm
> 
> CUPS version is cups-1.6.3-17.el7.x86_64
> 
> Please advise what can I do to narrow down the issue or fix it?
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