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Old 08-25-2017, 01:06 AM   #1
someone named bert
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Distribution: Slackware64 14.2
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Unhappy Old HP LaserJet stopped working after 14.2 upgrade, "filter failed", parallel port


Hello

after the 14.2 upgrade my Hewlett Packard LaserJet 4050N parallel port printer stopped working. In the CUPS web interface I get stopped "Filter failed" for all jobs. However if I request a test page from the CUPS web interface it prints fine.

Find attached a logfile from CUPS with LogLevel debug.

The first thing I should try may be downgrading the HP stuff to the Slackware 14.1 version, but how would I go about that?
Attached Files
File Type: txt cups..1.txt (8.1 KB, 24 views)
 
Old 08-25-2017, 04:00 AM   #2
business_kid
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Parallel port? Trailing edge technology now :-). I have the impression (and only that) that when you bang stuff at the parallel port, the printer seems to handle it, but interactive dialogue fails. I don't think PnP (remember that?) was ever implemented on the parallel port. It means info is sparse.

As a first move, if you did move the /etc/*.conf.new files to /etc/*.conf, I'd try and put back the old ones, or set up the new ones again. To downgrade, only cups may need it, which you would do with
Code:
upgradepkg cups-from-14.2.txz%cups-from-14.1.txz
 
Old 08-25-2017, 11:40 AM   #3
svim
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The 4050N model should also have an Ethernet port and be able to used as a networked printer (note the 'N' designation). Is there a specific reason why you're still using the parallel port? Should be less 'friction' involved if you just added it into your home network as a network printer.
 
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Old 08-25-2017, 12:22 PM   #4
someone named bert
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Thank you two.
business_kid, I went through the .new files at some point. Edit: with special regard for this problem. I will try the downgrading later.
svim, I looked on the back of it, there's no LAN port, but a suspicious hole where one could have been. Besides, I don't think this would help for this particular problem. Re: banging stuff at the parallel port: I tried echo "foo"|lp, didn't print anything either.

Last edited by someone named bert; 08-25-2017 at 12:32 PM.
 
Old 08-25-2017, 09:19 PM   #5
ljb643
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For information, I have an HP LaserJet printer - even older than yours - connected to my Slackware 14.2 system over a parallel port, and it works fine. I did have to load the "lp" module before CUPS would let it work, or even allow it to be added as a printer. I added "/sbin/modprobe lp" to the file /etc/rc.d/rc.modules.local to make it load at boot time.

One the module was loaded, and the printer turned on, CUPS shows it as a local printer for selection with Add Printer, and the result is a connection URI like this: parallel:/dev/lp0

Troubleshooting CUPS issues is not easy. However, I think the log file you posted is not from printing but from something else, such as access to the CUPS web interface.
 
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Old 08-25-2017, 09:58 PM   #6
ferrari
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This reads like a missing library or similar. It would be useful to see the relevant section of /var/log/cups/error_log for clues about what might be failing. Do you have CUPS configured using a postscript driver, HPLIP, gutenprint, or....? The following can help determine the answer if you're not sure...
Code:
egrep "Model|Name|Filter" /etc/cups/ppd/*
There are a number of driver choices available for this HP model...

http://www.openprinting.org/printer/HP/HP-LaserJet_4050

You could watch the CUPS error_log tail with
Code:
tail f /var/log/cups/error_log
then send a print job and capture the relevant output.
 
Old 08-28-2017, 06:30 AM   #7
someone named bert
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Thanks also to you two.
Attached a logfile with the real info, from two printing attempts. (cups..2.log)


The culprit seemingly is the perl script /usr/lib64/cups/filter/foomatic-rip-hplip from the hplip package
Code:
D [28/Aug/2017:12:48:48 +0200] [Job 364] Can\'t use \'defined(@array)\' (Maybe you should just omit the defined()?) at /usr/lib64/cups/filter/foomatic-rip-hplip line 1656.
D [28/Aug/2017:12:48:48 +0200] [Job 364] PID 2130 (/usr/lib64/cups/filter/foomatic-rip-hplip) stopped with status 255 (Unknown error 155)
The respective part of the script reads
Code:
my $dontparse = 0;
if ((!defined(@{$dat->{'args'}})) ||
    ($#{$dat->{'args'}} < 0)) {
    # We don't have any options, so we do not need to parse the
    # PostScript data
    $dontparse = 1;
So, I took that defined() out, and something comes out of the printer. However, it's not what I wanted.
Code:
%PDF-1.3
%
Log from this: cups..3.log



Edit:
/etc/cups/ppd/HP_LaserJet_4050_Series.ppd is the single file in that directory, and I don't know where it's from.
grep "etc/cups/ppd/HP_LaserJet_4050_Series.ppd" /var/log/packages/* comes up empty.
Inside the file it says it is from *FileVersion: "hpijs 3.12.9".
Attached Files
File Type: log cups..2.log (162.6 KB, 2 views)
File Type: log cups..3.log (199.4 KB, 4 views)

Last edited by someone named bert; 08-28-2017 at 06:44 AM.
 
Old 08-28-2017, 07:03 AM   #8
phenixia2003
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Hello,

Quote:
Originally Posted by someone named bert View Post
The culprit seemingly is the perl script /usr/lib64/cups/filter/foomatic-rip-hplip from the hplip package
Code:
D [28/Aug/2017:12:48:48 +0200] [Job 364] Can\'t use \'defined(@array)\' (Maybe you should just omit the defined()?) at /usr/lib64/cups/filter/foomatic-rip-hplip line 1656.
D [28/Aug/2017:12:48:48 +0200] [Job 364] PID 2130 (/usr/lib64/cups/filter/foomatic-rip-hplip) stopped with status 255 (Unknown error 155)
Maybe this patch can solve your issue...

-- SeB
 
Old 08-28-2017, 08:46 AM   #9
someone named bert
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Thanks SeB. This wasn't the solution, but I applied the patch anyways.


What I did to solve this was reinstall the printer in CUPS and select another driver (the postscript one).
 
Old 08-28-2017, 03:47 PM   #10
ferrari
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Quote:
What I did to solve this was reinstall the printer in CUPS and select another driver (the postscript one).
Good move
 
Old 09-28-2017, 05:41 AM   #11
geekssem76
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Red face Reinstall old one or install new

You should change your driver...Reinstall old one or install new
 
Old 09-29-2017, 04:37 AM   #12
business_kid
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Welcome to LQ, geekssem76.

I would feel that one of the first rules on maintenance is:
"If it ain't broke, don't fix it!"

I would reinstall nothing if you're happy with the performance.
 
  


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