Job related SE79:04
A specific print job that is not correctly formatted for the printer or that is not correctly processed by it
can trigger a 79:04 system error.
The incorrect format or processing can come from two sources:
• Incorrect commands in the job itself. For example, a PS job with some commands that do not have the
correct PS format.
• Issues applying to the settings in the job
Cause Solution
79:04 caused by a print job always have the same symptoms:
●
1. The job is received by the printer and starts to
process.
2. In the middle of the processing, the printer stops
and displays 79:04.
3. The printer will display the 79:04 system error
again immediately after restart. This is due to the
fact that the printer will try to reprint the job,
which is pending in the queue, after restart.
4. After the second restart, the printer will start up
normally
5. If the same job is sent again, it will always
produce a 79:04 system error
These types of 79:04 system errors are normally caused by
jobs that have been generated by 3
rd
party applications (RIPs,
3
rd
party drivers, files exported by an application to PS, PDF,
HP-GL/2, RTL, … or any other format supported by the
printer). Jobs generated by HP drivers will not normally
generate 79:04 system errors, since the output that our drivers
generate is very controlled and has been designed taking into
consideration the characteristics of our printer’s language
interpreters.
There is an exception to this general rule: there are certain
applications that can generate their own PS code (Adobe
PhotoShop, Adobe Illustrator, Adobe Acrobat, Corel Draw,
Freehand, QuarkXpress, …). When used with a PS driver,
these applications generate the output PS themselves, instead
of using the driver’s rendering capabilities. This is known as
PostScript pass-through. So, when using an HP PostScript
driver together with an application that has PS passthrough
capabilities, the PS code that comes into the printer has not
been rendered by the HP driver, and, should the source file
contain any PS commands that are not correctly processed by
the printer, a 79:04 system error could occur even though an
HP driver is being used.
When a job consistently generates a 79:04 system error, it is
either because of a issue in the printer’s firmware or because
of a defect in the job itself (when it has been generated by
3rd party SW). In order to identify the cause and find out a
solution, these issues should always be immediately escalated
to the GBU through the GCC.
Also, there are a set of workarounds and short term solutions
that can be tested in order to get the customer up and running
in the shortest possible time:
1. Send the job using a variety of different settings. Many
times, the issue is caused by a combination of the job
contents combined with some specific setting(s).
2. If the customer is sending the file directly to the printer,
try using the HP driver instead.
3. If the issue is occurring when printing through the HP
PostScript driver from an application with PS
passthrough, try changing the options in the application
so that it prints PS as raster (the option is typically
located in the 'Advanced' options of the application’s
printing dialog).
26 Chapter 1 Troubleshooting ENWW
Troubleshooting
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