●
The System Error detailed information (it can be obtained by pressing CANCEL + Down)
●
Information on the workflow:
◦
Operating System
◦
Application
◦
Driver
◦
Settings in the driver and the application
◦
Settings in the printer
◦
Connection method and settings:
●
The original file along with the information on how to reproduce the issue
●
A print to file that can reproduce the issue
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The printer logs
B. Random 79:04 during continuous printing
The error does not happen with a single job. It happens randomly during continuous printing, normally while
the printer is managing a heavy load (printing a project or in a reprographics environment).
This type of error is caused either by memory leaks or by concurrence issues in the printer’s firmware. They
normally happen in unusual environments where these memory leaks or concurrence issues that have not
been detected during qualification have occurred. These issues cause the printer to crash at a completely
random moment during printing, and are not associated to a specific job.
Because of this, troubleshooting these issues is normally quite complex.
1. Restart the printer twice (after the first restart, the printer will show the 79:04 system error again, since
the printer will attempt to reprint the last job in the queue. If the issue continues occurring randomly,
continue troubleshooting.
2. If you are using an HP driver, update the driver to the latest version.
3. Update the printer’s firmware. Even if the currently installed firmware version is the latest one, reinstall
it.
4. Try the following changes in the workflow:
a. Change the Print Language option in the Front Panel from “Automatic” (which is the default
setting) to the language that is being printed (PS, HP-GL/2, …)
b. Queue = OFF
c. Start Printing = After processing
d. For PS SKUs, try changing the encoding setting (“Automatic” by default) to Binary or ASCII
e. If you are using the HP-GL/2 driver, try sending the job as a bitmap
5. If you are using a third-party application that does not print through the HP driver, try modifying the
printing workflow by:
a. Using an HP driver
b. Changing the settings in the application’s printing dialog
6. Escalate the issue with the following information:
34 Chapter 2 Troubleshooting ENWW
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