Data related SE79:04
HP Designjet printers have Hard Disks and non-volatile memories that contain data bases and files that
can be modified with user data. Some examples include:
• The printer’s queue
• The hard drive partitions that contain user jobs
• The data base that stores the printer settings
• The data base that stores accounting information
Some of this data is accessed by the printer at start up, and some others are accessed as needed.
If any of this fields contains corrupt data or data with characters or values that cannot be correctly
processed by the printer, a 79:04 system error may occur.
Cause Solution
backup partition to allow the unit to start up. This
firmware version is very old.
d. The firmware in the printer should be updated to the
latest official version as soon as the printer has
restarted.
After step “c”, any 79:04 which is caused by corrupt
data in the printer will be solved.
NOTE: It is possible that the corrupt data came to be in
the printer as a consequence of some activity in the
customer’s workflow. In this case, it is possible that the
issue will happen again. In these cases, it is very
important to understand the sequence of events in the
customer’s workflow that led to the error occurring. Once
the error can be traced in the customer’s workflow,
escalate the issue to the GBU (through the GCC). This is
done to implement any changes in the printer’s firmware
that can prevent these issues occurring again.
28 Chapter 1 Troubleshooting ENWW
Troubleshooting
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