HP B8C95AA Bedienungsanleitung PDF herunterladen (Seite 100)

System Error Codes

2-40 HP Designjet T Series — Service Manual

 Application/RIP/Driver settings

 Type of output files this application, RIP or driver is generating

 Some sample files that are representative of what the customer is using

 Operating System

 Method of connection to the printer

A description of the normal flow when the issue occurs and the typical

equency of occurrence (i.e. once every hour when sending non stop

several files, each of them with multiple copies)

With this information, the environment can be replicated in order to try and

nd workarounds. This is also the information that will be needed at the

GBU to investigate and fix the root cause of this issue once it is escalated.

Hardware related SE79:04

Hardware is, by far, the least likely cause of a 79:04 system error. Replacing

hard

ware components does not normally fix the issue and increases the total

turn around time in finding a workable solution.

In some cases, a failure in a component in the printer’s electronics may

caus

e a 79:04 system error, since the printer’s electronics are involved in the

execution of the firmware and the processing of jobs. It needs to be noted,

however, that hardware failures in the electronics tend to produce specific

system errors that point directly to the component that is failing.

Some HW causes that could be behind a 79:04 error are:

 Defective clusters in the Hard Disk drive. If these clusters are used to

execute the firmware or to process a job, they may produce a 79:04. It

needs to be noted however, that most 79:04 errors that are resolved by

an HDD replacement are in fact, data related 79:04 that could have

been solved more efficiently and quickly following the steps in Section 3.

 Defective memory segments. If the RAM memory has some defective

segments, a 79:04 may occur when these segments are used.

 Intermittent defects in the electronic components that are involved in the

processing of a job: Carriage PCA, Trailing cable, Formatter and Print

Mech. This is a highly unlikely cause, since defects in these components

will produce subsystem specific errors.

Symptoms

There’s no single set of symptoms behind hardware related 79:04 system

rors. The most usual ones, however are:

 79:04 during start up. Rebooting the printer may or may not solve the

problem

 79:04 while processing or printing a job. Rebooting the printer and

printing the same job does not always produce the error.

Solutions and workarounds

In the following procedure perform each step as it appears in the list and

ly move on to the next step once you are sure the 79:04 error has not

been cleared:

1 R

eboot the printer in Diagnostics Boot mode and execute the service tests to

alidate the functionality of all the electronics components

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