HP CH336A#B1K Manuel d'utilisateur télécharger pdf (Page 23)

Troubleshooting

1-13

HP DesignJets 500, 510 and 800 Series Printers Service Manual

Using the Boot-Up Sequence to Troubleshoot

When you Power On the Printer, the Printer performs the Boot-Up

sequence which initializes the major components of the Printer. If

for some reason the Boot-Up sequence fails because a component

has failed to initialize, the following explanations will help you to

locate the failing component:

During the first phase of the Boot-up sequence (all the squares turn

grey) the Printer is initializing the Operating System. If for some

reason this sequence fails, try the following:

1 Switch the Printer Off and wait a few minutes. Switch the Printer

On again and check if the initialization sequence is successful.

2 If the initialization sequence fails again, replace the Electronics

Module ⇒ Page 8-24.

During the second phase of the Boot-up sequence (all the squares

turn black) the Printer is initializing various components (too

numerous to mention). In normal circumstances, if a component fails

during this sequence a System Error will appear and you should refer

to Chapter 2 -

System Error Codes

. The following information

explains what is being initialized as each square turns black:

Initializing various components of the Main PCA.

Initializing a portion of the Firmware.

Initializing various components of the Main PCA.

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HP CH336A#B1K Manuel d'utilisateur Page 23