HP CH336A#B1K Manual do Utilizador descarregar pdf (Página 68)

Ink Supplies Troubleshooting

3-22

HP DesignJets 500, 510 and 800 Series Printers Service Manual

Expiration message.

NOTE In order to determine the correct date, the Printer reads the

information sent with a print file which includes the current

date. The printer will then compare this date to the expiration

date on the Ink Cartridge.

1 Replace the Ink Cartridge that has reached the expiration date.

2 Check the expiration date of the Ink Cartridge, see page Page 3-9,

Obtaining Ink Cartridge Information. If, for example, todays date is

02-Nov-00 and the expiration date of the Ink Cartridge is 07-Jun-01,

then the customers computer should be checked to see if the correct

date is configured.

Troubleshooting Repetitive Printhead Error Messages

When you see the message shown below, the normal procedure is to

replace the Printhead that has failed.

But in certain circumstances, even after replacing the Printhead the

above message continues to appear. This could mean that one of the

components of the Printer is failing and requires cleaning or

replacing. Follow these instructions to troubleshoot the message:

Printhead Error message.

1 Replace the Printhead that has failed.

2 If the message continues to appear, clean the electrical contacts

inside the Carriage Assembly (power OFF the Printer first) and the

electrical contacts of the Printhead (make sure you use water based

solutions only).

3 If the message continues to appear after cleaning the Carriage

Assembly and the Printhead, replace the Printhead again.

4 If the message still continues to appear, replace the Carriage

Assembly ⇒ Page 8-78.

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HP CH336A#B1K Manual do Utilizador Página 68