HP C7769B Service Manual - Page 66

Ink Supplies Troubleshooting Troubleshooting Repetitive Ink Cartridge Messages When you see the messages shown below, the normal procedure is to replace the Ink Cartridge that has failed, ran out of ink or has expired. NOTE But in certain circumstances, even after replacing the Ink Cartridge, the above messages continue 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 each message: Ink Cartridge Error message. 1 Replace the Ink Cartridge that has failed. 2 If the message continues to appear, clean the electrical contacts inside the Ink Supply Station (power OFF the Printer first). 3 If the message continues to appear after cleaning the Ink Supply Station, replace the Ink cartridge again. 4 If the message still continues to appear, replace the Ink Supply Station ⇒ Page 8-48. You could also get repetitive Ink Cartridge Error messages if the Ink Cartridge is leaking. In this case try the following: 1 Reinsert the failing Ink Cartridge and if the status is OK, you may continue to print. If after reinserting the Ink Cartridge fails again then replace the Ink Cartridge. If the message continues to appear after replacing the Ink Cartridge then replace the Ink Supply Tubes ⇒ Page 8-60. Out of Ink message. 1 Replace the Ink Cartridge that has failed. 2 If the message continues to appear, replace the Ink Cartridge again. If the new Ink Cartridge is consumed too quickly then the Ink Supply Tubes could be broken in which case replace the Ink Supply Tubes ⇒ Page 8-60. 3 If the message still continues to appear, perform the Ink Supply Station test ⇒ Page 4-6. If the test fails, replace the Ink Supply Station ⇒ Page 8-48. 3-20 HP DesignJets 500 and 800 Series Printers Service Manual