HP C7769B Service Manual - Page 48

Ink Supplies Troubleshooting What are the Ink Supplies? For each of the four ink colors used in the Printer, there are two separate components: the Printhead and the Ink Cartridge. Both components are coded with an HP selection number to identify the correct replacement supplies. NOTE Printhead Ink Cartridge 69cc Ink Cartridges The Ink Cartridges for the HP DesignJet 500 and 800 Series Printers require no maintenance or cleaning. As long as each Ink Cartridge is inserted correctly into its slot, the ink will flow to the Printheads. The Ink Cartridges are number coded as follows: n HP No.10 for the Black Ink Cartridge. n HP No.82 for the Cyan, Magenta and Yellow Ink Cartridges. It is also possible to use HP No.11 Ink Cartridges for the Cyan, Magenta and Yellow colors. The HP No.11 Ink Cartridges contain 33cc of ink. The front panel displays the status of the Ink Cartridge. With the front panel, detailed information can be checked on the Ink Cartridges, see page Page 3-9, Obtaining Ink Cartridge Information. 3-2 HP DesignJets 500 and 800 Series Printers Service Manual