HP DesignJet Z6800 Using Your Printer - Page 67
Maintenance cartridge, Ink system tips
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The printheads are extremely durable and do not need to be replaced every time an ink cartridge is replaced. They provide excellent results even when the ink cartridges contain a low level of ink. To maintain optimum print quality, the printheads are automatically tested at regular intervals, and automatically serviced when necessary. This takes a little time and can occasionally delay printing. When a printhead eventually needs to be replaced, the front panel will display a message. To check the status of the printheads, select the icon, then View printhead status. CAUTION: Avoid touching pins, leads, and circuitry when handling ink cartridges because these elements are sensitive to electrostatic discharge. Such devices are called ESD-sensitive devices. See Glossary on page 219. Electrostatic discharges are one of the main hazards to electronics products. This type of damage can reduce the life expectancy of the device. Maintenance cartridge Use the maintenance cartridge to clean and maintain the printheads, ensure the best possible print quality, and seal the printheads when they are not in use to prevent them from drying out. NOTE: The maintenance cartridge contains liquid. Therefore, store any maintenance cartridges upright and on a flat surface. Ink system tips For best results, always follow these guidelines: ● Install the ink cartridges, printheads, and maintenance cartridge before the warranty end date. ● Follow the instructions on the front panel during installation. ● Allow the printer and the maintenance cartridge to clean the printheads automatically. ● Avoid unnecessary removal of the ink cartridges and printheads. ● The ink cartridges should never be removed while the printer is printing. They should be removed only when the printer is ready for you to replace them. The front panel guides you through the removal and ENWW Ink system tips 59