HP 450c HP DesignJet 430/450C/488CA Printer - UserÂ’s Guide - Page 122

Maintaining your printer Replacing cartridges Before replacing cartridges Two important points: Cartridge types Your printer is designed to operate only with the four cartridge types whose part numbers are listed on page 10-19. Taking care Make sure you are aware of the cautions and warning below. CAUTION Touch only the plastic parts of the cartridge. Do not touch, wipe, or attempt to clean the cartridge nozzles or contacts; this may clog and damage the cartridge. Each time you access the cartridges for loading or reseating, the nozzles are exposed to the air. If the nozzles are exposed to the air (except during printing) for more than a few minutes at a time, they are susceptible to clogging and drying. It is absolutely essential to load the cartridges with the printer switched ON, otherwise you will get poor print quality and the reliability of your cartridges will be impaired. 450C/ With the HP DesignJet 450C and 488CA printers, it is absolutely essential to 488CA load the cartridges in the correct stalls, otherwise not only will your colors be wrong, but also print quality may be impacted. WARNING Don't touch the plastic strip that runs the length of the printer behind the cartridge carriage. Keep hair, jewelry, clothing, and foreign objects away from the printer mechanisms. Keep new and used print cartridges out of the reach of children. 7-4