HP Deskjet 990cxi Printer - Manual (Page 45)

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Print Cartridges: Replacing Print Cartridges
5 Remove the replacement print cartridge from its packaging and
carefully remove the protective vinyl tape.
Do NOT touch the print cartridge ink nozzles or
copper contacts. Touching these parts will result in
clogs, ink failure, and bad electrical connections. Also, do NOT
remove the copper strips; these are required electrical contacts.
6 Push the print cartridge firmly, straight down into the print
cartridge cradle.
7 Close the cradle latch. When the latch is fully closed, you will
hear a click.
8 Load plain white paper in the IN tray.
9 Close the top cover, then a calibration page will print.
Note: Any time you install a new print cartridge, the printer
software prints a calibration page to ensure your print quality.
If you are in the middle of printing and stop to change a print
cartridge, the software will wait until your printing has completed
before it executes the calibration test.
10 If the Print Cartridge Status Light continues to blink after you
install the new print cartridge, check the part number on the print
cartridge to ensure you installed the correct one.
Do NOT touch the ink nozzles
Do NOT touch or remove the
copper contacts
Remove the protective vinyl tape
Warning