HP 3000CP - Manual (Page 120)

Working with Ink Systems
Replace the Ink System
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2 While pressing down on the quick-release button (1), unplug the ink cartridge tube
by pulling the tube connector away from the printer (2).
CAUTION Never pull the ink cartridge out by the tube or connector. This may cause the
ink cartridge to leak. Always grasp the body of the cartridge when removing or
installing.
3 Remove the used ink cartridge from the slot in the printer. Discard the used ink
cartridge.
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