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1. Press the Power button.
2. Lift the printer cover.
3. Push down on the print cartridge.
4. Slide the print cartridge out of the cradle.
4. Remove the replacement print cartridge from its packaging and carefully
remove the plastic tape. Hold the print cartridge so that the copper strip is on
the bottom and facing toward the printer.
1. Remove plastic tape.
Caution: Do not touch the print cartridge ink nozzles or copper contacts.
Touching these parts will result in clogs, ink failure, and bad electrical
connections. Do not remove the copper strips. They are required
electrical contacts.
HP Deskjet 3840 series printer User's Guide
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