HP OFFICEJET 7740 PRINTER HEAD REPLACEMENT (HEAD KAISE CHANGE KARE )

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Learn how to replace the printhead in your HP printer.


Follow these steps to replace the printhead in HP printer:
-With the printer on, open the cartridge access door, and then wait until the carriage stops moving.
-Disconnect the power cord.
-On the carriage, lift the printhead latch.
-Holding the printhead by its sides, lift it up and out of the printer, and then set it aside.
-Open a new printhead from its package.
-Holding the printhead by its sides, insert it into the printer, and then lower the printhead latch.
-Remove the cartridges from the old printhead, and then reinstall them into the new printhead by matching the color on the cartridge with the color on the printhead.
-Reinstall the ink cartridges.
-With all cartridges installed, close the cartridge access door.
-Reconnect the power cord and the printer turns on automatically.
-If it does not, turn on the printer.