HP Officejet 6500 E709c and Premier E709q Inkjet printer- Replace printhead assembly


The print head assembly includes ink cartridge and print head。If the existing printhead assembly is damaged or incompatible with the all-in-one, replace the printhead assembly with a new one.


Replace printhead assembly

Follow the steps below to replace the print head assembly.
Warning:A new print head assembly must be prepared before uninstalling the old cartridge.
Asseel recommends that the cartridge be placed outside the all-in-one for less than 30 minutes. Doing so may damage the all-in-one and ink cartridges.

Step one:Loading paper

1.Lift out the carton

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2.Place a stack of paper on the right side of the box and print face down.

3.Adjust the width of the paper guide plate so that it sticks to the edge of the paper.

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4.Close the output tray.

5.Pull out the extension of the output tray and unfold the paper stop at the end of the extension.

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  1. Open the extension tray of the output tray
  2. Open the paper baffier




Step twoReplace printhead assembly

Follow the steps below to remove the old cartridge from the printhead.
WarningThe old ink cartridge can only be removed after preparing the spare printhead.

1.Open the cartridge door. The pen holder will move to the center of the all-in-one. Wait for the pen holder to stop before you can proceed to the next step.

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2.Press the button on the front of the cartridge and pull it outwards, then pull the slot up

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3.Repeat the above steps to remove all ink cartridges from the slot.

4.Lift the gray latch on the print head assembly

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5.Remove the old printhead from the slot.

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WarningDo not touch the copper contacts。 When installing the ink cartridge, do not let the contacts touch any surface or scratch the contacts.

6.Remove the printhead from the package.

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7.Hold the printhead upright so that the side with the colored illustration faces up.

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8.Place the print head in the unit so that the purple and green patches on the print head align with the purple and green patches on the all-in-one.

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9.Slowly put down the gray latch.

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10.With the ink cartridge contact point facing the printhead, slide the ink cartridge into the appropriate slot. Please refer to the color markings on the cartridge and in the printhead to avoid misplaced slots.








11.Press down on the cartridge until it clicks into place.

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12.Repeat the above steps to install all the ink cartridges, then close the cartridge door.