HP Officejet Pro L7550 - Device does not accept printhead

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Device does not accept printhead

Check the printhead latch
Make sure the printhead latch is properly closed.

Check the printhead

Make sure the printhead is inserted into its correct color-coded slot. For more
information, see

To replace the printheads


Remove the printhead, and check to make sure the orange protective caps have
been removed from the printhead.

Solve printing problems


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Clean the printhead
Complete the printhead cleaning procedure. For more information, see

Maintain the



Turn off the device after removing the printhead
After removing the printhead, turn off the device, wait about 20 seconds, and turn it on
again without the printhead installed. After the device has restarted, reinsert the