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Message 1 of 2
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Printer HP Office 6700 Premium all in one

Printer HP Office 6700 Premium all in one
Microsoft Windows 10 (64-bit)

The connection to the printhead has disappeared and there is an error blocking the printer panel.
The serial number of the external label of the printer does not match the serial number obtained by software with the utility of the hp assistant. The printer was purchased in 2013 and has never been changed or repaired.
Sorry for my English.

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HP Recommended

Printer HP Office 6700 Premium all in one



Welcome to HP support community.


Reseat the printhead up to three times

  1. With the printer turned on, unplug the power cord from the rear of the printer.


    You must disconnect the power cord before reaching inside the printer.

  2. Lift the carriage latch, slightly lift the printhead, lower the printhead back into the carriage, wiggle the printhead left and right, and then lower the carriage latch to lock the printhead into place.

    Animation showing how to reseat the printhead in the carriage

  3. Close the ink cartridge access door.

  4. Reconnect the power cord to the rear of the printer.

  5. Sometimes error messages persist after inserting the printhead. If the error message persists, repeat the steps to reseat the printhead up to three times.

You can refer this HP document for more assistance:- Click here


Let me  know how it goes.

To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.


I am an HP Employee

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