hp 6978 printer failure error message

[joekapp]

cartridge carrier stuck on right side - cannot manually move.  I left empty color and black cartridges in printer for a while w/o printing for a couple of weeks with printer always powered on.  already tried hard reset and firmware is current. 

Is this problem caused by empty cartridges if so would installing new cartridges resolve or is this a mechanical issue.

Please reply soon need to use printer!!

Thanks

[sandytechy20]

@joekapp

Welcome to the HP support community.

Check for obstructions in the carriage path

Remove any loose paper or obstructions that might be blocking the carriage path.

1. Turn off the printer, and then disconnect the power cord.

2. Open the cartridge access door to get to the carriage inside the printer.

   EXAMPLES OF A CARTRIDGE ACCESS DOOR

   

3. Look for and remove any obstructions in the carriage path, such as crumpled paper or dislodged labels.

   EXAMPLE OF A PRINTER WITH AN OBSTRUCTION IN THE CARRIAGE PATH

   

4. If the carriage has a latch, gently press it down to make sure it is locked into place.

   CAUTION: 

   Ink tank printers: If the carriage latch is secured, do not press down on it. Doing so might damage the printer.

   EXAMPLES OF THE CARRIAGE LATCH

   

5. If the carriage is not locked in place, move it to each side, removing any obstructions blocking its path.

   CAUTION: 

   Do not force the carriage to move if it is locked or stuck. This can damage the printer.

6. Close the printer door.

7. Reconnect the power cord, and then turn on the printer.

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.

Cheers.