This error is indicating a problem with print head movement.
This error can be indicated if there is any thing which may be preventing print head movement, things you can check include;

That the he printer ribbon is not jammed and is located correctly in the printer,
Check to ensure there is no paper jam of loose paper which may prevent print head movement
Check the carriage shaft to ensure it is free from paper dust or any other obstructions.

With the printer powered off, the print head should slide freely across the width of the printer, you can then see if there is any obstruction to the print head.
You may then need to check the following for faults;
Ribbon Driver
Carriage Motor
Carriage Belt
Timing Strip
Logic Board
Interconnect Board.