A.    If there is a loose connection, (firmware board, memory module,
      connector between the two boards, then they can be simply reconnected.
      The connections are all under the right end bell. If the customer is
      proficient, then they may perform the following steps:
      
      1.    Unplug the power cord from the plotter.
      
      2.    Remove the right end bell (there are four screws underneath the
            right end bell and two on the back which connect to the y-axis
            cover plate).
      
      3.    Press on each connector to ensure that each connector is tight.
      
      4.    Reattach the right end bell.
      
      5.    Plug in the power cord.