Shift sensitive dual velocity mechanism for a printer

A single print element printer including:

• a single print element having a plurality of characters thereon, said print element impacting a record sheet to print a selected character thereon;
• velocity control means to control the velocity at which said print element impacts the record sheet to print the selected character;
• selection means to select one of the characters on said print element for printing on the record sheet when said print element impacts the record sheet;
• said selection means including a plurality of movable means movable in a first direction, each of said movable means being movable in response to selection of one of two characters on said print element with one of the two characters being in one of two cases and the other of the two characters being in the other of the two cases;
• shift means to cause said print element to have the selected character in one of the two cases impact the record sheet when one of said movable means is moved in the first direction and said shift means is effective, the selected character in the other of the two cases impacting the record sheet when said one movable means is moved in the first direction and said shift means is not effective;
• a member movable from a first position to a second position in a substantially vertical direction and substantially transverse to the first direction when said shift means is effective;
• said member including first cooperating means for cooperating with each of said movable means when said member is in its first position and second cooperating means for cooperating with each of said movable means when said member is in its second position, said second cooperating means being disposed above said first cooperating means;
• said first cooperating means including causing means engageable by one of said movable means when said one movable means moves in the first direction to cause movement of said member when said print element is to impact the record sheet at a first velocity and enabling means to enable movement of one of said movable means in the first direction without causing movement of said member by said one movable means when said print element is to impact the record sheet at a second velocity;
• said second cooperating means including causing means engageable by one of said movable means when said one movable means moves in the first direction to cause movement of said member when said print element is to impact the record sheet at a first velocity and enabling means to enable movement of one of said movable means in the first direction without causing movement of said member by said one movable means when said print element is to impact the record sheet at a second velocity;
• and responsive means responsive to movement of said member by one of said movable means moving in the first direction to engage said causing means of one of said first cooperating means and said second cooperating means to cause said velocity control means to change the velocity at which said print element impacts the record sheet.