Patent ID: 8746998
Filing Date: 2014-06-10
Classification: B41J

Abstract:
1. A dot impact printer comprising: a printhead unit having a wire dot head configured to strike an ink ribbon against a recording medium to print by a head pin, and a head support frame that supports the wire dot head; a path forming member configured to form the recording medium conveyance path at a printing position of the wire dot head; a first contact group having at least three contact points disposed to the head support frame configured to contact the path forming member proximally to the wire dot head and position to the path forming member in a head pin projection direction; and a second contact group disposed to the head support frame, wherein the second contact group has a contact point configured to contact the path forming member at a position farther from the wire dot head than the contact points of the first contact group; and wherein a height of the contact point of the second contact group is lower in the head pin projection direction than that of the contact points of the first contact group.