Transaction printer

The apparatus of claim 9 wherein said frame includes structure for receiving a removable ribbon deck, said ribbon deck including interposer gearing that is operatively coupled to a carriage drive motor when said deck is installed, said interposer gearing operative to advance a ribbon in a ribbon cartridge mounted to said deck.

A transaction printer, comprising:

• a) a frame structure mounting a printhead carriage for reciprocally moving a printhead in order to print indicia on print media located between said printhead and a print bar;
• b) a compensator/paper feed assembly, said assembly movable between a printing position wherein said print bar is in a confronting relationship with said printhead and a spaced position wherein a gap is defined into which a form may be inserted for subsequent printing;
• c) said compensator/paper feed assembly including a media drive motor for selectively driving a validation pressure roll or a print media pinch roll, depending on the direction of rotation of said motor.

A transaction printer, comprising:

• a) a printhead for printing indicia on print media located between said printhead and a print bar;
• b) a compensator/print media feed assembly including structure for supporting said print bar, said assembly movable between a printing position wherein said print bar is in a confronting relationship with said printhead and a spaced position wherein an opening is defined into which a form may be inserted, said form being positioned between said print bar and said printhead;
• c) said compensator/print media feed assembly including a feeder drive motor for selectively driving a validation drive roll or a print media pinch roll, depending on the direction of rotation of said feed motor.