A data recorder in which a printing member credit card is mechanically driven through operative stages, a variable numbering head is set by electronic control, and a form holder is automated to place a print-out form in print position by program control.
A credit card imprinter authorization terminal (20) including an imprinter device (24), keyboard (26), a display (28), a credit card reader (30), and a printer (32) all contained on a single housing structure (22). The credit card authorization terminal (20) includes a microprocessor (36) and its associated memory (38) for controlling operation of the credit card authorization terminal. The printer (32) provides an automatic printout of credit card transaction related information providing an audit trail for future reference.
A system for printing a document (1) comprises a first motor (5) for driving the document with respect to the frame along a first horizontal direction, the document being vertically arranged; a printer (7) coupled to a vertical linear displacement system (9, 11, 12), and designed to print information on the document; a post-marking roller (17) bearing symbols liable to be selectively pressed on the document with interposition of an ink ribbon (19) associated with running means; a second motor (15) coupled to driving means (13, 14) of the printer and roller; and a clutch (24, 28, 30) for coupling the running means to the first motor (5) only when the printer is in a predetermined range of displacement.