Patent ID: 7717633

Claim:
A sheet bundle printing system comprising: a sheet transfer device for transferring a sheet toward a sheet ejecting slot by peeling an uppermost sheet out of a sheet bundle made up of a multiplicity of sheets releasably adhered together at one end respectively; a printing device having a printing head and a platen roller, the printing device being for printing on a sheet fed by the sheet transfer device through space between the printing head and the platen roller; a ribbon feed device for feeding an ink ribbon through space between the printing head and the platen roller, the feeding being made in parallel with the sheet at the time of printing thereon; a back-and-forth moving device for manually moving the platen roller relative to the printing head between a printing position in which the platen roller is urged into contact with the printing head and a contact-free position in which the platen roller is out of contact with the printing head; and a ribbon-feed suspension device for suspending the ink-ribbon feeding by the ribbon feed device in a manner interlocked with a relative movement, by the back-and-forth moving device, of the printing head and the platen roller between the printing position and the contact-free position, wherein the back-and-forth moving device comprises: a manual operation lever for moving the platen roller back and forth; and a back-and-forth moving link for moving the platen roller back and forth in a manner interlocked with operation of the manual operation lever.