A platen 23, 96 having a series of channels 174 which are in fluid communication with a vacuum and a fluid source. The grooves 174 preferably extend through an end of the platen 23 to the atmosphere such that the vacuum has a maximum value. The platen 23, 96 is used in a printer-processor 10 which has...http://www.google.es/patents/US5099277?utm_source=gb-gplus-sharePatente US5099277 - Vacuum platen for use in a printer
