Editing IBM 557 (section)

==Features==
*Proof – where the 557 verified, again through electrical mechanical means, that the information printed was correct
*Multiple Stacker – the printed card could be placed in a selected output stacker
*Selective Line Print – the standard 557 could only print on the top two horizontal lines (between the 12 and 11 rows and between the 11 and 0 rows)  – selective line print feature allowed printing on one of 26 lines
*40 or 60 column card read  – Standard punched card was 80 columns, but there were exceptions
*Master/detail printing  – text on a master card could be printed on following detail cards