Available 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 bin.
- Selective Line Print – The standard 557 could only print on the top 2 horizontal lines (between the 12 and 11 rows and between the 11 and 0 rows). Selective Line print feature allowed you to print on one of 26 lines.
- 40 or 60 column card read. Standard punched card was 80 columns, but there were exceptions.
Read more about this topic: IBM 557
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