>The problems were to do with handling problems like printer jams, out of paper etc which require, in essence, a partial resend and was tricky. Print spoolers o

>The problems were to do with handling problems like printer jams, out of paper etc which require, in essence, a partial resend and was tricky. Print spoolers on all platforms managed some of this complexity. The only system I'm aware of that managed that was AFP on IBM mainframes. Certainly the Windows print spooler doesn't. It assumes the printer handles a paper jam and just waits until it is ready to accept more data.