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Amazon.com: 2 Way AUTO Parallel Port A B Switch for Printers, Scanners. Use one Printer or Scanner with 2 Computers!! It Works Automatically, no Need to Turn a Switch! : Electronics
4 Ports 25 Pin Db-25 Db25 Automatic Parallel Port Printer Sharing Auto Switch Box, No Need Buttons - Kvm Switches - AliExpress
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Amazon.com: 2 Way AUTO Parallel Port A B Switch for Printers, Scanners. Use one Printer or Scanner with 2 Computers!! It Works Automatically, no Need to Turn a Switch! : Electronics
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