PRINTER USB LEAD/CABLE Canon Pixma - MG5550/MG3550/MG2550/MG2950/MG7550/MG6650 | eBay
Product | StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X) - serial adapter - USB - RS-232