Amazon.com: Marg AC/DC Adapter for HP ScanJet 3570C 4400 Scanner Power Supply Cord Cable PS Wall Home Charger Input: 100V - 120V AC - 240 VAC 50/60Hz Worldwide Voltage Use Mains PSU : Electronics
12v 1250ma 0957-2480 Ac Adapter Charger Power Supply For Hp Scanjet 2400 3670 3690 3770 3800 3970 4070 4370 4600 4670 2300 3300c - Printer Parts - AliExpress
Best Buy: Hewlett-Packard ScanJet Color Scanner 4570c
AC ADAPTER for HP ScanJet Scanner 4070 4400 4600 3500C 3570C Charger power psu | eBay
AC Adapter Charger For HP scanjet 3570C 3670 3690 4070 4600 4670 Power Mains PSU | eBay
C9870-84200 HP ScanJet AC Power Module (wall Mount Type)
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Amazon.com: Accessory USA 12V AC Power Adapter for HP ScanJet 3570C 4400 Scanner 5.5MM x 2.5MM : Electronics