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Amazon.com: Accessory USA® 12V AC Adapter for HP ScanJet 0957-2291 2400 3500 3670 3690 3770 3800 Scanner Power Supply PSU : Electronics
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12V 1250mA 0957-2480 AC Adapter Charger Power Supply for HP ScanJet 2400 3670 3690 3770 3800 3970 4070 4370 4600 4670 2300c 3300 _ - AliExpress Mobile
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