These 4 best ADF scanners will make you super productive.
Fujitsu Fi 4750L Fladbed / ADF Document Scanner ‑ Monochrome ‑ 400 x 400 DPI | eBay
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Fujitsu ScanSnap iX1600 - Document scanner - Dual CIS - Duplex - 279 x 3000 mm - 600 dpi x 600 dpi - up to 40 ppm (mono) / up to 40 ppm (color) - ADF (50 sheets) - Wi-Fi(n), USB 3.2 Gen 1x1 | Dell USA
Amazon.com: Plustek PS30D Duplex Document Scanner: with 50 Sheet Auto Document Feeder (ADF) and searchable PDF Function by Abbyy OCR. Support Mac and PC : Office Products
Fujitsu FI-7700 Production Scanner 100ppm 300-Sheet ADF Flatbed (PA03740-B005)
Epson B11B239201 scanner ADF scanner 1200 x 1200 DPI A4 Black, White