Model: EPSON DS-530 II
Type: Sheetfed & Flatbed Scanner
Resolution: 600 dpi x 600 dpi
Sheet Capacity (ADF): Yes
Interface (Build-in): USB
Duty Cycle (Daily): Up to 4,000 pages / day

Model: Epson DS-1630
Type: Sheetfed & Flatbed Scanner
Resolution: 1200dpi (Flatbed), 600dpi (ADF)
Sheet Capacity (ADF): Yes
Interface (Build-in): USB
Duty Cycle (Daily): 1500 Pages

Model: 
HP ScanJet Pro N4600 fnw1
Type: Sheetfed & Flatbed Scanner
Resolution: 600 x 600dpi (ADF), 1200 x 1200dpi (flatbed)
Sheet Capacity (ADF): Yes
Interface (Build-in): USB, LAN, Wi-Fi
Duty Cycle (Daily): 6000 Pages

Model: Canon CanoScan Lide 400
Type: Flatbed Scanner
Resolution: 4800 x 4800dpi
Sheet Capacity (ADF): No
Interface (Build-in): USB
Duty Cycle (Daily): 1000 Pages

Model: Canon LiDE 300
Type: Flatbed Scanner
Resolution: 2400 × 2400 dpi
Sheet Capacity (ADF): No
Interface (Build-in): USB 2.0 High-Speed Mini-B
Duty Cycle (Daily): 1000 Pages

Model: ScanJet Pro 3600 f1 (20G06A)
Type: Flatbed & ADF
Resolution: Up to 600 × 600 dpi (ADF) up to 1200 × 1200 dpi (flatbed) optical
Sheet Capacity (ADF): Yes 
Interface (Build-in): USB 3.0 (also backward USB 2.0)
Duty Cycle (Daily): Up to 3,000 pages/day

Model: ScanJet Pro 2600 f1 (20G05A)
Type: Flatbed & ADF
Resolution: ADF: up to 600 × 600 dpi
Flatbed: up to 1200 × 1200 dpi optical
Sheet Capacity (ADF): Yes
Interface (Build-in): Hi-Speed USB 2.0
Duty Cycle (Daily): Recommended up to 1500 pages/day