Plustek SmartOffice PS3140U A4 Document Scanner

This is a compact, department-grade A4 document scanner built to digitize stacks of paperwork quickly without taking up much desk space. It uses dual CIS sensors for single-pass duplex scanning at a steady 40 ppm, paired with a 100-sheet ADF and a 4,000-sheet daily duty cycle. The trade-off is that it's strictly a tethered machine—USB 2.0 only, with no network or standalone operation—but if you need to feed a high-volume archiving workflow from a workstation, it's a reliable little workhorse.

Scan Performance

• Up to 40 ppm / 80 ipm (Grayscale/B&W, 200/300 dpi, A4 Portrait) via dual CIS sensors for single-pass duplex scanning

• Up to 40 ppm / 80 ipm (Color, 200 dpi, A4 Portrait) or 30 ppm / 60 ipm (Color, 300 dpi)

• Optical Resolution: 600 dpi (hardware 600 × 1200 dpi, up to 1200 dpi interpolated)

• Daily duty cycle: Up to 4,000 sheets

• Color Depth: 48-bit input / 24-bit output; Grayscale: 16-bit input / 8-bit output; B&W: 1-bit

• Multi-feed detection: Ultrasonic technology to prevent jams

• Roller lifetime: 300,000 scans; Pad lifetime: 100,000 scans

Paper Handling

• ADF capacity: 100 sheets (A4/Letter, 70 g/m²), 30 business cards, or 1 plastic card (max 1.2 mm thick)

• Scanning area: Max 216 × 5080 mm (8.5" × 200"); Min 13.2 × 13.2 mm

• Acceptable paper sizes: Max 216 × 5080 mm; Min 50.8 × 50.8 mm

• Acceptable paper weight: 40 to 220 g/m²

• Handles mixed batches and long documents without sorting

Connectivity

• USB 2.0 Type A × 1 (host) and USB 2.0 Type B × 1 (device)

• No built-in Wi-Fi, Ethernet, or standalone operation — requires a direct PC connection

• TWAIN compliant for integration with document management systems

Design & Power

• Dimensions: 318.7 × 230.7 × 228.3 mm, weighs 2.7 kg

• 4 action buttons (Up, Down, Scan, Standby) + 9 customizable function keys

• Power supply: 24 Vdc / 1.25 A

• Hardware requirements: 3.2 GHz CPU or higher, 4 GB RAM minimum (8 GB recommended)

Software & Compatibility

• Bundled Software: Plustek DocAction, DocTWAIN, Plustek MacAction, Plustek ICA

• Built-in OCR: Plustek OCR (powered by ABBYY) for Windows, Plustek DocOCR for Mac

• Operating Systems: Windows XP / Vista / 7 / 8 / 10 / 11; macOS 10.12 through 13; Linux (for system integrators)

In the Box

• Scanner, power adapter, software DVD/download, setup guide, warranty card