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ECO Series 3 and 4

ECO Series Conception

Each day a lot of organizations and companies are faced with a flood of paper documents, letters, bills, incoming mail, payment forms, orders, tickets, vouchers, etc.
To process this huge variety of papers with an optimal throughput, easy operating and perfect image quality the ECO series has been developed.
Robustness and reliability have been realized again in the ECO series without any compromise in WALTHER's proven technology and transport experience.
This new generation of document scanners is challenging the big brothers and is beating them with an outstanding performance and additional useful features.


  • Compact table-top design
  • High performance production scanner
  • Robust, reliable and versatile
  • Free accessible paper transport track and easy jam handling
  • System integrator friendly API and device driver



More than a standard document scanner:

  • A big feeder with continuous load for document batches in mixed size, weight and paper quality
  • A metal paper track with free access for jam handling and maintenance purpose
  • Two versions of high quality cameras, depending on the required application or performance
  • MICR read head for code line reading of checks
  • Imprinter with standard ink cartridge for one line endorsements, free programmable
  • One or two output pockets for good/bad sorting, exception items, rejects or other sorting criteria
  • Special software tools for OCR A/B, barcode decoding or document verification


  • Document processing
  • ICR, OCR and barcode applications
  • Check and payment form processing
  • Processing of health care forms and documents
  • Scanning of all kind of mixed size paper batches


Transport A4
Transport mixed batch

Technical Data
Item Feeder

  • Capacity: Up to 1000 documents in a mixed size batch
  • Special designed soft pulling wheel for document separation
  • Double feed detection by 3 controlable ultrasonic sensors
  • Continuous load without stopping the transport


  • Speed: 0.5 m/s to 0.8 m/s
  • Document size: from 75 x 108 mm ( A7 ) to 310 x 420 mm ( A3 )
  • Paper weight: 50 - 200 g/m as well as envelopes without content
  • Metal transport track walls for heavy duty purpose
  • Touch screen for operating commands


  • One output pocket for up to 1000 documents
  • Second pocket for rejects and exception items


  • CIS based cameras with RGB LED illumination with special light array front and rear
  • 24 Bit color images and
    256 gray scale images
  • ECO 3: 100 - 600 dpi resolution
    Scanning width: 305 mm
    Throughput: 300 dpm A6, 180 ppm A4,
    85 ppm A3
    trilinear sensor with white illumination
  • ECO 4: 100 - 400 dpi resolution
    Scanning width: 216 mm
    Throughput: 300 dpm A6, 180 ppm A4
    Half performance for color images
    LED RGB illumination

MICR reader

  • E 13 B
  • CMC 7

    Imprinter on ink jet base

    With high capacity ink cartridge
    Pre endorser for front side or
    Post endorser for back side
    Variable printing position for back side

    Software Interface

    • API device driver
    • Scanport scan client
    • TWAIN Interface

    Hardware Interface

    • ECO 3: 1 x USB 2.0 fullspeed + 
      + 1 x USB 2.0 highspeed
    • ECO 4: 1 x USB 2.0 fullspeed +
      2 x USB 2.0 highspeed


    • Unit size LxDxH: 113x58x48 cm
    • Weight: 90 kg

    Power supply

    • Integrated power supply
    • 120 - 240 Volt +/- 10 %, 50/60 Hz
    • Power consumption: 80 - 200 W

    Environment conditions

    • Operating temperature: + 10C - + 35C
    • Relative humidity: max. 90 %