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Contex SD4450 / Vidar SD4450 

Wide Format CIS Scanner

Model No: MD52A and MD52D

Model Number can be found on the scanners backside here.



44" wide format color/monochrome scanner with 1200 dpi optical resolution.
Hi-Speed USB interface.


Supported OS versions


Windows 7, 32-bit
Windows 7, 64-bit
Windows Vista, 32-bit
Windows Vista, 64-bit
Windows XP, 32-bit
Windows XP, 64-bit
Windows Server 2003, 32-bit

Where is Scanner Maintenance?

From WIDEsystem 4.0 calibration is part of WIDEsystem. Simply click on "Calibrate" on the "Status" tab and select between "Camera Alignment" and "Full Calibration".


Drivers, Firmware and User's Guide

Scanner User's Guide

Scanner User's Guide  
Size 4.5 Mb  
  Released August 2008  

Driver Download (WIDEsystem)

WIDEsystem Installer   Release Notes
Version 5.3.3 Build 74813   Installation Instructions
  Released February 2017   Supported Scanners

Driver Download (WIDEsystem - Final XP Edition)

WIDEsystem Installer (Final XP Edition)   Release Notes
Version 5.0.1 Build 61487 (Final XP Edition)   Installation Instructions
  Released January 2015   Supported Scanners

Firmware release 3.0.4 - 010

Firmware Installer   Installation Instructions
Version 3.0.4 - 010 Build 43716  
  Released May 2012  


Scanning Software

Scanning software provided by Contex requires a license key.

This key is printed on the original CD cover or provided as a PDF.


Note: Nextimage 4.x requires a new license and upgrade from previous Nextimage versions (1.x, 2.x or 3.x) are not possible without purchasing a new license.  



Nextimage 4.5.2 Download

Nextimage 4.5.2 Installer   Supported Printer List
Version 4.5.2 Build 74199   Release Notes
  Released January 2017   Installation Instructions
      Supported Scanners


Nextimage 4.2.1 Download (Final XP Edition)

Nextimage 4.2.1 Installer (Final XP Edition)   Supported Printer List
Version 4.2.1 Build 61527 (Final XP Edition)   Release Notes
  Released January 2015   Installation Instructions
      Supported Scanners


Nextimage 3.1.5 Download

Nextimage 3.1.5 Installer   Supported Printer List
Version 3.1.5 Build 52447   Release Notes
  Released June 2013   Installation Instructions
      Supported Scanners

Nextimage Download

Nextimage Installer   Supported Printer List
Version 1.7.0 Build 39123   Release Notes
  Released June 2011   Installation Instructions

Contex is the leading manufacturer of large format scanners and large format scanner software for both color and monochrome scanning solutions. Contex creates scanning solutions for a variety of industries, including Reprographics, Technical, CAD, GIS, Graphic Arts, Document Archive, Copy Shops, POP/Exhibit providers, Pre-Press, Sign and Billboard production, Architecture and Engineering offices, and many more.