Line Scan For Print Inspection

Defect Detection And Color Control.

At Any Speed, In Any Resolution.

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Challenges In Print Inspection – Our Expertise

Printing processes – whether analog or digital – demand flawless quality at industrial speeds. Continuous inspection is essential to detect defects early, avoid waste, and ensure consistent results. Each technology comes with unique challenges:

Analog Printing

High Speed and Continuous Control

Very high printing speeds up to 15 m/s at a resolution of 100-300 dpi
Demands continuous inspection for color consistency and defect detection (streaks, spots, misalignments, smudges, etc.)
Requires optimized line scan cameras and lighting to achieve 100% inspection at high speed and accuracy

Digital Printing

High Resolution, Maximum Precision

Ultra-high resolution up to 2400 dpi for speeds of approximately 3 m/s
Sensitive to nozzle failures and print head alignment issues
Needs high resolution line scan cameras with uniform lighting for precise calibration and reliable defect detection

Proven Technology For Print Inspection

Our print inspection systems combine advanced hardware and software for reliable defect detection and precise colour control – ready for seamless integration into your printing systems.

Line Scan Camera Technology For Print Inspection

State-of-the-art trilinear CMOS line scan sensors with a resolution of 4k-16k
Full RGB in every pixel
Optimised hardware and firmware, developed through over 20 years of experience in print inspection
One system for both: 100 per cent print inspection and inline colour measurement
Cost-efficient, less cabling and minimal
space requirements

Print Inspection Software - Real-Time Color Control

Inline colour measurement with Lab-calibrated cameras based on Chromasens colour calibration software
RGB → L*a*b* conversion ensures precise colour values
Automated calibration workflow with in-house software and over 1,000 colour fields – as reliable as spectrophotometer measurements, but in real time
Colour measurement across the entire print area, not just in the control strip – a major advantage, especially in web printing, where sheet extraction is not possible

Lighting Technology For Inspection Systems - Stable And Homogeneous

High-intensity, uniform white light for every material
Reliable on reflective coatings, transparent films and different material thicknesses
Developed for high-speed inspections without loss of accuracy
Special solutions for film printing and demanding materials

OEM Solutions - Ready-To-Integrate Systems For Print Inspection

Integrated line scan camera, illumination, mirror and thermal management
Mechanically and electrically pre-assembled, fully tested
Compact, robust, cost-effective design with long service life
Plug & play: safe and easy integration into your printing systems

Trusted Expertise In Print Inspection And Color Control

Partnership From Start To Finish

We don’t just deliver components – we co-develop complete systems together with our customers. Ensuring camera, optics, and lighting are perfectly aligned to your needs.

Everything You Need

Precise color measurement is only possible when camera and lighting are perfectly matched. We develop line scan cameras, lighting, and complete vision modules from a single source.

Expertise You Can Rely On

Our unique combination of camera and lighting know-how and 20+ years of experience in print inspection makes us the go-to partner for proven quality and reliable service.

"With Allied Vision, we were able not only to meet the demanding technical requirements, but also to automate a significant part of the printing process through customized developments."

Jens Winkler, General Manager, CCL Label GmbH

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Looking for the right Line Scan solution for your print application? Talk to our experts.

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