Offline Digital Reference Inspection ODRI

ODRI is a scanner based inspection system, which compares analogue or digital master (PDF or TIFF) with the printed product. It is designed to verify the correctness of the printed image and detect pre-press errors, plate and print defects.

Details

The inspection is done in 300 or 600 dpi resolutions, allowing the system to detect very small defects in characters, barcodes and numbers. ODRI can verify foreign language text and detect register and colour deviations. The inspection results are shown side by side and summarized in a protocol in PDF format.

Typical use of ODRI is after the printing press. One print repeat sample is taken from the end of the roll and inspected on the ODRI. The operator checks the differences and either accepts them or rejects them. The quick detection of plate problems saves time and materials and reduces the risk of costly recalls.

ODRI is designed for use in the packaging and label-printing industries. The system will automatically find the labels in the repeat and will inspect them. The interface is easy to understand and requires no computer knowledge from the operator.

Specifications

Inspection method
Comparison with a reference image

Inspection modes
PDF with PDF, PDF with print, print with print

Supported materials
paper-on-paper, film-on-paper, film-on-film

Inspection area
A3+ (432x297mm)

Resolution
300 or 600 dpi selectable

Inspection time
Approximately 4 minutes for A3 size

Detected defects
colour deviation, die-cut register move, colour register move, spots, streaks, hazing, character damage, missing dots, pinholes

Minimal defect sizes at 600 dpi
0.02 mm2 missing dot
0.01 mm2 spot
0.05 mm register move

System architecture
Windows XP PC with gigabit network interface
20" TFT screen
A3 (optional A2) flatbed scanner
Colour inkjet printer A4
A2 large format scanner
Barcode reader
System stand as shown on illustration above

Options
A2 large format scanner
Barcode reader
System stand

Power supply
230V AC / 600W

Operating environment
Air temperature 15-30 degrees C
Relative humidity 20-90%, non-condensing