1. Base material |
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- Newsprint - neutral in colour
- Newsprint characteristics with standard L*a*b value
- Backing L* a* b*
- Black 82 0 3
- White (85) (1) (5)
- Max tolerance in production: L*4 a*2 b*2
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2. Newsprint |
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3. Ink densities |
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- Cyan 0.90 Magenta 0.90 Yellow 0.90 Black 1.10
- Tolerence ± 0.05 for all colours , above zero paper base.
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4. Colour sequence |
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- Cyan - Magenta - Yellow - Black
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5. Screen ruling |
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6. Dot shape |
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7. Screen angles |
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- Cyan 15º Magenta 75º Yellow 0º Black 135º
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8. Scanning resolution |
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9. Maximum ink density |
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- 220% for 4 colour printing & only 1 colour may be solid
- 160% for 2 colour printing & only 1 colour may be solid
- This is to improve trapping and reduce set-off, lost details and smudging.
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10. Proofing standard |
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- IFRA standard profile for newspaper printing - ISO 12647-3
- ISOnewspaper26v4.icc for colour profile
- ISOnewspaper26v4_gr.icc for grey scale profile
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11. Dot gain |
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- Dot gain of 26% at the 50% dot area.
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12. All line copies |
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- Minimum 7 points, except for legal & proclamation ads (minimum 5.5 points)
- Recommend sans serif typeface for greater clarity & readability
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13. Reversed text on colour |
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- Minimum 12 points for BW sans serif typeface is recommended.
- Minimum 14 points for 4 colour printing
- Not to be positioned within screen areas less than 70% nor in yellow / light colour background
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14. All rules & character strokes |
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- Minimum 0.5 points
- Thin rules & small light typeface lettering/text should be restricted to single colour solid printing
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15. Point to check |
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- Overprint & Knockout trapping
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16. Colour ads |
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- Do not contain Spot, LAB or RGB colours.
- Please convert Spot / Pantone colours to CMYK
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17. Format & Compatibility |
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- Acrobat 6 and above (PDF 1.5) without crop marks and bleed.
- Ensure file can be separated correctly.
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18. For Grayscale images |
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- Highlight 7% to 9%
- Shadow 85% to 90%
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19. The background |
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- On which the text is to be printed on should be hollowed out.
- Text should be boldface sans serif typeface.
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