One of the most common frustrations South African print shops report is receiving artwork files that are simply not built for print, whether from a small business owner in Polokwane or a marketing assistant in Johannesburg. The result is delays, unexpected costs, and finished materials that do not match what the client expected on screen.
Print and screen are fundamentally different mediums, and understanding a few technical requirements before sending a file to a printer saves both time and money. These principles apply whether you are printing business cards, banners, or packaging.
Working in the correct colour mode and resolution
Screens display colour using RGB (red, green, blue) light, while printers use CMYK (cyan, magenta, yellow, black) ink. Artwork designed only in RGB often prints with noticeably duller or shifted colours than expected, particularly with vivid blues, oranges, and greens common in South African brand palettes.
- Convert files to CMYK colour mode before sending to a printer, not after
- Set resolution to 300 DPI (dots per inch) at the final print size, not the on-screen viewing size
- Avoid using images pulled from websites or social media, since these are typically only 72 DPI and will print blurry
Including bleed, margins, and safe zones
Printing equipment cannot cut with perfect precision every time, so professional print files need extra artwork extending beyond the final trim line, known as bleed, typically 3mm to 5mm on each edge. Without bleed, small alignment shifts during cutting can leave thin white edges or cut off important content.
- Extend background colours and images 3mm beyond the trim line on all sides
- Keep important text and logos at least 5mm inside the trim line as a safe zone
- Ask your specific printer for their exact bleed requirements, as these can vary slightly
Choosing the right file format for the job
Not all file formats suit all printing needs. A high-resolution, layered PDF with embedded or outlined fonts is generally the safest universal option accepted by South African printers, but different jobs sometimes call for different formats.
Vector formats like AI or EPS work best for logos and signage that need to scale to large sizes without quality loss, while flattened, high-resolution PDF or TIFF files suit photograph-heavy materials like brochures or menus. Sending an editable Word or PowerPoint file directly to a commercial printer usually causes font substitution and layout problems once opened on different software.
Proofing before committing to a full print run
Given the cost pressure many South African small businesses operate under, requesting a physical proof or at minimum a detailed digital proof before a full print run is a worthwhile step, particularly for large or expensive jobs like packaging or vehicle wraps.
- Check colours on a printed proof rather than relying on how the file looks on screen, since monitor calibration varies
- Read all text carefully on the proof, since errors are far more visible on paper than on screen
- Confirm final dimensions against the intended use, such as fitting a standard shopfront frame or vehicle panel
Frequently Asked Questions
Why do my printed colours look different from what I see on screen?
Screens display colour in RGB while professional printing uses CMYK ink. Converting your file to CMYK before sending it to the printer, rather than relying on an automatic conversion, gives a much closer match to the final result.
What resolution should images be for professional printing?
Images should be at least 300 DPI at the final print size. Images taken from websites or social media are usually only 72 DPI and will appear blurry or pixelated when printed.
What is bleed and why do South African printers ask for it?
Bleed is extra artwork extending 3mm to 5mm beyond the trim line, accounting for slight variation in cutting precision. Without it, small shifts during trimming can leave unwanted white edges or cut off content.
Can I send a Word document to a commercial printer?
It is generally not recommended, since fonts and layout can shift when opened on different computers or software. A high-resolution, print-ready PDF is a much safer and more universally accepted format.
Should I always request a physical proof before printing in bulk?
For larger or more expensive print runs, yes. A physical proof catches colour and layout issues that are easy to miss on a screen, potentially saving significant reprint costs.
Conclusion
Print-ready artwork is a different discipline from designing for screens, and South African businesses that understand the basics, correct colour mode, adequate resolution, proper bleed, and appropriate file formats, avoid the most common and costly print production mistakes. Taking the extra step of requesting a proof before a full run, particularly for significant jobs, adds a small delay but protects against far more expensive reprinting later. A short conversation with your chosen printer about their specific file requirements before you finalise the design is always worth the time.
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