How to Prepare Print Files Without Costly Reprints

A business card with a thin white edge, a flyer with a logo too close to the trim, or a poster built from a small social media image can all look fine on screen. Print is less forgiving. Knowing how to prepare print files before production helps your finished job look intentional, professional and ready to hand out, display or deliver.

The good news is that you do not need to be a pre-press expert to supply good artwork. A few practical checks will prevent the most common delays, unexpected changes and costly reprints.

Start with the finished size

Set up your document at the size you want the printed piece to be after trimming. If you need A5 flyers, create an A5 document. If you are ordering 90 x 55 mm business cards, use that finished size rather than placing the design on an A4 page and hoping it will scale correctly.

This matters because every element in the artwork is affected by size. Text that looks comfortably large on an A4 layout may be hard to read once reduced to a postcard. Fine lines can become too light, and small images can lose detail. Decide where the piece will be used before designing it. A menu read at a table, a poster viewed across a room and a vehicle decal seen from the road all need different text sizes and levels of detail.

For custom work such as stickers, folders, booklets or signage, ask for the required finished dimensions before finalising the design. A quick check at the start is much easier than rebuilding artwork later.

How to prepare print files with bleed and safe margins

Most printed sheets are trimmed after printing. Even on carefully maintained equipment, there can be a very small movement during this process. Bleed gives the cutter room to work without leaving an unwanted white sliver around a coloured background or photo.

For standard print jobs, a 3 mm bleed is usually required on every edge. That means an A5 flyer finished at 148 x 210 mm should have artwork extending to 154 x 216 mm. Background colours, images and patterns that reach the edge must continue through this bleed area.

Keep important content inside a safe margin as well. As a practical rule, place text, logos, phone numbers and fine borders at least 3 to 5 mm inside the finished edge. For folded brochures, bound books and pieces with a very fine border, allow a little more room. A border that sits close to the edge can look uneven after trimming, even when the cut is accurate.

Bleed and margins are not just for brochures. They can also matter on labels, presentation folders, postcards and many custom-shaped products. If your job is being die-cut or has an unusual finish, the required allowance may be different.

Use images that are large enough to print well

A clear image on a mobile or website is not automatically suitable for print. Screens display images at a much smaller physical size than a printed poster or brochure, so low-resolution files can look soft, blocky or fuzzy when enlarged.

For most close-viewed print, aim for images at 300 dpi at their final printed size. The phrase “at final size” is the key part. An image may be 300 dpi when it is small in your layout, but fall well below that once enlarged.

Avoid lifting images from social media, screenshots, websites or messaging apps where possible. These are often compressed for quick online loading. Instead, use the original photo, a high-resolution image supplied by your photographer, or properly licensed artwork saved at a suitable size.

Large-format signage works a little differently. A billboard-style banner viewed from several metres away may not require the same resolution as a brochure read at arm’s length. However, it is still worth supplying the best original image available. Enlarging a tiny logo to cover a shop window will not create detail that was not there to begin with.

Set colour expectations before exporting

Design software often works in RGB, which is the colour mode used for screens. Commercial printing commonly uses CMYK inks. The conversion from bright screen colour to printed colour can change the appearance of some blues, greens, fluorescents and very vivid shades.

If colour accuracy matters, build your file in CMYK from the beginning or convert it before export. This gives you a more realistic view of how colours may reproduce. It does not mean every screen and printer will look identical, but it reduces surprises.

Brand colours deserve extra care. If a precise corporate colour is required, provide the relevant Pantone reference or approved colour specification with the artwork. A logo copied from a website is not always a reliable guide. For an important campaign, product launch or repeat job, a printed proof can be worthwhile.

Black also depends on the job. Small black text is normally best set as solid black only, which keeps it sharp and avoids colour fringing. Large black backgrounds may benefit from a richer black mix, but this should be set with the print process and stock in mind. If you are unsure, leave this to the production team rather than guessing.

Keep text, logos and lines print-ready

Use a clear typeface at a sensible size, particularly for contact details, pricing, event information and terms that people need to read quickly. Very light fonts, tiny reversed-out text and hairline rules can disappear or fill in, especially on textured stock or when viewed from a distance.

Where possible, use vector logos such as PDF, EPS, AI or SVG files. Vector artwork stays crisp when scaled because it is built from shapes rather than pixels. A JPG logo can be acceptable for a small job if it is high resolution, but it may look soft when enlarged for a banner, window graphic or vehicle decal.

Before exporting, make sure all fonts are embedded or converted to outlines if your software allows it. This prevents missing-font substitutions when the file is opened elsewhere. Keep an editable version of your artwork too. The supplied PDF is for printing; the original file is what you will need if a phone number, price or date changes next month.

Export a proper print PDF

A high-quality PDF is the safest choice for most print work because it holds the page size, fonts, images and layout together. Use your design program’s print or press-quality PDF setting rather than saving a low-quality PDF intended for email or web viewing.

Include crop marks only if requested, and make sure the document bleed is switched on during export. Crop marks are useful production guides, but they are not a substitute for bleed. If the file contains multiple pages, check that they are in the correct order and at the same page size.

For booklets and catalogues, supply pages as single pages unless you have been specifically asked for printer spreads. A folded A4 booklet, for example, is usually supplied as individual A4 pages, not as paired spreads. The imposition order changes according to binding and page count, so it is best handled during production.

Naming files clearly also helps. Include the job name, size, version or date, and whether the file is final. Names such as “finalFINALnew2.pdf” can cause genuine confusion when several people are approving artwork.

Check the PDF as a printed object, not just a screen layout

Open the exported PDF and inspect it at 100 per cent zoom. Check every page, including the back page. Look for missing images, unexpected white boxes, clipped text, spelling mistakes and phone numbers that have changed since the last version.

Then print a desktop copy at actual size if you can. It will not match the final stock or production colour, but it is excellent for judging hierarchy and readability. Fold it if it is a brochure. Hold it at arm’s length if it is a poster. Put the business card against a wallet or card holder. These simple checks often reveal whether type is too small or margins feel cramped.

For signage, view the design at the likely viewing distance. A detailed price list might work on an indoor counter sign but not on a roadside banner. More information is not always more effective.

When it makes sense to ask for help

Some jobs are straightforward: a one-page PDF with a photo, headline and contact details. Others need technical setup, especially vehicle graphics, large-format printing, custom cuts, folded pieces, books, plans and artwork with supplied brand colours.

If you have the idea but not a finished file, getting artwork checked before print can save time. At BMS Print & Sign, the team can help with design preparation, file adjustments and practical advice on size, stock and finishing. It is particularly useful when a deadline is close, but allow enough time for amendments and approval rather than assuming every issue can be fixed on the day.

A print-ready file is not about using complicated software. It is about making sure the piece will work in the real world: the right size, enough room around the edges, clear images, readable text and a PDF that matches what you approved. Bring those basics together and your next job starts on much firmer ground.