Summary: Ordering custom-printed packaging for the first time? These are the most common printing mistakes cafés, bakeries and retailers make — from low-resolution logos to skipping a physical proof — and how to avoid them before you commit to a bulk order.
Why small printing mistakes get expensive fast
Custom packaging is almost always ordered in bulk, which means a mistake you wouldn't notice on a one-off print job gets multiplied across hundreds or thousands of cups, bags or boxes. Most of the printing mistakes that cost UK café and retail owners money aren't about bad design — they're simple, avoidable technical issues that show up only once the order has already been printed. Here are the seven that come up most often, and what to check before you place a bulk order.
7 custom packaging printing mistakes to avoid
1. Stretching a low-resolution logo to fit
A logo pulled from a website or a social media profile is usually far too low-resolution to print cleanly at the size needed for a cup, bag or box. On screen it looks fine; printed at several inches wide, it comes out blurry or pixelated. Always work from the original vector file (AI, EPS or high-resolution PDF) if you have one, and ask your printer whether the file you're sending is good enough before it goes to print, not after.
2. Sending artwork in the wrong colour mode
Designs built in RGB — the colour mode used for screens — often print duller or noticeably different once converted to CMYK, the colour mode used for most packaging print runs. A bright screen-blue logo can come back printed looking flat or slightly purple. If brand colour accuracy matters to you, ask your printer to convert and show you a proof in CMYK before the full run goes ahead.
3. Ignoring bleed and safe zones
Packaging artwork needs extra margin (bleed) around the edges to account for how boxes, cups and bags are cut and folded, plus a safe zone that keeps important text and logos away from edges that might get trimmed or folded over. Artwork designed edge-to-edge with no bleed often ends up with a visible white sliver, or worse, a logo partially cut off.
4. Not checking the minimum order quantity first
It's easy to design exactly what you want and then discover the minimum order quantity is far higher than you need, or that a smaller print run costs disproportionately more per unit. Check MOQs and pricing tiers for your chosen product before finalising artwork, so you're designing around a quantity and budget that actually works for your business.
5. Choosing a material or finish that doesn't suit the product
A finish that looks great on a flat sticker can behave differently on a curved cup or a textured bag. Matte finishes hide small marks better on takeaway packaging that gets handled a lot; glossier finishes can show fingerprints more easily. If you're not sure, ask what finish is typically used for your product type before committing to a full order.
6. Skipping a physical proof before the bulk run
A design that looks correct on a screen can look different once printed on the actual material, at the actual size, under normal lighting. Wherever a printer offers a physical sample or proof before the full order is produced, it's worth the short delay — catching a colour or sizing issue on one sample is far cheaper than discovering it on a pallet of finished stock.
7. Forgetting lead times when rebranding
If you're mid-rebrand — a new logo, a new name, updated colours — ordering new packaging too early (before the design is finalised) or too late (without enough lead time before old stock runs out) both cause problems. Plan your packaging reorder around your rebrand timeline, not the other way around, and build in a buffer for a proof and any revisions.
Getting it right before you order
Most of these mistakes come from treating packaging artwork like a logo file you already have, rather than a print-specific asset that needs checking for resolution, colour mode, bleed and material fit. If you're ordering custom stickers, cups, or printed bags and boxes for the first time, ask for a proof, double-check your file format, and confirm your quantity and lead time before you commit — it's a lot cheaper to fix on screen than on a finished batch.