A2, Large Format and Bulk Printing: How to Find a Printer Who Can Actually Handle It

Small jobs are forgiving. Almost anyone can print you fifty flyers and get away with it. Big jobs are not forgiving at all, and the gap between printers only really shows up once the quantity or the size goes up.

Why big jobs expose weak printers

Here is the thing about volume: consistency becomes the whole game. Printing one good poster is easy. Printing three hundred posters where number 287 looks exactly like number 3 is a completely different skill. It needs a machine that holds its calibration, someone checking between runs, and enough capacity to do it in one sitting rather than in batches across three days.

Size does the same thing. An A2 sheet is four times the area of A4. Any inconsistency in how ink lays down, any slight misalignment, any warp in the paper — all of it becomes four times more visible. On a business card you would never notice. On a poster on a wall, everyone notices.

So when you take a big job to a printer, you are not really asking “can you print this”. You are asking “can you print this three hundred times without drifting”. Those are different questions and they deserve different answers.

Understanding the sizes

Worth knowing what you are actually asking for, because “big” means different things to different shops.

Size	Dimensions	Typical use
A3	297 × 420mm	Small posters, menus, notices
A2	420 × 594mm	Event posters, wall notices
A1	594 × 841mm	Large posters, presentation boards
A0	841 × 1189mm	Exhibition panels, technical drawings
Banner / flex	Any size	Outdoor, backdrops, billboards

Each step up doubles the area. A2 is double A3. A1 is double A2. That matters for price, and it matters for whether a shop can actually do it.

The questions that actually tell you something

You do not need to know printing to work out whether someone can handle your job. You just need to ask questions that are hard to bluff.

“What is the largest sheet your machine takes?”

Straightforward question, and a printer will answer it in about a second because they know their own equipment. Vagueness here tells you what you need to know.

“Will my job print in one run?”

This is the one that matters most for bulk. Jobs split across days, or across machines, are where colour drift creeps in. A printer with enough capacity says yes plainly. One who is going to break it up will hedge.

“Can I see something similar you have printed?”

Not photos from the internet — an actual finished job at a comparable size and quantity. Anyone doing real volume has samples lying around.

“Digital or offset for this quantity, and why?”

The answer matters less than whether they can explain it. Someone who understands the trade-off is thinking about your job. Someone who cannot is guessing.

“Can you run a proof before the full quantity?”

For anything above a couple of hundred pieces, this should be a straightforward yes. If it is not, that tells you something.

What should happen to the price

This is where a lot of people get caught out, so it is worth being clear about how print pricing actually behaves.

Printing has a big fixed setup cost and a small per-unit cost. Getting a job ready — files checked, machine set, colours dialled in, plates made if it is offset — takes roughly the same effort whether you are printing 100 or 1,000. Once it is running, each extra copy costs comparatively little.

Which means your per-unit price should drop noticeably as quantity goes up. If a printer quotes you the same rate per poster for 500 as for 50, they are either brokering the job or not thinking about it properly.

The digital-to-offset switch

Digital has almost no setup, so the per-unit price stays flat no matter how many you print. Offset has real setup — plates have to be made — but then runs cheaply and fast.

The crossover usually sits somewhere around 500 to 1,000 copies depending on the job. Below that, digital wins. Above it, offset gets dramatically cheaper per unit and the gap widens the more you print.

So if you are quoted a flat per-unit rate on a run of 2,000, ask whether offset was considered. It may well be that nobody ran the numbers.

Warning signs on big jobs

• A price that is far below everyone else. On volume work the gap between quotes should be modest. A quote at half the others usually means different material, different machine, or a broker who has not understood the job.
• No proof offered. On a large run this is the single biggest red flag.
• Vagueness about equipment. Real printers talk about their machines readily.
• No question about your deadline. Capacity planning is half the job on bulk work. Someone not asking when you need it is not planning.
• Nobody mentions paper weight. Large sheets in light stock warp and curl. A printer who knows large format will bring this up unprompted.

Getting your files right for large format

Big prints are less forgiving of weak artwork, for the same reason they are less forgiving of weak printing — everything is bigger.

• Vector wherever possible. AI, EPS, PDF or SVG scale to any size without softening. This matters far more at A1 than at A5.
• If raster, work at final size. A 300dpi image at A4 becomes a 150dpi image blown up to A2. It will look soft.
• Bleed on all edges. 3mm minimum, more for very large formats.
• Mind the viewing distance. A poster read from three metres does not need the resolution of something held in the hand — but the type needs to be much larger than looks right on your screen.
• Keep important content away from the edges. Trimming tolerance is proportionally wider on big sheets.

Planning a bulk job properly

The single most useful thing you can do is work backwards from your deadline, and be honest about the dates.

1. Fix the date you actually need them in hand
2. Take off two days for delivery and anything going wrong
3. Take off the production time for the quantity
4. Take off two days for proofing and approval
5. Take off however long the artwork still needs

For 500 A2 posters, that usually means artwork approved a good week before you need them. Not two days. Our turnaround guide goes through the timings in more detail.

And one more thing: order slightly more than you need. On a run of 300, printing 320 costs very little extra, and it means damaged pieces or a last-minute extra venue do not turn into a reprint. Reprinting a short run at the last minute is always the most expensive printing you will ever buy.

For how the wider Lagos print trade works and how to compare quotes across shops, see our guide to buying print in Shomolu.

Common questions

How do I know if a printer can really print A2?

Ask what the largest sheet their machine takes. Some shops print two A3 sheets and join them, which leaves a visible seam and often a colour step across the join. A printer with genuine large format capability answers the question immediately.

Should my per-unit price drop when I order more?

Yes, noticeably. Print has a large fixed setup cost and a small per-unit cost, so the more you print the less each piece costs. A flat rate regardless of quantity suggests the job is being brokered or has not been properly costed.

At what quantity does offset become cheaper than digital?

Usually somewhere between 500 and 1,000 copies, depending on the job. Digital has almost no setup so its per-unit price stays flat. Offset has plate setup costs but then runs far cheaper per unit at volume.

What file format should I send for large format printing?

Vector formats such as AI, EPS, PDF or SVG are best because they scale without softening. If you must send a raster image, it should be built at or near the final print size rather than scaled up from a smaller file.

Should I order extra on a bulk print run?

Yes. Adding a small overage costs very little while the job is already running, and it protects you against damaged pieces or last-minute extra needs. Reprinting a short run afterwards is the most expensive printing there is.

How far ahead should I order a large print job?

Work backwards from your deadline: two days for delivery and problems, the production time, two days for proofing, plus artwork time. For several hundred A2 posters that usually means artwork approved about a week ahead.