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OKI A3 Colour Printers

Print Your Retail Signage In-House

Find out how a compact colour printer lets your store print price cards, posters and banners on demand.

What is a retail signage printer?

A retail signage printer is a printer a shop uses to produce its own in-store signage, such as price cards, shelf signage, posters and banners. It usually sits in the store or back office, so staff can print signs in-house and on demand.

Shops have two main routes. The first is a compact colour printer for point of sale (POS) material, meaning the signs and displays where shoppers choose and pay. The second is large format printing, which uses specialist machines for very big graphics.

Large format work is usually ordered from a print service provider (PSP). A PSP is a business that prints and delivers signage for other companies.

Why in-store signage still matters

Physical shops still matter. The ONS retail sales bulletin for Great Britain reports that "the proportion of sales made online fell from 28.9% in August 2026 to 28.8% in September 2026." So in September 2026, most retail sales in Great Britain were still not made online.

Signage can also influence what people buy. A Journal of Marketing signage study found that "digital signage increases the likelihood of purchasing featured products by 8.1%." The research looked at digital screens in stores, so printed signs were not measured.

Clear price labels matter too. The Competition and Markets Authority (CMA) checked grocery stores in 2023 and published its findings. The CMA unit pricing review found "examples of shelf edge labels being obscured by promotional information or by shop fittings."

What can a retail signage printer produce?

A compact colour printer can handle much of the everyday signage a shop needs. Here are the most common jobs:

  • Price tickets and shelf signage: Small cards and labels that keep prices and product details clear on the shelf.
  • Shelf wobblers and talkers: Small signs that stick out from the shelf edge to draw attention to an offer.
  • Posters: Prints for seasonal campaigns, new arrivals and window displays.
  • Hanging and double-sided banners: Signs above the aisles that guide shoppers to departments and offers.
  • Pre-cut media: Ready-shaped sheets for items such as door hangers and bottle collars.
  • Waterproof signage: Robust, waterproof signs for fresh produce and freezer aisles.

The OKI retail printing solutions page lists pre-cut media for "door hangers, bottle collars and much more." It also states that "OKI's printers can even print on waterproof and UV resistant media".

Grocery stores have their own needs. The page on signage for food and grocery stores describes waterproof signs that are "Perfect for the fresh produce and freezer aisles". It also covers double-sided banners hung above the aisles to help customers find offers, plus safety signs.

Fashion stores print a different mix. OKI's guide to printing for clothing retailers mentions clothing tags, rack labels and accessory shelf signage. These help keep pricing and product information clearly visible.

Types of retail signage printer

Not every sign needs the same kind of printer. Some compact colour printers use digital LED (light-emitting diode) technology.

Large format (or wide-format) printers use inkjet technology to print on materials such as vinyl and fabric, as the ASI wide-format print primer explains. The table compares the three main options.

Printer type How it works Typical signage Best for
Compact colour office printer (A4 or A3) Desktop printer, often LED, kept in the store or back office Price cards, shelf signage, posters and banner-length media Frequent changes and small runs, printed in-house on demand
Large format printer Roll-fed or flatbed specialist machine for very wide media Very large graphics, window wraps, vinyl and fabric Big displays, usually produced by a PSP
Outsourced print service provider An outside business prints and delivers your order Any size and finish Large or specialist jobs, where lead times and minimum order quantities typically apply

Print in-house or outsource your signage?

Both routes have a place in retail. The real choice is between speed and control in-house, and very large formats or specialist finishes from a partner.

When printing in-house makes sense

In-house printing suits shops where prices and promotions change often. When a supplier's lead time is longer than the offer itself, printing your own signs keeps the shop floor accurate.

It also helps with small, store-specific runs. If a supplier's minimum exceeds what one store needs, extra signs can become excess stock, go out of date after a promotion and add unnecessary cost. Printing in-house lets each store print only what it needs.

Brand consistency is easier to manage when the process stays under your control. Staff can print from approved templates, so every store uses the same fonts, colours and layouts.

OKI's page on in-store banner and poster printing says you can "print big or small from one compact device." OKI's clothing retail page also describes "bringing printing instore, on demand, saving time and costs on outsourced printing".

When outsourcing still makes sense

Some jobs are better suited to large format equipment or a PSP. These include window wraps, building wraps, floor graphics, rigid boards, fabric displays, outdoor signage and specialist finishing.

Many shops combine both routes. They print fast-changing signage in-house and order big seasonal installations from a PSP.

Some supermarkets also use electronic shelf labels, which the CMA review notes can make price changes easier. Printed signs remain useful for posters, banners and promotional displays around the store.

How to choose a retail signage printer

Before you compare models, list the signs you print most often. Then work through these six questions.

  1. Size: Decide whether you need A4, A3 or banner-length media for hanging signs.
  2. Media: Check the paper weight range in gsm (grams per square metre), plus support for card, pre-cut and waterproof media.
  3. Volume: Estimate how many signs you print each week and how often prices or promotions change.
  4. Space: Measure the free space in your store or back office, as a compact printer fits more easily.
  5. Documents: Decide whether the same printer must also print reports, rotas, forms and letters.
  6. Colour: Ask for sample prints with your logo and brand colours to check colour quality and brand consistency.

Your answers will point you towards an A3 or an A4 colour printer. The next section shows how two OKI options fit those needs.

Which OKI printer suits your shop?

OKI makes compact colour printers that handle in-store signage alongside everyday documents. The right choice depends mainly on the largest size you need.

C800 Series C651
Format A3 colour A4 colour
Sizes A6 up to A3 sizes, plus banners From B8 sizes to lengths up to 1.32m
Media weight 64gsm to 256gsm 60 gsm up to 256 gsm
Colour technology In-built digital LED technology Rich LED colour output
Typical uses Pre-cut media, signage, posters, shelf displays, banners Signage, POS materials and everyday documents
Best fit Shops that want A3 posters and larger signage Smaller stores printing price cards, shelf signage and POS

The OKI C800 Series A3 colour printers suit shops that want A3 posters and larger signage. OKI's in-store banner and poster printing page describes the C800 Series' "in-built digital LED technology" for results "on demand, in house". It also states the series can print A6 up to A3 sizes, plus banners, on stock from 64gsm to 256gsm.

If A3 posters and shelf displays are your main need, open the C800 Series page. Compare the models there against your checklist answers.

The OKI C651 A4 colour printer suits smaller stores that mainly print price cards, shelf signage, POS and everyday documents. OKI's C651 product description says it helps retailers "react quickly to pricing changes, promotions, and seasonal campaigns". The product description also lists support for media from 60 gsm up to 256 gsm and lengths up to 1.32m.

The same description lists print speeds of up to 35 A4 pages per minute and "rich LED colour output". The product description also notes that its "compact footprint and robust design" suit busy retail spaces where space and uptime are critical. If A4 signage and daily documents are your priority, go to the C651 page and use its Buy Now button.

Frequently asked questions

These short answers cover common questions from shop owners who are new to printing signage. Use them as a quick reference before you choose a printer.

What type of printer is best for retail signage?

It depends on the size of your signs and how often they change. A compact A3 or A4 colour printer suits fast-changing in-store signage, while large format equipment or a PSP suits very large graphics.

Can an office printer print banners?

Some compact colour printers accept banner-length media, and the C651 supports lengths up to 1.32m. Always check the media specification on the product page before you buy.

What materials can I use for in-store signs?

Depending on the printer's specification, you can print on paper and card of different weights, pre-cut media and waterproof media for fresh produce and freezer aisles. Large format printing adds options such as vinyl, fabric and rigid boards.

Should I buy a printer or outsource my retail signage?

Buying a printer makes sense if your signage changes often and you print small runs. Outsource very large or specialist work, and remember that many shops use both routes.

How much does retail signage printing cost?

Cost depends on your print volume, sizes and media, and on whether minimum order quantities leave you with unused stock. Compare your expected cost per print in-house with quotes from outsourced suppliers.

Next step: print your signage when you need it

Delays, minimum order quantities and mismatched signs all come from relying on someone else's timetable. A retail signage printer in your store puts that timetable back in your hands.

If you need A4 price cards, shelf signage and everyday documents, the C651 is the simpler fit. Compare the specifications, then contact OKI about the C651 using the form behind its Buy Now button.

Are you weighing up the C800 Series for A3 posters, or a mix of printers across several stores? You can request a retail printing callback and talk through your signage plans with OKI.