Large-Format Scanning vs Standard A4 Scanning
Standard A4 scanning and large-format scanning are fundamentally different processes requiring different equipment, different handling and different pricing. If your archive includes A3 pages, architectural drawings, engineering plans, maps or any documents larger than A3, understanding the differences helps you plan and budget accurately.
Standard A4/A3 Scanning
Standard production scanning covers A4 and A3 documents — the sizes that make up 95%+ of typical business archives. Production scanners with automatic document feeders process these sizes rapidly:
- Speed: 60-300+ pages per minute for A4
- Fully automated feeding with duplex (double-sided) scanning
- Cost: 3-15p per page depending on volume and preparation
- Well-suited to invoices, contracts, correspondence, reports, forms and all standard business documents
Large-Format Scanning
Large-format scanning covers anything bigger than A3 — typically A2 (420mm × 594mm), A1 (594mm × 841mm) and A0 (841mm × 1189mm). These are commonly architectural drawings, engineering plans, site maps, survey documents, historical maps and some legal or property documents.
Large-format scanning requires specialised equipment:
- Wide-format scanners (typically 36″ or 44″ scan width) costing £10,000-£50,000
- Manual feed — most large-format documents cannot be auto-fed and must be hand-guided through the scanner
- Slower processing — each sheet takes 30-120 seconds depending on size and resolution
- Specialist handling — large documents are often fragile, folded or rolled, requiring careful preparation
Cost Comparison
- A4 scanning: 3-15p per page
- A3 scanning: 10-30p per page (some production scanners handle A3; others require a separate A3 scanner)
- A2 scanning: 50p-£2 per sheet
- A1 scanning: £1-£3 per sheet
- A0 scanning: £2-£5 per sheet
The cost increase for large format reflects the slower throughput, more expensive equipment and manual handling required.
Practical Considerations
- Resolution: Architectural and engineering drawings often need higher resolution (400-600 DPI) to capture fine lines and small annotations. This increases scan time and file size
- Colour: Many large-format documents are black and white line drawings, which scan quickly and produce small files. Coloured maps and drawings take longer and produce much larger files
- Condition: Large documents are frequently folded, rolled or damaged at the edges. Preparation — unfolding, flattening, sometimes humidifying rolled documents — adds time and cost
- Output format: PDF and TIFF are standard. Some organisations also need DWG or other CAD-compatible formats, which require additional processing
Get a Free Quote
Every project is different, so the best way to understand your options is to get in touch with our team. We provide clear, no-obligation advice — usually within the same day.
Call us on 01691 650355 or use the form below.





