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Laser Printer Paper - A3 Size and its Equivalent

Although there have been many systems developed for defining a standard for paper size(s), the International paper size standard (ISO) and North American sizes are the 2 most widespread systems currently in use.

 

International Organization for Standardization (ISO 216)


Series A3
297 x 420 mm
11.69 x 16.54 inches
Aspect Ratio 1.4142 (Square root of 2)

 

Successive paper sizes in the series are defined by halving the preceding paper size along the larger dimension (longer side)
e.g. A1 halved→A2.  A2 halved→A3.  A3 halved→A4 etc. 


American National Standards Institute equivalent to A3

 

ANSI B (Alias: B or Tabloid or Ledger in specifications)
279 x 432 mm
11 x 17 inches
Aspect Ratio 1.5455

 

 

Differences in standards can give rise to compatibility issues when North American/Canadian individuals and businesses work with the international community. However, by being aware of the situation, documents can be prepared with minimal extra effort or time to ensure that text and images fit either format at a 1:1 reproduction. In addition, don’t assume that an A3 laser printer can print in both formats, although most modern wider format printers can print in both A3 and 11x17”.

If this facility is an important issue, always consult the manufacturer's specifications to ensure that both formats are supported. However, be aware that sometimes the manufacturer's specifications for a given printer model may differ depending on its respective targeted market.
Examples:
FS-C8100DN listed as a 11x17” printer in the US and an A3 printer in the UK. 
FS-C8500DN shown has having a Duty Cycle of 225,000 in the US and 150,000 in the UK.


Articles

1 History of Laser Printers
2 How do Laser Printers Work?
3 LED and LCD Printers - Are these Laser Printers?
4 Laser Printer and Photocopier - What is the Difference?
5 Laser Printer Paper - A3 Size and its Equivalent
6 Toner Cartridges - What are the Different Types?
7 Choosing a Laser Printer – How to Make an Informed Choice
8 Where to buy a Laser Printer and its Consumables - High Street v Internet
9 Basic Maintenance of Laser Printer
10 Who uses A3 Laser Printers?
11 A3 Laser Printers compared to A4 Laser Printers
12 A3 Colour Laser Printers compared to A3 Monochrome Laser Printers
13 A3 Colour Laser Printers compared to A3 Colour Inkjet Printers
14 Why does a Laser Printer cost more to buy than an Inkjet Printer?
15 Laser Printers: Health and Safety

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