However, printers (both desktop printers and commercial printing presses) are imperfect devices. Paper can shift ever-so-slightly during printing or during the trimming process when cutting a document printed on larger paper down to the final size. This shift can leave tell-tale white edges where there should be none. Photos that are supposed to go right to the edge now have a little unintended border on one or more sides.
A bleed allowance helps to compensate for those tiny shifts by extending photos and other artwork a tiny amount beyond the edges of the document. If there's a slip during printing or trimming whatever was supposed to go to the edge, still does.
A typical bleed allowance is about 1/8th of an inch (.125 in) or 3mm. For commercial printing, check with your printing service to see if they recommend a different bleed for their presses or printing method.
In Microsoft Publisher 2010, if you use
Page Design > Page Background to give your page a solid, gradient, or other fill the program will automatically set a bleed allowance when printing to your desktop printer (that's how the background was done in the example). But for anything else you put on the page — text, shapes, pictures — you'll need to manually extend that item beyond the edge of your document.
- This page Bleeds and Bleed Allowance
- Printing Without Bleed Allowance
- Create Bleed Allowance: Method 1
- Create Bleed Allowance: Method 2
- Printing With Bleed Allowance
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