When printing with custom paper sizes, sometimes your image can be printed off centre as the printer tries to factor in it's minimum margin width and miscalculates the dimensions.
We use the following method to improve our results:
Firstly - very few printers will print full bleed to custom paper
sizes, so it is best to consider this in your design and leave at least
0.5cm around the edges, if not more.
If you really want full bleed printing, there are two options: