The format specification of copy paper only adopts A series and B series. If the A0 paper is split into two equal parts along the length, it becomes the A1 size. If the A1 paper is split along the length, it becomes the A2 size, so it is split to the A8 size; the B8 paper is also split to B8 according to this method. Specification. The format sizes of A0～A8 and B0～B8 are listed in the table below. Among them, A3, A4, A5, A6 and B4, B5, B6 and other 7 format specifications are commonly used specifications for copy paper.
According to the thickness of the paper, such as 70g, 80g, 85g, 120g, etc., it means that the weight of the paper per unit area is multiple, because the density of the paper is basically the same. The weight of the paper per unit area is the heavier the paper The thicker the thickness.The copier uses 70-85g paper, and the printer generally does not use less than 60g thick paper, otherwise it will easily jam.