Single ply papers – There are many grades of paper that can be described under this heading, however generally ‘A Grade’ and recycled ‘TMP’ are generally the more recognised qualities used within paper roll manufacturers.
The main difference with these two grades is that ‘A Grade’ is a brighter and whiter paper where as recycled grades are more off white. To achieve an image on this roll a ribbon would be required in the printer mechanism.
Multi Ply Papers, are coated with a special formulation of micro capsules that are applied to either the front or back of the paper on in the case of 3 ply rolls the second copy is coated both sides.
To achieve an image on the top copy there must be a ribbon in the printer mechanism.