... both side printing/copying. 4. Optimized smoothness on both surface. 5. Uniform toner/ink absorption to provide good print evenness. 6 ... (210mm* 297mm), A3(420mm*297mm),8.5*11(216*279mm), 8.5*13, (216mm*330mm) ,8.5*14(216*356),11*17(279 ... . Paper color pure white luminous, the printing handwriting is clearer. 5. The opacity, both sides photocopying cannot the mutual influence 6 ...