... steady, multitudinous production of single page letter² Cooperation with laser printers of different brands² LED intelligent control, easier operation and ... all kinds of folding secret letters² Folding pattern: Z, C, V, EV, EZ shape foldSpecification of Pressure Sealer ... weight80-120gsmPaper sizeA4 legal letter or special standardFold patternZ, C, V, EZ, EVPaper feeding styleRD-610 paper separate ...