The DF-505 provides superior folding versatility with all its features, performance, and reliable compact frame. Standard features include a 4-digit counter that can be reset to keep accurate count of folded documents, special "cross-folding" for right-angle folding, two knobs to make fine-tune adjustments, adjustable receiving roller to ensure smooth delivery, accommodation to six popular folds and five paper sizes, and a jam detector that automatically halts operation. A tray tension control feeds a wide range of paper stocks quickly and easily. The DF-505 can be adjusted to provide versatility for non-standard paper lengths and folds. Folding at speeds up to 120 sheets per minute, professional documents are neatly folded with crisp, accurate folds.