Confirm that the punch pattern matches the binders, filing systems, or finishing process used by the organisation. Standard three-hole filing requires consistent spacing and margin depth so sheets turn correctly and do not tear near the edge. Paper size also matters. Letter-size work may be straightforward, but legal sheets, tabbed materials, or unusual formats can require an open throat, adjustable guides, or specific die settings. Run a sample with the actual paper and binder before processing a large job. Misaligned holes can make an entire batch difficult to file even when the punch itself operates correctly. When several sizes are used, clear setup instructions and repeatable guides help operators return to the required position without relying on visual estimation.