They can also be adjusted for special mail handling, such as certified mail or express service. Some machines offer the features of both scale and postage meter. Some advanced systems offer bar code printing and codes to support rapid handling by the U.S. Postal Service. Folding and inserting equipment can greatly speed up the process of mass mailings. It can also reduce labor costs by allowing one staff member or volunteer to do the work of several.
Options range from simple folding machines to more complex systems that combine functions.
For example, a single system might collate, fold, and insert letters, then automatically seal each envelope. Most churches won't need more sophisticated options, but some might benefit from features such as automatic sheet feeding, folding of oversize materials, and insertion of prefolded materials. Neopost and Pitney Bowes offer folding and inserting equipment. More Useful Equipment Other types of office equipment can increase mail efficiency, too. Duplicators, for instance, can help ready materials for mailing.