Saddle Stitchers — A Staple of Fine Finishing

"Second, not only do buyers have to examine the operational differences of the machine, but also the setup and maintenance in relation to time and the company's technical staff's abilities. For example, how complicated is it to do a trimmer knife change and how long does it take? The Vijuk trimmer has an easy access, single-assembly knife change that takes only about 20 minutes. Other manufacturers may have several sub-assemblies that have to be removed before you can get to the knife assembly, and it will take about an hour to make the knife change."