When rollers, cylinders and drums are purchased for replacement on existing equipment the diameter should be verified for size. Often, mistakes are made and the wrong size of components are shipped to the customer. These tools are not essential in many cases. Pressrooms have lived without many of the tools for years, and rely on service technicians to have the tools necessary to complete any work they perform. But a well-stocked tool box can, in some cases, eliminate the need to call a service technician.
Equipment fails through normal wear and through abuse.
The pressroom needs to be prepared to repair the unit or folder when it becomes inoperative. Having a well-stocked tool box will to save valuable time and reduce the overall down time expenses.