Printing problems: Addressing operating and runnability issues

摘要

When FPInnovations introduced the Roll Testing Facility (RTF) at its Web and Roll Centre, the industry could not get enough of the service that helps papermak-ers solve printing problems. Nothing resembling it exists elsewhere in the world. When paper rolls leave the mill for the pressrooms, engineers hope that the paper quality evaluated at the mill site is sufficient to predict the performance on the press. However, experience shows that this is not always the case.