The digital printing market is changing faster now than before and the ability to adjust to new situations has become more importat to a printing company. An efficient internal communication is essential. At Elanders Digitaltryck a decision was made in august 2002 to look over the shift working system for the printer operators. In this paper, an investigation of the possibilities to change the existing system to a better one was made. The project resultet in four different timetabels. The construction was based on theoretical studies and an analysis of the current situation at the workplace. The analysis showed that a strong resistanse against a change of the working hours exists among the workers and that this should be considered before a decision is made. An analasys of the printers counters shows that they are used more efficient during shorter shift periods compared to the longer ones. A closeer look at the abcense due to sickness shows that it is relatively high but no connection between abcense and working hours could be made. Working hours is a sensitive issue and should be treated with care. It is important that the workers are well informed and preferly involved in the development of a new timetable.