Printing schedule is needed for example, in following cases. We have older people at work who don't use smartphones or can't conveniently see their working hours from there (numbers are small) and prefer to look at it in print. Some employees want to add the schedule to a place visible to the family (on the fridge with a magnet) so that the monthly schedule is visible to all family members. We also have disabled people at work, who in turn have to submit a schedule to their guardian/support person