On the children to school, when they come home from school every day, also will not use laser engraving print learning materials, families to children learn more convenient, but also to be able to more time counseling children’s homework, most parents will consider to install a home laser engraving to print information, at the same time in the process of printing materials, and also can give children counselling homework, no longer to go out to give him a printout of the queue for a long. The teacher assigned homework finished, also will have some time to prepare the second day’s homework, use good, feel time will find children’s study will unconsciously improve a lot!