How long to clean a card printer?

Now too many places are using the card printer , we ride the subway card, when you go to the bank to withdraw money into the bank card, go to a copy shop to print something, we usually use the machine ID card, Medicare card, bus card, is a card printing machine made. So the use of the card printer friend, how often should clean a card printer?
When the card is producted, the card will inevitably with dust, after the delivery wheel transmission, the dust will remain in other parts of the transfer wheel and printer, resulting in production out of the card quality can not be achieved. In order to solve this problem, we produce the card printer cleaning card can be applied to different card printer, especially our cleaner production CR80 card, use range is the most extensive. As long as the card appears fuzzy signs, or the printer is not working, this time on the need to take the clean clean printer.