Abstract: In order to reduce environmental damage by toner refill cartridges constructed as disposable articles, it is proposed, in a developer station which is provided by the manufacturer with a shaft (2) to receive toner refill cartridges, to use said shaft (2) as an additional tank closed off by a lid (3), it being possible to refill said tank via a refill opening (6).
Type:
Grant
Filed:
May 14, 1990
Date of Patent:
February 9, 1993
Assignee:
berolina Schriftbild Wilcke, Wolff, Busch & Partner KG