Lexmark 912 用户手册

Push the waste toner arm until it snaps into place over the photodeveloper. 

Repeat steps 2 through 5 to install additional toner cartridges. 

Before closing the top cover make sure everyone is away from the printer and the 
area under the cover is free of hands, clothing, and other items. 

Close the top cover and the front door. 

Note: If you need instructions on how to close the top cover, see 

For instructions about replacing other supply items, click one of the following headings: 

After replacing the fuser or transfer belt, you must reset the maintenance counter.