Vấn đề
<CLOSE COVER/TONER COVER> is displayed on the LCD.
<CLOSE COVER/TONER COVER> is displayed on the LCD.
Nguyên nhân và Giải pháp
The toner cover is not closed completely.
Check the toner cover, and make sure that it is completely closed.
Install Toner Cartridge
1. Remove the toner cartridge from the bag.