Xerox DocuPrint C2428 User Manual page 210

7.1 Replacing Toner Cartridge
5
Adjust the arrow mark on the toner
cartridge to the key-mark ( -mark)
position, and push it in to the end.
6
Turn the toner cartridge clockwise until
it comes to the key-mark ( -mark)
position, and fix it.
The toner cartridge will not turn unless inserted to the
correct position.
7
Close the front cover.
"Ready to print" appears.
7
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