Lexmark X925 Maintenance Manual page 12

3
Push the imaging unit lock lever up and pull out the imaging unit with the toner cartridge attached to it.
4
Unpack the replacement imaging unit.
5
Peel off the black protective sheet and the toner sealing tape.
6
Insert the imaging unit into the printer until it clicks it into place.
7
Using both hands, push the sides of the internal cover firmly until the cover clicks into place.
Maintaining the printer
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