Sharp DM-4551 DM-3551 DM-4551 Operation Manual Suite - Page 282

DEVELOPER CARTRIDGE REPLACEMENT When replacement of the developer cartridge is needed, a message indicating the need to replace it will appear in the display. Follow the procedure below to replace the developer cartridge. The machine as shipped from the factory does not have a cartridge installed. Follow the same procedure below to install the first cartridge but omit step 3. 1 Open the front cover. 4 Remove a new developer cartridge from the bag and remove protective materials A and B. Remove the tape and A protective material A. 2 Lower the cartridge lock lever. Remove the tape and protective material B. 3 Remove the developer cartridge. Push the lock release button and pull out the developer cartridge until it stops. B 5 Shake the new developer cartridge horizontally 5 or 6 times. Push the lock button at the rear side and remove the developer cartridge. 6 Insert the new developer cartridge. 6