DELL C3765dnf Mode D'Emploi

Page de 578
Maintaining Your Printer
481
Removing the 2nd BTR
Pinching the tabs on both sides of the 2nd BTR, lift it out of the printer.
Installing a 2nd BTR
Unpack a new 2nd BTR.
Hold the 2nd BTR by both its ends.
Make sure that the arrow marks on the 2nd BTR and the printer face each other, and then press down the 2nd BTR 
until it clicks.