Page: 42Service Guide ML390/391Chapter 3 Maintenance & Disassembly3.2.03 Printhead AssemblyWARNING:The printhead will be hot immediately after printing. Allow the printhead to cool before handling.· Perform this procedure: 3.2.01 .· Open the access cover (1).· Remove the ribbon cartridge (2).· Move the printhead mounting clamp (3) in the direction of arrow A to unlock the printhead (4).· Lift and remove the printhead from the carriage frame (5).NOTE:When installing the printhead, push the printhead towards the platen.P/N 50062201 Printhead: (Assembly) All RSPL A B C B.2.02 , B.2.03P/N 52104001 Ribbon All Consumable A B C B.2.12