A fluid pathway is configured to selectively fluidically couple a printing fluid supply container to a printhead. A memory array can have both mask programmable and one-time programmable memory cells connected to the wordlines and the bitlines. A process of verifying whether the pieces of software together constitute a software package that requires protection from tampering is also provided. The method also includes promoting bonding of uninhibited areas of the entire layer of powder material by either sintering or balk deposition of chemical binders.