What combination of DIMMs can be used to upgrade an HP LaserJet 9050 Series printer?

A.
Single Inline Memory Modules (SIMMs) only

B.
Single Inline Memory Modules (SIMMs) can be used in conjunction with Dual Inline Memory
Modules (DIMMs)

C.
Dual Inline Memory Modules (DIMMs) only

D.
Double Data Rate SDRAM (DDR DIMMs) only