RAM & Memory Upgrades
256MB 144-PIN DDR2 SODIMM MEMORY RAM COMPATIBLE WITH PRINTERS (CC415A, CLP-MEM202, 311-9272, CB423A, MDDR2-256)
SIZE/CAPACITY: 256MB VOLTAGE/POWER CONSUMPTION: 1.8v CAS LATENCY: N/A SPEED: N/A TYPE/INTERFACE: 144-PIN DDR2 SODIMM 144-PIN DDR2 SODIMM
https://www.bizrate.co.uk/ram_memoryupgrades/256mb-144-pin-ddr2-sodimm-memory-oid2323005624.html