B5L32-60001 EMMC assembly kit designed for use with M552, M553, M604, M605, M606, M604dn, M605dn, M606dn, M552dn, and M553dn printers.This start card memory module is a replacement component intended to support device functionality by providing necessary storage for system operations.The unit integrates into compatible printer models to enable proper boot sequence and firmware execution.It serves as a direct substitute for the EMMC card in affected devices requiring repair or restoration.Installation requires standard technical procedures consistent with printer servicing guidelines.