Firmware package for the Samsung ML-2545 and ML-2540 monochrome laser printers, version V1.01.00.24, described in the name as a fix firmware (the name misspells the brand as Sumsung). The RAR is about 467 KB. Fix firmware of this kind is generally used to change how the printer handles toner cartridge chips, so check local rules and warranty status first. Confirm the exact model and current firmware version on a configuration report before flashing, and keep the printer powered throughout the update to avoid bricking it.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →