Canon printer package referring to error code E414, a small RAR archive of about 1.16 MB in the firmware category. The name states only the brand and error code, without a model, so open the archive to see which printers and what tools or files it covers. Canon E-series codes typically point to cartridge or printhead issues, and service files help with diagnosis or reset. Check that the contents match your printer model and follow the included procedure carefully before writing anything to the device.
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 →