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053376S LX400 UPGRADE
LX400 Firmware Upgrade for 053376S
IMPORTANT: This 053376S ink cartridge for LX400 can only be used with units containing a serial number of 2120700001 or greater (manufactured later than July 1st 2012). If your serial number is less than/earlier than this you cannot use this cartridge.
If your serial number is greater/later than 2120700001(manufactured later than July 1st 2012), to use the cartridge, you must perform a firmware upgrade. Download and run the utility located at the link below to upgrade your firmware. There is no firmware update available for Mac users.