Brother MFC7840N fix error codes list – Compatible Printer model: Brother MFC7840N – Brother MFC7840N Error Codes with instructions guide: Code: 50 Description: Replacement time of the drum unit Causes: • Replace the drum unit with a new one. Remedy: 1 Main PCB failure Replace the main PCB ASSY. Code: 56 Description: Fuser cover opened […]
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Epson Wic Key
Fix Epson red lights blinking with errors: Service Required, A printer's ink pad at the end of its service life Please contact Epson Support. Guaranty 100% money back if it does not work (counter still 100%) !!!