Brother MFC9840CDW fix error codes list – Compatible Printer model: Brother MFC9840CDW – Brother MFC9840CDW Error Codes with instructions guide: Code: 20 Description: Laser diode failure (K) Causes: 1 Laser unit harness connection failure. 2 Laser unit failure. 3 Engine PCB failure Remedy: 1 Laser unit harness connection failure Check the two harness connections of […]
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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%) !!!