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MF642Cdw prints light. Firmware will not update.

lallen
Apprentice

Prior to changing the empty genuine toner cartridges to new genuine toner cartridges, the print quality was fine.  However, now, the print quality has changed and it will not print darker.  It copies fine. For example, if a copy from the feeder or the glass, the copy will come out dark/normal.  However, printing from my Macs, it continues to print light.  

I have tried the following:
-Reset/restart printer
-Reseating the toner cartridges and gently shaking them to make sure the toner is evenly distributed.
-Cleaning the fixing assembly and the ITB using the steps in the link
HERE.
-
gradation adjustment from the operation panel on the printer.

other issues I have include:
-firmware will not update from internet or computer
-scan to computer does not work.  It worked fine in December 2023 and now it will not scan anything.Screenshot 2024-03-22 at 11.34.32 AM.png

 

#Imageclass MF642Cdw

#ImageclassMF642Cdw

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