Sharp Error VK VC VM VY MX5110N 5111N 4140N 4141N 5140N 5141N 4110N Replace Developer / Light Print 

This video will show you how to replace developer in the Sharp MX4110 and MX4140 series Copiers.
Order developer here:
Black Developer amzn.to/3o4qkxX
Color (CMY cyan magenta yellow) Developer amzn.to/3Mk1oMn
Toner Vacuum amzn.to/42x9wPk or amzn.to/3BiPfky
Reasons to change developer are:
Poor Print Quality
Abnormal internal dusting due to old carrier
This will also show you how to get into service mode and run a test print page.
enjoy!