WORKING ON A KONICA MINOLTA MAGICOLOR 2430 DL THAT WILL NOT RECOGNIZE THE TONER CARTRIDGES. IT SAYS "BLACK CARTRIGE NOT INSTALLED" SO THINKING CUSOTMER HAD INSTALL WRONG I TOOK IT OUT REINSTALLED AND THEN IT CALLED FOR THE YELLOW CARTRIDGE. TOOK IT OUT REINSTALLED THEN IT CALLED FOR THE BLACK AGAIN.
ANYBODY RUN INTO THIS BEFOR?

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