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Re: oki c5400 communication error
This means that the interface type settings are incorrect in the Printer Menu and might be due to trying to use half duplex comms instead of full duplex, you are trying to use TCP/IP when the printer has this option turned off. It could even be as simple as something wrong with the interface cable being used or a mismatch in USB1.1 to V2.
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The figure after the K drum Life tells you how much life there is left on the BLACK (K) drum. C indicates Cyan, M indicates Magenta and Y indicates Yellow. Go to the USAGE MENU and look at the K DRUM LIFE setting. This will be a 2 digit percentage value. As you have just seen the message appear this will mean that the drum life remaining is ....whatever the 2 digit value displays. The life expectancy of a drum is approximately 15,000 pages.
Magenta toner sensor error. Reseat drum unit. check toner cart. Take out the key that prevents you from putting drums in wrong slot and swap the whole drum and toner assy with another color, if it follows the magenta unit then that is the problem somehow.