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HP2542
Microsoft Windows 10 (64-bit)

My HP2542 printer worked fine with a Cox modem. After switching to CenturyLink, it will not connect to the new modem ( a C4000lg). My computer is connected wirelessly to the modem and via USB cable to the printer. When I try to connect the printer wirelessly, I receive an error message saying that the passwords do not match. I am inputting the same password used for the computer/ modem connection. The modem is using both 2.4 MHz and 5.0 MHz. I have tried the WPS method. I have tried resetting both units. The modem connects to multiple devices using the same password that I input into the printer setup. The printer and modem  are approximately three feet apart. Any help would be greatly appreciated.   

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