A combination of a Network Reset , NVRAM Reset (Factory Reset) , and Toner Chip Reset usually restores full functionality. 1. Hard Reset (NVRAM / Factory Reset) This clears all stored settings (IP address, passwords, paper size).

Issue: Printer offline, Wi-Fi not connecting, "Supply Memory Error," "Jam 0," or "Replace Imaging Unit" light stuck on after refilling toner.

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