Kyocera M3550idn Default Password

If this is a company printer, do not attempt to reset it yourself. Your IT department likely set a specific security policy. Contact them for the credentials.

Option 1: Check common admin passwords

Option 2: Hardware Reset (restores defaults including password)
⚠️ This resets all network and admin settings. kyocera m3550idn default password

Option 3: U917 diagnostic reset

If you are setting up a Kyocera ECOSYS M3550idn for the first time or troubleshooting network access, you will likely need the administrator credentials. Kyocera security protocols have evolved over the years, so the default password depends on the specific firmware version installed on your machine. If this is a company printer, do not

Below is the breakdown of the default login credentials, how to access the interface, and what to do if the defaults do not work.

(If access blocked, perform a controlled factory reset or contact authorized support.) Option 3: U917 diagnostic reset

For the vast majority of Kyocera M3550idn units fresh out of the box, the credentials are standardized.

Alternatively, on some firmware versions or regional models, the password may simply be left blank (empty string), while the username remains Admin.

Crucial Note: If you are using the device's physical touchscreen (Local UI) versus the web interface (Command Center RX), the rules sometimes change. On the physical device, sometimes no password is required to access basic functions, but to change network settings (like a static IP or scan to email), you must log in with these credentials.

Once you have regained access using the default password, you must secure the device immediately. Leaving the default Admin password on a network printer is a significant security risk. Malicious insiders or network worms could change your print settings, access stored scan data, or use the printer as a relay for email spam.