Konica Bizhub c300 Password Reset - Konica Minolta bizhub 350 All-In-One Laser Printer

SOURCE: Konica Bizhub Password Reset

Konica Bizhub c350 default password is 12345678 give that a try

SOURCE: how do you reset the life of the transfer unit on the Bizhub C250

Yes,

Remove Trasfert belt unit.

On the left handled remove one screw ( spring fixer) and remove right srew (over the belt / bar whit finger fixee).

Remove, on the left spring stoppage and metal handled.

Remove black little srew and take to hand fuse contact.

Change fuse (behind) with new identical fuse and reassembly.

It may be reset trasfert belt counter.

Sorry for my not good english.

Bye.

SOURCE: Konica Minolta Admin Password

Try 12345678.  That worked for me for my Bizhub C250.

SOURCE: Konica Bizhub Password Reset

You can try the default admin password which is 12345678

SOURCE: when I turn on the machine (bizhub c300) error

This is a fuser related code.
To reset the code, please do the following
1. Turn OFF the Main Power Switch.
2. Turn Main Power Switch ON while pressing the Utility/Counter key.
3. Touch Trouble Reset.
4. Check to make sure that OK is displayed and the it has been reset.
5. After turning off the Main Power Switch, turn it on again more than 10 seconds after
and check if the machine starts correctly.

Good luck