Samsung 6345 Copier SCX6345 Printer "invalid user id password please" Questions

...a message that INVALID USER ID AND PASSWORD. I am now in Hyderabad whereas my branch is Kanhangad(Kerala) code 1439 Please contact your bank personal department for such security related

...user name and password but its invalid coming on thye screen can you help me how to reset this please,, press "1, 2, 3" at the same time, Password for diagnostic men? is "1934", now go to "Test ...