If you've forgotten your password then you'll need to contact market support,
Here is the link: http://silkroad6ownowfk.onion/users/support/message
Are you 100% sure you haven't forgotten your password?
Just curious, How does market support verify that the person trying to reset the password is the true owner?
The easiest way is for them to sign a PGP message,
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Hello, my marketplace user name is Tang and I am locked out of my account, could you please reset my password.
-----BEGIN PGP SIGNATURE-----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=M7bn
-----END PGP SIGNATURE-----