Traxsource has an entire Helpdesk and support team dedicated to solving Artist and Label related issues just like yours. You can find help on this subject & many others along with the ability to submit a request here: https://traxsourcelabels.zendesk.com/hc/en-us/categories/360000106434-Artist-Knowledge-Base
Saying that, Here is the answer to your question.
It is possible for you to manage your artist and/or label profiles on Traxsource utlizing our new Entity Accounts.
An Entity Account is a self administration system which allows artists & labels to take control and manage their page biographies, press images and publish DJ Charts on the site.
To get access, you can request an entity account HERE
• KEEP YOUR PAGE PRESS IMAGE AND BIO UPDATED
• PUBLISH YOUR CHART