Xerox Phaser 7100

Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-166
Proxy Unauthorized Access
Authentication of the proxy server has failed. libcURL returned ‘HTTP Status: 407 Proxy Authorization
Required’.
Applicable Fault Code
• 021-507: Proxy Authentication Error
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure
.
Troubleshooting Procedure
Step Actions and Questions
1. Check the following:
• Check the EP proxy server authentication user.
• Check the EP proxy server authentication password.
2. If the problem persists after checking the above settings, there may be a network failure or the proxy
server settings may have changed/failed. Contact the client's Network Administrator.