Error Troubleshooting
Xerox Internal Use Only Phaser 7100 Service Manual 2-173
021-526/ 021-527
Communication error has occurred due to one of the following problems.
• An error has occurred in the communication library libcURL returned an uncategorized error.
• An invalid message was received from the server. libcURL returned ‘HTTP Status: 4XX’. Or, an
invalid SOAP Fault was received.(e.g. An unknown code or subcode, etc.) Or, an invalid SOAP
Response was received.
Applicable Fault Codes
• 021-526: Communication Library Error
• 021-527: Invalid Communication Message (Edge Server)
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure
.
Device Already has the Latest Firmware
When checking the software version of the printer by contacting the software update server, it was
detected that all ROM in the printer already has the latest version.
Applicable Fault Code
• 021-529: Latest Version Detected (software update)
Initial Actions
• Power cycle the printer.
• If the problem persists, perform the following procedure
.
Troubleshooting Procedure
Step Actions and Questions
1. Confirm that the server is online.
Troubleshooting Procedure
Step Actions and Questions
1. If this error was detected even though the machine is already installed with the latest version, check
the running status of the system at the EP Center (software update server).
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