Unable to pressurize the Ink Delivery System
Try the following:
1. Switch the power off from the back of the printer and disconnect the power cord. Reconnect the power cord and power on the printer.
2. Perform the Ink Delivery System diagnostic test to further troubleshoot the problem.
3. Check that the cables between the Left Ink Supply Station and Main PCA are not damaged and are correctly connected.
4. Replace the Left Ink Supply Station, depending on the results of the diagnostic test.
5. Replace the Main PCA.