• Code: 87:YZ
• Description: Problem with the Carriage Encoder Sensor readings
• Remedy: 1. Check that the encoder sensor is correctly connected to the Carriage PCA. 2. Make sure the Encoder Strip is not broken or damaged. If necessary, replace it. See Encoder Strip, spring and attachment nut. 3. Make sure that the Encoder Strip is clean. If it is dirty, clean it, paying special attention to the area near the Service Station. See Cleaning the Encoder Strip. 4. Clean the Encoder Sensor. 5. Replace the Encoder Sensor. 6. Replace the Carriage PCA. See Carriage PCA. 7. Replace the Trailing Cables.

• Code: 93:YZ
• Description: Unable to pressurize the Ink Delivery System
• Remedy: 1. Switch the power off from the back of the product and disconnect the power cord. Reconnect the power cord and power on the product. 2. Perform the Ink Delivery System diagnostic test to further troubleshoot the problem. See Ink Delivery System (IDS) Test. 3. Check that the cables between the Ink Supply Station and the Engine PCA are not damaged and are properly connected. In case of any damage replace the cable. 4. Replace the Left Ink Supply Station, depending on the results of the diagnostic test. See Left Ink Supply Station. 5. Replace the Engine PCA.

• Code: XX.n:YZ.m
• Description: Error Codes Format:
  • XX: Subsystem or process (2 digits).
  • n: Subsystem or process index (if more than one used in the product) – optional. e.g. Identify the Ink Supply (color and number).
  • Y: Who should perform the action (1 digit) – (0 for User or 1 for Service Engineer).
  • Z: Action to perform (1 digit).
  • m: additional actions/information to consider (1 digit) – Optional.
• Remedy: Error Codes Format