Step 1 Perform a POR. Does the problem remain? | Go to step 2. | The problem is solved. |
Step 2 Check the cables on the printhead and on the JMIRR1 and JPH1 connectors on the controller board for proper connection. Are the cables properly connected? | Go to step 4. | Go to step 3. |
Step 3 Reconnect the cables. Does the problem remain? | Go to step 4. | The problem is solved. |
Step 4 Check the printhead cable for damage, and replace if necessary. Does the problem remain? | Go to step 5. | The problem is solved. |
Step 5 Replace the printhead. See Printhead removal. Does the problem remain? | Go to step 6. | The problem is solved. |
Step 6 Replace the controller board. See Controller board removal. Does the problem remain? | Contact the next level of support. | The problem is solved. |