Step 1 Reset the printer. Does the problem remain? | Go to step 2. | The problem is solved. |
Step 2  Remove the imaging kit, and then remove the transfer module. See Transfer module removal. Enter the Diagnostics menu, and then navigate to: Printer diagnostics & adjustments > Motor tests > K developer Touch Start.
Does the motor run? | Go to step 3. | Go to step 6. |
Step 3 Manually turn the drive gears. Do the black developer and transfer module drive gears freely turn? | Go to step 5. | Go to step 4. |
Step 4 Replace the motor (EP drive). See Motor (EP drive) removal. Does the problem remain? | Go to step 5. | The problem is solved. |
Step 5 Check the imaging kit components and transfer module for damage or life expiration, and replace if necessary. Does the problem remain? | Contact the next level of support. | The problem is solved. |
Step 6 Check the cable on the motor and on the JCARTK connector on the controller board for proper connection. Is the cable properly connected at both ends? | Go to step 8. | Go to step 7. |
Step 7 Reconnect the cable. Does the problem remain? | Go to step 8. | The problem is solved. |
Step 8 Check the cable for damage, and replace if necessary. Does the problem remain? | Go to step 9. | The problem is solved. |
Step 9 Replace the motor (K developer). See Motor (EP drive) removal. Does the problem remain? | Go to step 10. | The problem is solved. |
Step 10 Replace the controller board. See Controller board removal. Does the problem remain? | Contact the next level of support. | The problem is solved. |