• Code: 931
• Description: Printhead—no first hysnc
• Remedy: Check for unplugged printhead, faulty cabling, or faulty printhead.

• Code: 932
• Description: Printhead—lost hsyncs
• Remedy: Replace the printhead.

• Code: 934
• Description: Mirror motor lost lock
• Remedy: Replace the printhead.

• Code: 935
• Description: Mirror motor unable to reach operating speed.
• Remedy: Faulty printhead, cabling or connector.

• Code: 936
• Description: Transport motor initial lock failure
• Remedy: Indicates a problem with the main drive motor or a jam occurred during the motor ramp-up to speed.

• Code: 937
• Description: Transport motor lost lock
• Remedy: Faulty motor or a jam occurred after motor ramp-up to speed. Possible problem with the main drive.

• Code: 939
• Description: RIP—engine communications
• Remedy: The RIP processor cannot communicate with the engine processor. Replace the controller card. Go to “Controller card assembly removal”. If the problem persists, contact the next level of support.

• Code: 940
• Description: LV Power Supply
• Remedy: The low voltage power supply zero crossover test failed. Check the LVPS for correct installation. Make sure the connector on the LVPS assembly is firmly seated with the connector on the interconnect card connector. This error may also be caused by a noisy AC input power source. • Be sure the correct LVPS has been installed. • If all the above are correct, replace the LVPS assembly.