Lexmark Optra C710 Service Manual - Page 132

5016-001 OPC Drive Service Check OPC Drive Symptom Chart This symptom may require replacement of one (or more) customer replaceable units (designated as supplies or maintenance items), which are the responsibility of the customer. With the customer's permission, install a new print cartridge. If the print cartridge fails to increment the OPC in the cartridge, go to A. Error Code 910 indicates a problem with the OPC drive motor, engine board or cables. If Error code 910 displays, go to B. A The print cartridge fails to increment the OPC in the cartridge. FRU 1 Print Cartridge(s) 2 Coupling Shaft Coupling Coupling Shaft Coupling Spring OPC/Coupling Drive Block Action Check the print cartridge for correct installation and signs of wear or damage to the cartridge coupling/drive gear. If no problems are found, try a new print cartridge. Check the operation of the coupling system. If correct, verify the coupling shaft coupling spring is not broken and the coupling is operating properly. If problems are found, repair or replace the OPC/coupling block assembly, or parts. If the coupling system is not operating properly, go to the "Coupling Unit Service Check" on page 2-42. B Error Code 910 displays FRU 1 OPC Drive Motor (M 1) Engine Board MK1 Cable Action Check the OPC drive motor for proper operation. If incorrect replace the following FRUs in the order shown. 1. OPC drive motor assembly 2. Engine board 3. Cable MK 1 2-66 Service Manual