Lexmark Optra C Service Manual - Page 174

5045-001 Printer Drive Assembly See Assembly 16-1. For cover removals, see "Cover Removals" on page 4-8. 1. Remove the top cover. 2. Remove the left side cover and the rear cover. 3. Remove the EMC shield from the rear of the machine. 4. Remove the mechanical controller PCB and its mounting bracket *. 5. Remove the LVPS. 6. Remove the upper fan and fan duct. 7. Remove the HV converter. To remove the converter, remove the 3 screws from the leads and remove the converter mounting screw. Slide the converter to the left out of the machine. 8. Remove the four screws securing the main drive motor and board assembly and remove the assembly. 9. Remove the paper exit drive assembly. 10. Remove the six silver screws from the printer drive assembly. Do not remove the black screw. Note: When reinstalling the drive assembly, make sure it fits flush on the rear frame. Check the bottom of the assembly and ensure there is not an air gap. The LED assembly must fit through it's hole in the rear of the frame. * Note: When reinstalling the mechanical controller PCB mounting bracket, be sure all four copper contacts are touching their contact points. Be sure to get the two top latches properly engaged. 4-48