Lexmark Optra C Service Manual - Page 171
Printhead and Printhead Board, Release the ZIF connectors J103, J110 and J111 on the DC
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5045-001 Printhead and Printhead Board See Assembly 6-2. For cover removals, see "Cover Removals" on page 4-8. Also see "DC Controller PCB" on page 4-14. 1. Remove the top cover. 2. Disconnect the fan connector (J2010) from the mechanical controller PCB. 3. Remove the nine screws from the connector board cover (Asm 5-2) and remove the cover. 4. Disconnect the three cables from the connector board. 5. Remove the seven screws securing the controller housing to the machine and remove the housing. Note: During reassembly, be sure to thread the flat cable through the toroid before mounting the housing. 6. Release the ZIF connector (J2007) on the mechanical controller PCB and remove the cable. 7. Release the ZIF connectors (J103, J110 and J111) on the DC controller PCB and remove the cables. 8. Disconnect the remaining cables going to the board. Do not disconnect J108 or J112, these are not ZIF connectors. 9. Remove the two screws securing the cable guard and slide the guard slightly toward the center of the machine and remove it. 10. Remove the four board mounting screws and the board. Repair Information 4-45