Lexmark E320 Service Manual - Page 185

4500 Controller card cage removal 1. Open the front cover. See "Front cover" on page 4-4 for more information. 2. Remove the right side cover. See "Right side cover" on page 4-5 for more information. 3. Remove the controller card. See "Controller card removal" on page 4-7 for more information. 4. Loosen the three screws along the bottom edge, remove the fourth screw at the rear and remove the cage. Controller card removal Warning: For E220/E321/E323, do not replace the operator panel and controller card at the same time. Each card contains the printer settings. When either of these cards is new, it obtains the settings from the other card. Settings are lost when both are new at the same time. 1. Open the front cover. See "Front cover" on page 4-4 for more information. 2. Remove the right side cover. See "Right side cover" on page 4-5 for more information. 3. Remove the controller card cover screw. 4. Disconnect cables from the controller card. 5. Remove the two parallel cable screws. 6. Remove the four controller card screws. 7. Remove the controller card. Repair information 4-7