Lexmark C736 Service Manual
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Repair information4-39 5026 Go Back Previous Next 11.Press the two tabs (F) to separate the right cover from the rear right cover. F
4-40Service Manual 5026 Go Back Previous Next Top access cover assembly removal See “Top access cover assembly” on page 7-3 for the part number. Warning: When replacing any one of the following components: •Operator panel assembly •System board •Top access cover assembly Only replace one component at a time. Replace the required component, and perform a POR before replacing a second component listed above. If this procedure is not followed, the printer will be rendered inoperable. 1.Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 2.Disconnect the cable connectors at JOPP1(A), JFMUSB1 (B), and JBIN1 (C) on the system board. 3.Remove the right cover. See “Right cover removal” on page 4-37. 4.Remove the fuser. See “Fuser removal” on page 4-104. Note: Be sure to observe the cable routing.
Repair information4-41 5026 Go Back Previous Next 5.Disconnect the two screws (D), one on either side of the printer, that connects the links. 6.Extract the cables (E). D
4-42Service Manual 5026 Go Back Previous Next 7.Slide the top access cover to the rear, and remove. Note: If you are removing the top access cover assembly to access another FRU, then leave the operator panel bezel attached, and you are done. If you are replacing the top access cover assembly FRU, then continue with the next step to disconnect the separate operator panel bezel FRU. 8.Remove the operator panel bezel. See “Operator panel bezel removal” on page 4-28.
Repair information4-43 5026 Go Back Previous Next Top cover assembly removal 1.Remove the LVPS. See “Low-voltage power supply (LVPS) removal” on page 4-112. 2.Remove the top access cover assembly. See “Top access cover assembly removal” on page 4-40. 3.Disconnect the connectors in JBLW1 (A), JFUSER1 (B), JFAN1 (C) on the system board. 4.Pull the cables through the openings. Note: Be sure to observe the routing for the cables.
4-44Service Manual 5026 Go Back Previous Next 5.Remove the fuser AC cable from the cable restraint (D). 6.Remove the five screws (E). 7.Lift off the top cover assembly. EE
Repair information4-45 5026 Go Back Previous Next Printer removals 5 V interlock switch cable removal See “5 V interlock switch” on page 7-7 for the part number. 1.Remove the EP drive assembly. See “Electrophotographic (EP) drive assembly removal” on page 4-82. 2.Disconnect the connector at JINT1 (A) on the system board.
4-46Service Manual 5026 Go Back Previous Next 3.Open the front access door cover, and remove the screw (B). 4.Remove the cable from the two cable retainers (C). B
Repair information4-47 5026 Go Back Previous Next 5.Remove the 5 V interlock switch and bracket from the printer. 6.Remove the screw (D), and remove the 5 V interlock switch cable from the bracket. 24 V interlock switch removal See “24 V interlock switch” on page 7-7 for the part number. 1.Remove the LVPS. See “Low-voltage power supply (LVPS) removal” on page 4-112. 2.Disconnect the connector at JCVR1 (A) at system board.
4-48Service Manual 5026 Go Back Previous Next 3.Remove the screw (B), and the bracket separates from the 24 V interlock switch. Installation notes: Observe the routing of the 24 V interlock switch cable (C).