Lexmark C 746 Service Manual
Have a look at the manual Lexmark C 746 Service Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 166 Lexmark manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
Repair information4-55 5026 Go Back Previous Next 6.Disconnect the JOPP1 and JFMUSB1 cables (E) from their connectors. 7.Take out the JOPP1, and JFMUSB1 cables (F).E F
4-56Service Manual 5026 Go Back Previous Next 8.Raise the top access cover assembly. 9.Push down on the rear-right side of the top cover (G) then pull out the right cover (H) lightly to release the top cover from the hinge (I). IG H
Repair information4-57 5026 Go Back Previous Next 10.Slide out the top access cover to 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 remove the separate operator panel bezel FRU. See “Operator panel bezel removal” on page 4-41 Installation note: When reinstalling the top access cover assembly, guide the speaker and bin full sensor cables through the two holes (J) on the rear of the top cover first. J
4-58Service Manual 5026 Go Back Previous Next Top cover assembly removal 1.Remove the fuser. See “Fuser removal” on page 4-110 1.Remove the LVPS. See “Low-voltage power supply (LVPS) removal” on page 4-119. 2.Remove the top access cover assembly. See “Top access cover assembly removal” on page 4-54. 3.Disconnect the connectors in JBLW1 (A), JFUSER1 (B), JFAN1 (C) on the system board. Note: If you are removing the top cover assembly of the C748x model, make sure to remove the speaker connector (D). 4.Pull the cables through the openings. Note: Be sure to observe the routing for the cables. CBA D
Repair information4-59 5026 Go Back Previous Next 5.Remove the fuser AC cable from the cable restraint (D). 6.Remove the five screws (E). EE
4-60Service Manual 5026 Go Back Previous Next Note: If you are removing the top cover assembly of the C748x model, remove the two screws (F) to detach the speaker mount. The speaker mount is not included as part of the top access cover assembly FRU. 7.Lift and remove the top cover assembly. Installation note: Make sure to push down on the cam after reinstalling the top cover assembly. F
Repair information4-61 5026 Go Back Previous Next Printer removals 5 V interlock switch cable removal See “5 V interlock switch” on page 7-9 for the part number. 1.Remove the EP drive assembly. See “Electrophotographic (EP) drive assembly removal” on page 4-90. 2.Disconnect the connector at JINT1 (A) on the system board.
4-62Service 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 information4-63 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 7-9 for the part number. 1.Remove the LVPS. See “Low-voltage power supply (LVPS) removal” on page 4-119. 2.Disconnect the connector at JCVR1 (A) at system board.
4-64Service 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).