Lexmark C736 Service Manual
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Repair information4-29 5026 Go Back Previous Next Operator panel buttons removal 1.Remove the top access door cover assembly. See “Top access cover assembly removal” on page 4-40. 2.Turn the top access cover assembly over. 3.Remove the nine screws (A) securing the position guide. 4.Remove the four screws (B) from the operator panel card. Note: Observe the position of the ground cable (C).
4-30Service Manual 5026 Go Back Previous Next 5.Disconnect the operator panel cable (D). 6.Turn over the operator panel card. Note: Do not disconnect the display cables. Be sure not to put any pressure on the ribbon cable. 7.Remove the clear shield over the number pad. 8.Remove the buttons (E) from the top access door cover. D E
Repair information4-31 5026 Go Back Previous Next Output bin extension cover removal See “Output bin extension cover” on page 7-3 for the part number. 1.Turn the printer around, so the back is toward you. 2.Rotate the output bin extension cover toward the front of the printer. 3.Use a flathead screwdriver to ease the posts from the holes on one side.
4-32Service Manual 5026 Go Back Previous Next Paper tray dust cover removal See “Dust cover assembly” on page 7-3 for the part number. 1.Remove the paper tray. 2.Remove the left cover. See “Left cover removal” on page 4-21. 3.Remove the paper tray dust cover assembly. Installation notes: 1.Place the paper tray dust cover into position. 2.Slide the left cover down until it locks into place. Note: Be sure the post in the left cover engages the hole in the left cover, and that the post in the paper tray dust cover engages the hole in the left cover properly. 3.Replace the three screws on the left cover. Note: Verify that the paper tray dust cover swings properly.
Repair information4-33 5026 Go Back Previous Next Rear frame cover removal See “Rear frame cover” on page 7-3 for the part number. 1.Remove paper tray 2.Loosen the eight screws (A) on the rear frame cover. Note: Do not remove the screws. 3.Lift up on the rear frame cover to remove it from the back of the printer. A
4-34Service Manual 5026 Go Back Previous Next Rear left cover removal 1.Remove the left cover. See “Left cover removal” on page 4-21. 2.Separate the left cover and rear left cover by sliding the left rear cover as shown to disengage the latch (A).
Repair information4-35 5026 Go Back Previous Next Rear right cover removal See “Rear right cover” on page 7-3 for the part number. 1.Remove the right cover. See “Right cover removal” on page 4-37. 2.Press the two tabs (A) to separate the right cover from the rear right cover. A
4-36Service Manual 5026 Go Back Previous Next Rear upper cover removal 1.Remove the two screws (A). 2.Slide the cover up and remove the rear upper cover. Note: If you are removing the rear upper cover to access another part, leave the cooling fan filter attached, and you are done. If you need to replace the rear upper cover FRU, continue with the next step to remove the cooling fan filter FRU. 3.Remove the cooling fan filter. See “Cooling fan filter removal” on page 4-75.
Repair information4-37 5026 Go Back Previous Next Right cover removal See “Right cover” on page 7-3 for the part number. 1.Remove the power cord from the printer. 2.Remove the paper tray. 3.Remove the rear upper cover. See “Rear upper cover removal” on page 4-36. 4.Open the front cover. 5.Open the top access cover. 6.Remove the two screws (A) on the inside front. 7.Remove the metal screw (B) on the inside front. B
4-38Service Manual 5026 Go Back Previous Next 8.Remove the three screws (C). 9.Lift the bottom of the cover out, pull up at the points shown, and remove the cover. Note: There are posts on the top access cover and the paper tray dust cover (D). When you reinstall, be sure to verify that the top access cover opens correctly and that the paper tray dust cover swings properly. 10.Remove the paper tray dust cover (E). Note: If you are removing the right cover to access another part, leave the right cover and the rear right cover attached, and you are done. If you need to replace the right cover FRU, continue with the next step to remove the separate rear right cover FRU.