Lexmark X 204 Service Manual

							Repair information4-29
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LVPS/HVPS card assembly removal 
Note:  If you are installing a new power supply for an X203 with a serial number of 5920000 or less, or an X204 
with a serial number of 5920000 or less, you will also need to install a new controller board. See “Controller 
card removal” on page 4-13. X203 / X204 machines with a serial number greater than 5920000 use power 
supply 40X6009 (110V)) / 40X6010 (220V). 
1.Remove the cover extender (if installed), paper tray,
2.Remove the right cover. See “Right side cover removal” on page 4-7.
3.Remove the left cover. See “Left side cover removal” on page 4-4.
4.Remove the rear cover. See “Rear cover removal” on page 4-5 for more information.
5.Remove two screws (A), one left of the power switch and the other at the opposite side of the panel. 
6.Place the MFP onto its back with the rear and bottom of the MFP in view. 
7.Remove the screws (B) securing the two foot brackets. 
						

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8.Remove four screws (C) in the bottom of the metal cover.
9.Move the cover so the connecting cables can be unplugged. 
						

							Repair information4-31
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10.Rotate the power supply assembly so the remaining cables can be removed. 
11.Remove the LVPS/HVPS card and cover. 
LVPS/HVPS to controller card cable removal 
Note:  Use the cable in part number 40X6113 machines with a serial number greater than 5920000.
1.Remove the LVPS/HVPS card. See “LVPS/HVPS card assembly removal” on page 4-29 for more 
information. 
2.Remove the controller card cover. See “Controller card removal” on page 4-13 for more information.
3.Unplug the cable at J22 on the controller card, and extract the cable. 
Note:  The card may not have to be completely removed to disconnect the cable.  
						

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Manual feed clutch assembly removal 
1.Remove the left side cover. See “Left side cover removal” on page 4-4.
2.Place the MFP on its right side. Protect the cover from being marred. 
3.Remove the four screws (A) in the gear train metal cover.
4.Remove the clip (B) from the shaft of the pick up clutch assembly. 
5.Remove the screw (C) and lever (pawl). 
6.Remove the clutch assembly. If the pieces come apart, they can be easily reassembled if necessary.  
						

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Operator panel bezel removal
1.Remove the front flatbed cover See.“Flatbed front cover removal” on page 4-9.
2.Gently pry the bezel away from the operator panel, starting at one of the front corners and working across 
the bezel. 
3.Remove the bezel from the MFP.
Operator panel cable removal
1.Remove right cover.
2.Remove operator panel.
3.Disconnect the operator panel cable from the controller card. 
						

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4.Route the cable throught the flatbed assembly and the base printer top cover.
5.Remove the cable from the MFP. 
						

							Repair information4-35
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Operator panel assembly removal
Warning:  If you are replacing the operator panel and controller card, do not replace them at the same time. 
Replace both parts atthe same time will result in all settings being lost.
1.Replace the controller card first, and POR the MFP to Ready.
2.Replace the operator panel. and POR the MFP to Ready.
Note:  Do not use a new operator panel or controller card for testing purposes. on a repair.
To remove the operator panel, perform the following steps:
1.Remove the left and right flatbed covers. See “Left and right flatbed cover removals” on page 4-10.
2.Remove the op panel bezel.
3.Remove the two screws (A) that secure the op panel to the flatbed.
4.Lift the op panel up. 
						

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5.Remove the op panel cable (B) from the op panel.
6.Remove the op panel from the MFP. 
						

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Paper exit guide assembly removal
1.Remove the rear cover. See “Rear cover removal” on page 4-5 for more information.
2.Remove the three screws (A) securing the exit guide. 
3.Remove the paper exit guide assembly. 
Reinstallation note: It may be necessary to rotate the gears to mesh with the fuser and drive gear.  
						

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Printhead removal 
Note:  Use part number 40X5776 for printers with serial number 5920000 or greater.
1.Remove the flatbed and ADF. See “Flatbed removal” on page 4-48, and “ADF assembly removal” on 
page 4-46.
2.Remove the top cover. See “Top cover removal” on page 4-8 for more information. 
3.Remove the toroid from the group of cables at the top of the controller card.
4.Unplug the printhead cables at locations J12 and J13 on the controller card and on the printhead.