Lexmark X 204 Service Manual

							Repair information4-19
7011-2xx / 3xx
6.Remove the two screws (B) securing the fuser.
7.Slide the fuser out just enough to access the screw holding the sensor. 
8.Remove the sensor and its attached cable. 
9.Observe the orientation of the flag and spring before replacing units. 
B 
						

							4-20Service Manual 7011-2xx / 3xx
Fan removal
1.Open the right side cover. 
2.Unplug the fan from the controller card at J9. 
3.Remove two screws (A) holding the fan to the metal side frame.
4.Remove the fan from the MFP. 
						

							Repair information4-21
7011-2xx / 3xx
Fax modem removal
1.Remove the rear cover. See “Rear cover removal” on page 4-5.
2.Remove the right cover. See “Right side cover removal” on page 4-7.
3.Remove the screw (A) sercuring the modem card bracket to the print engine frame.
4.Disconnect the modem cable (B) from the fax modem. 
						

							4-22Service Manual 7011-2xx / 3xx
5.Lift the modem card up and away from the MFP.
Feed rollers (autocompensator tires) removal 
1.Remove the paper tray. 
2.Remove the toner cartridge. 
3.Tilt the MFP onto its back. 
4.Remove old tires from the hubs.
Note:  When installing the new tires, ensure the new tires are captured between the rims of the plastic hub.  
						

							Repair information4-23
7011-2xx / 3xx
Fuser removal 
1.Remove the paper exit guide assembly. See “Paper exit guide assembly removal” on page 4-37 for 
more information.
2.Remove the two screws (A) securing the fuser.
3.Disconnect the thermistor cable at J10 and exit sensor at J8 on the controller card. 
4.Slide the fuser out far enough to expose and disconnect the AC cable connections.
5.To disconnect the fuser power cables, slide the insulation (B) back to expose the connectors. Press the 
tang (C) on the connector to disconnect the cable connector.
6.Remove the fuser. Avoid damaging the insulation on the exit sensor and thermistor cables.
Note:  Be sure to slide the insulation back in place after reconnecting the cables.
A
CB 
						

							4-24Service Manual 7011-2xx / 3xx
Fuser idle gear links removal
1.Remove the front access cover. See “Front cover removal” on page 4-2 for more information.
2.Remove the left side cover. See “Left side cover removal” on page 4-4.
3.Place MFP on its right side. Protect the cover from being marred. 
4.Remove the four screws (A) securing the gear train cover.
5.Remove the gear train cover.
6.Grasp the rear link with your index fingers and thumb on each side of the shaft, and unsnap the link (B) 
from the shaft. 
7.Disconnect front link from coupler, and remove links. 
						

							Repair information4-25
7011-2xx / 3xx
Fuser power cable removal 
1.Remove the LVPS/HVPS card. See “LVPS/HVPS card assembly removal” on page 4-29 for more 
information.
Note:  The cable can be reached without fully removing the card. 
2.Remove the rear cover. See “Rear cover removal” on page 4-5 for more information.
3.Remove the exit guide assembly. See “Paper exit guide assembly removal” on page 4-37 for more 
information.
4.Remove the two screws (B) from the lower corners of the fuser.
5.Slide the fuser out far enough to expose and disconnect the AC cable connections. 
6.Extract the fuser power cable.  
						

							4-26Service Manual 7011-2xx / 3xx
Input roller clutch and lever removal (autocompensator clutch)
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 four screws (A) in the gear train metal cover. 
4.Remove the screw (B) from the shaft of the input roller clutch assembly.
5.Remove the screw and lever (pawl) (C). 
6.Remove the clutch assembly. If the pieces come apart, they can be easily reassembled if necessary.  
						

							Repair information4-27
7011-2xx / 3xx
Input sensor #1 removal
1.Remove the right side cover. See “Right side cover removal” on page 4-7 for more information.
2.Disconnect the sensor cable at J17 on the controller card (front, near top of card). 
3.Carefully place the MFP on its back. 
4.Using a small shank screwdriver, remove the screw (A) behind the ACM (auto compensator) pivot that 
holds the paper sensor in place.
5.Remove the sensor and the attached cable, flag, and spring. 
6.Re-install the sensor so that the flag is spring loaded against the pages as it advances in its path.
7.Verify the cable is captured and out of the paper path. 
A 
						

							4-28Service Manual 7011-2xx / 3xx
Input sensor #2 (manual feed) removal
1.Open the right side cover. See “Right side cover removal” on page 4-7 for more information.
2.Disconnect the sensor cable at J18 on the controller card (front, top of card). 
3.Remove the paper tray.
4.Carefully place the MFP on its back with the bottom of the MFP facing you. Remove the screw (A) beside 
the left pick tire.
5.Remove the sensor and its attached cable. 
6.Re-install the new sensor in the same orientation as the old. The flag should be spring loaded against the 
leading edge of an advancing sheet. 
7.Verify the cable is captured and away from the paper path. 
A