Lexmark C 950 Service Manual

							Repair information 4-207
  5058-030
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3.Remove the two screws (A) securing the plastic media guide to the machine.
4.Push the plastic media guide slightly toward the rear and pull it out from the machine.
5.Release the hooks securing the sensor (TTM tray 3 feedout) to the machine.
6.Disconnect the cable (B).
Sensor (TTM tray 4 feedout) removal
1.Remove the TTM tray 4 media feeder. See “TTM tray 4 media feeder removal” on page 4-225.
2.Disconnect the cable (A). 
						

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3.Release the hooks (B). 
4.Remove the sensor (TTM tray 4 feedout).
Tray module bottom cover removal
1.Remove the media tray 4.
2.Remove the two screws (A) securing the tray module bottom cover to the machine.
3.Remove the tray module bottom cover.  
						

							Repair information 4-209
  5058-030
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Tray module controller PCBA removal
This removal procedure applies to all three tray modules.
1.Remove the tray module rear cover. See “Tray module rear cover removal” on page 4-215.
2.Remove the six screws (A).
3.Disconnect all the cables from the tray module controller PCBA.
4.Remove the tray module controller PCBA.
Installation note: After installing the replacement unit, make sure that the switches (A) are configured correctly for the 
option where the unit is installed into. You can also use the tabularized data (B) on the PCBA board as a guide.
A
B 
						

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Tray module left cover removal
1.Remove the tray module rear cover. See “Tray module rear cover removal” on page 4-215.
2.Remove the screw (A) securing the foot cover to the machine.
3.Remove the foot cover.
Correct dip-switch settings for the option
Input OptionSwitch Settings
Switch 1 Switch 2 Switch 3 Switch 4
3-Tray Module (3TM)ON ON ON ON
Tandem Tray Module (TTM)ON ON OFF ON
1 Tray Module (1TM)ON OFF ON ON 
						

							Repair information 4-211
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4.Remove the two screws (B).
Note:  Opening the tray module left door will help you remove the tray module left cover.
5.Remove the tray module left cover.
Tray module lower transport motor removal
This removal procedure is not applicable to TTM tray modules.
1.Remove the tray module rear cover. See “Tray module rear cover removal” on page 4-215.
2.Disconnect the cable (A).
3.Release the harness from the clamp (B). 
						

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4.Remove the four screws (C).
5.Remove the tray module lower transport motor.
Tray module media feeder removal
This removal procedure can be used for the following trays:
•1TM tray module
•3TM tray module, tray 2
•3TM tray module, tray 3
•3TM tray module, tray 4
•TTM tray module, tray 2
1.Remove the media tray 2.
2.Open the left door. 
						

							Repair information 4-213
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3.Remove the screw (A) securing the bracket to the machine.
4.Remove the two screws (B) securing the tray module media feeder to the machine. 
5.Disconnect the two cables (C) from the machine. 
						

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6.Remove the two harnesses from the clamps (D).
7.Remove the tray module media feeder. 
						

							Repair information 4-215
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Tray module rear cover removal
1.Remove the five screws (A) securing the tray module rear cover.
2.Remove the tray module rear cover.
Tray module right cover removal
1.Remove the tray module rear cover. See “Tray module rear cover removal” on page 4-215.
2.Remove the two screws (A).
3.Remove the tray module right cover. 
						

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Tray module top cover removal
This removal procedure applies to all three tray modules.
1.Remove the media tray 2.
2.Remove the two screws (A) securing the tray module top cover to the machine.
3.Remove the tray module top cover.