Lexmark C 950 Service Manual

Repair information 4-147
  5058-030
Go Back Previous
Next
7.Remove the two screws (A).
8.Disconnect the cable (B).
9.Remove the registration/transport roller assembly.
RIP PCBA removal 
Before you replace the RIP PCBA, make sure you back up the eSF solutions and settings. See “eSF solutions 
backup” on page 4-149.
Warning:  If you are replacing the RIP PCBA in addition to the operator panel or the operator panel PCBA, you 
must replace one component at a time. After you replace one component, perform a...

4-148  Service Manual 5058-030  
Go Back Previous
Next
device before replacing a second component. If you replace the components simultaneously, the 
printer will be rendered inoperable.
1.Remove the two screws (A) securing the RIP PCBA to the machine. 

Repair information 4-149
  5058-030
Go Back Previous
Next
2.Remove the RIP PCBA.
eSF solutions backup
If a technician needs to replace the RIP PCBA, the steps below should be taken to back up the eSF solutions 
and settings:
1.POR the printer into invalid engine code mode. 
2.Open a Web browser and navigate to the printer’s Web page.
3.Navigate to Settings, and click the link.
4.Navigate to Solutions and click the link.
5.Navigate to Embedded Solutions and click the link.
6.On the Embedded Solutions...

4-150  Service Manual 5058-030  
Go Back Previous
Next
number of applications or settings may exceed the file size limit and have information truncated in the 
exported file.
Sensor (image calibration) removal
1.Remove the printer front door. See “Printer front door removal” on page 4-10.
2.Remove the transfer belt cleaner. See “Transfer belt cleaner removal” on page 4-175.
3.Remove the waste toner box.
4.Remove the four photoconductor units.
5.Remove the four toner supplies.
6.Remove the operator panel...

Repair information 4-151
  5058-030
Go Back Previous
Next
14.Gently slide the sensor (image calibration) out and remove it.
Sensor (media level) removal
1.Remove the appropriate feeder unit. See “Printer tray 1 feeder removal” on page 4-141, “Tray module 
media feeder removal” on page 4-212, “TTM tray 4 media feeder removal” on page 4-225, or “TTM 
tray 3 feeder removal” on page 4-221.
2.Release the tabs (A) securing the sensor (media level) to the assembly.  

4-152  Service Manual 5058-030  
Go Back Previous
Next
3.Remove the sensor (media level).
4.Disconnect the harness (B).
Sensor (media on belt) removal
1.Open the printer left duplex door assembly.
2.Remove the screw (A) securing the sensor (media on belt) to the machine. 

Repair information 4-153
  5058-030
Go Back Previous
Next
3.Disconnect the cable (B).
4.Remove the sensor (media on belt).
Sensor (media out) removal
1.Remove the appropriate feeder unit. See “Printer tray 1 feeder removal” on page 4-141, “Tray module 
media feeder removal” on page 4-212, “TTM tray 4 media feeder removal” on page 4-225, or “TTM 
tray 3 feeder removal” on page 4-221.
2.Remove the media out actuator. See “Media out actuator removal” on page 4-120.
3.Release the tab (A) securing the sensor...

4-154  Service Manual 5058-030  
Go Back Previous
Next
4.Remove the sensor (media out).
5.Disconnect the cable (B). 

Repair information 4-155
  5058-030
Go Back Previous
Next
Sensor (printer left duplex door interlock) removal
1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-16.
2.Disconnect the input option cable (A).
3.Remove the eight screws (B) securing the PCBA door to the machine. 

4-156  Service Manual 5058-030  
Go Back Previous
Next
4.Release the two clamps (C) to release the harness.
5.Swing the PCBA door open.
6.Remove the screw (D) securing the bracket to the machine.
7.Remove the bracket.