Lexmark C 950 Service Manual
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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 POR on the
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 page, select the apps to be exported by clicking the selection box next to the app. 7.Choose Export. If the Web page cannot be accessed, or an error persists despite trying to boot in Invalid Engine code mode, then there is no way to backup the eSF apps. The technician needs to make the customer aware that the applications and their setting could not be saved. Note: There is a size limit on the export file - 128kb. Because of this, it is recommended that you dont use the “global” backup found in Settings --> Import/Export --> Export Shortcuts File, Export Settings File, Export Embedded Solutions Settings File and Export Security Setups File. Customers with a large
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 front cover. 7.Remove the printhead retract door. See “Printhead retract door removal” on page 4-142. 8.Remove the inner cover. See “Inner cover removal” on page 4-3. 9.Remove the inner plate. See “Inner plate removal” on page 4-95. 10.Remove the waste toner add chute. See “Waste toner auger chute removal” on page 4-191. 11.Remove the front left cooling fan. See “Front left cooling fan removal” on page 4-75. 12.Disconnect the cable (A) from the sensor (image calibration). 13.Remove the screw (B) from the sensor (image calibration). B A
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 (media out) to the assembly.
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.