Lexmark C 950 Service Manual
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Repair information 4-67 5058-030 Go Back Previous Next 16.Move the lever counterclockwise. 17.Remove the bracket mounted over the developer housing.
4-68 Service Manual 5058-030 Go Back Previous Next 18.Remove the developer housing. Reinstallation warning: When reinstalling the developer housing, ensure that the printhead retract levers are in their uppermost position, or damage will occur to the machine. If the developer housing is installed correctly, the bracket (C) can be mounted over the developer housing without any problems. C
Repair information 4-69 5058-030 Go Back Previous Next Re-installation notes: •To complete the re-installation, do the following: a.Be sure to attach the lower part of the auger properly to reduce toner spillage. b.Move the lever clockwise. c.Pull the gate (D), and move it to its lowest position. D
4-70 Service Manual 5058-030 Go Back Previous Next •Move the appropriate wiper in and out to clean the printhead. Developer housing rear plunger removal 1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-16. 2.Remove the PC/developer drive motor. See “PC/developer drive motor removal” on page 4-135. 1.Remove the operator panel left cover. 2.Remove the operator panel right cover. 3.Remove the operator panel front cover. 4.Remove the top cover. See “Printer top cover removal” on page 4-12. 5.Remove the printer front door. See “Printer front door removal” on page 4-10. 6.Remove the transfer belt cleaner. See “Transfer belt cleaner removal” on page 4-175. 7.Remove the waste toner box. 8.Remove the four photoconductor units. 9.Remove the four toner supplies. 10.Remove the printhead retract door. See “Printhead retract door removal” on page 4-142. 11.Remove the CMYK toner dispense auger assembly. See “CMYK toner dispense auger assembly removal” on page 4-40.
Repair information 4-71 5058-030 Go Back Previous Next 12.Press the plastic tab (A) on the developer housing rear plunger to release it from the machine. 13.While pressing the plastic tab, rotate the developer housing rear plunger counterclockwise, as shown in the following image. 14.Remove the developer housing rear plunger.
4-72 Service Manual 5058-030 Go Back Previous Next Developer HVPS PCBA 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.
Repair information 4-73 5058-030 Go Back Previous Next 4.Release the two clamps (C) to release the harness. 5.Swing the PCBA door open. 6.Disconnect the cable (D) from the developer HVPS PCBA. 7.Remove the two screws (E) securing the developer HVPS PCBA to the machine.
4-74 Service Manual 5058-030 Go Back Previous Next 8.Release the two hooks (F) securing the developer HVPS PCBA to the machine. 9.Remove the developer HVPS PCBA. Feeder slide guide 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.Slide the plastic rail to detach the two tabs (A) securing the feeder slide guide to the assembly. 3.Detach the harness from the clamp (B). 4.Remove the feeder slide guide.
Repair information 4-75 5058-030 Go Back Previous Next Front left cooling fan 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 auger chute. See “Waste toner auger chute removal” on page 4-191. 11.Release the two latches securing the plastic bracket to the machine, and remove the plastic bracket. 12.Release the clamp (A) securing the cable connected to the fan.
4-76 Service Manual 5058-030 Go Back Previous Next 13.Remove the screw (B) from the front left cooling fan. 14.Detach the front left cooling fan, and disconnect the cable (C). B A C