Lexmark C 950 Service Manual
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Repair information 4-107 5058-030 Go Back Previous Next Warning: When removing the lower redrive shift motor assembly, ensure that the front bushing (H) does not become damaged. 18.Gently remove the lower redrive shift motor assembly.
4-108 Service Manual 5058-030 Go Back Previous Next 19.Remove the drive belt. Re-installation tip: To make the reinstallation of the lower redrive shift motor assembly easier, ensure that the drive belt is placed on the lower redrive shift motor assembly drive pulley and that the plastic motor cover is attached to the lower redrive shift motor assembly as you reattach it to the machine. This will prevent the drive belt from slipping. After you have reattached the lower redrive shift motor assembly to the machine, you will need to remove the plastic motor cover to replace both screws, and then reattach the motor cover. LVPS front fan guide removal 1.Remove the rear upper cover. See “Rear upper cover removal” on page 4-16. 2.Remove the rear lower cover. See “Rear lower cover removal” on page 4-14. 3.Remove the printer right over. See “Printer right cover removal” on page 4-11. 4.Remove the two screws (A) securing the LVPS front fan guide to the machine.
Repair information 4-109 5058-030 Go Back Previous Next 5.Pull out the LVPS front fan guide. 6.Disconnect the cable (B) from the LVPS front fan guide. 7.Detach the harness from the LVPS front fan guide. 8.Remove the LVPS front fan guide. LVPS PCBA removal 1.Remove the printer right side cover. See “Printer right cover removal” on page 4-11. 2.Remove the LVPS subfan guide. See “LVPS front fan guide removal” on page 4-108. 3.Remove the waste toner sensor guide. See “Waste toner sensor guide removal” on page 4-193.
4-110 Service Manual 5058-030 Go Back Previous Next 4.Remove the harnesses from the nine clamps (A) under the LVPS PCBA. 5.Disconnect the twelve cables (B) from the LVPS PCBA.
Repair information 4-111 5058-030 Go Back Previous Next 6.Remove the four screws securing the LVPS PCBA to the machine. 7.Remove the LVPS. Re-installation warning: When replacing the LVPS PCBA, ensure that the connections for P91 and P92 are properly replaced. If the cables are not reconnected properly, damage will occur to the machine, and the machine will not function.
4-112 Service Manual 5058-030 Go Back Previous Next LVPS sub cooling fan removal 1.Remove the printer right cover. 2.Remove the two screws (A) securing the LVPS fan guide to the machine. 3.Remove the LVPS fan guide. 4.Disconnect the cable (B).
Repair information 4-113 5058-030 Go Back Previous Next 5.Release the two hooks securing the fan to the guide. 6.Remove the LVPS sub cooling fan. M toner auger 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.
4-114 Service Manual 5058-030 Go Back Previous Next 10.Lift the plastic gate, and push it in to prevent the toner from spilling. 11.Squeeze the two latches (A) to release the upper part of the auger. 12.Detach the lower portion (B) of the auger from the developer unit. 1 2
Repair information 4-115 5058-030 Go Back Previous Next Warning: The lower portion of the auger (B) is prone to damage. Extra care is required in handling this part. 13.Remove the M toner auger. Re-installation note: Ensure that the rubber sleeve (C) is attached properly to prevent toner spillage. A B C
4-116 Service Manual 5058-030 Go Back Previous Next Main power GFI interface 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.