Lexmark C736 Service Manual
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Repair information4-109 5026 Go Back Previous Next 4.Disconnect the five connectors (C) from the HVPS. Installation notes: Be sure to replace the spring when replacing the HVPS. See the illustration for proper orientation. C
4-110Service Manual 5026 Go Back Previous Next High-voltage power supply (HVPS) cable removal 1.Remove the top cover assembly. See “Top cover assembly removal” on page 4-43. 2.Disconnect the cable connector at JHVPS1 on the system board. 3.Disconnect the cable connector (B) from the HVPS. 4.Remove the cable from the hole through the frame (C), and from the two cable restraints (D).
Repair information4-111 5026 Go Back Previous Next Left bellcrank assembly removal See “Left bellcrank assembly, with spring” on page 7-5 for the part number. 1.Remove the left cover. See “Left cover removal” on page 4-21. 2.Remove the C-clip (A). 3.Remove the left bellcrank assembly.
4-112Service Manual 5026 Go Back Previous Next Low-voltage power supply (LVPS) removal See “Low-voltage power supply” on page 7-7 for the part number. 1.Remove the right cover. See “Right cover removal” on page 4-37. 2.Remove the rear frame cover. See “Rear frame cover removal” on page 4-33. 3.Disconnect the connector at JLVPS1 connector (A) on the system board. 4.Remove the five LVPS mounting screws (B). 5.Disconnect the AC fuser cable (C) from the LVPS.
Repair information4-113 5026 Go Back Previous Next Installation note: •When installing the new LVPS, make sure the voltage switch (A) is set for the proper value (115 V or 230 V), depending on the country. Note: Not all LVPS FRUs have a switch. Others are switched automatically. •Install the LVPS, and make sure the AC fuser cable is in the cable guides, and not behind the LVPS. •Reconnect the AC fuser cable to the LVPS. •Replace the five LVPS mounting screws. •Reconnect the cable in connector JLVPS1 on the system board.
4-114Service Manual 5026 Go Back Previous Next Motor driver card removal 1.Remove the right cover. See “Right cover removal” on page 4-37. 2.Disconnect the three cables (A). 3.Remove the two screws (B), and remove the motor driver card.
Repair information4-115 5026 Go Back Previous Next Motor driver cable removal 1.Remove the LVPS. See “Low-voltage power supply (LVPS) removal” on page 4-112. 2.Disconnect the connector in JDVR1 (A) on the system board. 3.Disconnect the connector on the motor driver card (B). 4.Remove the cable from the cable from the four cable retainers (C). Installation notes Note the routing of the cable and the cable retainers.
4-116Service Manual 5026 Go Back Previous Next Multipurpose feeder (MPF)/duplex gear and housing removal See the multipurpose feeder/duplex gear and housing kit for the part number. 1.Remove the paper pick mechanism assembly. See “Paper pick mechanism assembly removal” on page 4-127. 2.Remove the two E-clips (A) from the gears. 3.Remove the three screws (B). 4.Slide the front gear (C) off. A BC
Repair information4-117 5026 Go Back Previous Next 5.Slide a flathead screwdriver up and under the front cover. 6.Slide the remaining two gears and housings off.
4-118Service Manual 5026 Go Back Previous Next Multipurpose feeder (MPF)/duplex motor assembly removal See “MP feeder/duplex drive parts packet, including” on page 7-5 for the part number. 1.Remove the low-voltage power supply (LVPS). See “Low-voltage power supply (LVPS) removal” on page 4-112. 2.Remove the multipurpose feeder/duplex gear and housing. See “Multipurpose feeder (MPF)/duplex gear and housing removal” on page 4-116. 3.Remove the two multipurpose feeder/duplex motor mounting screws (A). 4.Remove the multipurpose/duplex motor from the printer. 5.Push in the prongs (B) of the housing to remove the cable tie (C). 6.Slide the motor out of the housing. 7.Disconnect the connector (D) from the motor. A