Lexmark C736 Service Manual
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Repair information4-99 5026 Go Back Previous Next 10.Remove the end of the cable (J) from the frame. Installation note: The longer cable installs on the left side of the printer.
4-100Service Manual 5026 Go Back Previous Next Front door assembly front cable (right) removal 1.Remove the paper tray. 2.Disconnect the transfer module cable (A). 3.Press the two tabs (B) to release the front access door cover assembly. 4.Press the two tabs (C) on either side of the transfer module, and lift out the transfer module. Note: Leave the photoconductor units on the transport belt when removing. Warning: To avoid damaging the photoconductor drum, hold the photoconductor units by their handle and place the photoconductor units on a clean surface. Never expose the photoconductor units to light for a prolonged period of time. See “Handing the photoconductor unit” on page 4-2 for additional information. AC B
Repair information4-101 5026 Go Back Previous Next 5.Looking down at the keyed end of the restraint (D), twist the end clockwise, slide the restraint upward through the slit (E), and slip the end of the restraint through the keyed hole (F). Repeat for the other side. DF E
4-102Service Manual 5026 Go Back Previous Next 6.Remove the right cover. See “Right cover removal” on page 4-37. 7.Close the front access door assembly. 8.Release the spring (G) from the front door assembly. Note: In order to access the springs, make sure the top access cover is closed. 9.Remove the end of the cable (H) from the frame. 10.Remove the right restraint cable. G
Repair information4-103 5026 Go Back Previous Next Installation notes: The shorter restraint cable installs on the right side of the printer. Note: The frame end needs to be wrapped to inside of post for two full turns
4-104Service Manual 5026 Go Back Previous Next Fuser removal See “Fuser assembly, 115 V” on page 7-5, “Fuser assembly, 230 V” on page 7-5, or “Fuser assembly, 100 V” on page 7-5 for the part number. 1.Turn off the printer. 2.Open the front access door. 3.Open the top access door. 4.Rotate the fuser thumbscrews (A) counterclockwise until loosened. 5.Grasp the handles (B), slide the fuser out from the printer. Installation note: If you install a new fuser, be sure to reset the fuser counter in the Configuration Menu, and run the Motor Calibration. To reset the counter and run the calibration: 1.Enter the Configuration Menu. (Turn off the printer, press and hold Select ( )and , turn on the printer, and release the buttons when the clock graphic displays.) 2.Press Select ( ) for the Reset value. Resetting Fuser Count Value appears. 3.Select Motor Calibration from the CONFIG MENU. Calibrating displays, and the printer prints several blank pages and then returns to the CONFIG MENU. 4.Select Exit Config Menu. CAUTION The fuser can be extremely hot. Use care when handling to avoid burns. AB
Repair information4-105 5026 Go Back Previous Next Fuser AC cable removal Note: The LVPS to fuser AC cable is black. 1.Remove the top cover assembly. See “Top cover assembly removal” on page 4-43. 2.Turn the top cover assembly over. 3.Lift the locking latch (A) on the connector, slide the connector down, and remove the connector from the keyed hole. 4.Remove the cable from the cable openings (B). Note: Observe the routing of the cable for reinstallation.
4-106Service Manual 5026 Go Back Previous Next Fuser DC cable removal Note: The fuser to system board autoconnect cable is red. 1.Remove the top cover assembly. See “Top cover assembly removal” on page 4-43. 2.Turn the top cover assembly over. 3.Remove the connector (A) from the top cover assembly. Warning: You will damage the old connector in the process. Be careful not to damage the top cover assembly. 4.Pull the cable through the hole (B) in the top cover assembly, and the notch (C).
Repair information4-107 5026 Go Back Previous Next Hard drive assembly removal 1.Remove the two screws (A), and squeeze the connector to disconnect the hard disk from the system board (B). 2.Pull the hard disk straight out to pop the hard drive standoffs free of the system board.
4-108Service Manual 5026 Go Back Previous Next High-voltage power supply (HVPS) removal See “High-voltage power supply” on page 7-11 for the part number. 1.Remove the left cover. See “Left cover removal” on page 4-21. 2.Remove the six mounting screws (A). 3.Release the locking tab (B) from the front, lower corner of the HVPS. A B