Lexmark C736 Service Manual

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Installation note:  Make sure to properly align the pins to their proper slot when reinstalling the 
cartridge guide wheel. Be careful not to damage or bend the pins.
Installation note:  Inspect carefully if the cartridge guide wheel is seated properly on the cartridge 
guide before reinstalling the screw on the cartridge guide. 

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2.For black:
a.Remove the screw (D) from the lower-most cartridge guide.
b.Gently pull the cartridge guide, then remove the front (E) or rear (F) cartridge guide wheel.
CAUTION: Do not pull too hard on the cartridge guide to avoid damage.
D
EF 

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Note:  When replacing either the front or rear cartridge guide wheel, be careful to not let the non-
defective cartridge guide wheel fall off.
Installation note:  Inspect carefully if the cartridge guide wheel is seated properly on the cartridge 
guide before reinstalling the screw on the cartridge guide.
Cartridge cooling fan removal
1.Remove the top cover. See “Top cover assembly removal” on page 4-43.
2.Turn the top cover over, and remove the two...

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Cartridge motor 1/fuser cable removal
1.Remove the LVPS. See “Low-voltage power supply (LVPS) removal” on page 4-112.
2.Disconnect the connectors in JCARTP1 (A) and JCARTS1 (B) on the system board.
3.Disconnect the connectors from the cartridge motor 1 (C) and the fuser motor (D). 

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4.Disconnect the camshaft cable connector (E) from the motor card, and unwind the two cables.
5.Remove the cable from the six retainers (F).
Installation notes:
•Make sure you wrap the camshaft cable around the cartridge motor 1/fuser cable, as shown, to prevent the 
cables from interfering with the motors or the motors damaging the cables.
•Note the routing of the cables and the cable retainers. 

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Cartridge motor 2/3 cable removal
1.Remove the LVPS. See “Low-voltage power supply (LVPS) removal” on page 4-112.
2.Disconnect the connectors in JCARTP2 (A) and JCARTS2 (B) on the system board.
3.Disconnect the connectors from the cartridge motor 2 (C) and cartridge motor 3 (D). 

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4.Remove the cable from the six retainers (E).
Installation notes:
Note the routing of the cables and the cable retainers. 

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Color on demand assembly removal
1.Remove the print cartridges.
2.Remove the top cover assembly. See “Top cover assembly removal” on page 4-43.
3.Disconnect the connector at JBOR1 (A) on the system board.
4.Remove the five screws (B).
5.Remove the COD assembly. 

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Installation notes:
1.Push the actuators (A) all the way down.
2.Turn the printer around, and verify the actuators are in the correct location by looking inside the front of the 
printer. The actuators (B) should be visible in the triangular holes in the frame, as shown.
A 

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3.Rotate the large COD gear until the stop (C) on the gear is against the housing.
4.Engage the gears on the left side of the COD.
C