Lexmark C736 Service Manual

Repair information4-199
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3.Release the hooks (B) securing the pass thru sensor to the top plate assembly. 
4.Remove the pass thru sensor from the top plate assembly.
5.Release the harness from the clamps (C).
6.Remove the eight screws (D) securing the elevator motor with sensor to the side frame.
7.Remove the elevator motor with sensor. 

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HCIT pick arm roll removal
1.Remove the high-capacity input tray (HCIT) media tray assembly. See “HCIT media tray assembly 
removal” on page 4-191.
2.Pull the autocompensator pick arm (A) down.
3.Remove the pick arm roll (B) from the pick roll assembly (C).
4.Repeat for the other pick arm roll (D).
Note:  Always replace the pick arm rolls as pairs.
Installation notes:
See “Pick arm roll removal and replacement” on page 4-133 to make sure the pick arm roll...

Repair information4-201
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HCIT slide assembly with spring removal
1.Remove the HCIT controller board assembly. See “HCIT controller board assembly removal” on 
page 4-197.
2.Disconnect the two springs (A) from the frame.
Note:  Leave the springs attached to the cam size sensing plate (B) and the actuator switch.
3.Slide the cam size sensing plate (B) through the access hole in the rear side frame.
4.Remove the media size actuator from the card mount option (C).
5.Snap loose the...

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6.Remove the four screws (E) securing the card mount option to the frame.
7.Remove the card mount option.
Installation note:
1.Place the card mount option into position, and secure it with the four screws.
2.Reinstall the media size actuator to the card mount option.
3.Reinstall the actuator switch with spring through the inside of the drawer. 
4.Reinstall the cam size sensing plate with spring through the access hole in the rear side.
5.Reattach the two...

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Photointerrupter sensor with cable assembly removal
1.Remove the high-capacity input tray (HCIT) right cover. See “HCIT right cover removal” on page 4-194.
2.Disconnect the photointerrupter sensor cable connector (A) from the HCIT controller board.
3.Turn the drawer rear side down, and use 4.0 mm wrench to remove the four Allen screws (B) securing the 
counterweight to the rear frame.
Warning:  Do not remove the screws without turning the drawer rear...

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4.Remove the screw (C) securing the sensor to the rear frame, and then release the hooks (D).
Note:  Remove the cable from the restraint, and observe the routing for reinstallation.
5.Remove the photointerrupter sensor with cable assembly.
Top plate assembly removal
1.Remove the high-capacity input tray (HCIT) right cover. See “HCIT right cover removal” on page 4-194. 
2.Disconnect the five connectors (A) from the HCIT controller board.
C D
A 

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3.Release the hooks (B) securing the pass thru sensor from the top plate assembly.
4.Remove the fourteen screws (C) securing the top plate assembly to the frame.
5.Remove the top plate assembly.
B
CC C 

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Connector locations5-1
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5.  Connector locations
Locations 

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Connectors
System board diagram
1
JSB1JBIN1
JFAN1JFUSER1
JBOR1JHVPS1
JMIRR1JBLW1
JCVR1
JLVPS2
JCARTP1
JCARTS1
JCARTS2
JCARTP2
JDVR1
JTPS1
JOPT1
JFDS1
JINT1
JFDPCK1 JTRAY1 JSEC1JDX1
JT12J5 JDIMM1JOPP1
JT1
JUSB1 JBOOT1
JFMUSB1 J49
JTWF1
JTDBUG1
1111
11
1
11
1
1
1
1
1
1
1
1
1
11
1
1111
JTLBT1
JPH1
F5F6
F7
F9
F10
F12
F13
F8
1
1
J10
11
F15