Lexmark X 850 Owners Manual

Repair information4-203
7500-XXX
Sensor (document tray width 2) removal
1.Open the ADF left cover assembly.
2.Lift the document tray assembly.
3.Remove the five screws securing the cover (A).
4.Remove the cover (A).
5.Remove the two screws securing the bracket (B). 
6.Remove the bracket (B).
7.Remove the connector from the sensor (document tray width 2) (C).
8.Release the hooks securing the sensor (document tray width 2) (C).
9.Remove the sensor (document tray width 2) (C).
Note:  The sensor (document...

4-204MFP Service Manual 7500-XXX
Sensor (document tray width 3) removal
1.Open the ADF left cover assembly.
2.Lift the document tray assembly.
3.Remove the five screws securing the cover (A).
4.Remove the cover (A).
5.Remove the two screws securing the bracket (B). 
6.Remove the bracket (B).
7.Remove the connector from the sensor (document tray width 3) (C).
8.Release the hooks securing the sensor (document tray width 3) (C).
9.Remove the sensor (document tray width 3) (C).
Note:  The sensor (document...

Repair information4-205
7500-XXX
Sensor (document tray length 1) removal
1.Open the ADF left cover assembly.
2.Lift the document tray assembly.
3.Remove the five screws securing the cover (A). 
4.Remove the cover (A).
5.Remove the connector from the sensor (document tray length 1) (B).
6.Release the hook securing the sensor (document tray length 1) (B).
7.Remove the sensor (document tray length 1) (B).
Note:  The sensor (document tray length 1) and the sensor (document tray length 2) are identical.
A
B...

4-206MFP Service Manual 7500-XXX
Sensor (document tray length 2) removal
1.Open the ADF left cover assembly.
2.Lift the document tray assembly.
3.Remove the five screws securing the cover (A). 
4.Remove the cover (A).
5.Remove the connector from the sensor (document tray length 2) (B).
6.Release the hook securing the sensor (document tray length 2) (B).
7.Remove the sensor (document tray length 2) (B).
Note:  The sensor (document tray length 1) and the sensor (document tray length 2) are identical.
A
B...

Repair information4-207
7500-XXX
2000-sheet dual input (TTM) removals 
Rear
Right
Front Left 

4-208MFP Service Manual 7500-XXX
2000-sheet dual input (TTM)–top cover removal 
1.Pull out tray 3 (A) and tray 4 (B). 
2.Remove one screw securing the top cover (C). 
3.Remove the top cover (C). 
C
A
B 

Repair information4-209
7500-XXX
2000-sheet dual input (TTM)–foot cover removal 
1.Remove tray 3 assembly. See “2000-sheet dual input (TTM)–tray 3 assembly removal” on 
page 4-217. 
2.Remove tray 4 assembly. See “2000-sheet dual input (TTM)–tray 4 assembly removal” on 
page 4-216. 
3.Remove the right cover. See “2000-sheet dual input (TTM)–right cover removal” on page 4-210.
4.Remove two screws securing the foot cover (A). 
5.Remove the foot cover (A). 
A
Front 

4-210MFP Service Manual 7500-XXX
2000-sheet dual input (TTM)–right cover removal 
1.Remove two screws securing the right cover (A). 
2.Remove the right cover (A) by lifting upward and outward in the direction of the arrow. 
Front
A 

Repair information4-211
7500-XXX
2000-sheet dual input (TTM)–left cover removal 
1.Remove two screws securing the left cover (A). 
2.Remove the left cover (A). 
A 

4-212MFP Service Manual 7500-XXX
2000-sheet dual input (TTM)–rear cover removal 
1.Remove four screws securing the rear cover (A). 
2.Remove the rear cover (A). 
ARear