Lexmark X 850 Owners Manual

Repair information4-213
7500-XXX
2000-sheet dual input (TTM)–caster 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.Place the right side down. 
4.Remove three screws securing the caster (A). 
5.Remove the caster (A). 
A 

4-214MFP Service Manual 7500-XXX
2000-sheet dual input (TTM)–tray support roll 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 foot cover. See “2000-sheet dual input (TTM)–foot cover removal” on page 4-209.
4.Remove two screws securing the two brackets (A). 
5.Remove the two e-clips securing the tray support rolls (B) to the two...

Repair information4-215
7500-XXX
8.Remove the tray support rolls (B). 
Front
B
D
CE-ring 

4-216MFP Service Manual 7500-XXX
2000-sheet dual input (TTM)–tray 4 assembly removal 
1.Pull out the tray 4 assembly. 
2.Remove two screws securing the tray 4 transport assembly (A). 
3.Push the tray 4 transport assembly (A) into the machine in the direction of the arrow. 
4.Remove two screws securing the tray 4 stopper (B) to the lower part of tray 4 assembly (C). 
5.Remove the tray 4 stopper (B).
6.Remove the tray 4 assembly (C). 
A
D
C
B 

Repair information4-217
7500-XXX
2000-sheet dual input (TTM)–tray 3 assembly removal 
1.Remove the left cover. See “2000-sheet dual input (TTM)–left cover removal” on page 4-211. 
2.Open the 2TM/TTM left door assembly. 
3.Loosen the screw securing the tray 3 stopper (A). 
4.Move the tray 3 stopper (A) outward in the direction of the arrow while pulling out the tray 3 assembly (B). 
5.Remove the tray 3 assembly (B). 
AFrontB
Screw 

4-218MFP Service Manual 7500-XXX
2000-sheet dual input (TTM)–tray 3 front cover removal 
1.Pull out the tray 3 assembly. 
2.Remove two screws securing the tray 3 front cover (A) to tray 3 assembly (B). 
3.Remove the tray 3 front cover (A). 
AB 

Repair information4-219
7500-XXX
2000-sheet dual input (TTM)–tray 3 rear cable assembly removal 
1.Remove the left cover. See “2000-sheet dual input (TTM)–left cover removal” on page 4-211. 
2.Remove the tray 3 assembly. See “2000-sheet dual input (TTM)–tray 3 assembly removal” on 
page 4-217.
3.Remove the tray 3 front cover. See “2000-sheet dual input (TTM)–tray 3 front cover removal” on 
page 4-218. 
4.Remove the E-clip with a prying tool securing the front lift cable pulley (A) to the tray lift shaft...

4-220MFP Service Manual 7500-XXX
7.Move the rear lift cable pulley (D) toward the rear of the tray to release the two tray 3 rear cables (E) from 
the tray lift shaft assembly (B).
8.Remove the two tray 3 rear cables (E) from the tray lift shaft assembly (B).  

Repair information4-221
7500-XXX
9.Remove two E-clips with a prying tool securing the two small pulleys (F) on the rear of the frame assembly. 
10.Remove the two small guides (G) and the two small pulleys (F). 
11.Remove the E-clip with a prying tool securing the large guide (H) and the large pulley (I) to the frame 
assembly. 
12.Remove the large guide (H) and the large pulley (I). 
13.Remove the tray 3 rear cables (E) from the bottom plate (J). 
Note:  Before re-installing: 
—Ensure tray 3 rear cables...

4-222MFP Service Manual 7500-XXX
2000-sheet dual input (TTM)–tray 3 front cable assembly removal 
1.Remove the left cover. See “2000-sheet dual input (TTM)–left cover removal” on page 4-211. 
2.Remove the tray 3 assembly. See “2000-sheet dual input (TTM)–tray 3 assembly removal” on 
page 4-217.
3.Remove the tray 3 front cover. See “2000-sheet dual input (TTM)–tray 3 front cover removal” on 
page 4-218.
4.Remove the E-clip with a prying tool securing the tray lift pulley (A) to the tray lift shaft...