Lexmark X 850 Owners Manual
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Repair information4-223 7500-XXX 7.Remove two E-clips with a prying tool securing the two small pulleys (D) on the front of the frame assembly. 8.Remove two small guides (E) and the two small pulleys (D). 9.Remove the tray 3 front cables (C) from the bottom plate (F). Note: Before re-installing: —It is recommended that all four cables be replaced. —Ensure tray 3 front cables (C) are not twisted or kinked. —Route the cables properly as shown in the figure. —Replace the cables by setting the frame assembly (B) on its side as shown in the figure. 2000-sheet dual input (TTM)–media guide rack and pinion removal 1.Remove the tray 3 assembly. See “2000-sheet dual input (TTM)–tray 3 assembly removal” on page 4-217. 2.Place the tray 3 assembly on its right side. 3.Remove two e-clips securing the two pinion gears (A) to the frame assembly (B). 4.Remove the two pinion gears (A). 5.Remove the four screws securing the two rack gears (C) to the frame assembly (B).
4-224MFP Service Manual 7500-XXX 6.Remove the rack gears (C). C B E-ring A A Left E-ring C
Repair information4-225 7500-XXX Note: Before re-installing, move the two side guides (D) of the frame assembly (B) fully outward before installing the two pinion gears (A). D D
4-226MFP Service Manual 7500-XXX 2000-sheet dual input (TTM)–tray 3 media guide lock assembly removal 1.Remove the tray 3 assembly. See “2000-sheet dual input (TTM)–tray 3 assembly removal” on page 4-217. 2.Remove the tray 3 front cover. See “2000-sheet dual input (TTM)–tray 3 front cover removal” on page 4-218. 3.Remove the tray 3 rear cable assembly. See “2000-sheet dual input (TTM)–tray 3 rear cable assembly removal” on page 4-219. 4.Remove the tray 3 front cable assembly. See “2000-sheet dual input (TTM)–tray 3 front cable assembly removal” on page 4-222. 5.Remove the media guide rack and pinion. See “2000-sheet dual input (TTM)–media guide rack and pinion removal” on page 4-223. 6.Move both media guides fully inward. 7.Lift the front edge of the bottom plate from the tray. 8.Remove the bottom plate (A) from the tray. 9.Remove the two screws securing the bracket (B) to the tray. 10.Remove the front media guide (C). 11.Remove the e-clip securing the tray 3 media guide lock (D) to the front media guide (C). 12.Remove the tray 3 media guide lock (D). 13.Remove the spring (E). 14.Remove the tray 3 media guide lock button (F) from the tray 3 media guide lock (D). Note: Before re-installing, ensure the tray 3 media guide lock (D) and the tray 3 media guide lock button (F) are properly installed as shown in the figure. BDF A C E
Repair information4-227 7500-XXX 2000-sheet dual input (TTM)–tray 3 mylar actuator removal 1.Remove the tray 3 assembly. See “2000-sheet dual input (TTM)–tray 3 assembly removal” on page 4-217. 2.Remove the tray 3 front cover. See “2000-sheet dual input (TTM)–tray 3 front cover removal” on page 4-218. 3.Remove the tray 3 rear cable assembly. See “2000-sheet dual input (TTM)–tray 3 rear cable assembly removal” on page 4-219. 4.Remove the tray 3 front cable assembly. See “2000-sheet dual input (TTM)–tray 3 front cable assembly removal” on page 4-222. 5.Remove the media guide rack and pinion. See “2000-sheet dual input (TTM)–media guide rack and pinion removal” on page 4-223. 6.Move both media guides fully inward. 7.Lift the front edge of the bottom plate (A) from the tray. 8.Remove the bottom plate (A) from the tray. 9.Remove the two screws securing the bracket (B) to the tray. 10.Remove the rear media guide (C). 11.Remove the mylar actuator (D) by sliding it out of the tray in the direction of the arrow. Note: Before re-installing, ensure the bosses on the rear media guide (C) are fitted into the slots on the mylar actuator (D) as shown in the figure. A B C D Slots
4-228MFP Service Manual 7500-XXX 2000-sheet dual input (TTM)–tray 4 front cover removal 1.Remove the tray 4 assembly. See “2000-sheet dual input (TTM)–tray 4 assembly removal” on page 4-216. 2.Remove two screws securing the tray 4 front cover (A). 3.Remove the tray 4 front cover (A) by moving it upward in the direction of the arrow. 4.Remove the four screws securing the bracket (B) to the tray. 5.Remove the bracket (B). B A
Repair information4-229 7500-XXX 2000-sheet dual input (TTM)–tray 4 media transport assembly removal 1.Remove the tray 4 assembly. See “2000-sheet dual input (TTM)–tray 4 assembly removal” on page 4-216. 2.Remove the tray 4 transport assembly (A). Note: Before re-installing, insert the tray 4 transport assembly (A) into the rails of the frame assembly (B). A B
4-230MFP Service Manual 7500-XXX 2000-sheet dual input (TTM)–tray 4 rear cables removal 1.Remove the tray 4 assembly. See “2000-sheet dual input (TTM)–tray 4 assembly removal” on page 4-216. 2.Remove the tray 4 front cover. See “2000-sheet dual input (TTM)–tray 4 front cover removal” on page 4-228. 3.Place the tray 4 assembly on its right side as shown in the figure. 4.Remove the E-clip with a prying tool securing the tray lift cable pulley (A) to the tray lift shaft assembly (B). 5.Gently move the tray lift shaft assembly (B) toward the rear of the tray and detach the rear bushing (C) from the frame. Note: Do not remove the front lift cable pulley (A) or the front lift cables will become detached. 6.Move the rear portion of the tray lift shaft assembly (B) away from the frame. 7.Move the rear the rear lift cable pulley (E) toward the rear of the tray to release the two tray 4 rear cables (D) from the tray lift shaft assembly (B). 8.Remove the two tray 4 rear cables (D) from the tray lift shaft assembly (B).
Repair information4-231 7500-XXX 9.Place the tray 4 assembly back to its upright position.
4-232MFP Service Manual 7500-XXX 10.Remove two E-clips with a prying tool securing the two small pulleys (F) on the rear of the frame assembly. 11.Remove two small guides (G) and two small pulleys (F). 12.Remove the tray 4 rear cables (D) from the bottom plate (H). Note: Before re-installing: —It is recommended that all four cables be replaced. —Ensure tray 4 rear cables (D) are not twisted or kinked. —Route the cables properly as shown in the figure. —Replace the cables by setting the frame assembly on its side as shown in the figure.