Lexmark X 850 Owners Manual
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Repair information4-263 7500-XXX 2000-sheet dual input (TTM)–separation roll removal 1.Remove the media tray assembly. 2.Move the feed unit front guide (A) in the direction of the arrow. 3.Release the hook securing the separation roll (B) to the shaft (C). A C B Front
4-264MFP Service Manual 7500-XXX 4.Remove the separation roll (B). Note: Do not touch the rubber surface of the feed roll (B). Note: Before re-installing, do not touch the rubber surface of the separation roll (B). A Front BC
Repair information4-265 7500-XXX 2000-sheet dual input (TTM)–pick roll idler gear 33 tooth removal 1.Remove the media tray assembly. 2.Remove the pick roll. See “2000-sheet dual input (TTM)–pick roll removal” on page 4-266. 3.Remove the pick roll drive gear 25 tooth. See “2000-sheet dual input (TTM)–pick roll drive gear 25 tooth removal” on page 4-267. 4.Remove the pick roll idler gear 33 tooth (A). Front A
4-266MFP Service Manual 7500-XXX 2000-sheet dual input (TTM)–pick roll removal 1.Remove the media tray assembly. 2.Move the front guide (A) in the direction of the arrow. 3.Release the hook securing the pick roll (B) to the shaft (C). 4.Remove the pick roll (B). Note: Do not touch the rubber surface of the feed roll (B). Note: Before re-installing, do not touch the rubber surface of the pick roll (B). C B Hook A Front
Repair information4-267 7500-XXX 2000-sheet dual input (TTM)–pick roll drive gear 25 tooth removal 1.Remove the media tray assembly. 2.Remove the pick roll. See “2000-sheet dual input (TTM)–pick roll removal” on page 4-266. 3.Remove the pick roll drive gear 25 tooth (A). A Front B
4-268MFP Service Manual 7500-XXX 2000-sheet dual input (TTM)–feed unit drive gear 27 tooth removal 1.Remove the media feed unit assembly. See “2000-sheet dual input (TTM)–media feed unit assembly removal (tray 3)” on page 4-243 or “2000-sheet dual input (TTM)–media feed unit assembly removal (tray 4)” on page 4-239. 2.Remove the harness from the bracket (A). 3.Remove the three screws securing the bracket (A) to the media feed unit assembly. 4.Remove the bracket (A). Note: The gears may become detached from the bracket (A). 5.Remove the hook securing the feed unit drive gear - 27 tooth (B) to the shaft (C). 6.Remove the feed unit drive gear - 27 tooth (B). Note: Before re-installing, ensure all gears and washers are securely attached to the bracket (A). Harness Clamp A RearHook BC Washer
Repair information4-269 7500-XXX 2000-sheet dual input (TTM)–2TM/TTM left door assembly removal 1.Open the 2TM/TMM left door assembly. 2.Remove one screw securing the 2TM/TTM left door support strap (A). 3.Remove one screw securing the bracket (B). 4.Remove the bracket (B). 5.Move the 2TM/TTM left door assembly (C) toward the right and outward in the direction of the arrow. 6.Remove the 2TM/TTM left door assembly (C). A C BFront
4-270MFP Service Manual 7500-XXX 2000-sheet dual input (TTM)–switch (2TM/TTM left door interlock) removal 1.Open the left door assembly. 2.Remove the screw securing the bracket (A). 3.Remove the bracket (A). 4.Disconnect the connector from the switch (2TM/TTM left door interlock) (B). 5.Release the hooks securing the switch (2TM/TTM left door interlock) (B) to the bracket (A). 6.Remove the switch (2TM/TTM left door interlock) (B). B AFront
Repair information4-271 7500-XXX 2000-sheet dual input (TTM)–tray 3 lift gear assembly removal 1.Remove the rear cover. See “2000-sheet dual input (TTM)–rear cover removal” on page 4-212. 2.Remove the media feed unit 3 assembly. See “2000-sheet dual input (TTM)–media feed unit assembly removal (tray 3)” on page 4-243. 3.Release the harness from the clamp of the tray 3 lift gear assembly (A). 4.Remove two screws securing the tray 3 lift gear assembly (A). 5.Remove the tray 3 lift gear assembly (A). ClampClamp A
4-272MFP Service Manual 7500-XXX 2000-sheet dual input (TTM)–tray 4 lift gear assembly removal 1.Remove the rear cover. See “2000-sheet dual input (TTM)–rear cover removal” on page 4-212. 2.Remove the controller card assembly. See “2000-sheet dual input (TTM)–2TM/TTM controller card assembly removal” on page 4-274. 3.Release the two harnesses from the clamp of the tray 4 lift gear assembly (A). 4.Remove two screws securing the tray 4 lift gear assembly (A). 5.Remove the tray 4 lift gear assembly (A). A Clamps