Lexmark X 850 Owners Manual

Parts catalog7-1
7500-XXX
7.  Parts catalog
How to use this parts catalog
The following legend is used in the parts catalog:
•Assembly-index: Identifies the assembly and the item in the diagram. For example 3-1 indicates 
Assembly 3 and the item number 1 in the table.
•Part number: Identifies the unique number that identifies this FRU.
•Units/mach: Refers to the number of units actually used in the base machine or product.
•Units/kit or pkg: Refers to the number of units packaged together and identified...

7-2MFP Service Manual 7500-XXX
Assembly 1:  Covers (1 of 2) 
3
11
5
9
2
10
6
4
8
1
12
7 

Parts catalog7-3
7500-XXX
Assembly 1: Covers (1 of 2)
Asm 
IndexPart 
numberUnits/
machUnits/ kit 
or pkgDescription
1—1 40X0553 1 1 Switch (printer front door interlock)
2 40X2366 1 1 Top cover assembly 
3 40X2385 1 1 Printer front door assembly 
4 40X0560 1 1 Front door magnetic catch 
5 40X0561 1 1 Front door support strap 
6 40X0562 1 1 Front inner cover 
7 40X0960 1 2 2TM/TTM retaining screws
8 40X2294 1 1 Front left cover 
9 40X0550 1 1 Left lower cover 
10 40X2296 1 1 Front interior cover
11...

7-4MFP Service Manual 7500-XXX
Assembly 2:  Covers    
4
12
8
6
10
3
11
7
5
13
9
1
2 

Parts catalog7-5
7500-XXX
Assembly 2: Covers
Asm 
IndexPart 
numberUnits/
machUnits/ kit 
or pkgDescription
1—1 40X2300 1 1 Rear motor cover 
2 40X2382 1 1 TVOC filter assembly
3 40X2304 1 1 Rear RIP card cover
4 40X2306 1 1 Controller box side cover
5 40X2301 1 1 Rear Upper cover
6 40X2386 1 1 Rear lower cover (110V) 
6 40X2387 1 1 Rear lower cover (220V) 
7 40X0568 1 1 Option hookup cover 
8 40X2302 1 1 Rear lower cap cover
9 40X2303 1 1 GFI label
10 40X2299 1 1 Rear corner cover
11 40X2305 1 1...

7-6MFP Service Manual 7500-XXX
Assembly 3:  Media feed unit   
3
4
1
2 

Parts catalog7-7
7500-XXX
Assembly 3: Media feed unit
Asm 
IndexPart 
numberUnits/
machUnits/ kit 
or pkgDescription
3-1 40X0570 2 1 Switch (media size) 
2 40X0569 2 3 Media tray catch kit includes: 
• Media tray catch 
• Media tray slide (2 each)
3 40X0572 1 1 Vertical turn guide 
4 40X0571 1 1 Vertical turn mylar guide  

7-8MFP Service Manual 7500-XXX
Assembly 4:  Media feed unit exploded (tray 1 and tray 2) 
3
11
7
13
19
9
15
2
12
14
5
10
8
10
10
16
17184
4
6
1
Note: Applies to
tray 3 and tray 4 

Parts catalog7-9
7500-XXX
Assembly 4: Media feed unit exploded (tray 1 and tray 2) 
Asm 
IndexPart 
numberUnits/
machUnits/ kit 
or pkgDescription
4—1 40X0581 2 1 Media feed unit assembly 
2 40X0582 2 1 Media feed lift motor 
3 40X0585 2 6 Media feed drive gear kit includes: 
• Media feed unit drive gear 13T
• Media feed unit drive gear 28/21T
• Media feed unit drive gear 29T
• Media feed unit drive gear 27T
• 2 mm washer (2 each)
4 40X0880 2 1 Bushing 6 mm
5 40X0967 2 2 Media tray lift one-way...

7-10MFP Service Manual 7500-XXX
Assembly 5:  Media tray 
3
9
6
2
7
4
8
7
1
5
5