Lexmark X543 Service Manual

Pa r ts  ca ta l og7-3
Lexmark confidential until announce7525xxx
Assembly 1: Covers
Asm- 
indexPart 
numberUnits/
machUnits/ 
FRUDescription
1-1 40X5484 1 1 Tray, Output Bin
2 40X5489 1 1 Cover, AIO Back Cable
3 40X5482 1 1 Assembly, Top Cover
4 40X5537 1 1 Link, AIO
5 40X5534 1 1 Cover, AIO Toner
6 40X5486 1 1 Cover, Right AIO
7 40X5419 1 1 Tray Asm, 250 sheet
8 40X5168 2 2 Pick tires
9 40X5538 1 1 Cover, Front
10 40X5490 1 1 Cover, Front Middle 
11 40X5417 1 1 Cover, Left
NS 40X5434 1 1 Drawer,...

7-4Ser vice Manual 7525xxxLexmark confidential until announce
Assembly 2:  Scanner
2
1
4
14
3
56
12
8
9
10
11
13
15
16
17
7
18 

Pa r ts  ca ta l og7-5
Lexmark confidential until announce7525xxx
Assembly 2: Scanner
Asm- 
indexPart 
numberUnits/
machUnits/ 
FRUDescription
2-1 40X5470 1 1 Tray, ADF input
2 40X5477 1 1 Cover, ADF rear simplex
2 40X5478 1 1 Cover, ADF rear duplex
3 40X5479 1 1 Cable, ADF
4 40X5872 1 1 Bin full flag
6 40X5467 1 1 Asm, Flatbed
5 40X5492 1 1 Asm, redrive
7 40X5536 1 1 Lever, AIO release
8 40X5487 Cover, scanner right
9 40X5533 Cover, bezel
10 40X5481 Cable, Op panel
11 40X5480 Cable, USB (for...

7-6Ser vice Manual 7525xxxLexmark confidential until announce
Assembly 2 (continued):  Scanner
2
1
4
14
3
56
12
8
9
10
11
13
15
16
17
7
18 

Pa r ts  ca ta l og7-7
Lexmark confidential until announce7525xxx
Assembly 2 (continued): Scanner
Asm- 
indexPart 
numberUnits/
machUnits/ 
FRUDescription
14 40X5525 1 1 Bezel, op panel 4-1 (Czech)
14 40X5526 1 1 Bezel, op panel 3-1 (Czech)
14 40X5529 1 1 Bezel, op panel 4-1 (Hungarian)
14 40X5530 1 1 Bezel, op panel 3-1 (Hungarian)
14 40X5505 1 1 Bezel, op panel 4-1 (Simplified Chinese)
14 40X5506 1 1 Bezel, op panel 3-1 (Simplified Chinese)
14 40X5507 1 1 Bezel, op panel 4-1 (Traditional Chinese)
14...

7-8Ser vice Manual 7525xxxLexmark confidential until announce
Assembly 3:  Paperpath 

Pa r ts  ca ta l og7-9
Lexmark confidential until announce7525xxx
Assembly 3: Paperpath
Asm- 
indexPart 
numberUnits/
machUnits/ 
FRUDescription
3-1 40X5411 1 1 Printhead
2 40X5415 1 1 Fuser drive motor assembly
3 40X5422 1 1 Bottom left and right frame and cable cover
4 40X5424 1 1 Screw packet, miscellaneous screws
TAPTITE M3 L6 PANHD(4)
Tr a y  B i a s  ( 2 )
Fuser Latch (2)
ITU Front Hold Down (1)
Front Cover Latch Spring (2)
M3 x 6 Pan Head (2)
M3 x 6 Shoulder (1)
M3.5 X 5 Flat Head Plastite (1)...

7-10Service Manual 7525xxxLexmark confidential until announce
Assembly 4:  Electronics 1 

Parts catalog7-11
Lexmark confidential until announce7525xxx
Assembly 4: Electronics 1
Asm- 
indexPart 
numberUnits/
optionUnits/ 
FRUDescription
4-1 40X5466 1 1 Controller board,,4-1
1 40X5465 1 1 Controller board, 3-1
2 40X5319 1 1 Wireless antenna
3 40X5036 1 1 Wireless card assembly
4 40X5404 1 1 Toner meter cycle card assembly
5 40X5405 1 1 High-voltage power supply
6 40X5426 3 1 Photo sensor (one per package) used for
A    Tray present
B    Interlock
C    Exit bin
7 40X5409 1 1 Low-voltage power...

7-12Service Manual 7525xxxLexmark confidential until announce
Assembly 5:  Electronics 2
Asm- 
indexPart 
numberUnits/
optionUnits/ 
FRUDescription
5-1 40X5429 1 1 ITU paper path thermistor
2 40X5414 2 1 Toner density sensors, left or right (one in package)
3 40X5421 1 1 Imaging unit contact (Pogo pin)
4 40X5423 1 1 Cable packet, used for:
A   AC power in
B   Low-voltage power supply
C   High-voltage power supply
D   Fuser / S1
E   CMY / K motors
F   Option tray
G   Fuser exit / narrow media / bin full
H...