Lexmark C746n User manual

Lexmark™C746n, C746dn, C746dtn,
C748e, C748de, C748dte
5026-3xx, 5xx
• Table of contents
• Start diagnostics
• Safety and notices
• Trademarks
• Index
Lexmark and Lexmark with diamond design are
trademarks of Lexmark International, Inc., registered
in the United States and or other countries.
Revised: April 19, 2012
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Parts catalog 7-1
5026
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7. Parts catalog
How to use this parts catalog
The following legend is used in the parts catalog:
•Asm-index: Identifies the assembly and the item in the diagram. For example, 3-1 indicates Assembly 3
and 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/option: Refers to the number of units in a particular option. It does not include the rest of the base
machine.
•Units/FRU: Refers to the number of units packaged together and identified by the part number.
•NS: (Not shown) in the Asm-Index column indicates that the part is procurable but is not pictured in the
illustration.
•Model information used in the parts catalog:
Asm-
index Part number Units/mach Units/
FRU Description
Abbreviation
used Machine type and model Printer name Description
310 5026-310 Lexmark C746n Network-ready
330 5026-330 Lexmark C746dn Network-ready with duplex
330 5026-330 Lexmark C746dtn Network-ready with duplex and 550 sheet
tray
510 5026-510 Lexmark C748e Network-ready with etask touch screen
530 5026-530 Lexmark C748de Network-ready with etask touch screen and
duplex
530 5026-530 Lexmark C748dte Network-ready with etask touch screen,
duplex, and 550 sheet tray
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7-2 Service Manual
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Assembly 1: Covers (C746)
1
2
3
4
5
16 17
17
13
14
15
6
7
8
9
10
11
12
18
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Parts catalog 7-3
5026
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Assembly 1: Covers (C746)
Index P/N Units/
mach Units/ FRU Description
1—1 40X7520 1 1 Top access cover assembly, 2.3 inch
2 40X7660 1 1 2.3 inch operator panel buttons parts package
Includes the following:
•Button kit
•Sleep button
•Return button
•Select button
•Navigation button
•Home button
•LED Lens
3 40X5121 1 1 Bin full sensor with cable
4 40X7603 1 1 2.3 inch operator panel assembly with card
Includes the following:
•LCD Display
•UICC card
5 40X7966 1 1 Top access cover parts package
Includes the following:
•Bin full flag
•Operator panel display bracket
6 40X5106 1 1 Output bin extension cover
7 40X5103 1 1 Rear upper cover
8 40X5993 1 1 Top cover assembly
9 40X5287 1 1 Cooling fan filter
10 40X5145 1 1 Rear frame cover
11 40X5105 1 1 Rear right cover
12 40X5153 1 1 Dust cover assembly
13 40X5104 1 1 Rear left cover
14 40X5994 1 1 Right cover
15 40X7661 1 1 Front access door cover assembly
16 40X5102 1 1 Left cover
17 40X5119 1 1 Top access cover links (slider cam)
Note: The left link is also available in the top access cover assembly and
the right link is also available in the EP drive assembly
18 40X8317 1 1 Operator panel bezel, C74x (blank logo)
18 40X6879 1 1 Operator panel bezel, C746n
18 40X7335 1 1 Operator panel bezel, C746dn and C746dtn
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7-4 Service Manual
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Assembly 2: Covers (C748)
1
2
3
6
19 18
18
17
15
16
78
9
11
12
14
13
20
4
5
10
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Parts catalog 7-5
5026
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Assembly 2: Covers (C748)
Index P/N Units/
mach Units/ FRU Description
2—1 40X5988 1 1 Top access cover assembly, 4.3 inch
2 40X5990 1 1 4.3 inch operator panel buttons parts package
Includes the following:
•Button kit
•Home button
•Sleep button
•LED Lens
3 40X5121 1 1 Bin full sensor with cable
4 40X5989 1 1 UICC card
5 40X7116 1 1 4.3 inch LCD display
6 40X7966 1 1 Top access cover parts package
Includes the following
•Bin full flag
•Operator panel display bracket
7 40X5106 1 1 Output bin extension cover
8 40X5103 1 1 Rear upper cover
9 40X5993 1 1 Top cover assembly
10 40X7703 1 1 Speaker
11 40X5287 1 1 Cooling fan filter
12 40X5145 1 1 Rear frame cover
13 40X5153 1 1 Dust cover assembly
14 40X5105 1 1 Rear right cover
15 40X5994 1 1 Right cover
16 40X7661 1 1 Front access door cover assembly
17 40X5104 1 1 Rear left cover
18 40X5119 1 1 Top access cover links (slider cam)
Note: The left link is also available in the top access cover assembly and
the right link is also available in the EP drive assembly
19 40X5102 1 1 Left cover
20 40X8317 1 1 Operator panel bezel, C74x (blank logo)
20 40X6877 1 1 Operator panel bezel, C748de
20 40X8259 1 1 Operator panel bezel, C748e
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7-6 Service Manual
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Assembly 3: Front
1
2
3
4
7
12
11
13
14
10
A
B
D
E
C
G
F
F
5
6
8
9
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Parts catalog 7-7
5026
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Assembly 3: Front
Index P/N Units/
mach Units/ FRU Description
3—1 40X8110 1 1 Fuser assembly, 115 V
1 40X8111 1 1 Fuser assembly, 230 V
1 40X8112 1 1 Fuser assembly, 100 V
2 Printer pad, included in screws parts packet (P/N 40X5136)
3 40X1446 1 1 Right bellcrank assembly, with spring
4 40X5132 1 1 MP feeder/duplex drive parts packet
Includes the following
•Retainer release arm
•Grease packet (Nyogel 744)
•Washer
•Duplex engagement gear
•MP feeder reduction gear
•MP feeder/duplex reduction gear
•MP feeder drive cover
5 40X6319 1 1 Cranklift spring and metal clip
6 40X8308 1 1 Paper pick assembly
7 40X5152 2 2 Pick arm roll
8 40X5999 1 1 Paper tray assembly, 550-sheet
9 40X6496 1 1 MPF pick arm assembly
10 40X5111 1 1 Front door parts packet
Includes the following:
•A—Front access door cap (1)
•B—Right cable assembly (1)
•C—Front access cover pivot (1)
•D—Left cable assembly (1)
•E—Front access door straps (2)
•F—Front access door bracket (1)
•G—Screw
11 40X5113 1 1 Duplex reference edge assembly
12 40X5995 1 1 Front door assembly
13 40X8307 1 1 Transfer module
14 40X1447 1 1 Left bellcrank assembly, with spring
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7-8 Service Manual
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Assembly 4: Right
1
2
3
4
5
6
7
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Parts catalog 7-9
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Assembly 4: Right
Index P/N Units/
mach Units/ FRU Description
4—1 40X5290 1 1 EP drive assembly
2 40X5991 1 1 Low-voltage power supply
3 40X5126 1 1 Motor driver card
4 40X8309 1 1 MP feeder/duplex motor
5 40X5128 1 1 24 V interlock switch
6 40X5127 1 1 5 V interlock switch
7 40X5998 1 1 MPF paper present sensor with cable
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