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Lexmark X342N Service Manual - Page 156

X340/X342n, Menu button

UPC - 734646256292

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Page 156 highlights

7003-XXX service error codes 2-7 sub errors 2-14 user attendance messages 2-10 ESD-sensitive parts 4-1 exit sensor removal 4-17 extender cover removal 4-2 F fan removal 4-18 Fax specifications 1-6 Flatbed cover removal 4-48 fonts 1-2 frame, parts catalog 7-10 front access cover removal 4-2 fuser removal 4-20 service check 2-23 fuser idle gear links removal 4-21 fuser power cable removal 4-22 G general information 1-1 H handling ESD-sensitive parts 4-1 I Input roller clutch and lever removal 4-23 Input sensor #1 removal 4-24 input sensor #2(manual feed) removal 4-25 J Job setup buttons 2-4 L left side cover removal 4-3 locations 5-1 ADF 5-2 controller card 5-4 controller card connections 5-5 controller card pin assignments 5-8 front view 5-1 modem card 5-6 power supply board 5-3 power supply board connections 5-3 rear view 5-1 wiring diagram 5-7 Lower right side cover removal 4-10 LVPS/HVPS card assembly I-2 Service Manual removal 4-26 LVPS?HVPS to controller card cable removal 4-27 M maintenance approach 1-1 manual feed clutch assembly 4-28 input sensor #2 4-25 print media types and sizes 1-4 manual feed clutch removal 4-28 Media trays and supply capacity 1-3 memory 1-1 Menu button 2-5 menus printing 3-1 X340/X342n diagnostics menu 3-2 messages paper jam messages 2-9 service error codes 2-7 user attendance messages 2-10 MFP specifications 1-1 connectivity and compatibility 1-2 fonts 1-2 memory 1-1 minimum clearance requirements 1-1 print speed 1-1 trays and supply capacities 1-3 types of print media 1-4 mfp symptoms 2-2 minimum clearance requirements 1-1 Mode selection 2-4 modem card removal 4-54 modem speaker assembly removal 4-55 Multi-purpose job setup buttons 2-5 N Navigation keys 2-5 O operator panel buttons 2-4 service check 2-27 operator panel assembly removal 4-30 P paper exit guide assembly removal 4-31 paper jams 2-9 tips on preventing 1-6 parts catalog covers 7-2 covers 7-3 electronics 7-8 electronics 7-9 manuals4you.com

Section	Page
Cover Page-Service	1
Table of contents	3
Safety notices	7
1. General information	15
Maintenance approach	15
MFP Specifications	15
Minimum clearance requirements	15
Memory	15
Print speed	15
Supported operating systems	16
Connectivity and compatibility	16
Supported external network connections	16
Fonts	16
Media trays and supply capacity	17
Types of print media	18
Scanner specifications	19
Fax Specifications	20
Tips on preventing jams	20
Tools	21
Acronyms	22
2. Diagnostic information	23
Start	23
Power-On Reset (POR) sequence	23
Symptom tables	24
POST symptom table	24
POST symptom table	24
MFP symptom table	24
Understand the operator panel	26
Buttons	26
Using the MFP menus	28
Messages and error codes	29
Service error codes	29
Non 9xx service errors	30
Error	30
Description	30
Action	30
Paper jam messages	31
User attendance messages	32
Sub error codes	35
Displayed error codes	35
Values	36
Disconnects on the controller card	40
Service checks	41
ADF service check	41
CCD service check	42
Cold fuser service check	42
Cooling fan service check	42
Controller card service check	43
Cover interlock switch service check	44
Dead machine service check	44
Fax quality service check	45
Diagnosing fax problems	45
Fuser service check	45
Fuser service check (continued)	46
Hot fuser service check	46
LVPS/HVPS service check	47
Main motor service check	47
Modem service check	48
Network card service check	48
Operator panel service check	49
Paperpath sensor service check	50
Printhead service check	50
Paper feed service checks	51
Paper jam error indication during POST	51
Paper picks during POST and/or continuously	51
Paper picks but stops half way through the MFP	51
Paper never picks	51
Paper occasionally picks or picks multiple sheets at once	52
Paper “trees,” wrinkles, stacks poorly or curls	52
A4, oversized paperfeed service check	52
Print quality service checks	53
Using print quality test pages	53
Blank page	53
Black page	53
Heavy background	54
Partial blank image/white spots (no periodic pattern)	54
Variation in image density horizontally across page	54
Poor fusing of image	54
Light print	55
White or black lines or bands	55
Toner on back of page	55
Solving print quality problems	56
Scan quality service checks	59
Image unclear	59
Irregular movement	59
No image	59
Toner sensor service check	60
Transfer roll service check	60
3. Diagnostic aids	61
Accessing service menus	61
Printing menus	61
Diagnostics mode	62
Available menu items	62
Serial number	63
USB	63
Printer Model	64
Power supply ID	64
Count reset	64
Page Count	64
Fax Usage	65
Scan Usage	65
Network menu	65
Print Debug	65
Force Speed	65
NVRAM Reset	66
Registration	66
Printer Registration	66
Scanner Registration	67
Using the test copy page rulers to determine correct scanner registration with build 67 firmware	68
Scanner calibration	69
ATM menu	69
Fax settings	69
Fax Modulations	69
Detect EOLs	69
AutoPrint T30 Log	69
Print T30 Log	70
Print All T30 Logs	70
Print CND logs	70
Print Stack Info	70
Station ID	70
Faxtrace Mask	70
Homologation settings	71
Utilities	71
Fax NVRAM	71
Clr Phonebook	71
ERASE FFS	71
4. Repair information	73
Handling ESD-sensitive parts	73
Removal procedures	74
Covers	74
Extender cover removal	74
Front access cover removal	74
Left side cover removal	75
Rear cover removal	77
Upper right side cover removal	80
Lower right side cover removal	82
Top cover removal	83
Card cage removal	84
Controller card removal	85
Cover open sensor removal	87
Developer drive coupling assembly removal	88
Exit sensor removal (on the fuser)	89
Fan removal	90
Feed rollers (autocompensator tires) removal	91
Fuser removal	92
Fuser idle gear links removal	93
Fuser power cable removal	94
Input roller clutch and lever removal (autocompensator clutch)	95
Input sensor #1 removal	96
Input sensor #2 (manual feed) removal	97
LVPS/HVPS card assembly removal	98
LVPS/HVPS to controller card cable removal	99
Manual feed clutch assembly removal	100
Network card removal	101
Operator panel assembly removal	102
Paper exit guide assembly removal	103
Printhead removal	104
Transfer roll removal	105
Transport motor cable removal	106
Scanner ADF paper tray removal	107
Scanner ADF top assembly removal	108
Scanner ADF top cover removal	110
Scanner ADF separator pad removal	110
Scanner ADF pick roll assembly removal	111
Scanner ADF pick roll hinge removal	113
Scanner ADF assembly removal	114
Scanner ADF cable removal	117
Scanner flatbed cover removal	120
Scanner top removal	120
Scanner CCD assembly removal	121
Scanner base assembly removal	123
Modem card removal	126
Modem speaker assembly removal	127
5. Locations and connections	129
Locations	129
Front view	129
Rear view	129
ADF	130
Connections	131
Power supply board	131
Power supply board connections	131
Controller card	132
Controller card connections	133
Modem card	134
Wiring diagram	135
Controller card pin assignments	136
J3 ADF	136
J 69 Modem	137
J5 Operator panel	138
J1 Flatbed motor	139
J4 CCD module	140
6. Preventive maintenance	141
Printer engine	141
Scanner	141
Parts	143
How to use this parts catalog	143
Assembly 1: Covers	144
Assembly 2: Scanner	146
Assembly 2 (continued): Scanner	148
Assembly 3: Electronics	149
Assembly 4: Frame	151
Assembly 5: Miscellaneous	153
Index	155
Part number index	159

Match case Limit results 1 per page

I-2

Service Manual

7003-XXX

service error codes

2-7

sub errors

2-14

user attendance messages

2-10

ESD-sensitive parts

4-1

exit sensor

removal

4-17

extender cover

removal

4-2

fan

removal

4-18

Fax specifications

1-6

Flatbed cover

removal

4-48

fonts

1-2

frame, parts catalog

7-10

front access cover

removal

4-2

fuser

removal

4-20

service check

2-23

fuser idle gear links

removal

4-21

fuser power cable

removal

4-22

general information

1-1

handling ESD-sensitive parts

4-1

Input roller clutch and lever

removal

4-23

Input sensor #1

removal

4-24

input sensor #2(manual feed)

removal

4-25

Job setup buttons

2-4

left side cover

removal

4-3

locations

5-1

ADF

5-2

controller card

5-4

controller card connections

5-5

controller card pin assignments

5-8

front view

5-1

modem card

5-6

power supply board

5-3

power supply board connections

5-3

rear view

5-1

wiring diagram

5-7

Lower right side cover

removal

4-10

LVPS/HVPS card assembly

removal

4-26

LVPS?HVPS to controller card cable

removal

4-27

maintenance approach

1-1

manual feed

clutch assembly

4-28

input sensor #2

4-25

print media types and sizes

1-4

manual feed clutch

removal

4-28

Media trays and supply capacity

1-3

memory

1-1

Menu button

2-5

menus

printing

3-1

X340/X342n

diagnostics menu

3-2

messages

paper jam messages

2-9

service error codes

2-7

user attendance messages

2-10

MFP specifications

1-1

connectivity and compatibility

1-2

fonts

1-2

memory

1-1

minimum clearance requirements

1-1

print speed

1-1

trays and supply capacities

1-3

types of print media

1-4

mfp symptoms

2-2

minimum clearance requirements

1-1

Mode selection

2-4

modem card

removal

4-54

modem speaker assembly

removal

4-55

Multi-purpose job setup buttons

2-5

Navigation keys

2-5

operator panel

buttons

2-4

service check

2-27

operator panel assembly

removal

4-30

paper exit guide assembly

removal

4-31

paper jams

2-9

tips on preventing

1-6

parts catalog

covers

7-2

covers

7-3

electronics

7-8

electronics

7-9

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