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Repair information, Open the front access door, and remove the lower paper guide

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7. Open the front access door, and remove the lower paper guide. 7014-xxx Repair information 4-59

Section	Page
Table of contents	3
Notices and safety information	11
Laser notice	11
Preface	20
Change history	20
1. General information	23
Maintenance approach	23
Print engine specifications	24
Memory	24
Print quality settings	24
Environment	25
Dimensions	25
Connectivity and compatibility	25
Media trays and supply capacity	26
Types of print media	27
Media guidelines	28
Digital imaging specifications	31
General specifications	31
Scan and copy specific specifications	33
Fax specifications	34
Tools	35
Acronyms	36
2. Diagnostics information	39
Start	39
Symptom tables	40
POST symptom table	40
Printer symptom table	41
Scan / fax / copy symptom table	42
Overview of the operator panel and menus	43
Understanding the home screen	45
Using the touch-screen buttons	47
Sample touch screen	47
Other touch-screen buttons	48
Diagram of the printer menus	50
Messages and error codes	51
User attendance messages	51
Cartridge error messages	58
Paper jam error codes (200-series)	58
Service error codes	64
Fax error codes	69
Service checks	73
Controller board service check	73
Engine board service check	74
Cooling fan service check	75
Cover interlock switch service check	75
Dead machine service check	76
Fuser service check	77
LVPS/HVPS service check	77
Main motor service check	78
Media feed clutch service check	78
Networking service check	79
Operator panel service check	81
Paper feed service checks	81
Option card service check	84
USB port service check	84
Print quality service checks	85
Printhead service check	92
Transfer roll service check	92
Tray 2 service check	93
840.xx service check	93
Black or blank page copy service check	95
CCD service check	95
Flatbed motor service check	95
Flatbed home position service check	96
ADF cover open service check	97
ADF streak service check	97
ADF paper jam service check	98
ADF feed errors service check	98
ADF Duplex service check	100
Modem / fax card service check	101
Fax transmission service check	102
Fax reception service check	104
Escalating a fax issue to second-level support	106
3. Diagnostic aids	107
Accessing service menus	107
Configuration menu (CONFIG MENU)	108
Available menus	108
Maintenance Count Value (Maint Cnt Value)	109
Reset Maintenance Counter	109
Reset Photoconductor Maintenance Counter (Reset PC Cnt)	110
USB Scan to Local	110
Print Quality Pages	110
Panel Menus	110
PPDS Emulation	111
Download Emuls	111
Factory Defaults	112
Energy Conserve	112
Min Copy Memory	112
Num Pad Job Assist	113
Format Fax Storage	113
Fax Storage Location	113
ADF Edge Erase	113
FB Edge Erase	113
Scanner Manual Registration	114
Disable Scanner	115
Paper Prompts	115
Envelope Prompts	115
Action For Prompts	115
Jobs on Disk	116
Disk Encryptyion	116
Wipe Disk	119
Font Sharpening	120
Require Standby	120
LES Applications	121
Key Repeat Initial Delay	121
Key Repeat Rate	121
Wiper Message	121
Clear Custom Status	122
USB Speed	122
USB PnP	122
Exit Configuration Menu (Exit Config Menu)	122
Diagnostics menu	123
Entering Diagnostics menu	123
Registration (printer)	124
Print Tests	126
Hardware Tests	127
Duplex Tests	130
Input Tray Tests	132
Output bin tests	133
Base Sensor Test	134
DEVICE TESTS	134
PRINTER SETUP	135
EP SETUP	137
Reports	138
EVENT LOG	138
Scanner Tests	140
Exit Diagnostics	143
Printhead assembly electronic adjustment	144
Printhead assembly mechanical adjustment	145
SE Menu	147
Paper jams	148
Avoiding jams	148
Understanding jam numbers and locations	149
Jam messages and their locations	150
4. Repair information	163
Handling ESD-sensitive parts	163
Removal procedures	164
ACM pick tire roller removal	165
Card reader removal	167
Upper and lower card reader cover removal	168
Card reader cable removal	169
Controller board removal	170
Controller board shield	173
Controller board cage	176
Controller board fan	176
Engine board removal	177
Cover open sensor	178
Door mount removal	179
Duplex removal	181
Duplex/main motor gear drive interface removal	183
Fan removal	186
Front access door removal	187
Fuser removal	190
Scanner front cover removal	193
Left side cover removal	195
Front door access cover removal	196
Lower front cover removal	197
LVPS/HVPS removal	199
Main motor gear drive removal	202
Manual feed clutch removal	204
Manual feed solenoid removal	206
Media ACM ASM feeder removal	209
Media feed clutch removal	212
Media manual input sensor	216
Multipurpose feeder removal	219
Multipurpose feeder (MPF) feed clutch removal	222
Nameplate cover removal	225
Operator panel keypad removal	226
Operator panel display removal	227
Display bezel	228
UICC cable removal	229
USB cable mount bracket removal	230
Operator panel support removal	230
Display rotation support removal	231
Left rear frame assembly removal	232
Right rear frame assembly removal	233
Tub assembly removal	234
Paper input and duplex sensor assembly removal	235
Printhead removal	236
Mid rear cover removal	238
Rear door and lower rear cover removal	239
Rear exit guide assembly with sensor and reversing solenoid removal	240
Right side cover removal	242
Toner level sensor removal	244
Top cover assembly removal	245
Transfer roll removal	246
Upper front guide assembly removal	247
Wear strip (tray 1 and 250-sheet tray 2) removal	248
Wear strip (550-sheet tray 2) removal	249
Imaging component removals	250
ADF unit removal	250
Flatbed removal	251
Scanner assembly removal	253
ADF separator pad	260
ADF separator roll assembly	261
Kickstand removal	262
Output bin LED and lens removal	263
ADF cable removal	264
Left scanner cover removal	265
Right scanner cover removal	266
Option board installs and removals	267
Lifting the Scanner to the up position	267
Installing an Internal Solutions Port (ISP)	268
Printer hard disk removal	271
Printer hard disk installation on an ISP	272
Printer hard disk installation directly on the controller board	274
Fax card installation	275
5. Locations and connections	279
Locations	279
Front view	279
Rear view	280
Print engine paperpath	281
Main boards	282
Lexmark X46x series controller board	282
Lexmark X46x series engine board	283
Lexmark X46x controller and engine board connector pin values	284
6. Preventive maintenance	287
Safety inspection guide	287
Lubrication specifications	287
Scanner glass cleaning	287
Maintenance kits	287
7. Parts Catalog	289
How to use this parts catalog	289
Assembly 1: Covers	290
Assembly 2: Imaging	292
Assembly 3: Tray assemblies	294
Assembly 4: Electronics 2	296
Assembly 5: Frame	298
Assembly 6: Options	300
Assembly 7: Power cords	301
Index	303

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Repair information

4-59

7014-xxx

Open the front access door, and remove the lower paper guide.