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Lexmark 4039 Service Manual - Page 123

System Board 16L, Connector

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4039-1XX System Board 16L Connector J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12 J13 J14 J16 J16 J17 J18 J19 Name DRAM SIMM DRAM SIMM Mirror Motor(Printhead)/ Fan Laser (Printhead)/ Hsync Operator Pane/Output Bin Sensor Duplex Font Card Hard Disk Option Envelope Feeder Magnet ROM SIMM (Printer microcode) ROM SIMM (flash memory option) INA Card Parallel and Serial Port 500 Sheet Option Paper Drive Motor Fuser HVPS Flex (Includes input and toner sensors and erase lamps on transfer roller) LVPS Paper Pick Magnet Connector Locations 109

Section	Page
Notices and Safety Information	9
Electronic Emission Notices	9
Federal Communications Commission (FCC) Statement	9
Industry Canada Compliance Statement	10
Avis de conformité aux normes d’Industrie Canada	10
The United Kingdom Telecommunications Act 1984	10
European Community (EC) Electromagnetic Compatibil...	11
German Statement of Acoustic Emissions	11
Safety Information	12
Sicherheitshinweise	12
Consignes de Sécurité	12
Norme di sicurezza	13
Pautas de Seguridad	13
Sikkerhedsoplysninger	13
Ozone Information	13
Preface	14
General Information	15
Models Covered in this Manual	15
Options	16
Maintenance Approach	17
Abbreviations	18
Unique Tools Required For Service	18
Diagnostic Information	19
4039 Diagnostics: Failures With Error Codes	19
Power-On Self Test (POST)	25
Symptom Table	26
Banding	27
Background	27
Black Page	29
Blank Page	30
Blurred or Fuzzy Print	31
Dead Machine	31
Duplex	32
Fan (927 Error)	33
Fuser Theory	34
Fuser: 920, 921, or 922 Error	34
Fuser: 923 Error	35
Honeycomb	35
Horizontal Void or Streak	36
LAN Problems	36
Light Print	36
Network Card 977 Errors	37
Network Wrap Tests	37
Output Bin Sensor	37
Operator Panel Problem	38
Paper Feed Problem, 500-Sheet Second Tray	39
Paper Feed, Base Printer	39
Paper Feed, Duplex Unit	40
Paper Feed Problem, Envelope+ Feeder/ 100-Sheet Au...	41
Printhead	41
Paper Size Sensing Problem	42
Regularly Spaced Marks	43
Residual Image	43
Random Marks	44
Skew, all edges	44
Skew, top and bottom only	44
Stalled (diamonds on display)	44
Vertical Void or Streak	45
Diagnostic Aids	46
Diagnostics Mode	46
Grouped Diagnostic Aids	47
Alphabetical List of Diagnostic Aids	48
Auto Clean	48
Auto Clean Delay	48
Auto Clean Frequency	48
Defaults	49
Developed Image Test	49
Disk Test/Clean	49
Duplex Feed 1 Test	50
Duplex Feed 2 Test	51
Envelope Enhance	52
Envelope Print Test	52
Error Log (“plus” machines only)	52
Fuser Temperature And WarmUp Time	53
Maintenance Kit Count	54
Memory Test	54
Operator Panel Tests	54
Page Count	55
Paper Feed Test	55
Permanent Page Count	56
Print Contrast (Transfer on “plus” machines)	56
Print Registration	56
Print Test Page	56
Print Tests	57
Quick Disk Test	58
Quick Test	58
Sensor Test	59
Network Connections and Checks	60
Wrap Tests	60
LAN Information	61
Serial Interface Option, 10P	61
Repair Information	65
Handling ESD-sensitive Parts	65
Adjustments	66
Envelope Restraint Spring On The Envelope+ Feeder	66
Paper Restraint Spring On The 100-sheet Auxiliary ...	66
Envelope Feeder Magnet And 100-sheet Auxiliary Fee...	67
Fuser Drive Gear Backlash	68
Fuser Solenoid	70
Paper Feed Magnet	71
Optional Paper Feed Magnet	72
Printhead Skew - Level 1	73
Printhead Skew - Level 2	74
Print Registration Adjustment	75
Removals	76
Covers	76
Right Cover Removal	76
Front Cover Removal	76
Left Cover Removal	78
Top Cover Removal	78
Transfer Roll Removal	80
D-roll Assembly Removal	81
Drive Motor Removal	82
Fan/Redrive Removal	84
Fuser Removal	86
Fuser Input Guide Removal	86
Fuser Lamp Removal	88
Fuser Solenoid Removal	89
Fuser Thermistor Removal	90
HVPS Removal	92
Input Sensor Removal	94
Lower Frame Assembly Removal	95
LVPS Removal	96
LVPS Cover Removal	97
Operator Panel Removal	98
Option Card Removal	98
Exit Sensor Removal	99
Paper Feed Magnet Assembly Removal	100
Paper Feed Rollers Removal	101
Paper Size Switch Removal	102
Printhead Removal	103
System Board Removal	104
System Cable Removal	106
Fuser/Sensor Cable Removal	106
Torquer Motor Removal (10P)	106
Toner Sensor Removal	107
Transfer Roll Housing Removal	108
Upper Frame Removal	109
Zif Connector Removal	110
Duplex Option Top Cover And Table Cover Removal	111
Duplex Option Exit Card And Cover Removal	112
Duplex Option Bottom Cover And Entry Sensor Card R...	112
Duplex Option System Card And Motor Removal	114
Connector Locations	115
Major Assembly Locations	115
Gear Train	116
HVPS	117
Transfer Roller Housing	118
System Cable	119
System Board Connectors 10R/12R/12L	120
System Board Connectors 16L	122
System Board Connectors 10P	124
Printhead Cables	126
Mirror Motor Cable/Fan Cable	127
Operator Panel/Output Bin Sensor Cable — Handle-Mo...	128
Operator Panel/Output Bin Sensor Cable — Redrive-M...	129
Printer Ground Straps	131
Preventive Maintenance	133
Safety Inspection Guide	133
Lubrication Specifications	134
Printhead Window Cleaning Procedure	136
Cleaning The Transfer Roller	136
Scheduled Mechanical Maintenance	137
Parts Catalog	138
How To Use This Parts Catalog	138