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Xerox 3450B Service Manual - Page 50

Accessing Fault History, Error Messages and Codes

UPC - 095205120011

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When an error first occurs, record the error message and code then cycle power to the printer to see if the error recurs. Fault History can be accessed one of two ways: Accessing Fault History 1. View the printer's fault history on the front panel. a. Go to Troubleshooting --> Service Tools --> Fault History or Jam History. Or... 2. If the printer is connected to a network and has a TCP/IP address, view the printer's web page using a web browser. a. Open a web browser. b. Enter the printer's IP address as the URL. c. Select the Troubleshoot link and the fault history will be displayed. Error Messages and Codes 3-3

Section	Page
Cover Page	1
Service Terms	4
Symbols Marked on the Product	5
Power Safety Precautions	6
Electrostatic Discharge (ESD) Precautions	7
Service Safety Summary	8
Regulatory Specifications	10
Contents	14
General Information	20
Printer Introduction and Overview	21
Printer Configurations	22
Parts of the Printer	23
Exterior	23
Phaser 3450 Front Panel Configuration	24
Phaser 3450 Laser Printer Rear View	25
Main Board	26
Service Parts	27
Consumables	28
Supply Life Counter Behavior	29
Printer Specifications	30
Physical Dimensions and Clearances	30
Functional Specifications	31
Electrical Specifications	31
Environmental Specifications	32
Duplex Printing Media Sizes	32
Media and Tray Specifications	33
Theory of Operation	34
Overview of the Phaser 3450 Laser Printer	35
Summary of the Printing Process	35
Print Modes	36
Printer Controls	37
Paper Size Control	37
Selective Control; Paper Pick	37
Laser Light Intensity Control	38
Process Control	38
Toner Control	38
Fuser Control	38
Paper Path of the Printer	39
Duplex Paper Path	39
Major Assemblies and Functions	40
Main Board	40
Print Cartridge	43
Laser Scan Unit (LSU)	43
Transfer Roller	44
Fuser Assembly	44
Paper Feed Drive	44
Paper Out Sensor	44
Paper Feed Sequence	45
Registration Sensor	45
Paper Transport	45
Fuser Exit Sensor	46
Duplex Unit	46
Error Messages and Codes	48
Introduction	49
Servicing Instructions	51
Using the Troubleshooting Procedures	52
General Notes on Troubleshooting	53
Voltage Measurements	54
Service Diagnostics	55
Service Diagnostic Front Panel Button Descriptions	56
Service Diagnostics Menu Map	56
Error Messages and Codes Summary Table	60
Fuser Failure/Low Heat/or Overheat/ 0x56/ 0x57/0x58	61
LSU Error or 0x5A	62
Jam At Tray [1] [2] [3] or 0x01	63
Jam At Top(0x02) or Jam At Exit (0x03)	64
Jam At Duplex (0x04) or Jam At Tray (0x05)	65
Output Tray Is Full or 0x44	66
Replace Print Cartridge (0x53) or Invalid Print Cartridge (0x55)	67
General Troubleshooting	68
Introduction	69
Preliminary Procedures	69
Front Panel Troubleshooting	70
No Front Panel Display after Power is Turned ON	70
Front Panel LED is On, Front Panel Display is Blank	70
Front Panel Continually Displays “Close Cover or Check Cartridge”	70
Front Panel Continually Displays “No Paper in Tray [x]”	70
Front Panel Continually Displays “Output Tray Is Full”	71
Paper Size Switch Assembly	71
Power Supply Troubleshooting	72
Media Jams and the Paper Path	73
Media-based Problems	73
Paper Mis-feed from Tray 1 (MPT)	73
Paper Mis-feed from Tray 2	74
Paper Mis-feed from Tray 3 (Optional Feeder)	75
Jam At Tray [1] [2] [3] (Jam 0)	76
Jam At Top (Jam 1)	77
Jam At Exit (Jam 2)	78
Jam At Duplex (Duplex Jam 1)	79
Jam At Tray/Remove Tray 2 (Duplex Jam 2)	80
CRUM Toner Error	81
Print-Quality Troubleshooting	82
Print-Quality Problems Overview	83
Defects Associated with Specific Printer Components	83
Front Panel Test Print	84
Deletions	85
Fusing	86
Resolution	86
Registration and Skew	87
Skips or Smears	87
Print-Quality Troubleshooting	88
Adjustments and Calibrations	92
Margin Calibration	93
Resetting NVRAM	93
Cleaning and Maintenance	94
Service Preventive Maintenance Procedure	95
Recommended Tools	95
Cleaning	95
Printing a Cleaning Sheet	96
Service Parts Disassembly	98
Overview	99
Standard Orientation of the Printer	99
General Notes on Disassembly	100
Preparation	100
Removing Service Parts and Consumables	101
Print Cartridge Removal (PL 9.1.8)	101
Transfer Roller Removal (PL 9.1.23)	101
Fuser Removal PL 9.3.40)	102
Print Engine Disassembly	104
Right Cover Assembly (PL 9.2.2)	104
Left Cover Assembly (PL 9.2.4)	105
Top Cover Assembly (PL 9.2.1)	106
Tray 1 Cover Assembly (PL 9.1.2)	107
Retard Assembly (PL 9.3.7)	109
Front (Inner) Cover (PL 9.2.5)	109
Tray 1 Lift Plate (PL 9.1.3)	110
Rear Cover Assembly (PL 9.2.3)	111
Front Panel Assembly (PL 9.2.1.8)	112
Cover Open Interlock Switch (PL 9.2.1.16)	113
NIC Board (PL 9.1.41)	114
Main Board (PL 9.1.10)	115
Main Drive Assembly (PL 9.1.11)	116
Tray 2 Solenoid (PL 9.1.28)	118
Tray 2 No Paper Sensor (PL 9.3.44)	118
Paper Size Sensor (PL 9.3.36)	119
Exit Motor Drive Assembly (PL 9.1.20)	119
Main Fan Assembly (PL 9.1.19)	120
Sub Fan Assembly (PL 9.3.35)	121
Exit Roller Assembly (PL 9.3.21) Transport Roller Assembly (PL9.3.24)	122
Laser Assembly (PL 9.1.16)	124
Print Cartridge Interconnect Assembly (PL 9.3.53)	126
Registration Transport Assembly (PL 9.1.9)	127
Registration Sensor (PL 9.7.10)	128
Tray 1 Feed Roller Assembly (PL 9.3.2)	128
Tray 1 Pick Roller (PL 9.3.2.4)	132
Tray 2 Retard Assembly (PL 9.3.7)	133
Tray 2 Paper Pick Assembly (PL 9.3.67)	133
Tray 2 Pick Roller (PL 9.3.67.3)	138
Power Supply Board (PL 9.1.13)	139
Duplex Assembly (PL 8.8.2)	142
Exit Sensor (PL 9.3.62)	142
Parts Lists	144
Serial Number Format	145
Using the Parts List	146
Print Engine Parts	147
Main Unit	147
Covers	150
Frame 1 Assembly	152
Frame 2 Assembly	155
Fuser Assembly	158
Main Drive Motor Assembly	159
Exit Drive Motor Assembly	160
Registration Transport Assy	161
Power Supply/Duplex Assembly	163
Paper Tray	164
Optional Lower Feeder Assembly	165
Xerox Supplies	168
Wiring Diagrams	170
Print Engine Interconnect Diagram	171
Map 1 Main Board	172
Map 2 Connector Board	173
Connection Diagram	174