Xerox PHASER 6250 Manuals

14

Table of Contents

• • 3

    Phaser 6250
  • 5

    Manual Terms
  • 5

    Service Terms
  • 6

    Symbols Marked On the Product
  • 7

    Power Safety Precautions
  • 7

    Power Source
  • 8

    Electrostatic Discharge (ESD) Precautions
    • 9

      General Guidelines
  • 9

    Service Safety Summary
    • 10

      Servicing Electrical Components
    • 10

      Servicing Mechanical Components
  • 11

    Regulatory Specifications
    • 12

      Declaration of Conformity
    • 12

      In the European Union
    • 14

      Table of Contents

• 24

  General Information

  • 25

    Printer Introduction and Overview
  • 25

    Printer Configurations
    • 27

      Printer Memory and RAM Capabilities
  • 28

    Parts of the Printer
    • 28

      Exterior
  • 29

    Phaser 6250 Front Panel Configuration
    • 30

      Rear View
  • 31

    Image Processor Board
  • 32

    Routine Maintenance Items
  • 32

    Consumables
    • 33

      Consumable Life Counter Behavior
  • 34

    Printer Specifications
    • 34

      Physical Dimensions and Clearances
    • 35

      Functional Specifications
    • 36

      Electrical Specifications
    • 36

      Environmental Specifications
    • 37

      Media and Tray Specifications

• 40

  Theory of Operation

  • 41

    Overview of the Phaser 6250 Color Laser Printer Theory of Operation
    • 41

      Summary of the Printing Process
    • 44

      Print Modes
  • 44

    Printer Controls
    • 44

      Paper Size Control
    • 45

      Selective Control; Paper Pick
    • 45

      Laser Light Intensity Control
    • 45

      Process Control
    • 47

      LED Light Density CTD (ADC) Control of Sensor
    • 48

      Color Registration Control
    • 50

      Transfer Roller Assembly Control
    • 51

      Toner Control
    • 51

      Toner Low Sensor
    • 52

      Fuser Control
  • 53

    Paper Path of the Printer
    • 54

      Paper Path Route
  • 55

    Major Assemblies and Functions
    • 55

      Frame and Drive Assemblies
    • 56

      Main Drive Assembly - Transmission Route
    • 57

      Gear Layout - Print Engine and Tray 1
    • 58

      Paper Tray 2
    • 59

      Paper Feed - Tray 2
    • 64

      HCF Drive and Gears - Transmission Route
    • 65

      500-Sheet Feeder Drive and Gears - Transmission Route
    • 66

      Retard Housing Assembly
    • 67

      Chute Assembly in
    • 68

      Chute Assembly Out
    • 69

      Chute Assembly Exit
    • 70

      Duplex Motor Drive and Gear - Transmission Route
    • 71

      Chute Assembly Registration (REGI)
    • 72

      Transfer Roller and Fuser Assembly
    • 73

      Fuser Drive Assembly - Transmission Route
    • 74

      Xerographics
    • 75

      Imaging Unit Charge Voltage Contacts
    • 77

      Toner Cartridge Assembly
    • 78

      Toner Cartridge Assembly - Cont'D
    • 79

      Toner Motor Drive Assembly - Transmission Route
    • 79

      Developer Assembly Transmission Route
    • 81

      Ac Switch Harness Assembly

• 82

  Error Messages and Codes

  • 83

    Introduction
  • 84

    Servicing Instructions
    • 85

      Using the Troubleshooting Procedures
    • 85

      General Notes On Troubleshooting
    • 86

      Voltage Measurements
  • 87

    Service Diagnostics
    • 88

      Service Diagnostic Front Panel Button Descriptions
    • 89

      Diagnostic Menu Map
    • 90

      Service Diagnostic Tests
    • 92

      Error Messages and Codes
    • 97

      Jam History Error Codes Table
  • 97

    Front Panel Message
  • 97

    Help Text/Code
    • 98

      Error Messages and Codes Summary Table
  • 100

    Jam Errors
    • 100

      Jam at Fuser: Jam F
    • 102

      Jam at Duplex: Jam D
    • 104

      Jam at Registration Roller: Jam RR
    • 106

      Misfeed at Tray 1 (MPT): Jam T1
    • 109

      Misfeed at Tray 2: Jam T2
    • 112

      Misfeed at Tray 3: Jam T3
    • 115

      Misfeed at Tray 4: Jam T4

117

Door and Cover Errors

• • 117

    Close Front Door
  • 118

    Consumable Errors
  • 118

    Install or Reseat Imaging Unit
  • 119

    Replace Imaging Unit or Imaging Unit Is Near End of Life
  • 120

    Install or Reseat Transfer Roller
  • 121

    Replace Transfer Roller or Transfer Roller Is at End of Life
  • 122

    Install or Reseat Fuser
  • 123

    Replace Fuser or Fuser Is Near End of Life
  • 124

    Install or Lock [Y] [M] [C] [K] Toner Cartridge
  • 126

    Replace [Y] [M] [C] [K]Toner Cartridge or [Y] [M] [C] [K] Toner Is Low
  • 128

    Dusty Density Sensor
  • 129

    Output Tray Is Full, Unload Paper
    • 129

      Cycle Printer Power
    • 129

      If the Problem Persists, Follow the Procedure Below

• 130

  Troubleshooting Procedure Table

  • 130

    Actions and Questions
  • 130

    Remove Ribbon From [Y] [M] [C] [K] Toner Cartridge
  • 131

    Tray and Media Errors
    • 131

      Insert Tray [2] or Tray [2] Missing
    • 133

      Insert Tray [3] [4] or Tray [3] [4] Missing
    • 135

      Tray 2 Paper Is Low
    • 136

      Tray [3] [4] Paper Is Low
    • 137

      Out of Paper; Load Tray 1 (MPT) with [Size] [Type]
      • 137

        Check the Following for Evidence of Fault or Damage
    • 138

      Out of Paper; Load Tray [2] [3] [4] with [Size] [Type]
      • 138

        Board
    • 139

      Wrong Paper Size; Load Tray 2 with [Size] [Type]
      • 139

        Use Service Diagnostics to Test the

• 130

  Troubleshooting Reference Table

  • 130

    Applicable Parts

• 139

  Control Board

• 139

  Replace Engine

• 139

  Replace the Parts

  • 141

    Wrong Paper Size; Load Tray [3] [4] with [Size] [Type]
  • 143

    Wrong Paper Type; Load Tray [1 (MPT)] [2] [3] [4] with [Size] [Type]
  • 144

    Fatal Errors
    • 144

      Laser Failure
    • 145

      Density Sensor Failure
    • 146

      Fuser Failure
    • 147

      Fuser Failure (Cont'D)
    • 149

      Fuser Fan Failure
    • 150

      Rear Fan Failure

• 139

  Wiring and Plug/Jack Map References

• 139

  Yes

• 3

  Phaser 6250
• 5

  Service Terms
• 6

  Symbols Marked On the Product
• 7

  Power Safety Precautions
• 7

  Power Source
• 8

  Electrostatic Discharge (ESD) Precautions
• 9

  General Guidelines
• 9

  Service Safety Summary
  • 10

    Servicing Electrical Components
  • 10

    Servicing Mechanical Components
• 11

  Regulatory Specifications
  • 12

    Declaration of Conformity
  • 12

    In the European Union
  • 14

    Table of Contents

24

General Information

• 25

  Printer Introduction and Overview
• 25

  Printer Configurations
  • 27

    Printer Memory and RAM Capabilities
• 28

  Parts of the Printer
  • 28

    Exterior
• 29

  Phaser 6250 Front Panel Configuration
  • 29

    Led Indicators
  • 30

    Rear View
• 31

  Image Processor Board
• 32

  Routine Maintenance Items
• 32

  Consumables
  • 33

    Consumable Life Counter Behavior
• 34

  Printer Specifications
  • 34

    Physical Dimensions and Clearances
  • 35

    Functional Specifications
  • 36

    Electrical Specifications
  • 36

    Environmental Specifications
  • 37

    Media and Tray Specifications

40

Theory of Operation

• 41

  Overview of the Phaser 6250 Color Laser Printer Theory of Operation
  • 41

    Summary of the Printing Process
  • 44

    Print Modes
• 44

  Printer Controls
  • 44

    Paper Size Control
  • 45

    Selective Control; Paper Pick
  • 45

    Laser Light Intensity Control
  • 45

    Process Control
  • 46

    Toner Density Control
  • 47

    LED Light Density CTD (ADC) Control of Sensor
  • 48

    Color Registration Control
  • 50

    Transfer Roller Assembly Control
  • 51

    Toner Control
  • 52

    Fuser Control
• 53

  Paper Path of the Printer
  • 53

    Laser Beam
  • 53

    Paper Sensors
  • 54

    Optional Feeders
  • 54

    Paper Path Route
• 55

  Major Assemblies and Functions
  • 55

    Frame and Drive Assemblies
  • 56

    Main Drive Assembly - Transmission Route
  • 57

    Gear Layout - Print Engine and Tray 1
  • 58

    Paper Tray 2
  • 59

    Paper Feed - Tray 2
  • 64

    HCF Drive and Gears - Transmission Route
  • 65

    500-Sheet Feeder Drive and Gears - Transmission Route
  • 66

    Retard Housing Assembly
  • 67

    Chute Assembly in
  • 68

    Chute Assembly Out
  • 69

    Chute Assembly Exit
  • 70

    Duplex Motor Drive and Gear - Transmission Route
  • 71

    Chute Assembly Registration (REGI)
  • 72

    Transfer Roller and Fuser Assembly
  • 73

    Fuser Drive Assembly - Transmission Route
  • 74

    Xerographics
  • 75

    Imaging Unit Charge Voltage Contacts
  • 77

    Toner Cartridge Assembly
  • 78

    Toner Cartridge Assembly - Cont'D
  • 79

    Toner Motor Drive Assembly - Transmission Route
  • 79

    Developer Assembly Transmission Route

82

Error Messages and Codes

• 83

  Introduction
• 84

  Servicing Instructions
  • 85

    Using the Troubleshooting Procedures
  • 85

    General Notes On Troubleshooting
  • 86

    Voltage Measurements
• 87

  Service Diagnostics
  • 88

    Service Diagnostic Front Panel Button Descriptions
  • 89

    Diagnostic Menu Map
  • 90

    Service Diagnostic Tests
  • 97

    Jam History Error Codes Table
  • 98

    Error Messages and Codes Summary Table
• 100

  Jam Errors
  • 100

    Jam at Fuser: Jam F
  • 102

    Jam at Duplex: Jam D
  • 104

    Jam at Registration Roller: Jam RR
  • 106

    Misfeed at Tray 1 (MPT): Jam T1
  • 109

    Misfeed at Tray 2: Jam T2
  • 112

    Misfeed at Tray 3: Jam T3
  • 115

    Misfeed at Tray 4: Jam T4
• 117

  Door and Cover Errors
  • 117

    Close Front Door
• 118

  Consumable Errors
  • 118

    Install or Reseat Imaging Unit
  • 119

    Replace Imaging Unit or Imaging Unit Is Near End of Life
  • 120

    Install or Reseat Transfer Roller
  • 121

    Replace Transfer Roller or Transfer Roller Is at End of Life
  • 122

    Install or Reseat Fuser
  • 123

    Replace Fuser or Fuser Is Near End of Life
  • 124

    Install or Lock [Y] [M] [C] [K] Toner Cartridge
  • 126

    Replace [Y] [M] [C] [K]Toner Cartridge or [Y] [M] [C] [K] Toner Is Low
  • 128

    Dusty Density Sensor
  • 129

    Output Tray Is Full, Unload Paper
  • 130

    Remove Ribbon From [Y] [M] [C] [K] Toner Cartridge
• 131

  Tray and Media Errors
  • 131

    Insert Tray [2] or Tray [2] Missing
  • 133

    Insert Tray [3] [4] or Tray [3] [4] Missing
  • 135

    Tray 2 Paper Is Low
  • 136

    Tray [3] [4] Paper Is Low
  • 137

    Out of Paper; Load Tray 1 (MPT) with [Size] [Type]
  • 138

    Out of Paper; Load Tray [2] [3] [4] with [Size] [Type]
  • 139

    Wrong Paper Size; Load Tray 2 with [Size] [Type]
  • 141

    Wrong Paper Size; Load Tray [3] [4] with [Size] [Type]
  • 143

    Wrong Paper Type; Load Tray [1 (MPT)] [2] [3] [4] with [Size] [Type]
• 144

  Fatal Errors
  • 144

    Laser Failure
  • 145

    Density Sensor Failure
  • 146

    Fuser Failure
  • 147

    Fuser Failure (Cont'D)
  • 149

    Fuser Fan Failure
  • 150

    Rear Fan Failure
  • 151

    Generic Fan Failure
  • 152

    Engine Firmware Failure
  • 153

    Imaging Unit Firmware Failure
  • 154

    Fuser Firmware Failure
  • 155

    Controller to Engine Communications Failure
  • 156

    Engine NVRAM Error
  • 157

    Replace [Y] [M] [C] [K] Toner Cartridge
  • 158

    [Y] [M] [C] [K] Toner Cartridge Failure
  • 159

    Non-Phaser 6250 Fuser
  • 160

    Non-Phaser 6250 Imaging Unit
  • 161

    Environmental Sensor Failure

162

General Troubleshooting

• 163

  Introduction
  • 163

    Printer Status Page
  • 163

    Power-Up Modes
• 164

  System Start-Up and POST
  • 164

    System Boot Sequence
  • 165

    Power On Self Test (POST)
  • 167

    POST Faults
  • 167

    Fault Reporting Devices
  • 167

    LED Blink Patterns
  • 168

    POST Diagnostic Test Descriptions
• 169

  Front Panel Troubleshooting
  • 169

    No Front Panel Display After Power Is Turned ON
  • 169

    Front Panel LED Is On, Front Panel Display Is Blank
  • 169

    Front Panel Continually Displays "Warming Up
  • 169

    Front Panel Continually Displays "Install or Reseat Imaging Unit
• 170

  Fault Isolation
• 170

  Inoperable Printer Troubleshooting
  • 170

    Engine Power-Up Sequence
  • 170

    Printer Does Not Come to a "Ready" State
• 171

  Paper Size Switch Assembly
• 171

  Power Supply
• 172

  AC Power Supply Troubleshooting
• 173

  DC Power Supply Troubleshooting
• 175

  Media Jams and the Paper Path
  • 176

    Skewed Image
  • 176

    Damaged Prints
  • 176

    Fuser Jams
• 178

  Operating System and Application Problems
  • 178

    Macintosh Printing Problems
  • 180

    Windows Printing Problems
• 180

  Network Problems

182

Print-Quality Troubleshooting

• 183

  Print-Quality Problems Overview
  • 184

    Defects Associated with Specific Printer Components
• 185

  Front Panel Test Prints
  • 185

    Test Print 1: CMYK Sample Page
  • 186

    Test Print 2: RGB Test Print
• 187

  Service Test Prints
  • 187

    Test Print 3: Test Pattern Sample
  • 189

    600 X 600 Service Test Print
• 190

  Print Engine Test Print
• 191

  Print-Quality Troubleshooting
  • 191

    Light Prints
  • 192

    Light Print in Only One Color
  • 194

    Blank Prints
  • 195

    Black Prints with White Margin Border
  • 196

    Solid Dark or Dirty Prints, No Border
  • 197

    Missing Band, Voids or Streaks in a Single Color or All Colors Parallel to the Leading Edge
  • 199

    Missing Band, Voids or Streaks in a Single Color or All Colors in Direction of Paper Travel
  • 200

    Repeating And/Or Random Spots
  • 201

    Background Contamination
  • 203

    Residual Image, Ghosting or Hot Offset
  • 204

    Incomplete Fusing or Cold Offset
  • 205

    Mis-Registration, Color Layer Not Correctly Registered in the Process Direction
  • 206

    Dirty Vertical Streaks On the Edges of the Page

208

Adjustments and Calibrations

• 209

  Color Calibration
• 209

  Margin Calibration
• 210

  Adjustments
  • 210

    Horizontal and Vertical Color Registration
• 211

  Resetting NVRAM
  • 211

    Postscript NVRAM Resets
• 215

  Service Diagnostics Postscript NVRAM Resets

216

Cleaning and Maintenance

• 217

  Service Preventive Maintenance Procedure
• 217

  Cleaning