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Make/Model Information:

  • Brand:   Xerox
  • Models included:
    • Xerox Phaser 7300

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   277
  • File size:  ∼ 8.81  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMXX-1031

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Service
Manual
Phaser
Color Printer 7300
Contents xi
Table of Contents
General Information 1 - 1
The Phaser 7300 Color Printer Overview
Phaser 7300 Printer Configurations
Printer Memory and RAM Capabilities
Parts of the Printer
Print Engine Base Configuration
Printer Options - Lower Tray Deck (LTD) and
Lower Tray Assembly (LTA)
Printer Options (cont’d) - Duplex Unit
Front Panel Configuration
Front Panel LED indicators:
Image Processor (IP) Board Components
Rear Panel Configuration of the IP Board
DIP Switches
Printer Specifications
Physical Dimensions - Print Engine
Physical Dimensions - Options
Printer Clearances
Functional Specifications
Print Speeds
Electrical Specifications
Environmental Specifications
Media and Tray Specifications
Error Messages and Codes 2 - 19
Accessing Error Codes and Fault History
Error Messages and Codes Index
Service Flowchart
Using the Troubleshooting Procedures
General Notes on Troubleshooting
Service Diagnostics
Enter without rebooting the printer (Hidden Service Menu):
Enter by rebooting the printer:
Service Diagnostics Key Press and Function Table
Service Diagnostics Tests and Functions Table
Error Messages and Codes Procedures
xii Phaser 7300 Color Printer Service Manual
Troubleshooting 3 - 67
System Boot Sequence
Power On Self Test (POST)
Printer Malefactions or Inoperable Printer Problems
Verifying Power Supply Operation
Measuring Power Supply Voltages
POWER Connector Pinout
Safety interlocks
The +5 VDC Loop
To verify the +5 volt loop is complete:
Fuser Roller Resistances
Multi-Sheet Pick
Media Skewing
Operating System and Application Problems
Network Problems
Print-Quality Problems
Test Prints, Adjustments, and NVRAM Resets 4 - 111
Test Print Samples
Automatic Density Control (ADC) Calibration Procedure
Automatic Thickness Sensor (ATS) Calibration Procedure
Color Calibration
Margin Calibration
Resetting NVRAM
Cleaning and Maintenance 5 - 125
Recommended tools
Periodically Replaced Parts
Service Preventive Maintenance Procedures
Cleaning the LED Lens
Cleaning the Pick and Feed Rollers
Cleaning the ADC Sensor
Cleaning the Registration Sensor
Cleaning the Contacts
FRU Disassembly 6 - 129
Orientation of the Printer
General Notes on Disassembly
Preparation
Work Notes
Notations in the Disassembly Text
About Screw Colors
Disassembly Procedures
Contents xiii
Field Replaceable Units (FRU) Parts List 7 - 193
Using the parts list
PL 1.0 - Covers
PL 2.0 - MPT Pick Assembly
PL 3.0 - Printer Control Components Boards
PL 4.0 - Top Cover Inner Frame
PL 5.1 - Printer Unit Chassis (1 of 2)
PL 5.2 - Printer Unit Chassis (2 of 2) and Power Supplies
PL 6.1 - Paper Tray 1
PL 6.2 - Lower Tray Deck & Lower Tray Assembly (Trays 2, 3, 4, 5)
Supplies and Accessories
Manuals and CD’s
Customer Replaceable Consumables
Paper and Media
Theory of Operation 8 - 219
Mechanical Process of the Printer
Summary of the Printing Process
Summary of the Paper Path
Paper Fed from Tray 1
Paper Fed from Optional Trays
Paper Fed from the Multi-Purpose Tray
Transfer Unit
Imaging Unit Up/Down Movement
Transfer Unit Arm and Gear Up/Down Movement of the Imaging Units .8 - 232
Fuser and Paper Exit
Duplex Unit
Paper Jam Detection
Paper Size Sensing
Fuser Temperature Settings
Cover Open Detection
Toner Detection
Color Registration Detection
Customer Replaceable Consumable Detection
Customer Replaceable Consumable (CRC) Life Counter Behavior
Printer Components
Engine Controller Board Connectors
Sensors
Clutches, Motors and Solenoids
Wiring Diagrams 10 - 251
xiv Phaser 7300 Color Printer Service Manual
General Information 1 - 1
General Information
The Xerox Phaser® 7300 Color Printer Service Manual is the primary document used
for repairing, maintaining, and troubleshooting the printer.
To ensure a complete understanding of the product, Xerox recommends participation
in Phaser 7300 printer service training.
Contents
The Phaser 7300 Color Printer Overview
Phaser 7300 Printer Configurations
Secure Prints, Proof Prints, Saved Prints and PDF Direct Printing
Power Saver Mode
Printer Memory and RAM Capabilities
Parts of the Printer
Print Engine Base Configuration
Printer Options - Lower Tray Deck (LTD) and Lower Tray Assembly (LTA)
Printer Options (cont’d) - Duplex Unit
Front Panel Configuration
Front Panel LED indicators:
Image Processor (IP) Board Components
Rear Panel Configuration of the IP Board
DIP Switches
Printer Specifications
Physical Dimensions - Print Engine
Physical Dimensions - Options
Printer Clearances
Functional Specifications
Print Speeds
Electrical Specifications
Environmental Specifications
Media and Tray Specifications
Troubleshooting 3-67
Troubleshooting
This section is for troubleshooting electrical, print-quality, media jams and paper path
problems not associated with an error message or code. For information on
troubleshooting error codes and messages, see “Error Messages and Codes” on
page 2-19.
Contents
System Boot Sequence
Power On Self Test (POST)
Printer Malfunctions or Inoperable Printer Problems
Verifying Power Supply Operation
Measuring Power Supply Voltages
POWER Connector Pinout
Safety interlocks
The +5 VDC Loop
Fuser Roller Resistances
Multi-Sheet Pick
Media Skewing
Operating System and Application Problems
Network Problems
Print-Quality Problems
Repeating Defects Identification Chart
Light Prints in All Colors
Light Prints in Only One Color
Blank Prints
Mottled or Splotchy Prints
Unexpected Colors
Background Contamination
Toner on Back of Print
Repeating (Defects) Bands, Lines, Marks or Spots
Repeating Defects Identification Chart
Example of Scan Direction Banding
Random Bands, Lines, Marks or Spots
Random “missing” spots
Random Spotting
Residual Imaging or Ghosting
Cold Offset - Unfused Image or Image Easily Rubs off the Paper
Color Mis-Registration
Image is Not Centered or Positioned Correctly on the Paper
Missing Bands, Voids or Streaks in a Single Color or All Colors
Parallel to the Leading Edge of the Paper (Scan Direction)
Missing Bands, Voids or Streaks in a Single Color or All Colors
in the Direction of Paper Travel (Process Direction)
Dark Streaks in a Single Color or All colors Parallel to the Leading Edge of the Paper
Dark Streaks in a Single Color or All Colors in the Direction of Paper Travel
FRU Disassembly 6-129
FRU Disassembly
This section contains the removal and replacement procedures for selected parts of
the printer according to the Field Replaceable Units (FRUs) Parts List. Not all
Replacement Procedures are included in this Service Manual. In most cases, to
reinstall a part, simply reverse the Removal Procedure shown. In some instances, the
Replacement Procedure is included, because it may contain special steps. For specific
assemblies and parts, refer to the "Field Replaceable Units (FRU) Parts List" on
page 7-193.
Contents
Orientation of the Printer
Top Cover (PL 1.1)
Front Panel (PL 4.1) and Front Panel Harness (PL 4.2)
Rear Cover (PL 1.14)
Front Cover (PL 1.9)
Side Output Tray (PL 1.3) and Links (PL 1.2)
Left Side Cover (PL 1.4)
Right Side Cover (Door A) (PL 1.19)
Multi-Purpose Tray (MPT) Pick Assembly (PL 2.0)
Drive Gear (PL 2.3)
Multi-Purpose Tray Sensors (PL 2.0)
Temperature/Humidity Sensor Board (PL 1.22)
Image Processor Board (IP) (PL 3.6)
Rear Shield Plate (PL 3.1)
Electrical Card Cage (PL 3.10) and Electrical Cage Fan (PL 3.9)
Print Engine Controller Board (PL 3.8)
Top Cover Inner Frame (PL 4.16)
Toner Sensor Board (PL 4.19)
Toner Cartridge Sensor Actuators (PL 4.18)
Duplex Unit Assembly (PL 1.15)
Front Chassis Fan (PL 5.2.4)
Printer Unit Chassis (PL 5.1.14)
Rear Power Supply Fan (PL 5.1.31)
Entrance Sensor Board (PL 5.1.17)
Front Plate Assembly (PL 5.2.3)
High Voltage Power Supply (PL 5.2.9)
Low Voltage Power Supply (PL 5.2.12)
Tray 1 Pick and Feed Rollers (PL 61.2)
Paper Size Sensor Board (PL 6.1.1)
Main Feeder Assembly (PL 6.1.6)
Registration Entrance Sensor Actuator (B) (PL 5.1.15)
MPT Entrance Sensor Actuator (A) (PL 5.1.19) and
Transfer Belt Entrance Sensor Actuator (PL 5.1.18)
Top/Side Output Solenoid (PL 5.1.6) and Duplex Gate Solenoid (PL 5.1.8)
Registration Clutch (PL 5.1.20)
6-130 Phaser 7300 Color Printer Service Manual
Registration Motor Assembly (PL 5.1.21)
Auto Thickness Sensor (ATS) -
Pickup Cover Assembly (PL 5.1.25) and
Pickup Plate Assembly (PL 5.1.24)
ATS Anvil (not spared, part of Registration Roller A)
Registration Roller Assembly A (PL 5.1.22) and Drive Gear (PL 5.1.26)
Registration Roller Assembly B (PL 5.1.16)
Duplex Guide Assembly (PL 5.1.2)
Fuser Latching Handle (Front) (PL 5.1.4)
Fuser Latching Handle (Rear) (PL 5.2.1)
Fuser Exit Roller (PL 5.1.1)
Fuser Exit Sensor Assembly (PL 5.1.3)
Eject Guide Assembly (PL 4.8)
Stack Full Sensor (PL 4.5) and Actuator (PL 4.4)
Back Plate Assembly w/Drive Gears (PL 5.2.11) and
Imaging Unit Motors (PL 5.2.13)
Transfer Unit and Fuser Motor Assembly (PL 5.2.2)
Color Registration Plate Shutter (PL 5.1.11)
Color Registration Sensor Assembly (PL 5.1.10)
Color Registration Shutter Solenoid (PL 5.1.13)
LED Head 600 dpi (PL 4.9a) and LED Head Holder (PL 4.9b)
(Imaging Unit) Drum Contact Assembly (PL 5.1.27)
Field Replaceable Units (FRU) Parts List 7-193
Field Replaceable Units
(FRU) Parts List
This chapter provides a list of field replaceable units (FRU’s) for the printer.
Changes to Xerox parts are made to accommodate improved components as they
become available. It is important when ordering parts to include the following
information:
¦ Component part number.
¦ Printer serial number.
Using the parts list
¦ The numbers shown in each illustration correspond to the parts list number
for that illustration.
¦ The notation “with X~Y” following a part name indicates an assembly that
is made up of components X through Y. For example, “1 (with 2~4)”
means part 1 consists of part 2, part 3, and part 4.
¦ An asterisk * following a part name indicates the page contains a note about
this part.
¦ A notation “(part of item 1.1)” indicates that the part is included with parent
assembly Part 1.1 (PL1.0, line item 1).
¦ A part called out in an illustration with kit as the part number, indicates the
part is available in a kit and the part number is found in the Kit section of
the parts list.
Contents
Using the parts list
PL 1.0 - Covers
PL 2.0 - MPT Pick Assembly
PL 3.0 - Printer Control Components Boards
PL 4.0 - Top Cover Inner Frame
PL 5.1 - Printer Unit Chassis (1 of 2)
PL 5.2 - Printer Unit Chassis (2 of 2) and Power Supplies
PL 6.1 - Paper Tray 1
PL 6.2 - Lower Tray Deck & Lower Tray Assembly (Trays 2, 3, 4, 5)
Hardware Kit
Gear kit
Harness kit
Flag Kit
Supplies and Accessories


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