Document Outline

• General Description
  • Introduction
  • Overview
    • Related Publications
  • Electrostatic Discharge (ESD) Sensitivity
  • Warnings, Cautions and Notes
  • Printer Specifications
  • Contents of this Service Manual
  • Technical Support
• Theory of Operation
  • Introduction
  • NovaJet 500/630/700 Printers General Block Diagram
  • Paper (Media) Axis Drive
  • The Carriage Axis Drive
  • Media Feed and Take-Up System
  • Main Printed Wiring Assembly (MPWA)
    • Microprocessor
    • Gate Array
    • Memory Circuits
      • Flash EEPROM
      • DRAM
      • Serial EEPROM
    • Stepper Motor Controller
    • Servo Motor Controller
    • Interface Circuits: Serial & Parallel
  • Carriage Assembly Circuits
  • Control Panel
  • Power Supply
  • Beeper and Fans
• Maintenance
  • Introduction
  • Scheduled Maintenance
    • Cleaning Procedures
      • External Cleaning
      • Service Station Cleaning
      • Slide Shaft Cleaning
      • Linear Encoder Strip Cleaning
      • Cartridge Jet Area & Dimples Cleaning
      • Flex Cable Contact Cleaning
      • Clean and Inspect Stepper Motor Gears
      • Clean and Inspect MPWA
      • Clean and Inspect Carriage Assembly
    • Reseat Connectors on MPWA and Carriage Board
    • Replace Carriage Bushings
  • Servo Motor Winding Resistance Check
  • Stepper Motor Winding Resistance Check
  • Power Feed and Take-Up Motor Winding Resistance Check
  • Banding: Hardware vs Software
    • Common Banding Causes
  • Alignments/Adjustments
    • Slide Shaft Profile Adjustment
    • Head Height Alignment Procedure
    • Color Calibration
    • Deadband Alignments
      • Deadband Alignment (for 500 Series)
      • Color Deadband Alignment (for 630/700 Series)
    • Paper Axis Calibration
  • Diagnostics Menu
  • Limited Access Menu
  • Firmware Download/Upgrading for the PC
  • Firmware Download/Upgrading for the MAC
  • Internal Cabling and Signal Flow Diagrams
• Troubleshooting
  • Introduction
    • No Power
    • Initialization Failure
    • Media Does Not Move
    • Internal ERROR “Carriage Axis Failure”
    • Internal ERROR “Encoder Sensor Failure”
    • Internal ERROR “Paper Sensor Failure”
    • Internal ERROR “Auto-Sensor Failure”
    • Internal ERROR “MPCB Failure”
    • Unrecognized Cartridges Error
    • Image Skews or Moves
    • Does Not Print
    • Ink Cartridge Misfiring
    • Paper Skewing
    • Printer Output is Banding (Horizontal)
    • Printer Output is Banding (Vertical)
    • Printer Output is Banding (Horizontally and Vertically)
    • Keypad Locked - Up or Not Functioning Properly
    • Noisy Operation
    • Line Quality Degraded
    • Fan Does Not Power Up
    • Media Take-Up Motor Not Operating, Sensor Works
    • Media Feed Motor Not Operating, Sensor Works
    • Media Feed and Take-Up Motors Not Operating, Both Sensors Working
    • Media Feed or Take-Up Sensor(s) Not Operating
  • Initialization Troubleshooting (500 Series)
  • Initialization Troubleshooting (630/700 Series)
• Assembly\Disassembly
  • Introduction
  • Remove the Left, Top, and Right Covers
  • Install the Left, Top, and Right Covers
  • Remove the Keypad and Display
  • Install the Keypad, Display, and Display Power Converter
  • Remove Extra Memory (SIMM)
  • Install Extra Memory (SIMM)
  • Remove the MPCB (Main Printed Circuit Board)
  • Install the MPCB
  • Remove Power Supply, Cooling Fan, and AC Entry Module
  • Install the Power Supply, Cooling Fan, and AC Entry Module
  • Remove Servo Motor
  • Install Servo Motor
  • Remove the Ink Delivery System
  • Install the Ink Delivery System
  • Remove the Carriage Assembly, Carriage Belt, and the Frame Tensioner
  • Install the Carriage Assembly, Carriage Belt, and the Frame Tensioner
  • Remove the Carriage PCB
  • Install the Carriage PCB
  • Remove the Paper Sensor or the Encoder Sensor
  • Install the Paper Sensor or the Encoder Sensor
  • Replacing the Carriage Bushings
  • Remove the Service Station
  • Install the Service Station
  • Remove the Trailing Cable Assembly
  • Install the Trailing Cable Assembly
  • Remove the Stabilizer Bracket and Encoder Strip
  • Install the Stabilizer Bracket and Encoder Strip
  • Remove the Y-Arm Assembly, Pinch Rollers, Slide Shaft, and Auto-Load Sensor
  • Install the Y-Arm Assembly, Pinch Rollers, Slide Shaft, and Auto-Load Sensor
  • Remove the Lower Roller Assembly, Stepper Motor and Vacuum Fan
  • Install the Lower Roller Assembly, Stepper Motor and Vacuum Fan
  • Remove the Media Take-Up and Feed Sensor Brackets and Sensors
  • Install the Media Take-Up and Feed Sensor Brackets and Sensors
  • Remove the Media Take-Up and Feed Motors
  • Install the Media Take-Up and Feed Motors
  • Remove the Media Drying Fans
  • Install the Media Drying Fans
  • Remove the Thermal Dryer Assembly (NovaJet 750)
  • Install the Thermal Dryer Assembly (NovaJet 750)
• Parts List