User ManualTable of ContentsGeneral Description17Introduction17Overview19Related Publications19Electrostatic Discharge (ESD) Sensitivity19Warnings, Cautions and Notes20Printer Specifications21Contents of this Service Manual22Technical Support24Theory of Operation25Introduction25NovaJet 500/630/700 Printers General Block Diagram25Paper (Media) Axis Drive27The Carriage Axis Drive28Media Feed and Take-Up System29Main Printed Wiring Assembly (MPWA)30Microprocessor31Gate Array31Memory Circuits32Flash EEPROM32DRAM33Serial EEPROM34Stepper Motor Controller34Servo Motor Controller36Interface Circuits: Serial & Parallel38Carriage Assembly Circuits39Control Panel40Power Supply41Beeper and Fans41Maintenance43Introduction43Scheduled Maintenance43Cleaning Procedures44External Cleaning44Service Station Cleaning44Slide Shaft Cleaning45Linear Encoder Strip Cleaning46Cartridge Jet Area & Dimples Cleaning47Flex Cable Contact Cleaning48Clean and Inspect Stepper Motor Gears49Clean and Inspect MPWA49Clean and Inspect Carriage Assembly50Reseat Connectors on MPWA and Carriage Board50Replace Carriage Bushings53Servo Motor Winding Resistance Check54Stepper Motor Winding Resistance Check55Power Feed and Take-Up Motor Winding Resistance Check56Banding: Hardware vs Software57Common Banding Causes58Alignments/Adjustments60Slide Shaft Profile Adjustment60Head Height Alignment Procedure64Color Calibration68Deadband Alignments71Deadband Alignment (for 500 Series)74Color Deadband Alignment (for 630/700 Series)75Paper Axis Calibration77Diagnostics Menu79Limited Access Menu82Firmware Download/Upgrading for the PC83Firmware Download/Upgrading for the MAC84Internal Cabling and Signal Flow Diagrams86Troubleshooting91Introduction91No Power91Initialization Failure92Media Does Not Move92Internal ERROR “Carriage Axis Failure”93Internal ERROR “Encoder Sensor Failure”95Internal ERROR “Paper Sensor Failure”95Internal ERROR “Auto-Sensor Failure”96Internal ERROR “MPCB Failure”96Unrecognized Cartridges Error96Image Skews or Moves97Does Not Print97Ink Cartridge Misfiring97Paper Skewing99Printer Output is Banding (Horizontal)99Printer Output is Banding (Vertical)101Printer Output is Banding (Horizontally and Vertically)101Keypad Locked - Up or Not Functioning Properly101Noisy Operation102Line Quality Degraded103Fan Does Not Power Up104Media Take-Up Motor Not Operating, Sensor Works104Media Feed Motor Not Operating, Sensor Works105Media Feed and Take-Up Motors Not Operating, Both Sensors Working105Media Feed or Take-Up Sensor(s) Not Operating105Initialization Troubleshooting (500 Series)108Initialization Troubleshooting (630/700 Series)110Assembly\Disassembly113Introduction113Remove the Left, Top, and Right Covers114Install the Left, Top, and Right Covers118Remove the Keypad and Display119Install the Keypad, Display, and Display Power Converter121Remove Extra Memory (SIMM)122Install Extra Memory (SIMM)123Remove the MPCB (Main Printed Circuit Board)123Install the MPCB126Remove Power Supply, Cooling Fan, and AC Entry Module127Install the Power Supply, Cooling Fan, and AC Entry Module129Remove Servo Motor130Install Servo Motor132Remove the Ink Delivery System133Install the Ink Delivery System135Remove the Carriage Assembly, Carriage Belt, and the Frame Tensioner136Install the Carriage Assembly, Carriage Belt, and the Frame Tensioner139Remove the Carriage PCB141Install the Carriage PCB143Remove the Paper Sensor or the Encoder Sensor143Install the Paper Sensor or the Encoder Sensor145Replacing the Carriage Bushings146Remove the Service Station148Install the Service Station148Remove the Trailing Cable Assembly149Install the Trailing Cable Assembly149Remove the Stabilizer Bracket and Encoder Strip150Install the Stabilizer Bracket and Encoder Strip152Remove the Y-Arm Assembly, Pinch Rollers, Slide Shaft, and Auto-Load Sensor152Install the Y-Arm Assembly, Pinch Rollers, Slide Shaft, and Auto-Load Sensor155Remove the Lower Roller Assembly, Stepper Motor and Vacuum Fan156Install the Lower Roller Assembly, Stepper Motor and Vacuum Fan159Remove the Media Take-Up and Feed Sensor Brackets and Sensors162Install the Media Take-Up and Feed Sensor Brackets and Sensors164Remove the Media Take-Up and Feed Motors164Install the Media Take-Up and Feed Motors166Remove the Media Drying Fans166Install the Media Drying Fans167Remove the Thermal Dryer Assembly (NovaJet 750)168Install the Thermal Dryer Assembly (NovaJet 750)169Parts List171Size: 5.91 MBPages: 192Language: EnglishOpen manual