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Kodak 800 SERIES service manual General Block Diagram

Models: 800 SERIES

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Troubleshooting Specs Install Parts list General Block Diagram Material Safety Data Sheet Quadrature Signal Generation Internal Error Mpcb Failure Main PWA LED Status Indicators Warranty

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NovaJet 800 Series Service Manual

Figure 2-1. General Block Diagram.

Theory of Operation

2-3

Page 33 Page 35

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Kodak 800 SERIES service manual General Block Diagram

Page 33 Page 35

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Contents

NovaJet Series Novajet Printing history FCC Statement U.S.A User Instructions VDE Statement Material Safety Data Sheet Warranty or Damage Claims Table of Contents Maintenance Troubleshooting Printer Output is Banding Horizontally and Vertically 100 Assembly\Disassembly Install the Carriage Assembly, Carriage Belt, Remove the Lower Roller Assembly, Stepper Motor Install the Y-Arm Assembly, Pinch Rollers, Slide Shaft, Parts List List of Illustrations Xviii Xix Encoder Sensor AutoLoad Paper Sensor Assembly/Disassembly 105 Xxii List of Tables General Description Introduction General Description Related Publications OverviewElectrostatic Discharge ESD Sensitivity Followed by a paragraph describing the concern Printer Specifications Environment Weight NJ850 NJ880 Dimensions General Description Help Desk Telephone Technical SupportHelp Desk FAX Theory of Operation NovaJet 800 Series Printers General Block Diagram General Block Diagram Paper Media Axis Drive Paper Media Axis Drive Carriage Axis Drive Carriage Axis Drive Power Feed and Take-Up System Media Feed and Take-Up System Main PWA Printed Wiring Assembly Main PWA Printed Wiring Assembly Main PWA LED Status Indicators Gate Array Memory Circuits Sdram Theory of Operation Servo Motor Controller Quadrature Signal Generation Interface Circuits Serial & Parallel Carriage Assembly Circuits 11. Carriage Assembly Circuits Theory of Operation Power Supply Control Panel Thermal Dryer Assembly Sensor Status Menu Beeper and Fans Maintenance Scheduled Maintenance External Cleaning Cleaning ProceduresSlide Shaft Cleaning Service Station Cleaning To clean the slide shaft Linear Encoder Strip Cleaning To clean the Encoder Strip Platen/Vacuum Hole Cleaning Trailing Cables CleaningTo clean the Trailing Cables Cartridge Dimples Cleaning Cartridge Dimple Region Flex Cable Contact Cleaning Flex Cable Contacts Clean and Inspect Main PWA Clean and Inspect Stepper Motor GearsClean and Inspect Carriage Assembly Dryer Cleaning Reseat Connectors on Main PWA and Carriage Boards Keypad J18 Connect Power U24 PC133 Sdram Dimm socket Carriage PWA Connection Locations Ribbon Connector Locking Mechanism Replace Trailing Cables Replace Carriage Cover/Carriage Bushings Servo Motor Winding Resistance Check Servo Motor Stepper Motor Winding Resistance Check Stepper Motor Power Feed and Take-Up Motor Winding Resistance Check Banding Hardware vs Software Banding Differences Hardwaresoftware Maintenance Banding Causes & Quick Analysis Horizontal Banding Problems Page Maintenance Vertical Banding Problems Line Quality Problems Overspray Alignments/Adjustments Slide Shaft Profile Adjustment Zero Gauge Tighten SET Screw not Shown Shaft Mounting Block Measure Head Height Alignment Procedure 13. Slide Shaft Profile Adjustment Cartridge JET Plate 16. Zeroing the Micrometer Gauge Page Color Calibration To perform the Color Calibration 18. Vert. and Horiz. Color Calibration Vertical Vert. Calib Test Horizontal Horiz. Calib Test Exit Deadband Alignments Selected To perform the Slow Deadband Alignment 22. Slow Deadband 23. Service Menu Color Deadband Alignment To perform the Color Deadband Alignments Left Color Db Test Right Exit To perform the paper axis procedure Paper Axis Calibration Diagnostics Menu 33 or 83.82 cm Servo PWM Test Page Firmware Download/Upgrading for the PC To download new firmware to your printer Firmware Download/Upgrading for the MAC Internal Cabling and Signal Flow Diagrams 31. Carriage PWA Connections Diagram Leg Harness Connections Diagram Troubleshooting No Power Initialization Failure Dimm Media Does Not Move Internal Error Carriage Axis Failure Internal Error Encoder Sensor Failure Internal Error Paper Sensor Failure Internal Error Auto-Load Paper Sensor Failure Internal Error Mpcb Failure Unrecognized Cartridges Error Image Skews or Moves Media Sen Ref. Pts Not Initialized NJ880 onlyDoes Not Print Bad Mpwa Ink Cartridge Misfiring Paper Skewing Ink CartridgePrinter Output is Banding Horizontal Banding Horz Printer Output isCont Printer Output is Banding Vertical Printer Output is Banding Horizontally and Vertically Keypad Locked-Up or Not Functioning Properly Noisy Operation Line Quality Degraded Color calibration Perform Color Needed Calibration Deadband Replace Mpwa Media Feed Motor Not Operating Sensor Works Media Feed or Take-Up Sensors Not Operating Symptoms Possible cause Solution Print Quality Issues Cartridge Misfires Intermittent Banding Failure Analysis Print Misfires Excessive Ink Pressure Dirty Service Station Unseated Flex Driver Cable Damaged Flex Driver Cable Unseated or Defective Trailing Cable Common Misfire Problems 11. Stall Configuration Clearing Cartridge Misfires Multiple Cartridge Failures 14. Service Station Microbanding 16. Catastrophic Jet Failure 20. Microbanding 22. Ink Cartridge Configurations Horizontal Banding 23. Defective Magenta Cartridge 24. AutoWipe Interference 26. Unseated or Defective Trailing Cables 27. ESD Problems 29. Carriage Head Strike 32. Test Print 34. Defective Carriage PWA Color Test 36. Defective Stepper Motor 37. Servo System Synchronization Failure 39. Connectivity Problem 41. Main PWA Failures 42. RIP Problem Vertical Banding 44. Dirty or Worn Carriage Bushings 46. Defective Trailing Cable Examples 47. Dirty Encoder Strip 49. RIP Error Page Layout Violation Cartridge Warranty 50. ESD Problem Cartridge Maintenance & Testing 51. Jet Out Detection Common Misfire Problems General Print Misfire Analysis Cartridge Misfires Multiple Cartridge Failures 53. Service Station Cleaning Ink Starvation Inkjet Nozzle Problems Ink Starvation Ink System Pressure Theory 55. Ghosting Failure Analysis 56. Cartridge Tubing Needle and Septum 57 Jet Cartridge 59. Reservoirs and Ink Delivery System Ink Dropout 60. Excessive Ink Pressure 61. Excessive Ink PreHeat Settings Page Color Test Problems 62. Dirty Service Station Problem Failure Analysis Color Test Incorrect 63. Normal Color Test 3 Pass 65. Cartridge Tubing Needle and Septum Unrecognized Cartridge Error Message Unrecognized Cartridge Failure Analysis Steps 67. Cartridge Identification Chip Paper Sensor Error 68. Flex Driver Cable 69. Paper Sensor Loading Media Failure Encoder Sensor Error 70. Paper Sensor Location AutoLoad Paper Sensor Error Carriage Tracking Failure Carriage Axis Error Carriage Axis Failure 73. Carriage Head Assembly Carriage Test 75. Dirty or Defective Encoder Strip Page 76. Main PWA Trailing Cable Connection 77. Boot ROM Access Function Initialization Failure 78. Main PWA LED Operation Page 80. Paper Sensor Quick Troubleshooting List 81. Main PWA LED Operation Inconsistent Operations Functional ProblemsNoise in Image Dryer Failure/Sensor Error ESD Problems 85. Main PWA Humidity Sensor Troubleshooting Reading that was sampled when the detected error occurred 86. Dryer LEDs Intermittent Problems/Continuity 88. Internal Test Print 89. SEH Activated Test Pattern 91. Driver/RIP Problem 93. ESD Problems 94. Servo Cycle/PWM Menu 96. Servo System Synchronization Error 98. Probable Defective Carriage PWA 100. Corrupted Code Main PWA 102. Apparent Ink Overspray 105. Text Field Problem Reinitializing the Printer Printer Hesitation/Networking Problems Data Starvation Compute Bound 108. Printer Hesitation Causes Miscellaneous Notes Network Connectivity To activate an E-Connect Test 109. E-Connect LEDs Other port testing procedures Parallel Port Test Firmware Downloading Procedures NJ850 Printer 112. Demo Print Troubleshooting Expanded Instructions for Firmware Download/Upgrade NJ880 Printer Internet Media Handling System Failure 114. Media Handling System Assembly\Disassembly5 Introduction Remove the Left, Top, and Right Covers To remove the Top Cover To remove the Right Cover Assembly Right Cover Assembly Removal/Installation To remove the Left Cover Assembly Left Cover Removal/Installation To install the Left Cover Install the Left, Top, and Right CoversTo install the Right Cover Assembly Remove the E-Connect Network Assembly To install the Top Cover Install the E-Connect Network Assembly E-Connect Assembly Installation/Removal Keypad and Display Installation/Removal Remove the Keypad and Display Install the Keypad and Display Keypad and Display Grounding Connections Memory Module Removal/Installation Remove Memory Module Install Memory Module Remove the Main Printed Wiring Assembly PWAPage Main PWA Removal Install the Main Printed Wiring Assembly PWA Remove Power Supply, Cooling Fan, and AC Entry Module Power Supply Removal To remove the Cooling Fan and AC Entry Module Install the Power Supply, Cooling Fan, and AC Entry Module To install the Cooling Fan and AC Entry Module Remove Servo Motor 10. Using the Belt Removal Tool Install Servo Motor Remove the Ink Delivery System 11. Chain Guide Removal 12. Left Side of Ink Delivery System Install the Ink Delivery System 14. Using the Belt Removal Tool 15. Electronics Covers Removal 16. Strain Relief Removal/Installation 17. Carriage Belt Clamp 18. Carriage Coupler Installation 19. Left Carriage Installation Page Remove the Carriage PWA Latch TAB Slot Install the Carriage PWA Remove the Paper Sensor or the Encoder Sensor 21. Paper and Encoder Sensor RemovalPage Install the Paper Sensor or the Encoder Sensor To install the Paper Sensor To install the Encoder Sensor Replacing the Floating Carriage Cover Bushings 23. Floating Carriage Cover Bushing Removal Replacing the Carriage Bushings 24. Carriage Bushing Removal Remove the Service Station Tabs Install the Service Station Remove the Trailing Cable Assembly Install the Trailing Cable Assembly Chain Support Bracket Rests On the TOP Y-ARM Assembly Remove the Stabilizer Bracket and Encoder Strip Install the Stabilizer Bracket and Encoder Strip 28. Y-Arm Installation/Removal 29. Pinch Roller Page Remove the Gap Sensor NovaJet 880 only To remove the print gap sensorPage Page 30. Stepper Motor Removal/Installation Page 31. Inside Platen, Right Side Page Avoid damaging the encoder strip Page Lower Roller Installation Tip NovaJet Arm Assembly Installation Tip NovaJetPage 32. Media Take-Up and Feed Sensor Removal Install the Media Take-Up and Feed Motors Remove the Media Take-Up and Feed Motors Remove the Thermal Dryer Assembly Turned off Install the Thermal Dryer Assembly Remove the Thermal Dryer Right Endcap Assembly This assembly emits heat by radiation Install the Thermal Dryer Right Endcap Assembly Fan Element, Right Conn Thermistor Element, Left Conn Parts List Figure Item Part Name Left Side Parts Breakdown Trailing CABLES, Assembly Platen and Above Parts Breakdown Cover ASSEMBLY, with Keypad Right Side Parts Breakdown HARNESS, DRYER/WINDER Inner Platen Parts Breakdown Encoder Sensor W/FLEX Carriage Assembly Parts Breakdown SUPPORT, LEFT, Carriage Floating Carriage Cover Parts Breakdown Figure Item Service Station Parts Breakdown Cradle DRIVE, Assy Motor 7 and Gear Power Feed and Take-Up Parts Breakdown Index

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