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xvii
NovaJet 800 Series Service Manual
List of Illustrations
Figure Page
Chapter 1 General Description
1-1. NovaJet 800 Series Inkjet Printer ................................................. 1-1
Chapter 2 Theory of Operation
2-1. General Block Diagram. .............................................................. 2-3
2-2. Paper (Media) Axis Drive. ............................................................ 2-4
2-3. Carriage Axis Drive. ..................................................................... 2-5
2-4. Power Feed and Take-Up System................................................ 2-6
2-5. Main PWA (Printed Wiring Assembly). ......................................... 2-7
2-6. Gate Array. ................................................................................. 2-9
2-7. Stepper Motor Controller. ........................................................... 2-11
2-8. Servo Motor Controller. .............................................................. 2-13
2-9. Quadrature Signal Generation. ................................................... 2-14
2-10. Interface Circuits. .................................................................... 2-15
2-11. Carriage Assembly Circuits. ..................................................... 2-16
2-12. Main Menu. ............................................................................. 2-18
Chapter 3 Maintenance
3-1. Encoder Strip Cleaning. ............................................................... 3-4
3-2. Cartridge Dimple Region. ............................................................. 3-6
3-3. Flex Cable Contacts.................................................................... 3-7
3-4. Main PWA Connection Locations............................................... 3-10
3-5. Carriage PWA Connection Locations. ........................................ 3-11
3-6. Ribbon Connector Locking Mechanism. ..................................... 3-12
3-7. Servo Motor. .............................................................................. 3-14
3-8. Stepper Motor. .......................................................................... 3-15
3-9. Power Feed and Take-Up Motor. ................................................ 3-16
3-10. Examples of Horizontal Banding. ............................................. 3-17
3-11. Dial Gauge Micrometer Assembly. ........................................... 3-25
3-12. Measurement Positions for Slide Shaft..................................... 3-26
3-13. Slide Shaft Profile Adjustment.................................................. 3-27
3-14. Carriage Head Height Tolerance. .............................................. 3-28
3-15. Setting Up Tools from Height Gauge Kit. ................................. 3-28
3-16. Zeroing the Micrometer Gauge. ................................................ 3-29
3-17. Test Cartridge Installed. ........................................................... 3-29
3-18. Vert. and Horiz. Color Calibration. ............................................ 3-32
3-19. Utility Menu. ........................................................................... 3-33