Avision AD280 Service Manual Manual pdf 32 page image
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Avision AD280 Service Manual

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. INTRODUCTION
  4. PRECAUTIONS OF INSTALLATION/TRANSPORTATION
  5. THEORY OF OPERATION
  6. MAIN CONTROL UNIT
  7. Cable Connection
  8. PROBLEM SOLVING
  9. Offline diagnostics
  10. Diagnostic flowcharts
  11. TROUBLESHOOTING
  12. Tables
  13. CLEANING THE SCANNER
  14. C LEANING THE ADF G LASS
  15. DISASSEMBLY
  16. Removing the Output Tray
  17. Removing the Input Tray
  18. Removing the Reverse Roller
  19. Removing the Reverse Roller Cover
  20. Removing the Front Cover
  21. Removing the UI Board
  22. Removing the Top Cover and Bottom Cover
  23. Removing the Left/Right Covers
  24. Removing the Upper Base and Bottom Base
  25. Removing the Glass Assembly from Upper Base
  26. Removing the Springs from Upper Base
  27. Removing the LED Light Bar from Upper Base
  28. Removing the Gear from Upper Base
  29. Removing the CCD Assembly from Upper Base
  30. Removing the Ultrasonic Transmitter from the Upper Base
  31. Removing Sensor board from Upper Base
  32. Removing the Conductive Brush
  33. Removing the Idle Roller/Metal Cover/Spring from the Upper Base
  34. Upper Base
  35. Removing the Plastic Hooks from the Upper Base
  36. Removing the Latch Hook from the Upper Base
  37. Removing the Paper-in Sensor from the Upper Base
  38. Removing the Short Shaft from the Upper Base
  39. Removing the Roller Holder and Spring from the Upper Base
  40. Removing the Top Cover from the Bottom Base
  41. Removing the Long Spring from the Bottom Base
  42. Removing the Roller Cover from the Bottom Base
  43. Removing the Pick-up Roller and ADF Roller from the Bottom Base
  44. Removing the Shaft Mount from the Bottom Base
  45. Removing the Glass Assembly from the Bottom Base
  46. Removing the Belt from the Bottom Base
  47. Removing the Feeding Rollers from the Bottom Base
  48. Removing the LED Light Bar from the Bottom Base
  49. Removing the Main Board
  50. Removing the Bottom Cover
  51. Removing the CCD Assembly from the Bottom Base
  52. Removing the Ultrasonic Receiver from the Bottom Base
  53. Removing the Motor Assembly from the Bottom Base
  54. Removing the Motor from the Bottom Base
  55. Removing the Input Tray Hinges from the Bottom Base
  56. Checking Conductivity After Replacement of Metal Parts
Avision AD280 Service Manual Manual pdf 32 page image
6-96.1.6 Removing the Front Cover1. Remove the reverse roller cover as described in the preceding section 6.1.4.2. Remove 2 fixing screws on the upper base, as indicated below:(Torque：8±0.5Kgf.cm / Screw Type:TAP-2, 3x10 / PN: 077-1010-0)3. Detach 3 adjoining hooks from their slots on the front cover with a flat screw driver as shown.
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This manual is suitable for:
AD260AD280
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