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OKIDATA ML172 Series Service Manual

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Contents
  1. Copyright
  2. Table Of Contents
  3. Table Of Contents
  4. General Description & Specifications 1.1 General Description
  5. ML172
  6. ML182
  7. ML182-PLUS
  8. ML182-TURBO
  9. Specifications
  10. Principles of Operation 2.1 Electrical Principles Of Operation
  11. Power Supply
  12. Control PCB
  13. Interconnect Board
  14. Operator Board
  15. Mechanical Principles Of Operation : Printhead
  16. Head Gap Adjusting Mechanism
  17. Space Mechanism / Operation
  18. Ribbon Feed Mechanism / Operation
  19. Paper Feed Mechanism / Operation
  20. Paper-end Detection Mechanism
  21. Semi-Automatic Sheet Feed (SASF)
  22. Printer Maintenance 3.1 General Information
  23. Figure 3-1c - ML182-PLUS/ML182-TURBO
  24. Maintenance Procedures
  25. Upper Cover
  26. Control Board
  27. Transformer Assembly
  28. Power Supply Board
  29. Operation Board
  30. Printhead
  31. Ribbon Feed Gear Assembly
  32. Space Motor Assembly
  33. Space Rack
  34. Carriage Cable
  35. Printer Mechanism
  36. Linefeed Motor Assembly
  37. Column Indicator Bar
  38. Platen Assembly
  40. Paper Chute Assembly
  41. Bottom Paper Guide Assembly
  42. Near-end Lever And Bracket
  43. Bottom Near-end Lever
  44. Adjustments
  45. Space Rack and Roller Gap Adjustment
  46. Printer Self-Tests
  47. Preventive Maintenance
  48. Failure Analysis Procedures 5.1 Failure Analysis Procedure
  49. RAP Index
  50. Board layout and Wiring - ML182Plus and ML182Turbo
  51. Pin Numbers and Signals
  52. Check Points for Printed Circuit Boards - ML182Plus and
  53. RAP #2: Power LED lights, but the carriage does not
  54. RAP #3: Carriage movement is abnormal when power is
  55. RAP #10: Wrong characters are printed or some
  56. RAP #12: Print is light
  57. RAP #13: Line feed is not performed
  58. RAP #14: Fuse F1 on power supply board blows while
  59. RAP #15: Switch on the operator panel does not work
  60. ML172 Control Board (SLMR-51 & SLMR-52) and Operator
  61. ML182 Control Board (SLMR) and Operator Board
  62. ML182-PLUS & ML182-TURBO Control Board (SLMX) and
  63. B Parts Compatability Chart Parts Compatability Chart
OKIDATA ML172 Series Service Manual Manual pdf 100 page image
Page: 78Service Guide ML172/ML182 SeriesChapter A PCB Referance ChartsML182-PLUS & ML182-TURBO Control Board (SLMX) and Operator BoardsFusesF1 - 1.5 ampSwitches1 Switch Bank with 8 SwitchesNOTE:Please refer to the appropriate Users Manual for switch definitionsJumpersNote: Please refer to Technical Information Bulletin #139 for variations in the positioning of SP11
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This manual is suitable for:
ML172 SeriesML182 SeriesML182-PLUSML182-TURBO
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