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Oki MC873dn Maintenance Manual

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. CONFIGURATION
  5. System configuration
  6. Structure of MFP
  7. Offer of Options
  8. Specifications
  9. copy specifications
  10. scan specifications
  11. fax specifications
  12. other specifications
  13. paper handling
  14. scanner section
  15. Interface specifications
  16. Network Interface Specification
  17. Telephone Line Interface Specification
  18. Wireless LAN Interface
  19. TROUBLESHOOTING PROCEDURES
  20. Precautions prior to repair
  21. Troubleshooting method
  22. Inspection List
  23. Fax Error List
  24. Email/Internet FAX/FAX Server Error List
  25. Preparing for troubleshooting
  26. clearing paper jams
  27. Troubleshooting the abnormal images
  28. Response after Flash compulsive initialization
  29. Network Troubleshooting
  30. Wireless Troubleshooting
  31. Fuse Checking
  32. Paper cassette switches and paper size correlation table
  33. MAINTENANCE MENUS
  34. Maintenance Menu
  35. Service Bit Menu
  36. Maintenance Utility
  37. Self-diagnostic mode
  38. Normal self-diagnostic mode (Level 1)
  39. Switch scan test
  40. Motor and clutch test
  41. Test print
  42. Color registration adjustment test
  43. Density adjustment test
  44. Consumable counter display
  45. Print counter display
  46. Self-diagnostic function setting
  47. LED head serial number display
  48. Functions of buttons after power-on
  49. Setup after part replacement
  50. Notes on HDD replacement
  51. Manual density adjustment setting
  52. REPLACEMENT OF PARTS
  53. Notes on replacement of parts
  54. Part replacement procedure
  55. Fuser unit
  56. Cover side-L-upper / Cover side-L
  57. Rear cover Assy
  58. Duplex Unit
  59. LED Assy. / Spring-Head
  60. Main board (board Assy-6CU) / Board memory
  61. HDD Assy / Plate Assy.-Sensor / Stapler Unit
  62. Scanner Unit / Cover-Hinge(L) / Cover-Hinge(R)
  63. Tray-Assy-Document/Cover-ADF-R
  64. Tray-Assy-Document
  65. ADF-unit / CONN Cord / Film-Guard(L) / Film-Guard(R)
  66. Sheet-document/Paper-weight-Assy/Spring-PW-ADF
  67. Hinge-Assy-L / Hinge-Assy-R
  68. ADF-Assy
  69. Guide-Retard / Cover-Assy-Top-ADF / Motor /CONN Coard / Clutch Photo-sensor
  70. Frame Assy.-Hopping(ADF)
  71. top cover assy
  72. front cover assy
  73. cassette assy
  74. REGULAR MAINTENANCE
  75. Cleaning
  76. Cleaning of LED lens array
  77. Cleaning the Feed rollers and the Retard roller
  78. Cleaning the MPT Feed rollers
  79. Cleaning Rollers in the ADF
  80. Cleaning the rollers inside of the ADF
  81. Cleaning the Document Glass
  82. CONNECTION DIAGRAMS
  83. Connection diagram
  84. Board Layout
  85. Resistance value
  86. Firmware Information
Oki MC873dn Maintenance Manual Manual pdf 169 page image
45850101TH Rev.1 4-19Oki Data CONFIDENTIAL4. REPLACEMENT OF PARTS4.2.10.5 Sheet-document/Paper-weight-Assy/Spring-PW-ADF(1) Open the ADF-unit.(2) Remove the sheet-document ① .(3) Remove two claws to remove the paper-weight-assy ② and two spring-PW-ADF ③.(1) Degrease the affix area of ADF-unit.(2) Remove the release paper.(3) Set the sheet-document ① (see the figure below).(4) Close the ADF-unit.ClawClawADF-unit0 .5 mm0. 5m m
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ES8473MC873dn
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