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Oki C7500n Maintenance Manual

Also see for C7300: User manualUser manualUser guideUser manualReference guide

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Contents
  1. maintenance manual
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. System Configuration
  6. Printer Configuration
  7. Option Configuration
  8. Specifications
  9. Precautions in Replacing Parts
  10. Parts layout
  11. Replacing Parts
  12. Top Cover
  13. LED Head / LED Spring / Post-Guide
  14. Top Cover Unit
  15. Control Panel Assy/ Control Panel Bezel/ LED Control PWB/ Toner Sensors Stacker Full Sensor/ Control Panel/ Control Panel Tape Harness/ Eject Rollers
  16. Top Cover Handle/ Top Cover Latch/ Top Cover Latch Spring
  17. Eject Guide Assy
  18. Cassette Assy/ Front Cover Assy/ Front Cover Inner Baffle
  19. Retard Pad Assy/ Retard Pad Assy Spring
  20. Feed Roller and Nudger Roller
  21. Rear Cover
  22. Face-Up Tray
  23. Left Side Cover
  24. Right Side Cover
  25. Multipurpose Tray Assy/ Multipurpose Tray Cover Assy/ Links Multipurpose Tray Top Cover/ Multipurpose Tray Drive Gear
  26. Drum Contact Assys
  27. Media Thickness Sensor Assy
  28. Registration Roller Assy (A)/ Registration Drive Gear (A)
  29. Registration Roller Assy (B)
  30. Registration Clutch and Registration Motor Assy
  31. Main Cooling Fan
  32. Color Registration Sensor Assy
  33. Duplex Guide Assy
  34. Electrical Chassis Cooling Fan
  35. Printer Engine Controller PWB
  36. Printer Unit Chassis
  37. Entrance Cassette Sensor Actuator
  38. Entrance Sensor PWB
  39. Entrance MT Sensor Actuator / Entrance Belt Sensor Actuator Entrance Waste Chassis Sensor Actuator
  40. Fuser Exit Roller
  41. Exit Sensor Assy
  42. Fuser Latching Handle (L)
  43. Belt Motor Assy
  44. Fuser Latching Handle (R)
  45. Main Motor Assy
  46. Main Feeder Drive Motor
  47. Contact Assy/ Left Plate Assy
  48. Low Voltage Power Supply
  49. High voltage power supply
  50. Main Feed Assy
  51. Cassette/ Left Guide Assy
  52. Cassette/ Right Guide Assy
  53. Fuser Unit
  54. Belt Unit
  55. Duplex Unit
  56. Guide Rails (L) and (R)
  57. Duplex Transport Assembly
  58. CU Assy
  59. System Maintenance MENU
  60. ID Check Pattern Printing ( " TEST PRINT MENU " item )
  61. Engine maintenance mode
  62. Entering self-diagnostic mode (Level 1)
  63. Motor clutch test
  64. Test print
  65. Initializing NVM
  66. Displaying the consumables counter
  67. Panel display details
  68. Various print jobs with single printer unit attached with a controller
  69. Adjustment After Replacing Parts
  70. Replacing EEPROM after replacing the CU board
  71. Recovery Flash ROM data on CU board
  72. Paper Thickness Detection Sensitivity Adjustment and Media Thickness Detection Value Check
  73. Setting
  74. Media Setting
  75. Sensitivity Adjustment
  76. Actions for NG Sensitivity Adjustment
  77. Inputting the density of the calibration chip for density detection
  78. Electronic Serial Number Input
  79. Parts Replaced Regularly
  80. Precautions before troubleshooting
  81. Preparing for Troubleshooting
  82. LCD message list
  84. Troubleshooting for abnormal images
  85. Fuse check
  86. CONNECTION DIAGRAM
  87. Program/Font ROM Layouts
  88. APPENDIX A INTERFACE SPECIFICATIONS
  89. Timing Charts
  90. Parallel I/F Signals
  91. Universal Serial Bus (USB) Interface Specifications
  92. APPENDIX B 2ND/3RD TRAY MAINTENANCE
  93. Feeder Drive Assy
  94. APPENDIX C C7100/7300/7350/9300/9500 SERIES ERROR MESSAGES
  95. C7100/7300/7350/9300/9500 Series (Error messages : Related to Color, Media Detect)
  96. C7100/7300/7350/9300/9500 Series (Warning messages : Related to usage, media)
  97. C7100/7300/7350/9300/9500 Series (Warning messages : Job Account)
  98. C7100/7300/7350/9300/9500 Series (Other Warning)
  99. top cover assembly
Oki C7500n Maintenance Manual Manual pdf 56 page image
41955801TH Rev.8 56 /Oki Data CONFIDENTIAL11253462.3.35 Main Feeder Drive Motor(1) Remove the two screws 1 to detach the main feeder drive motor 2.(2) Unscrew the screw 3 to remove the main feeder drive motor bracket 4.(3) Remove the main feeder drive motor gears A 5 and B 6.Figure 2-3-35 Main Feeder Drive Motor
/ 192
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This manual is suitable for:
C7300C7500C7500nC7550MAC TECHNICAL REFERANCE C7350
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