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Oki ML390 Service Manual

Also see for MICROLINE Turbo ML390: User guideProduct updateReference manualSpecificationsInstallation

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Contents
  1. Compatibility - Microline 390/391 vs. Microline
  2. Paper Specifications
  3. Physical Specifications
  4. Power Requirements
  5. Environmental Requirements
  6. Agency Approvals
  7. Options
  8. Consumables
  9. Memory Specifications
  10. Reliability Specifications
  12. Block Diagram (Microline 390/391)
  13. Block Diagram (Microline 390/391-Plus)
  14. Interface Control
  15. Print Head Drive Circuit
  16. Spacing Operation
  17. Line Feed
  18. Alarm Circuits
  19. Space Mechanism / Operation
  20. Head Gap Adjusting Mechanism
  21. Ribbon Drive Mechanism / Operation
  22. Paper Feed Mechanism
  23. Paper-End Detection Mechanism
  24. Semi-Automatic Sheet Feeder (SASF) Operation
  25. Release Lever Operation
  26. Maintenance Tools
  27. Maintenance Precautions
  28. Disassembly/Assembly Procedures
  29. Preliminary Items
  30. Separator Assembly
  31. Printhead Assembly
  32. Upper Cover Assembly
  33. Operator Panel Assembly
  34. IC Card (B) Panel
  35. Filter Assembly
  36. Indicator Assembly (Bail Bar Assembly)
  37. Head Cable Access Cover and Connection Board
  38. Space Motor Assembly
  39. Carriage Frame Assembly
  40. Space Rack
  41. Guide Rail
  42. Platen Assembly
  43. Line Feed Motor Interconnect Module
  44. Reset Spring, Change Gear, and Idler Gear
  45. Release Lever
  46. Paper Pressure Guide
  47. Pressure Roller Assembly
  48. Tractor Assembly
  49. Sensor Lever
  50. Paper End (B) Lever
  51. Main Chassis Assembly
  52. Printhead Gap Adjustment
  53. Cleaning
  55. Reporting Problems
  56. Troubleshooting Tips
  57. Fault Alarms
  58. RAP Index
  59. Troubleshooting Cautions
  60. RAP 01: Operator Panel Lamps Do Not Light
  61. RAP 02: Abnormal Spacing
  62. RAP 03: Wrong or Missing Characters / Dots on Output
  63. RAP 04: Line Feed Problems
  64. RAP 05: Malfunction of Operator Panel Switch(es)
  65. RAP 06: Parallel Interface Does Not Receive Data
  66. RAP 07: Serial Interface Does Not Receive Data
  67. Hexadecimal Dump
  68. Printhead
  69. Rolling ASCII Print Test
  70. Menu Operation
  71. Top Of Form
  72. Paper Park
  73. Forms Tear Off
  74. A.1.02 Compatibility - Microline 390/391 vs. Microline
  75. A.2.01 Control Board (SKRB) - Rev A and B
  76. A.2.03 Power Supply (PAII) - Rev A and B
  77. A.2.05 Filter Assembly
  78. A.2.07 Operator Panel (LXSP-5) - Microline 390/391-Plus
  79. A.2.08 Interconnect Board (SRBS)
  80. A.2.09 RS232-C Serial Interface (LXHI)
  81. B.1.02 Definitions of Terms
  82. B.1.03 Compatibility - Microline 390/391 vs. Microline
  83. B.2.01 Covers
  84. B.2.02 Electrical Components - Rev A and B
  85. B.2.03 Electrical Components - Rev C
  86. B.2.04 Printer Mechanism - Rev A and B (1 of 2)
  87. B.2.05 Printer Mechanism - Rev A and B (2 of 2)
  88. B.2.06 Printer Mechanism - Rev C (1 of 2)
  89. B.2.07 Printer Mechanism - Rev C (2 of 2)
  90. B.2.08 Operator Panel
  91. B.2.09 Carriage Assembly
  92. B.2.10 Tractor Assembly
  93. B.2.11 Options
  94. B.2.12 Consumables
  95. B.2.13 Packaging
  96. B.2.14 Documentation
Oki ML390 Service Manual Manual pdf 141 page image
Page: 73Service Guide ML390/391Chapter 3 Maintenance & Disassembly3.2.29 Main Chassis Assembly· All disassembly procedures must be carried out to reach the main chassis assembly (1).P/N 50061101 Chassis: Main (Assembly) Both 90 RSPL A B C B.2.05 , B.2.07P/N 50061201 Chassis: Main (Assembly) Both 91 RSPL A B C B.2.05 , B.2.07Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA BusinessPartner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
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This manual is suitable for:
MICROLINE Turbo ML390MICROLINE Turbo ML391Microline 390Microline 390-PlusMicroline 391 Turbo/nMicroline 391-Plus
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