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OKIDATA ML521

Brand: Oki | Category: Printer
Table of contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. General Information
  7. Physical Specifications
  8. Power Requirements
  9. Environmental Conditions
  10. Agency Approvals
  11. Operational Specifications
  12. Paper Specifications
  13. Memory Specifications
  14. Consumables
  15. Options - Cut Sheet Feeders
  16. Pull Tractor Kit
  17. Bottom Push Tractor Kit
  18. Serial Interface
  19. Roll Paper Stand
  20. OKISmart Typer Utility
  21. Reliability
  22. Electrical Operation
  23. Block Diagram
  24. Program ROM
  25. Electrically Erasable Programmable Read Only Memory
  26. Parallel Interface Control
  27. Print Control
  28. LSI/Printhead Interface
  29. Gap Adjust Control
  30. Print Compensation Control
  31. Space and Line Feed (SP/LF) Motor Control
  32. Space Motor Control
  33. Operation Panel
  34. Alarm Circuit
  35. Low Motor Drive Voltage Alarm
  36. Head Drive Time
  37. Print Speed
  38. Head Overheat Alarm Processing
  39. Power Supply Circuit
  40. Printhead Gap Information
  41. Interconnect Diagram: Control Board to Printhead
  42. Line Feed Motor Resistance
  43. Space Motor Resistance
  44. Printhead Operation
  45. Printhead Temperature
  46. Spacing Mechanism
  47. Spacing Operation
  48. Head Gap Mechanism
  49. Ribbon Drive Operation
  50. Line Feed Mechanism
  51. Cut Sheet/Continuous Sheet Switching Mechanism
  52. Cut Sheet Paper Feed Operation
  53. Continuous Paper Feed (Rear Tractor Mechanism)
  54. Continuous Paper Feed (Pull Tractor Mechanism)
  55. Continuous Paper Feed (Bottom Tractor Feed
  56. Paper Detection Mechanism
  57. Support Protector Mechanism
  58. Automatic Paper Load
  59. Continuous Feed Paper
  60. Paper Park
  61. Maintenance & Disassembly 3.1.01 General Information
  62. Maintenance Tools
  63. Maintenance Precautions
  64. Disassembly/Assembly Procedures
  65. Preliminary Items
  66. Printhead Assembly
  67. Ribbon Protector
  68. Gear Case Assembly
  69. Pull-up Roller Assembly
  70. Upper Cover, Access Cover, and Sheet Guide
  71. Power Supply Assembly
  72. Operator Panel PCB (LEOP)
  73. PC Connector
  74. Space Motor and Roller Guide Assemblies
  75. Space Rack
  76. Roller/Holder Backup Assembly
  77. Guide Rail and Adjust Cam
  78. Left Ground Plate
  79. Right Ground Plate
  80. Rear and Cut Sheet Paper Feed Sensor Levers
  81. Platen Assembly
  82. Paper Chute Assembly
  83. Line Feed Motor Assembly
  84. Reset Spring
  85. Idle Gear and Change Lever
  86. Pressure Spring
  87. Carriage Shaft
  88. Leaf Spring
  89. Bottom Paper Sensor Levers
  90. Front Pressure Roller Assembly
  91. Tractor Assembly
  92. Main Frame
  93. Printer Adjustments
  94. Printhead Gap Adjustment
  95. Key Combinations
  96. Menu Operation
  97. Top of Form
  99. Tear Feature
  100. Resets
  101. Cleaning
  102. Shipping Instructions
  103. Printer Serial Number Identification
  104. Firmware Revision Identification
  105. Reporting Problems - General Information
  106. Problem Lists
  107. Reporting Methods
  108. Troubleshooting Updates
  109. Troubleshooting Tips
  110. Problem Categories
  111. Tips for Preventing Image Problems
  112. Common Problems
  113. Abnormal Output - Output Samples
  114. Left Margin Drifting Problem
  115. Fault Alarms
  116. ALARM/LED Display Troubleshooting Table Index
  117. Repair Analysis Procedures (Raps)
  118. RAP 01 No Power Supplied to Printer
  119. RAP 02 No Spacing Operation
  120. RAP 03 Printhead Homing Error
  121. RAP 04 Paper Jam During Paper Loading
  122. RAP 05 Printhead Pins Not Firing
  123. RAP 06 Poor Print Quality
  124. RAP 07 Ribbon Feed Problem
  125. RAP 08 Line Feed Problem
  126. RAP 09 Operation Panel Malfunction
  127. RAP 10 Parallel Interface Problem
  128. RAP 11 Serial Interface Problem
  129. Printer Tests
  130. Serial Cable Information
  131. Serial Interface Signal Requirements
  132. Commonly Used Serial Cable Configurations
  133. Hexadecimal Dump Mode
  134. Resistance Checks
  135. Layout Diagram
  136. Printhead
  139. A.2 Index To Charts
  140. Board Layout
  141. A.2.01 Main Controller Board (FJIM)
  142. A.2.02 Operator Panel Board (LEOP)
  143. A.2.03 Power Supply Assembly
  144. A.2.04 Space Motor Board
  145. A.2.05 RS232-C Serial Interface Board - Option (LXHI)
  146. B Illustrated Parts Listing B.1 Overview - B.1.01 General Information
  147. Format
  148. Current Part Numbers
  149. B.1.02 Definition of Terms
  150. B.1.03 Parts Ordering Information
  151. B.2 Charts
  152. Overview
  153. B.2.01 Printer
  154. B.2.02 Upper Cover Assembly
  155. B.2.03 Printer General Assembly
  156. B.2.04 Printer Unit
  157. B.2.05 Printer Unit
  158. B.2.06 Printer Unit
  159. B.2.07 Carriage Assembly
  160. B.2.08 Options
  161. B.2.09 Option Parts
  162. B.2.10 Consumables
  163. B.2.11 Packing Materials
  164. B.2.12 Documentation
  165. B.2.13 Service Training Kit Revision List
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