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Xerox Phaser 840 Service Manual

Also see for Phaser 840: Installation guideSupplementary guideSupplementary guideTray Module Installation GuideRapid release guide

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Contents
  1. user safety summary
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
  7. list of tables
  8. list of figures
  9. General Information
  10. Phaser 840 Printer Overview
  11. Phaser 850 Printer Overview
  12. Phaser 860 Printer Overview
  13. Solid inks
  14. Phaser 840/850 RAM and Printer Capabilities
  15. Memory Considerations Phaser 840/850
  16. Phaser 860 RAM and Printer Capabilities
  17. Memory Considerations Phaser 860
  18. Print Engine Assemblies 840/850/860
  19. Circuit Boards
  20. Printhead Maintenance System
  21. Sensor Maps
  22. Combination sensors and their meanings
  23. The Main Board
  24. Front Panel - Phaser 840/850 Printers
  25. Front Panel - Phaser 860
  26. Rear Panel Connections
  27. Rear Panel Status LEDs
  28. Phaser 840, 850 and 860 Printer Differences
  29. Specifications
  30. Regulatory Specifications
  31. Error Codes and Messages
  32. Phaser 860 Power-Up Error Messages and LED Codes
  33. POST (Power On Self Test)
  34. Fault Codes
  35. error code
  36. Troubleshooting
  37. macintosh printing problems
  38. Network Event Logs
  39. Electronics Troubleshooting
  40. Inoperative printer problems
  41. Verifying print engine operation by printing a built in page
  42. Inspecting the power supply fuses
  43. Testing for shorted drivers
  44. Testing for a shorted motor
  45. Paper Path and Media-based Problems
  46. Print transfer jams
  47. Media skews passing through the paper path
  48. Print Image Quality Problems
  49. Missing ink or light colored ink band running length of print
  50. Color is uneven
  51. Streaks or lines down the print
  52. Scratches parallel to the long axis of printing, particularly with film
  53. Printing too light or too dark
  54. White portion of print is colored
  55. Fuzzy Text
  56. Poor primary color fills
  57. Ghosting
  58. Poor small text resolution
  59. Vertical line appear wavy
  60. Oil streaks on print
  61. Incomplete image transfer to paper
  62. Ink smears on first side of duplex print
  63. Repeating print defects on print
  64. Wrinkling
  65. Image is offset or cut off
  66. Evaluating the printhead and cap/wipe/purge system
  67. Troubleshooting following cap/wipe/purge installation
  68. Macintosh printing problems
  69. Printer isn't in the Chooser
  70. Windows printing problems
  71. Front Panel Shortcuts
  72. Hidden Service Menu
  73. Built-in Diagnostics (Phaser 860 Only)
  74. Check Menu Value Keys and Descriptions (Phaser 860 only)
  75. Check Value Menu Parameters
  76. Adjustments
  77. Selecting Duplex (2-sided) Oil Chase
  78. Locking the printhead
  79. Process belt tension adjustment
  80. Exit roller drive belt tension adjustment
  81. Y-axis belt tension adjustment (Phaser 840 printer)
  82. Y-axis belts tension adjustment (Phaser 850/860 printer)
  83. Printhead-to-drum spacing adjustment (Phaser 840 Printer Only)
  84. X-axis scale adjustment
  85. Cap/wipe/purge assembly belt adjustments
  86. Drum position encoder gap
  87. Transfix roller pressure spring adjustment
  88. Vacuum check (Phaser 840/850 Only)
  89. Resetting NVRAM
  90. Test Prints
  91. X-axis motion
  92. Weak/missing jet
  93. Reverse Text
  94. Gray, dot size uniformity
  95. Manuf. Dot position (scanner)
  96. Drum Seal
  97. Head-to-Drum Gap
  98. Black Solid Fill
  99. Green Solid Fill
  100. Cyan Solid Fill
  101. Yellow Solid Fill
  102. Primary Solid Fills 10x
  103. Maintenance
  104. Cleaning
  105. Pick Roller Cleaning Method
  106. Maintenance roller
  107. Lubrication
  108. Inspection
  109. Main board and its components
  110. Power supply
  111. Power control board
  112. Upper feed roller assembly
  113. Paper/drum heater
  114. Drum/transfix assembly
  115. Drum position sensor assembly (Phaser 840 printer)
  116. Drum position sensor assembly (Phaser 850/860)
  117. Printhead
  118. X-axis motor and drive assembly
  119. Y-axis belt drive assembly (Phaser 840 printer)
  120. Y-axis belt drive assembly (Phaser 850/860 printer)
  121. Wiring Diagrams
  122. Cap/wipe/purge assembly (Phaser 850/860 printer)
  123. FRU Parts List
  124. Cabinet FRU's
  125. Imaging FRU's
  126. Paper Path FRU's
  127. Motor and Fan FRUs
  128. Circuit Board FRUs
  129. Solenoid and Clutch FRUs
  130. Gear and Belt FRUs
  131. Sensor and Flag FRUs
  132. High-capacity Paper Tray Assembly
  133. Service tools
  134. Supplies and accessories
  135. parallel cable
  137. Phaser 8200 Printer Configurations
  138. Inks
  139. initial checklist
  140. Z840/z850 Electronics Troubleshooting Guide
Xerox Phaser 840 Service Manual Manual pdf 258 page image
PA - 242 Phaser 840/850/860/8200 Color Printer - Service ManualInks These inks are of a unique shape, size and formulation which are supportedonly by the Phaser 8200 Color Printer. The inks provide better brand ID, andbetter ink loading reliability. Print Quality: The same as the Phaser 860 except the color tables are optimizedfor the new ink sticks and ìDarker Fast Textî will be the default setting.MemoryThe Phaser 8200DX model will include 192 Mbytes of memory, standard.Fig 10-10 New ink sticksP8200-001
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This manual is suitable for:
Phaser 840Phaser 850Phaser 860
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