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Xerox 7750DXF - Phaser Color Laser Printer Service Manual

Also see for Phaser 7750: User guideInstallation guideSetup guideSupplementary guideBrochure

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Contents
  1. service manual
  2. service terms
  3. symbols marked on the product
  4. power source
  5. general guidelines
  6. servicing electrical components
  7. regulatory specifications
  8. european union
  9. Table Of Contents
  10. Table Of Contents
  11. Table Of Contents
  12. Table Of Contents
  13. Table Of Contents
  14. Table Of Contents
  15. Table Of Contents
  16. Printer Introduction and Overview
  17. Phaser 7750 Printer Configurations
  18. Parts of the Printer
  19. Exterior - Rear View
  20. Phaser 7750 Front Panel Configuration
  21. Image Processor Board and Rear Panel Host Interface
  22. Routine Maintenance Items and Consumables
  23. Printer Specifications
  24. Mounting Surface Specification
  25. general information
  26. Functional Specifications
  27. Environmental Specifications
  28. Summary of the Phaser 7750 Print Process
  29. Paper Path of the Printer
  30. Paper Size Sensing
  31. sided printing
  32. Fuser
  33. EAHG Toner
  34. Technology Overview
  35. Drive Power
  36. System Power Supplies
  37. ROS and Regicon Technology Overview
  38. RegiCon Overview
  39. Skew (Fine) Setup
  40. View the RegiCon Patterns
  41. Sensors
  42. ATC Sensors
  43. ADC Sensor
  44. ADC Output Check
  45. theory of operation
  46. Lower Tray Feeders Sensor and Board Locations
  47. error messages
  48. Accessing the Printer's Error History
  49. Service Checklist
  50. Service RIP (Every Call) Procedures
  51. Using the Troubleshooting Procedures
  52. Power On Self Test (POST)
  53. POST Faults
  54. post diagnostic test descriptions
  55. error messages and codes
  56. Black ATC Sensor Failure, Code 15
  57. Transfer Roller Retract Failure, Code 21
  58. st BTR Contact or Retract Failure
  59. Accumulator Belt Home Position Took Too Long, Code 30 Accumulator Belt Home Position Failure, Code 31
  60. Accumulator Belt Edge Sensor Failure, Code 32 Accumulator Belt Drive Logic Failure, Code 34
  61. Unexpected Accumulator Belt Home Sensor Signal, Code 33
  62. Fuser Main Lamp Failure, Code 35
  63. Install or Reseat Fuser, Code 41
  64. Fuser STS (Front) Warm Time Failure, Code 42
  65. Fuser Sub Lamp Overheat Failure, Code 44
  66. Fuser STS (Rear) Failure, Code 45
  67. Fuser STS (Rear) Warm Time Failure, Code 46
  68. Fan Failure, Code 48
  69. Imaging Unit Motor Failure, Code 60
  70. Black Imaging Unit Motor Failure
  71. Waste Cartridge Full Detection Sensor Failure, Code 78
  72. Engine Logic Board Failure, Code 80
  73. Engine Logic Board NVRAM Failure, Code 83
  74. Tray Lift Failure, Code 87
  75. Tray 1/MPT Size Sensor (7-274), Code?
  76. Lower Tray Communication Failure, Code 88
  77. Reflective Sensor Procedure
  78. Transmissive Sensor Procedure
  79. Finisher Stapler Move Sensor On Failure, Code 111 Finisher Stapler Move Sensor Off Failure, Code 112
  80. Finisher Stapler Failure, Code 113
  81. Front Tamper Home Sensor Failure, Code 114
  82. Rear Tamper Home Sensor Failure, Code 115
  83. Finisher Stacker Height Sensor Off Failure, Code 116
  84. Finisher Stacker Tray Failure, Code 117
  85. Finisher Stapler Front Corner On Failure, Code 118 Finisher Stapler Front Corner Off Failure, Code 119
  86. Finisher Eject Clamp Home Sensor On Failure, Code 120 Finisher Eject Clamp Home Sensor Off Failure, Code 121
  87. Finisher Decurler Failure, Code 122
  88. Finisher Set Clamp Failure, Code 123
  89. Finisher Communication Failure, Code 124
  90. troubleshooting
  91. Introduction
  92. Service Diagnostic Front Panel Button Descriptions
  93. general troubleshooting
  94. The Printer Does Not Come to a "Ready" State
  95. Inoperable Printer Troubleshooting
  96. Troubleshooting AC Power
  97. Troubleshooting the Low-Voltage Power Supplies
  98. VDC Low-Voltage Power Supplies
  99. Interlock Circuit Diagram
  100. Media-Based Problems
  101. Troubleshooting (TCP/IP)
  102. Windows NT 4.x Troubleshooting (TCP/IP)
  103. Windows 98 and Windows Me Troubleshooting
  104. Macintosh Troubleshooting
  105. Novell NetWare Troubleshooting
  106. Print-Quality Problems Overview
  107. Front Panel Test Prints
  108. Color Test Pages
  109. Analyzing the Test Pattern
  110. Solid Fill Pages
  111. Repeating Defects Page
  112. Engine Test Prints
  113. Print Halftones
  114. Print Fast Scan 8 Tone
  115. Initial Actions Before troubleshooting any Print-Quality Problems:
  116. Registration Control (RegiCon) Adjustment Overview
  117. Coarse and Fine Skew Adjustments
  118. Center Skew Adjustment
  119. RegiCon Adjustment Procedures
  120. RegiCon #1 Fine Skew Adjustment
  121. RegiCon #2 In/Out Skew Adjustment
  122. RegiCon #3 Center Skew Adjustment
  123. RegiCon #4 Coarse Skew Adjustment
  124. adjustments and calibrations
  125. Coarse RegiCon Initialization
  126. ATC Sensor Setup
  127. Additional Information
  128. Resetting NVRAM
  129. Service Diagnostics NVRAM Resets
  130. Clear Tech Rep Faults
  131. Service Preventive Maintenance Procedure
  132. service preventive maintenance procedure
  133. service parts
  134. Standard Orientation of the Printer for Disassembly
  135. General Notes on Disassembly
  136. replacement procedure
  137. replacement procedures
  138. dispense assembly
  139. main drive assembly
  140. Print Engine
  141. Optional Lower Trays
  142. serial number format
  143. using the parts list
  144. Parts List 1.1 Drive Unit
  145. Part List 1.2 Main Drive Motor Assembly
  146. Part List 1.3 Steering Motor and MOB
  147. Part List 2.1 Tray 2
  148. Part List 2.3 Tray Feeder and Left Lower Cover Assy
  149. Part List 2.4 Tray 2 Feeder
  150. Part List 2.6 Registration Transport
  151. Part List 2.7 Left Cover Unit
  152. Part List 2.8 Left Cover Assembly: 1 of 2
  153. Part List 2.9 Left Cover Assembly: 2of 2
  154. Part List 2.10 Exit Transport Assembly
  155. Part List 2.14 Tray 1 Feed Assembly
  156. Part List 3.1 Laser (ROS) Assembly
  157. Part List 4.1 Xerographic Module: 1 of 2
  158. Part List 4.2 Xerographic Module: 2 of 2
  159. Part List 5.1 Lift Unit
  160. Part List 5.2 Accumulator Belt Assembly
  161. Part List 5.6 Accumulator Belt Elevator
  162. Part List 6.1 Developer Unit: 1 of 2
  163. Part List 6.2 Developer Unit: 2 of 2
  164. Part List 7.1 Fuser Assembly
  165. Part List 8.1 Air System
  166. Part List 9.1 Electrical Components: 1 of 3
  167. Part List 9.2 Electrical Components: 2 of 3
  168. Part List 9.3 Electrical Components: 3 of 3
  169. Part List 10.1 Front Cover
  170. Part List 10.2 Top Cover and Front Panel
  171. Part List 10.3 Rear Cover
  172. Part List 11.1 Inverter Transport
  173. Part List 12.1 Duplex Unit Assembly
  174. Part List 13.1 Image Processor and Engine Control Boards
  175. Part List 16.1 Lower Trays 3/4/5 Assembly
  176. Part List 16.5 Lower Trays Paper Feeder: 1 of 2
  177. Part List 16.6 Lower Trays Paper Feeder: 2 of 2
  178. Part List 16.13 Left Cover Assembly (LTD)
  179. Part List 16.14 Tray 4/5 Lift Gear Assembly
  180. Part List 16.15 Electrical Components and Caster
  181. Part List 16.16 Lower Tray Deck
  182. Hardware Kits
  183. wiring diagrams
  184. Plug/Jack Locations
  185. Plug/Jack Locator Maps
  186. Wiring Diagrams
  187. phaser 7750
  188. Phaser 7750 Finisher
  189. Finisher Specifications
  190. Finisher Assemblies
  191. Internal Assemblies of the Finisher
  192. Horizontal Transport Sensor, Interlock and Switch Locations
  193. Finisher Sensor, Interlock and Switch Locator Map
  195. Finisher Disassembly
  196. Horizontal Transport Assembly
  197. Horizontal Transport Top Open, Front, and Rear Cover
  198. Horizontal Transport Entrance Upper Cover Assembly
  199. Horizontal Transport Belts
  200. Top Tray Full Sensor
  201. Gate-In Solenoid Assembly
  202. Finisher Covers
  203. Stack Height-Sensor Assembly
  204. Stacker Paper-Sensor Assembly
  205. Set Clamp Clutch and Gear
  206. Eject Roll Assembly
  207. Finisher Control Board, Bracket and Shield
  208. Stacker Motor Assembly
  209. Paddle Shaft
  210. Paper Transport Motor (Motor Assembly Main)
  211. Cam Bracket Assembly
  212. Staple Unit Assembly and Motor
  213. Compiler Tray
  214. Finisher Wiring Diagrams
  215. Finisher Service Parts List
  216. PL 17.2 Gate Assembly
  217. PL 17.3 Horizontal Transport Assembly: 1 of 2
  218. PL 17.4 Horizontal Transport Assembly: 2 of 2
  219. PL 17.5 Covers
  220. PL 17.6 Top Cover and Eject Roll
  221. PL 17.7 Paper Transport: 1 of 2
  222. PL 17.8 Paper Transport: 2 of 2
  223. PL 17.9 Staple Unit Assembly
  224. PL 17.10 Compiler Tray Assembly
  225. PL 17.11 Stacker Elevator Assembly
  226. PL 17.12 Exit Assembly
  227. PL 17.13 Electrical Components
  228. PL 17.14 Finisher Rack (Stand)
  229. Menu Map
  230. Service Diagnostic Menu Map
  231. Service Usage Profile Status Codes
  232. Missing Chain Link Codes Definitions
  233. Paper Weight Equivalence Table
Xerox 7750DXF - Phaser Color Laser Printer Service Manual Manual pdf 430 page image
11-14 Phaser 7750 Printer Service ManualHorizontal Transport Belts1. Remove the horizontal transport covers, see page 11-12.2. Remove the KL-clips from the horizontal transport in and out.3. Remove the bearings from the horizontal transport in and out shafts.4. Remove one end of each horizontal transport belt roller support.5. Remove the belts.ReplacementNoteWhen reinstalling the belts, ensure that the textured side is out.NoteIf necessary, remove the KL-clip and gear from the out roller to reinstall the beltsto help install the bearing.
/ 505
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This manual is suitable for:
Phaser 7750Phaser 7750BPhaser 7750DNPhaser 7750DXFPhaser 7750GX
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