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Canon NP6512 Service Manual

Also see for NP6512: Service manual

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. I. FEATURES
  7. II. SPECIFICATIONS
  8. III. NAMES OF PARTS
  9. ADF Type
  10. B. Cross Section
  11. IV. USING THE MACHINE
  12. B. User mode
  13. USER
  14. if jams occur frequently
  15. VI. IMAGE FORMATION
  16. basic operation
  17. I. BASIC OPERATIONS
  18. B. Outline of Electrical Circuitry
  19. C. Basic Sequence of Operations
  20. D. Controlling the Main Motor (M1)
  21. E. Inputs to and Outputs from the DC Controller
  22. I. OPERATIONS
  23. A. Outline
  24. B. Varying the Reproduction Ratio
  25. C. Lens Drive System
  26. D. Scanner Drive System
  27. a. scanner drive assembly
  28. outline of the scanner drive cable
  29. b. lens drive assembly
  30. c. exposure system
  31. removing the thermal fuse
  32. image formation system
  33. I. IMAGE FORMATION SYSTEM
  34. B. Timing Chart for the Image Formation System
  35. C. Primary Charging Roller Bias Control
  36. D. Controlling the Transfer Roller Bias
  37. Separation Static Eliminator Bias
  38. Originals
  39. G. Controlling the Pre-Exposure Lamp
  40. H. Controlling the Side Blanking Mechanism
  41. II. DEVELOPING ASSEMBLY CLEANING ASSEMBLY
  42. B. Detecting the Level of Toner
  43. C. Detecting Waste Toner
  44. D. Primary Charging Roller Cleaning Control
  45. III. DISASSEMBLY/ASSEMBLY
  46. A. Drum Unit
  47. removing the drum unit
  48. after replacing the drum unit
  49. B. Transfer Charging Assembly
  50. C. Blank Exposure
  51. D. Developing Assembly
  52. I. PICKUP/FEEDING SYSTEM
  53. B. Controlling the Pickup Roller
  54. C. Controlling the Movement of Paper
  55. D. Detecting Jams
  56. delivery delay jam
  57. II. DISASSEMBLY/ASSEMBLY
  58. A. Pickup Assembly
  59. B. Multifeeder Assembly
  60. removing the separation pad
  61. C. Feeding Assembly
  62. D. Registration Roller Assembly
  63. removing the registration roller
  64. E. Delivery Assembly
  65. B. Controlling the Fixing Temperature
  66. II. POWER SUPPLY SYSTEM
  67. B. Power Supply Circuit
  68. C. Detecting an Error on the Com posite Power Supply PCB
  70. A. External Covers
  71. B. Control Panel
  72. C. Copyboard Glass
  73. D. Main Motor/Main Drive Assem bly
  74. E. Electrical System
  75. supply pcb
  76. power supply pcb
  77. Table Of Contents
  79. B Basic Construction
  80. C. Basic Operations
  81. D. Detecting an Original
  82. E. Pickup Operation
  83. F. Delivery
  84. G. Controlling the Pickup Motor
  85. H. Controlling the Belt Motor
  86. I. Detecting Original Jams
  87. J. Power Supply
  89. A. Removing the ADF
  90. B. External Covers
  91. C. Drive System
  92. D. Feeding System
  93. registration roller
  95. I. SELECTING THE SITE
  96. II. UNPACKING AND INSTALLATION
  97. installing the drum unit
  98. connecting the power cord
  99. adjusting the machine
  100. B. Placing Copy Paper
  101. III. MOVING THE MACHINE
  102. I. PERIODICALLY REPLACED PARTS
  103. troubleshooting
  104. INSPECTION
  105. B. Points to Note for Servicing
  106. II. STANDARDS AND ADJUSTMENTS
  107. C. Electrical
  108. checking the photointerrupters
  109. III. TROUBLESHOOTING IMAGE FAULTS
  110. B. Sample Image Faults
  111. C. Troubleshooting Image Faults
  112. the back of the copy is soiled
  113. the copy has a fixing fault
  114. the copy has a blurred image
  115. the copy has horizontal fogging
  116. the copy is blank
  117. IV. TROUBLESHOOTING MALFUNCTIONS
  118. the scanner fails to move forward
  119. the scanning lamp fails to turn on
  120. the fixing heater fails to turn on
  121. PROBLEMS
  122. pickup assembly
  123. B. Faulty Feeding
  124. VI. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS
  125. B. Switches
  126. C. Lamp, Heater, Motor, Etc
  127. d. pcbs
  128. e. adf
  129. Check Pins by PCB
  130. VII. SERVICE MODE
  131. ending service mode
  132. C. Adjustment Mode (30)
  133. D. Operation/Inspection Mode (40)
  134. E. Machine Settings Mode (50)
  135. VIII. SELF DIAGNOSIS
  136. A. GENERAL TIMING CHART
  137. B. SIGNALS AND ABBREVIATIONS
  138. C. GENERAL CIRCUIT DIAGRAM
  139. D. DC CONTROLLER CIRCUIT DIAGRAM
  140. E. ADF CONTROLLER CIRCUIT DIAGRAM
  141. CIRCUIT DIAGRAM
  142. G. CONTROL PANEL CIRCUIT DIAGRAM
  143. H. AE SENSOR CIRCUIT DIAGRAM
Canon NP6512 Service Manual Manual pdf 369 page image
CHAPTER 11 TROUBLESHOOTINGCOPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-83C. Lamp, Heater, Motor, Etc.Figure 11-603DescriptionScanning lampFixing heaterMain motorScanner/lens drive motorScanner cooling fanFixing heater temperature detectionScanner temperature detectionLamp overheating detectionFixing heater overheating detectionFixing film varistorTransfer guide varistorSymbol NameLampHeaterMotorFan motorThermistorThermal fuseVaristorNotationLA1H1M1M2FM1TH1TH2FU1FU2VZ1VZ2RemarksMM2M1FU1LA1FM1VZ1H1VZ2TH2TH1FU2
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This manual is suitable for:
NP6512NP6612NP7120NP7130NP7130F
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