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Canon CLC 1120 Service Manual

Also see for CLC 1120: Service handbookService manualService 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. Table Of Contents
  7. Replacing the
  8. Table Of Contents
  9. Table Of Contents
  10. Table Of Contents
  11. Table Of Contents
  12. general description
  13. I. FEATURES
  14. II. SPECIFICATIONS
  15. C. Functions
  16. D. Others
  17. F. Copying Speed
  18. G. CLC Paper Deck-E1
  19. III. NAMES OF PARTS
  20. B. Cross Section
  21. IV. USING THE COPIER
  22. B. Extended Functions
  23. C. User Mode
  24. V. DAILY MAINTENANCE BY THE USER
  25. VI. SAFETY
  26. B. CDRH Regulations
  27. C. Handling the Laser Assembly
  28. D. Safety of Toner
  29. VII. IMAGE FORMATION
  30. B. Auxiliary Process
  31. basic operation
  32. I. OUTLINE OF OPERATIONS
  33. B. Electrical Circuitry
  34. II. BASIC SEQUENCE OF OPERATIONS
  35. C. Generating the Image Leading Edge Signal
  36. I. OPERATION
  37. B. Basic Sequence of Operations
  38. Scanner Home Position Sensor and Operation
  39. II. SCANNER DRIVE SYSTEM
  40. Operations
  41. III. CONTROLLING THE INTENSITY OF THE SCANNING LAMP
  42. B. Operations
  43. A. Original Exposure System
  44. Removing the Standard White Plate
  45. B. Scanner Drive Assembly
  46. I. OUTLINE
  47. II. CCD/CCD DRIVE
  48. III. ANALOG IMAGE PROCESSING
  49. IV. DIGITAL IMAGE PROCESSING
  50. B. Shading Correction
  51. C. 3-Line CCD Position Matching Circuit
  52. E. Original Position Detection Circuit
  53. Edge/Line Width Detection Circuit
  54. G. Chromatic Space Correction Circuit
  55. I. Logarithmic Correction and BGR-to-YMC Conversion
  56. Mechanism
  57. P. CMYBk/RGB Integration
  58. V. DISASSEMBLY/ASSEMBLY
  59. A. Electrical Parts
  60. Removing the Analog Processor PCB
  61. Processor PCB (IP-MAIN IP-ED, IF, IP-ECO)
  62. laser exposure system
  63. II. GENERATING THE BD SIGNAL
  64. III. LASER DRIVER CIRCUIT
  65. B. Controlling the Temperature of the Laser Unit
  66. IV. LASER SCANNER MOTOR
  67. DISASSEMBLY/ASSEMBLY
  68. Removing the Laser Scanner Unit
  69. Controller PCB/Laser Driver PCB
  70. Adjusting Laser Power
  71. Adjusting the Laser
  72. image formation system
  73. I. IMAGE FORMATION SYSTEM
  74. B. Controlling the C Sensor
  75. C. Sequence of Operations (image formation system)
  76. II. IMAGE STABILIZATION
  77. Outline
  78. Measuring the Dark Area Potential Attenuation
  79. Setting the Grid Bias and the Developing Bias
  81. Transfer Charging Current
  82. D. Controlling the Separation Charging Current
  83. E. Controlling the External/Internal Static Eliminating Current
  84. F. Controlling the Post-Cleaning Charging Current
  85. G. Controlling the Temperature of the Photosensitive Drum
  86. H. Controlling the Primary Charging Wire Cleaning Mechanism
  87. IV. DEVELOPING ASSEMBLIES
  88. B. Locking the Developing Assembly
  89. C. Controlling the Concentration of Color Toner
  90. Toner on the Developing Cylinder Assembly
  91. of the Photosensitive Drum
  92. Sequence of Measurement
  93. D. Controlling the Concentration of Black Toner
  94. Detecting Dirt on the Window
  95. Related to Control of Toner Concentration
  96. E. Supplying Toner
  97. V. PHOTOSENSITIVE DRUM CLEANER ASSEMBLY
  98. Mechanism of the Cleaning Blade
  99. Feedscrew Lock Condition
  100. VI. DISASSEMBLY/ASSEMBLY
  101. A. Photosensitive Drum Assembly
  102. When Replacing the Photosensitive Drum
  103. Cleaning the Photosensitive Drum
  104. Removing the Drum Heater
  105. Removing the Drum Heater Brush
  106. C. Charging Assembly
  107. Primary Charging Assembly
  108. Removing the Post-Cleaning Charging Assembly
  109. D. Developing Assemblies
  110. of the Y/M/C Developing Assembly
  111. Removing the Developing Cylinder
  112. Adjusting the S-B Gap
  113. Opening the Hopper
  114. Removing the Hopper Motor
  115. Removing the Toner Supply Clutch
  116. Assembly
  117. Photosensitive Drum Cleaner Blade
  118. Cleaner Scoop-Up Sheet
  119. Sheet Assembly
  120. H. Black Toner Concentration Sensor Assembly
  121. I. Cleaner Blade Reciprocating Motor
  122. K. Developing Drive Assembly
  123. and Sensors
  124. CLC1130
  127. Detecting the Presence Absence of Paper
  128. C. Detecting the Paper Size Inside the Cassette
  129. Paper Sizes and Cassettes
  130. Paper Width Basic Value
  131. D. Pickup from the Multifeeder
  132. Detecting the Size of Paper
  133. Movement of the Lifter
  134. Sequence of Operations
  135. E. Picking Up Transparencies
  136. A. Outline
  137. Arrangement of Rollers and Sensors
  138. B. Stacking Paper
  139. C. Movement of the Paper Jogging Guide Plate
  140. E. Re-Pickup from the Duplexing Unit
  142. REGISTRATION/ATTRACTION MECHANISM
  143. B. Locking and Unlocking the Registration Roller
  144. C. Controlling the Attraction Mechanism
  145. V. TRANSFER DRUM
  146. Cam Inside the Transfer Drum
  147. C. Controlling Separation
  148. Separating Paper
  149. D. Cleaning the Separation Drum Sheet
  150. External Brush
  151. VI. DETECTING JAMS
  152. A. Pickup Assembly
  153. Removing the Pickup Roller
  154. Adjusting the Pressure of the Separation Roller
  155. Registration of the Cassette
  156. Removing the Duplexing Unit Feed Roller
  157. Removing the Duplexing Unit Pickup Roller
  158. B. Multifeeder
  159. Left/Right Registration
  160. C. Duplexing unit
  161. transfer drum
  162. fixing system
  163. b. protective functions
  164. chapter 8 fixing system
  165. a. fixing assembly
  166. b. fixing cleaner assembly
  167. mounting the fixing upper
  168. mounting the fixing lower
  169. c. oil applying assembly
  170. d. internal delivery assembly
  171. e. drive assembly
  172. iii. counters
  173. iv. fans
  174. a. supplying power
  175. c. protection system
  176. d. backup battery
  177. vi. editor
  178. vii. disassembly/assembly
  179. a. covers
  180. b. control panel
  181. c. editor
  182. d. flywheel
  183. f. drive system belt layout
  184. mounting the drum motor
  185. h. main motor (m4) drive
  186. i. cpu pcb
  187. j. hvt pcb
  188. paper deck
  189. b. pickup
  190. chapter 10 paper deck
  191. d. deck lifter
  192. iii. disassembly/assembly
  193. a. external covers
  194. c. drive system
  195. d. feeding system
  196. orientation of the deck pickup
  197. a. unpacking
  198. collection case
  199. c. supplying fixing oil
  200. f. supplying the starter
  201. g. checking the images and
  202. paper size
  203. setting the board
  204. checking operations
  205. maintenance and
  206. troubleshooting
  207. Table Of Contents
  208. a. image adjustment system
  209. b. exposure system
  210. c. image formation system
  211. d. pickup/feeding system
  212. e. fixing system
  213. f. externals/controls
  214. g. paper deck
  215. h. electrical system
  216. a. making initial checks
  217. checking the paper
  218. b. standard images
  219. the copy has a fixing fault
  220. the copy is blank
  221. the copy is solid black
  222. ac power is absent
  223. dc power is absent
  224. the scanning lamp fails to turn on
  225. the registration roller fails to rotate
  226. the fixing heater fails to turn on
  227. the drum heater fails to operate
  228. pickup assembly
  229. double feeding
  230. a. sensors
  231. e. fans
  232. sensors and switches
  233. check pins by pcb
  234. lamp regulator pcb
  235. vii. service mode
  236. starting service mode and making selections
  237. c. i/o (i/o display mode)
  238. f. option (settings mode)
  239. g. pg (test print)
  240. viii. self diagnosis
  241. b. rdf
  242. c. sorter
Canon CLC 1120 Service Manual Manual pdf 212 page image
CHAPTER 6 IMAGE FORMATION SYSTEM6-60 COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)5. Removing the Drum Heater1) Remove the photosensitive drum.2) Remove the two screws (M4x12) [1], anddetach the photosensitive drum flange(front) [2].Figure 6-6153) Disconnect the connector [3], and pull outthe drum heater [4].Figure 6-6164) Lift off the photosensitive drum asshown.Figure 6-617[1][2][4][3]
/ 901
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CLC 1120CLC 1130CLC 1150
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