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Canon iR4570 Series Service Manual

Also see for iR2270 Series: Product descriptionPrinter guideUser guideService manualService manual

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Contents
  1. service manual
  2. Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
  7. Table Of Contents
  8. Table Of Contents
  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. Table Of Contents
  17. Table Of Contents
  18. Table Of Contents
  19. Table Of Contents
  20. Table Of Contents
  21. Table Of Contents
  22. Table Of Contents
  23. System Construction
  24. Delivery Accessory System Configuration 2
  25. Delivery Accessory System Configuration 3
  26. Pickup/Original Handling Accessories System Configuration
  27. Reader Heater System Configuration
  28. Cassette Heater System Configuration 1
  29. Cassette Heater System Configuration 2
  30. Side Deck Heater System Configuration
  31. Printing/Transmitting Accessories System Configuration
  32. List of Print Transmission Optional Functions
  33. Product Specifications
  34. Cross Section
  35. Using the Machine
  36. When Turning Off the Main Power Switch
  37. Control Panel
  38. User Mode Items
  39. Setting the Time
  40. System Control Settings
  41. Copy Settings
  42. Printer Settings
  43. Address Book Settings
  44. Maintenance by the User
  45. Inspection
  46. Safety
  47. Handling the Laser Unit
  49. Function List
  50. Printing Speed
  51. Types of Paper
  52. Contents
  53. Table Of Contents
  54. Making Pre-Checks
  55. Before Starting the Work (230V)
  56. removing the packaging
  57. Installing the Toner Bottle
  58. Installing the Drum Unit
  59. Securing the Copier Main Unit
  60. Connecting the Cable
  61. APVC Correction of the Drum
  62. Adjusting the Image Position
  63. If Not Connected to a Network
  64. Checking the Connection to the Network
  65. Troubleshooting the Network
  66. Checking the Images/Operations
  67. Installing the Card Reader
  68. Installation Procedure
  69. Installation in a NetSpot Accountant (NSA) Environment
  70. Installing the NE Controller
  71. Construction
  72. Major PCB Wiring diagram
  73. Basic Sequence
  74. Construction and Mechanisms
  75. Construction of the Electrical Circuitry
  76. Start-Up Sequence
  77. Shut-Down Sequence
  78. Image Processing
  79. Reader Unit Input Image Processing
  80. Compressio/ Extesion/ Editing Block
  81. Printer unit Output Image Processing
  82. Flow of Image Data
  83. Flow of Image Data for the SEND Function
  84. Flow of Image Data for the Fax Transmission
  85. Flow of Image Data for the PDL Function
  86. Main Controller PCB
  87. SDRAM
  88. Boot ROM
  89. Removing the Counter PCB
  90. Contents
  91. Parts Replacement Procedure
  92. Specifications, Control Mechanisms, and Functions
  93. Major Components
  94. Construction of the Control System
  95. Reader Controller PCB
  96. Basic Sequence of Operation at Power-On
  97. Basic Sequence of Operation in Response to a Press on the Start Key (ADF mode; 1 original )
  98. Controlling the Scanner Drive System
  99. Contact Image Sensor (CIS)
  100. Analog Control Inside the Contact Image Sensor
  101. Enlargement/Reduction
  102. Detecting the Size of Originals
  103. Outline of Size Identification
  104. Dirt Sensor Control
  105. Outline
  106. CCD Drive
  107. A/D Conversion of the CCD Output
  108. Copyboard glass
  109. Before Replacing the Reader Controller PCB
  110. Removing the flexible cable cover
  111. Removing the Reader Controller PCB
  112. After Replacing the Reader Controller PCB or After Initializing the RAM
  113. Scanner Motor
  114. Contact sensor
  115. Removing the Copyboard Glass
  116. Removing the Contact Image Sensor (CIS)
  117. After Replacement of the CIS
  118. Contact Sensor HP Sensor
  119. Removing the ADF Reading Glass
  120. Removing the Contract Sensor Home Position Sensor
  122. Removing the Original Size Sensor
  123. Reader Heater (option)
  124. Removing the Reader Heater (right)
  125. Removing the Reader Heater (left)
  127. Specifications, Control Mechanism, and Functions
  130. Various Controls
  131. Main Scanning Synchronous Control
  132. Controlling the Intensity of Laser Light
  133. Controlling the Laser Scanner Motor
  134. Laser Scanner Unit
  135. Contents
  136. Table Of Contents
  138. Specifications of the Image Formation System
  139. Major Components of the Image Formation System
  140. Image Formation Process
  141. Image Formation Process (image formation)
  142. Sequence of Operation (initial rotation)
  143. Sequence of Operation (copying)
  144. Sequence of Operation (last rotation)
  146. Image Stabilization Control
  147. ATVC Control
  148. Drum Unit
  149. Drum Cleaner Unit
  150. Developing Unit
  151. Toner Container
  152. Route of Toner Supply
  153. Controlling the Drive of the Toner Cartridge
  154. Toner Supply Control
  155. Toner Level Detection
  156. Transfer Unit
  157. Cleaning
  158. Transfer Mechanism
  159. Photosensitive Drum Cleaning
  160. Pre-Exposure Lamp
  161. Removing the Drum Unit
  162. developing assembly
  163. Removing the Upper Tray
  164. Removing the Front Cover Unit
  166. Hopper Assembly
  167. Removing the Toner Cartridge
  168. Removing the Toner Cartridge Cover
  169. Removing the Left Cover
  170. Sub Hopper
  174. Removing the Pre-Exposure Lamp
  175. Removing the Toner Feedscrew Motor
  176. Removing the Sub Hopper
  177. Developing Assembly
  178. Removing the Waste Toner Case
  179. Developing Cylinder
  180. Removing the Developing Cylinder
  181. Waste Toner Box
  182. Toner Level Sensor
  185. Removing the Laser Unit
  186. Removing the Toner Level Sensor
  192. Static Charge Eliminator
  193. Contents
  194. Table Of Contents
  195. Specifications, Controls, and Functions
  196. Division into Blocks
  198. Arrangement of Rollers
  200. Diagram of Paper Paths (printer on its own)
  201. Diagram of Paper Paths (w/ copy tray )
  202. Diagram of Paper Paths (w/ 3 Way Unit-A1 /copy tray)
  203. Diagram of Paper Paths (w/ Finisher-S1/copy tray)
  204. Diagram of Paper Paths (w/ Finisher-Q3/Saddle Finisher-Q4)
  205. Arrangement of Sensors
  207. Route of Drive
  208. Increase in Speed
  210. Detecting Jams
  211. Stationary Jams
  212. Stationary Jam at Power-On
  213. Cassette Pick-Up Unit
  214. Identifying the Paper Size
  215. Setting Up the Universal Cassette
  216. Paper Level Sensor
  217. Manual Feed Pickup Unit
  218. Basic Sequence of Operation
  219. Paper Retaining Mechanism
  220. Registration Unit
  221. Duplex Feeding Unit
  222. Overview
  223. Sequence of Image Formation
  225. Flow of Paper (w/o/ delivery option)
  226. Flow of Paper (w/ delivery option)
  227. Flow of Paper
  228. Pick-up Unit 1
  229. Removing the Right Door
  230. Removing the Right Cover (lower front)
  231. Pick-up Unit 2
  232. Pickup Roller
  234. Removing the Pickup Assembly 1
  235. Mounting the Sensor Mounting Plate
  236. Cassette Pick-up Motor 1
  237. Removing the Pickup Motor Base
  238. Removing the Right Cover (rear)
  239. Removing the Cassette Pickup Motor 2
  242. Removing the Pickup Assembly 2
  243. Cassette Retry Paper Sensor
  247. Removing the Sensor Mounting Plate
  248. Removing the Cassette Retry Paper Sensor
  252. Removing the Cassette Paper Sensor
  257. Removing the Cassette Paper Level Sensor (A/B)
  259. Removing the Manual Feed Unit
  260. Removing the Manual Tray Unit
  261. Removing the Slide Resistor
  264. Removing the Cassette Pickup Solenoid
  265. Cassette Size Sensor Relay PCB
  268. Removing the Cassette Size Sensor Relay PCB
  272. Removing the Manual Feed Tray Assembly
  274. Manual Pickup Roller
  278. Removing the Manual Feed Pickup Roller
  279. Removing the Rear Cover
  280. Removing the Main Power Switch
  281. Manual Separation Pad
  285. Removing the Manual Feed Separation pad
  286. Removing the Main Drive Assembly
  287. Feeding Roller
  292. Removing the Vertical Path Roller
  294. Removing the Duplex Feed Roller 2
  295. Duplex Feed Sensor
  297. Removing the Duplex Feed Sensor
  298. Duplex Feed Clutch
  299. Delivery Assembly 1
  302. delivery assembly
  306. Removing the Fixing Unit
  307. Fixing/ Delivery Drive Assembly
  308. Separation Roller
  310. Power-On Sequence
  311. Various Control Mechanisms
  312. Controlling the Fixing Film Temperature
  313. Copying Temperature Control
  314. Temperature Control in Response to Change of Paper Size
  315. Detecting the Passage of Paper
  316. Protective Functions
  317. Detecting an Error
  318. Fixing Unit
  321. Pressure Roller
  322. Removing the Fixing Film Cover
  323. Removing the Left Side Plate
  324. Releasing the Locking Plate
  325. Removing the Inlet Guide
  326. Removing the Pressure Roller
  327. Cleaning Roller
  328. Fixing Film
  331. Removing the Fixing Film Unit
  332. Internal Delivery Sensor
  336. Removing the Inside Delivery Sensor
  337. Fixing Film Sensor
  339. LCD Indication Processing
  340. Adjustment of the LCD Contact
  341. Counters
  342. Timing of Increasing the Count
  343. Fans
  344. Sequence of Operation
  345. Power Supply System
  346. Power Supply Route in the Reader Unit
  347. Timing of Supply to the Reader Unit
  348. Rated Output of the DC Power Supply PCB
  349. Rated Output of the Controller Power Supply PCB
  350. Rated Output of the All-Night Power Supply PCB
  351. Energy-Saving Function
  352. Machine as Supplied with Power
  353. Main Drive Assembly
  354. Power Supply Unit
  355. Removing the Left Cover (lower)
  356. Removing the Main Power Supply
  357. Removing the Control Panel
  358. Control Panel LCD Unit
  359. Removing the Control Panel Base Cover
  360. Removing the Control Panel LCD
  361. Control Panel Inverter PCB
  362. Removing the Control Panel Inverter PCB
  364. Removing the Control Panel Frame
  365. Control Panel CPU PCB
  366. All Night Power Supply PCB
  367. Removing the All-Night Power Supply PCB
  368. Removing the Left Cover (Rear)
  369. Option Power Supply PCB
  371. High-Voltage PCB
  380. Removing the Gear
  381. Exhaust Fan
  382. Removing the Heat Discharge Fan
  383. Motor of Main Drive Assembly
  384. Removing the Main Drive Motor
  385. Fixing Driver Motor
  386. Removing the DC Controller PCB
  387. Removing the Fixing Drive Motor
  389. Circuit Braker
  390. Removing the Circuit Breaker
  392. MEAP Counter
  393. Construction of the MEAP Platform
  394. Contents
  395. Table Of Contents
  396. Periodically Replaced Parts
  397. Durables and Consumables
  398. Scheduled Servicing Basic Procedure
  399. Scheduled Servicing Basic Procedures
  400. Points to Note About the Scheduled Servicing
  401. Cleaning the Transfer/Feed Guide
  402. Cleaning the Film Bias Static Eliminator
  404. Image Adjustments
  405. Cassette
  406. Manual Feed Tray
  407. Scanning System
  408. Laser Exposure System
  409. After Replacing the Developing Unit
  410. Electrical Components
  411. Pickup/Feeding System
  412. duplex unit
  413. Making lnitial Checks
  414. Checking the Units and Functional Systems
  415. Others
  416. Troubleshooting
  417. Partially Blank/Streaked
  418. Smudged/Streaked
  419. Ghost/Memory
  420. Malfunction
  421. Noise
  422. Outline of Electrical Components
  423. Motor
  425. Sensor
  426. Switch
  427. Lamps, Heaters, and Others
  428. PCBs
  429. Variable Resistors(VR), Light-Emitting Diodes(LED),and Check Pins by PCB
  430. Points to Note About the Leakage Breaker
  431. Contents
  432. Table Of Contents
  433. Error Code Table
  434. Error Code Details
  435. E602 in Detaill
  436. Error Code (SEND)
  437. Error Codes
  438. Jam Code
  439. Jam Code (finisher-related)
  440. Jam Code (ADF-related)
  441. Alarm Code
  442. Finisher/Saddle Finisher Error Codes
  443. DADF Error Codes
  444. Construction of Service Mode
  445. Starting Service Mode and Making Selections
  446. Ending Service Mode
  447. nd/3rd Item Screen
  448. DISPLAY（Status Display Mode）
  449. FEEDER
  450. I/O （I/O Display Mode）
  451. DC-CON>
  452. R-CON>
  453. FEEDER>
  454. SORTER>
  455. ADJUST（Adjustment Mode）
  456. FEEDER List
  457. SORTER
  458. FUNCTION （Operation/Inspection Mode）
  460. OPTION （Machine Settings Mode）
  461. Sorter List
  462. BOARD
  463. TEST （Test Print Mode）
  464. COUNTER （Counter Mode）
  465. Special Tools
  466. special tools
Canon iR4570 Series Service Manual Manual pdf 463 page image
Chapter 88-1478.8.27 Separation Roller8.8.27.1 Removing the PickupRoller/Feed Roller/Separation Roller 0008-3155iR2270 / iR2870 / iR3570 / iR45701) Slide out the cassette.2) Open the right door (in the case of the separationroller).3) Pick the tabs of the individual rollers, and detachthe pickup roller [1], feed roller [2], and separationroller [3].F-8-437Point to Note When Replacing the Feed/SeparationRoller 1The collar (roller core) of the machine's feed/separation roller is black.
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This manual is suitable for:
iR2270 SeriesiR2870 SeriesiR3570 SeriesiR4570 Series
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