Canon imageFORMULA P-208 Service Manual With Parts Catalog

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SERVICE

MANUAL

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imageFORMULA

P-208

P-208II

March 11, 2015

Rev. 0

CANON imageFORMULA P-208/P-208II Rev. 0 PRINTED IN U.S.A.

Table of Contents

Troubleshooting

Summary of Contents for Canon imageFORMULA P-208

Page 3 This is one way of fostering response for ensuring prolonged quality and function, and for investigating the cause of trouble during troubleshooting. Quality Assurance Center Canon Electronics Inc. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 4: Table Of Contents
............2-18 III. MAINTENANCE........4-4 1. Layout of Electrical Components ..2-18 1. User Maintenance.......4-4 VIII. PARTS LAYOUT ON EACH PCB ..2-19 2. Service Maintenance ......4-5 1. Control PCB ........2-19 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 5 F. Scan test ..........5-29 1. Scan ..........5-29 G Other Functions........5-30 1. Recovery of Log Files....... 5-30 III. LIST OF FAILURES ......5-33 1. Operation Failures......5-33 2. Image Failures........5-33 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 7: General Description
CHAPTER 1 GENERAL DESCRIPTION PRODUCT OUTLINE.......1-1 III. USER OPERATION .........1-7 NAME OF PARTS ........1-6 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 9: Product Outline
"Mac", "iPad" and "iPhone" are a trademark of Apple Computer in the U.S. and other countries. "Wi-Fi" is registered trademark of the Wi-Fi Alliance. Other company names and product names mentioned in this document are registered trademarks or trademarks of the respective companies. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 10: Main Specifications
Resolution setting in driver 600 x 600 dpi, 400 x 400 dpi, 300 x 300 dpi, 200 x 200 dpi, 150 x 150 dpi, *Auto-resolution mode can be available. Table 1-101a COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 11 Operation / Indication 1) Power switch (connected open/close of pickup tray) 2) Power indicator (LED) 3) Start button (Job button also) 4) Mode switch (ON/OFF for Auto Start) Table 1-101b COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 13: Precautions
If it is, use may be forcibly suspended. To change the specifications or disas- semble and reassemble this machine, follow the instructions described in this manual and the service information. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 14: Name Of Parts
Note1: In this document, the Feeder Cover may be referred to as the Upper Unit. Note2: In this document, the Document Feed Tray may be referred to as the Pickup Tray. Rear Figure 1-202 Auto Start Switch Theft Prevention Hole (Security Slot) Eject Outlet COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 15: User Operation
Figure 1-302 The scanner is recognized as a storage device by the computer. Starting Cap- tureOnTouch Lite preinstalled in the scanner enables you to perform scanning COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 16: Scan
It can be used on a computer that does not have the scanner driver installed. 1) Click [Open folder to view files]. Figure 1-305 The [ONTOUCHLITE] folder opens. Figure 1-304 Figure 1-306 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 17: Cleaning A Paper Jam
3) Remove the jammed document from the Figure 1-308 feed side or eject side. 4) Click the Start button. 5) Refer to the user manual for further de- tails. Figure 1-311 4) Close the feeder cover. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 19: Functions & Operation
FUNCTIONS & OPERATION OUTLINE..........2-1 VI. OPTION..........2-17 READING SYSTEM .........2-6 VII. LAYOUT OF ELECTRICAL III. FEED SYSTEM ........2-8 COMPONENTS ....2-18 CONTROL SYSTEM ......2-11 VIII. PARTS LAYOUT ON EACH PCB...2-19 POWER SUPPLY........2-15 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 21: Outline
This system is comprised of an image control PCB of this machine via the USB processing section and a feed control cable. Then it converts the DC power to a section. required power. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 22: Feed Path
Feed roller Detection point of document sensor Separation pad Detection point of registration sensor Registration roller (drive) Upper reading unit (back reading) Registration roller (follower) Lower reading unit (front reading) COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 23: Motor Drive
This machine has a feed motor. A DC motor with an encoder that detects rotation speed is used as the feed motor. Control PCB Feed motor Feed roller One-way clutch Registration roller Eject roller Figure 2-103 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 24: Electrical Circuits
CIS unit Control PCB (upper) Upper unit sensor CIS unit Feed motor (With encoder) (lower) Start switch AutoStart switch Regist sensor USB cable Tray switch Document sensor Figure 2-104 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 25: Timing Chart
Start Document sensor Registration sensor Maximum speed Feed moter feeding Reading the front side Offset part Reading the back side Offset part Figure 2-105 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 26: Reading System
The CIS unit consists of CIS PCB, lens array, LED (R/G/B), light guide, and case. The reading glass and white reference sheet are mounted on the reading cover. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 27: Shading
CIS PCB. after replacing the control PCB recording the Since the white reference sheet is shading correction value. placed under the reading glass, feeding document does not cause smudges on it. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 28: Feed System
Feed roller Detection point of document sensor Separation pad Detection point of registration sensor Registration roller (drive) Upper reading unit (back reading) Registration roller (follower) Lower reading unit (front reading) COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 29 3) Separation Separation of the documents is performed by the separation pad. Double feeds and pickup errors are prevented by optimizing the shape of the separation pad and fric- COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 30: Feed Error
5) Non-removal Jam The machine starts scanning while the document is detected by the registration sensor and still remains inside this ma- chine. 2-10 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 31: Control System
(IC14) SDRAM 32 MB (IC24) (IC17) FLASH Memory (IC19) FLASH Memory (IC20) Sub-CPU FLASH (IC28) Memory (IC21) Electric double layer capacitor block DC/DC converter block 5 VDC Figure 2-401 2-11 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 32 Stores image data, programs, etc. (32 MB). IC28 Sub-CPU Controls the motor, power supply and Work memory. Table 2-401 Note: Both Windows and Macintosh versions of OnTouch Lite have been installed. 2-12 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 33: Image Processing Control
One-dimensional gamma correction detection • Deskew Edge enhancement • Image rotation • Skip blanks • File creation Binarization • Other Color Grayscale Binary Data after image processing Figure 2-402 2-13 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 35: Power Supply
When it is charged again, the feeding and reading begin. However, if the prescribed rotational speed is not reached even when an electric current is added from 2-15 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 36: Power Supply
CHAPTER 2 FUNCTION & OPERATION Bus power CIS unit (upper) CIS unit (lower) Power supply Feed motor 5 VDC, 0.5 A (USB2.0) Electric double layer capacitor Figure 2-501 2-16 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 37: Wireless Communication
WU10 is used by participating it in the LAN network environment at a place where the LAN environment is built by a wireless main unit (access unit). 2) Station mode Figure 2-602 2-17 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 38: Layout Of Electrical Components
Feed motor Base section Sensors Document sensor Control PCB PS12 Registration sensor Control PCB LED3/Q15 Upper unit sensor Control PCB PS11 Lamp Power indicator (LED) Control PCB LED4 Table 2-701 2-18 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 39: Parts Layout On Each Pcb
CIS unit (lower) SW12 Tray switch (Power switch) J102 USB cable SW13 Auto Start switch J103 Feed motor PS11 Upper unit sensor PS12 Document sensor Table 2-801 Table 2-802 2-19 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 41: Disassembly & Reassembly
CHAPTER 3 DISASSEMBLY & REASSEMBLY The products shown in the figures in this chapter may be partially different from mass-produced products. EXTERNAL PARTS........3-1 III. BASE UNIT ..........3-10 UPPER UNIT..........3-3 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 43: External Parts
Do not get FPC or FFC caught when as- sembling the operation section cover. Figure 3-102 After tightening the screw, push in the bottom cover until the fitting parts hooked. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 44: Pickup Tray
CHAPTER 3 DISASSEMBLY & REASSEMBLY 3. Pickup Tray 1) Remove the operation section cover. (Page 3-1) 2) Unhook the fitting parts at both ends and remove the pickup tray Figure 3-104 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 45: Upper Unit
3) Release the right and left locks of the upper Figure 3-203 unit , unhook the fitting parts on the FPC side and then unhook the fitting parts on the opposite side while opening them slightly. Figure 3-202 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 47: Reading Unit [Upper]
Makes sure there is no gap or Figure 3-207 space. Install the CIS unit so that it matches the direction of the reading guide. If it is installed incorrectly, the fitting parts lift. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 48: Eject Roller [Follower]
Perform the work while holding the re- inforcing plate. When the top cover (base) is removed, the center spring and light guide are detached. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 49: Registration Roller [Follower]
Note: Handle the follower roller holder care- fully because it is likely to be deformed. When the roller is removed, the springs on the base and the document pressure may be detached. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 50 Note: When passing the shaft, install the follower roller so that the side with the coil spring of the follower roller faces outward. Figure 3-218 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 51 Note: If the position of the flat part of the center is correct, the flat part at the end of the shaft is on the upper side. Figure 3-220 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 52: Base Unit
When installing the control PCB, return the the control PCB and remove the con- cable to its original position. trol PCB. Figure 3-301 3) Pull out the switch slide plate from the switch. Figure 3-302 3-10 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 53: Eject Roller [Drive]
Figure 3-303 Figure 3-305 3) Remove the plate spring 3) Remove the power lever Figure 3-304 Notes on assembling Push in the bearing until it is fully fitted. Figure 3-306 3-11 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 54: Feed Roller
2) Remove the light guide and sintered bearing according to the steps in “Regis- tration Roller [Drive]”. (Page 3-11) 3) Remove the feed roller together with the feed roller shaft. Figure 3-307 Figure 3-308 3-12 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 55: Motor
Insert the cable into its original position Figure 3-310 and install the motor. Note: The document detection lever is as- sembled with a spring. An assembling drawing is shown below. Figure 3-311 3-13 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 56: Lower Reading Guide
If it is installed incorrectly, the fitting parts lift. After the assembling is complete, clean the front surface of the reading glass. 3-14 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 57: Installation & Maintenance
CHAPTER 4 INSTALLATION & MAINTENANCE INSTALLATION ........4-1 III. MAINTENANCE ........4-4 PARTS TO BE REPLACED .....4-3 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 59: Installation
Microsoft Windows Vista (32/64 bit edition) Microsoft Windows 7 (32/64 bit edition) Microsoft Windows 8 (32/64 bit edition) Mac OS X Note: For details on each version, refer to the user manual. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 60: Installing The Software
USB hub can be used, but operation is 4) The setup menu starts automatically. not guaranteed. 5) Click [Typical Installation]. Figure 4-101 Finish the installation by following the on-screen messages. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 61: Parts To Be Replaced
Parts name Parts number Separation pad MG1-4791 Table 4-201 Note: The item above is assigned as a commercially available user-replacable product. (Code : 8028B001xx) 3. Parts Replaced by Service Technicians None COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 62: Maintenance
Other rollers Note: Do not turn the roller forcibly and clean only visible parts. Table 4-301 2) Locations to be cleaned Separatiom pad Reading glass Rollers Feed roller Figure 4-301 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 63: Service Maintenance
If they are very dirty, instruct the user to follow the “User Maintenance” procedures. Recommend the user to replace consumable parts if necessary. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 65: Troubleshooting
CHAPTER 5 TROUBLESHOOTING ERROR DISPLAY ........5-1 OPERATION TROUBLESHOOTING ..5-34 SERVICE MODE........5-2 IMAGE TROUBLESHOOTING....5-38 III. LIST OF FAILURES .......5-33 VI. AFTER REPLACING PARTS ....5-43 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 67: Error Display
ON, the according to the error messages. start button flashes slowly. The following shows an example of an error message when using CaptureOnTouch (Windows). Start button Figure 5-101 Figure 5-102 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 68: Service Mode
When you select an operation button on the initial screen, the corresponding screen is displayed allowing you to execute each of the service modes. The main screens are shown below. Adjustment Figure 5-201a COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 70 Firmware version Current firmware version display Version up Version upgrade from unregistered firmware Registered firmware Content display and selection of registered firmware Version up Version upgrade from registered firmware Table 5-201a COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 71 Deletes registered firmware. Add Note Adds remarks to the registered firmware. Application information Displays the service tool (EXE file) version. Simulation mode Executes simulated operation without connecting to the scanner. Table 5-201b COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 72: How To Install
“Modified date” of each file before executing. Reference: Folders and files The files needed by the integrated tool should be saved in the same folder. Al- COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 73: How To Start And Finish
5) Run the installed file “DRUnification- Tool.exe”. Figure 5-204 8) Select [Select Scanner] to run each ser- vice mode, or select [Firm Registration] to register firmware. Figure 5-202 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 74 Check the operation procedure. When there are other DLLs Figure 5-207 Figure 5-205 10) The Information screen appears. Figure 5-206 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 75: Application Information
However, if "Firmware version up" is performed, remove and reinstall the USB cable at the end to reset the power properly. Refer to the " Firmware version up " section for the details. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 76: Simulation Mode
Note: Note that you cannot execute opera- Figure 5-210 tions that require communication with the scanner. 5-10 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 77: Firmware Version
Note: Version of the main body firmware can also be confirmed on the user's driver Figure 5-213 screen. Enter the serial number shown on the rating label on the main body. Figure 5-214 5-11 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 78: Counter
The corresponding parts Replacement 3 can be decided within each local region or by the service technicians necessary. Table 5-202 5-12 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 79: Write File
If the [Apply] button on the information screen is selected, the values are saved, Figure 5-220 and if the [Cancel] button is selected, they are not saved. Figure 5-218 5-13 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 80: Adjustment
DR scanners. Otherwise, adjustment cannot be performed correctly. 2) For four corners of the leading and trailing edges, the black part must be 5 mm long and 20 mm wide. 5-14 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 81 LTR size paper due to the computer specifications, set to half the size. Note that you should cut that paper perfectly straight without any Figure 5-224 slant. 5-15 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 82: Registration (Manual)
The example of error screen is shown below. Figure 5-227 Figure 5-226 3) When the [Edit] button on the information screen is selected, the value is displayed validly and can be modified. 5-16 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 83: Light
2) Open the document guides fully extended, then load a shading sheet you prepared to fit the width between the document guides. Note: Do not set extra sheets. Figure 5-229 5-17 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 84 Figure 5-232 4) The adjustment starts automatically. The sheet is fed, and a progress screen is 6) After the adjustment is complete, the cau- displayed. tion screen disappears. Figure 5-231 5-18 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 85: Regist Sensor
1) Clean the surface of the light guide for the registration sensor. Note: Do not set the adjustment sheet. 2) On the Adjustment screen, select [Regist sensor]. Figure 5-233 5-19 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 87: Motor / Sensor
Figure 5-238 button to light the LED. Press the button again to turn the LED off. Select the buttons again to return to the original state. 5-21 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 88: Sensor / Button
If you open the upper unit, the door sensor lights up. If you close the upper unit when paper is caught, the registration sensor lights up. If you press the Start, the corresponding mark lights up. 5-22 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 89: Motor Test
Resolution [dpi] 100/200/300/400/600 Gray/Color Mode Direction Forward Note: Initial values are underlined. Table 5-203 Figure 5-244 Note: For details on firmware updates, refer also to the separately issued service information. 5-23 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 90: Firm Registration
Figure 5-245 Figure 5-247 4) When the file selection screen is dis- played, select the file. Note: The file format is “mot”. The file name can be changed to anything. 5-24 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 91 Furthermore, an “ini” file that contains the setting conditions is saved at the same time. The following shows an example of the folder. Figure 5-249 5-25 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 92: Firm Version Up
1) Select the version to write and then select [Version up]. Figure 5-254 Figure 5-251 2) The confirmation screen is displayed. Select [OK]. Figure 5-252 5-26 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 93: Analog
The rest of the procedure is the same as in “For registered firmware”. Note: This automatically detects whether the file is for the connected scanner and only executes writing if it is suitable. 5-27 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 94: Write Firm
The operation procedure is the same as that in “A. Information, 5. Write File.” Part of the contents of a saved file is shown below. Figure 5-257 5-28 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 95: Scan Test
They can be enlarged up to 10 times from the initial display state. Zoom (Image 2) Enlarges the image in 3 above using a slide bar. They can be enlarged up to 10 times from the initial display state. Table 5-204 5-29 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 96: G Other Functions
"Image 2", 5) The files are saved with [xxx.dat] at- and the last scanned image but one is tached. displayed in "Image 1". 5-30 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 97 [OK] button. Then, perform the steps to reproduce the problem and perform the recovery operation. Note that when set to [Full], the scanning speed may be re- duced. Figure 5-260 5-31 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 98 Although the content of the log files cannot be interpreted by generic soft- ware, it can be displayed in text format by using a dedicated application. Here is an example: Figure 5-261 5-32 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 99: List Of Failures
Too dark/too light. Streaks in image. Image slanted. Wrong image size. Text cannot be seen. Moire in image. The image of the photograph is not good. Table 5-302 5-33 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 100: Operation Troubleshooting
Is a "?", "!" or "x" mark dis- Reinstall the driver. (If the Auto Start played on this machine in the switch is "OFF") Windows device manager? Table 5-402 5-34 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 101: Scanning Does Not Start
Replace the motor. you perform an operation check with service mode? Sensors Is the operation normal when Replace the installed you perform an operation PCB. check with service mode? Table 5-403 5-35 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 102: Scanner Does Not Feed Properly
Replace inferior parts. Motor Is the motor attached prop- Assemble properly. erly? Is the operation normal when Replace the motor. you perform an operation check with service mode? Table 5-404 5-36 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 103: Scanning Speed Is Slow
Is the USB hub supported? Use a USB hub that Bus power type cannot be supports it. used. Self power type can be used, but it is not guaranteed. Table 5-405 5-37 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 104: Image Troubleshooting
Image Sample Document Normal (B&W) All black All white All streaked Too dark Too light Streaks 1 Streaks 2 Streaks 3 Wrong size Auto size Slanting Skew correction Table5-501 5-38 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 105: All Black/All White/All Streaked
Setup of “Contrast” “Contrast” setup properly? Change the setup. Light Adjustment Have you executed “Light” Execute Light Adjust- in service mode ment Table 5-503 5-39 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 106: Streaks In Image
Feeding documents documents Perform the checks in straight? “III. OPERATION TROUBLESHOOTING 4. Scanner does not feed properly”. Table 5-505 5-40 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 107: Wrong Image Size
Text Enhancement II”? Character Emphasis Was the problem solved Done. by setting to “Character Emphasis”? Setup of “Brightness” Was the problem solved Done. by changing the setup of “Brightness”? Table 5-507 5-41 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 108: Moire In Image
The reproducibility of the scanned photograph image is low and it is not clear. Cause/Faulty Step Check Item Result Action Location Setup of “Apply cor- Is “Apply corrections suit- Set it. rections suitable for able for photographs” set? photographs” Table 5-508 5-42 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 109: After Replacing Parts
[Reg- ist sensor] and then execute [Registra- tion (Auto)] in service mode. Further- more, execute [Registration (Manual)] if necessary. 5-43 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 113: Electrical Block Diagram
I. ELECTRICAL BLOCK DIAGRAM Feed motor Control PCB (with encoder) Document sensor CIS unit (upper) Tray switch Upper unit sensor CIS unit (lower) AutoStart switch Start switch J102 USB cable (mini connector) COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 114: List Of Special Tool
A = Equipment that each service technician must carry. B = Equipment that can be shared among a group of 5 service technicians. C = Equipment that each workshop needs to have. COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 116 BUTTON, START MG1-4791-020 SEPARATION PAD UNIT MG1-4789-000 TRAY, PICKUP DR-P208 MG1-4874-000 TRAY, PICKUP P-208 MG1-4906-000 TRAY, PICKUP DR-208II/P-208II MF1-4794-000 COVER, BOTTOM MH2-5435-000 CABLE, USB MS2-9002-000 SCREW, TAPPING B, BH M2.5X6 B COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 118 SPRING, COMPRESSION MH2-5436-000 FPC, CIS MG1-8320-000 READING UNIT, UPPER MF1-4792-000 GUIDE, READING, UPPER MA2-9956-000 SPRING, TORSION MA2-9998-020 ROLLER, FOLLOWER, SLIT MA2-9999-020 SPRING, COIL MS2-9002-000 SCREW, TAP B, BH M2.5X6 B COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 120 MA2-9973-000 PLATE, SLIDE MG1-4790-000 PCB ASSEMBLY, CONTROL DR-P208/P-208 MG1-4997-000 PCB ASSEMBLY, CONTROL DR-P208II/P-208II MA2-9970-000 GEAR, SPUR Z25, ONE-WAY MA2-9987-000 SHAFT, FEED ROLLER, PLASTIC MA2-9986-000 ROLLER, FEED XA1-6200-225 SCREW, PH M2X2.5 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 121: Numerical Index
MS2-0291-000 300-10 MA2-9985-000 200-08 MS2-0292-000 300-03 MA2-9986-000 300-24 MS2-0293-000 300-12 MA2-9987-000 300-23 MS2-0294-000 300-17 MA2-9998-020 200-24 MS2-9002-000 100-50 MA2-9999-020 200-25 MS2-9002-000 200-50 MF1-4792-000 200-22 XA1-6200-255 300-50 MF1-4793-000 300-02 MF1-4794-000 100-06 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION...
Page 123 Prepared by Quality Assurance Center Canon Electronics Inc. 3-5-10 Shibakoen, Minato-ku Tokyo 105-0011, Japan FIRST EDITION: DEC. 2012 (63999a)
Page 124 1212TG...

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Canon imageFORMULA P-208 Service Manual With Parts Catalog

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