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COPYRIGHT © CANON ELECTRONICS INC. 2012
CANON P-208 FIRST EDITION
CHAPTER 5
TROUBLESHOOTING
I. ERROR
DISPLAY ................................... 5-1
1. Main Body........................................... 5-1
2. Computers .......................................... 5-1
II.
SERVICE
MODE..................................... 5-2
1. Outline ................................................ 5-2
2. How to Install ...................................... 5-6
3. How to Start and Finish ...................... 5-7
4. Application Information....................... 5-9
5. Simulation Mode............................... 5-10
A. Information .......................................... 5-10
1. Scanner name .................................. 5-10
2. Firmware version...............................5-11
3. Serial number ....................................5-11
4. Counter............................................. 5-12
5. Write file............................................ 5-13
B. Adjustment .......................................... 5-14
1. Registration (Auto) ........................... 5-14
2. Registration (Manual) ....................... 5-16
3. Light.................................................. 5-17
4. Regist sensor ................................... 5-19
5. All...................................................... 5-20
C. Motor / Sensor..................................... 5-21
1. CIS LED............................................ 5-21
2. Sensor / Button................................. 5-22
3. Motor test.......................................... 5-23
D. Firmware ............................................. 5-23
1. Firm Registration .............................. 5-24
2. Firm Version Up................................ 5-26
E. Analog ................................................. 5-27
1. Analog sensor .................................. 5-27
2. Write firm .......................................... 5-28
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
IV.
OPERATION
TROUBLESHOOTING .... 5-34
1. Power Does Not Come ON .............. 5-34
2. No Scanner is Found........................ 5-34
3. Scanning Does Not Start .................. 5-35
4. Scanner Does Not Feed Properly .... 5-36
5. Scanning Speed is Slow ................... 5-37
V. IMAGE
TROUBLESHOOTING.............. 5-38
1. All Black/All White/All Streaked ........ 5-39
2. Too Dark/Too Light............................ 5-39
3. Streaks in Image............................... 5-40
4. Image Slanted .................................. 5-40
5. Wrong Image Size ............................ 5-41
6. Text Cannot be Seen ........................ 5-41
7. Moire in Image.................................. 5-42
8. The image of the photograph is not good.
........................................................ 5-42
VI.
AFTER REPLACING PARTS ................ 5-43
APPENDIX
I. ELECTRICAL
BLOCK DIAGRAM ........... A-1
II.
LIST OF SPECIAL TOOL ........................ A-2
III.
PARTS
CATALOG ................................... A-3
1. External Cover.................................... A-3
2. Upper Unit .......................................... A-5
3. Base Unit ............................................ A-7
4. Numerical Index.................................. A-9
Содержание P-208
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