Canon imageFORMULA P-215 Service Manual page 5

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 ...................................... 5-3
3. How to Start and Finish ...................... 5-3
4. Registration Adjustment[Auto] ............ 5-5
5. Light Adjustment................................. 5-7
6. Regist sensor adjustment................... 5-9
7. All Adjustment................................... 5-10
8. Dcon Check ...................................... 5-12
9. Check Device ................................... 5-14
10. Firm Load ....................................... 5-15
11. About .............................................. 5-16
12. Counter .......................................... 5-16
III. LIST OF FAILURES .............................. 5-18
1. Operation Failures............................ 5-18
2. Image Failures.................................. 5-18
IV. OPERATION TROUBLESHOOTING .... 5-19
1. Power Does Not Come ON .............. 5-19
2. No Scanner is Found........................ 5-19
3. Scanning Does Not Start .................. 5-20
4. Scanner Does Not Feed Properly .... 5-21
5. Scanning Speed is Slow................... 5-22
V. IMAGE TROUBLESHOOTING ............. 5-23
1. All Black/All White/All Streaked ........ 5-24
2. Too Dark/Too Light ........................... 5-24
3. Streaks in Image............................... 5-25
4. Image Slanted .................................. 5-25
5. Wrong Image Size ............................ 5-26
6. Text Cannot be Seen........................ 5-26
7. Moire in Image.................................. 5-27
VI. AFTER REPLACING PARTS ................ 5-28
APPENDIX
I. ELECTRICAL BLOCK DIAGRAM ........... A-1
II. LIST OF SPECIAL EQUIPMENT ............ A-2
COPYRIGHT © CANON ELECTRONICS INC. 2011
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
CANON P-215 FIRST EDITION