Canon imageFORMULA DR-G2140 Service Manual page 6

2. Service Maintenance ............................. 4-16
CHAPTER 5
TROUBLESHOOTING
I. ERROR DISPLAY ......................................... 5-1
1. Main Body ................................................ 5-1
2. Computer ................................................. 5-3
II. SERVICE MODE ......................................... 5-4
1. Outline ...................................................... 5-4
2. Preparation .............................................. 5-9
3. How to Start and Finish ......................... 5-10
4. Application Information .......................... 5-11
5. Simulation Mode .................................... 5-11
A. Information ............................................. 5-12
1. Scanner Name .................................... 5-12
2. Background color ................................ 5-12
3. Firmware version ................................ 5-13
4. Error History ........................................ 5-13
5. Serial Number ..................................... 5-14
6. Sleep Mode ......................................... 5-14
7. Auto Power OFF ................................. 5-15
8. Counter ............................................... 5-15
9. Write File ............................................. 5-17
B. Adjustment ............................................. 5-18
1. All ........................................................ 5-19
2. Scaling (Manual) ................................. 5-20
3. Registration (Manual) ......................... 5-23
4. Density (Auto) ..................................... 5-24
5. Density (Manual) ................................ 5-25
C. Motor / Sensor ....................................... 5-26
1. CIS, LCD, Buzzer ............................... 5-26
2. Move ................................................... 5-27
3. Position ............................................... 5-27
4. CoverOpen ......................................... 5-28
5. Panel ................................................... 5-29
6. SD Card .............................................. 5-29
7. USB 3.1 .............................................. 5-30
8. Imprinter Door ..................................... 5-30
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III. TROUBLESHOOTING LIST ..................... 5-42
IV. OPERATION TROUBLESHOOTING ........ 5-43
V. IMAGE TROUBLESHOOTING .................. 5-48
VI. AFTER REPLACING PARTS ................... 5-53
I. GENERAL DIAGRAM ...................................A-1
II. LIST OF SPECIAL EQUIPMENT .................A-2
COPYRIGHT © CANON ELECTRONICS INC. 2018
9. Others ................................................. 5-31
D. Firmware................................................ 5-31
1. Firm Registration ................................ 5-32
2. Firm Load ............................................ 5-34
3. Network Firmware ............................... 5-35
E. Analog .................................................... 5-36
1. Analog Sensor .................................... 5-36
2. Write File ............................................. 5-36
F. Scan Test ................................................ 5-37
1. Scan .................................................... 5-37
G. Imprinter ................................................ 5-38
H. Network ................................................. 5-39
1. Obtainment of Log Files...................... 5-40
1. Operation Failures ................................. 5-42
2. Image Failures ....................................... 5-42
1. Power Does Not Turn ON ...................... 5-43
2. No Scanner is Found ............................. 5-44
3. Scanning Does Not Start ....................... 5-45
4. Scanner Does Not Feed Properly .......... 5-46
5. Scanning Speed is Slow ........................ 5-47
1. Completely Black, Completely White,
All Streaks............................................. 5-49
2. Too Dark, Too Light ................................ 5-49
3. Black Borders Around Image ................. 5-50
4. Image Skews ......................................... 5-50
5. Streaks on Image ................................... 5-51
6. Outer Areas of Image Disappear ........... 5-51
7. Wrong Image Size ................................. 5-52
8. Text Invisible ........................................... 5-52
APPENDIX
CANON DR-G2140/G2110/G2090 FIRST EDITION