FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 MECHANICAL/ELECTRICAL
98.04.24
i
COTNENTS
1. CROSS-SECTIONAL VIEW ............................................................................M-1
1-1. Cross-Sectional View of 23 cpm Copier ..................................................M-1
1-2. Cross-Sectional View of 18 cpm Copier ..................................................M-2
1-3. Cross-Sectional View of 15 cpm Copier ..................................................M-3
2. COPY PROCESS ............................................................................................M-4
3. DRIVE SYSTEM ..............................................................................................M-6
4. SEQUENTIAL EXPLANATION ........................................................................M-7
5. IMAGING UNIT ................................................................................................M-12
5-1. Imaging Unit Drive ...................................................................................M-13
5-2. Imaging Unit Toner Recycling .................................................................M-14
5-3. Imaging Unit Fuse ....................................................................................M-14
6. PC DRUM ........................................................................................................M-15
7. DRUM CHARGING ..........................................................................................M-16
8. IMAGE ERASE LAMP .....................................................................................M-17
9. OPTICAL SECTION ........................................................................................M-20
9-1. Exposure Lamp .......................................................................................M-21
9-2. AE Sensor ...............................................................................................M-22
9-3. Lamp Reflectors ......................................................................................M-23
9-4. Aperture Plates .......................................................................................M-23
9-5. Scanner and 2nd/3rd Mirror Carriage Movement ...................................M-24
9-6. 4th Mirror Movement ...............................................................................M-26
9-7. Lens Movement ......................................................................................M-27
10. ORIGINAL SIZE DETECTING SENSORS (23 cpm COPIER ONLY) ..............M-28
10-1. Original Size Detecting Sensors .............................................................M-28
10-2. Original Size Detecting Operation ..........................................................M-28
10-3. Sensor Locations ....................................................................................M-29
10-4. Size Detection ........................................................................................M-30
10-5. Original Size Detection Timing ...............................................................M-31
10-6. Original Cover Angle Detection (23 cpm Copier Only) ...........................M-32
11. DEVELOPMENT ..............................................................................................M-33
11-1. ATDC Sensor .........................................................................................M-34
11-2. Magnet Roller .........................................................................................M-36
11-3. Developing Bias ......................................................................................M-37
11-4. Doctor Blade ...........................................................................................M-38
11-5. Sleeve/Magnet Roller Lower Filter .........................................................M-38
12. TONER HOPPER ............................................................................................M-39
12-1. Toner Hopper Locking/Unlocking ...........................................................M-39
12-2. Toner Replenishing ................................................................................M-39
12-3. Shutter ....................................................................................................M-40
12-4. Toner Hopper Home Position Detection .................................................M-40
12-5. Toner Bottle Vibration .............................................................................M-41
12-6. Toner Replenishing Control ....................................................................M-42
13. PAPER TAKE-UP/FEED SECTION (2ND DRAWER: 23 cpm
COPIER ONLY) ...............................................................................................M-43
13-1.Edge Guide and Trailing Edge Stop ........................................................M-44
13-2.Drawer Positioning ..................................................................................M-45
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