Minolta Di151 Service Manual page 19

1. CROSS SECTIONAL VIEW ............................................................................ M-1
2. COPY PROCESS ............................................................................................ M-2
3. DRIVE SYSTEM .............................................................................................. M-4
4. SEQUENTIAL EXPLANATION ........................................................................ M-5
5. PC DRUM SECTION ....................................................................................... M-6
5-1. PC Drum Drive Mechanism ..................................................................... M-6
5-2. Grounding of the PC Drum ......................................................................M-7
6. PC DRUM CHARGING SECTION ................................................................... M-8
7. IMAGE READING SECTION ........................................................................... M-9
7-1. Exposure Components Section ............................................................... M-10
7-2. Exposure Lamp Control ........................................................................... M-11
7-3. Image Processing Process ......................................................................M-12
7-4. Scanner Movement Mechanism .............................................................. M-14
7-5. Scanner Motor Drive Control ................................................................... M-15
8. PH SECTION ................................................................................................... M-16
8-1. Laser Exposure Process .......................................................................... M-17
8-2. Laser Emission Area (HIA and VIA Signals) ............................................ M-18
9. DEVELOPING UNIT SECTION ....................................................................... M-19
9-1. Developing Unit Drive Mechanism ........................................................... M-20
9-2. Sleeve Roller ........................................................................................... M-20
9-3. Developing Bias ....................................................................................... M-21
9-4. Toner Empty Detection ............................................................................ M-22
10. PAPER TAKE-UP/FEEDING SECTION .......................................................... M-23
10-1.Paper Empty Detection Mechanism ........................................................ M-24
10-2.Paper Lifting Mechanism ......................................................................... M-25
10-3.Paper Take-Up Mechanism ..................................................................... M-26
10-4.Paper Take-Up Control ............................................................................ M-26
(1) Paper Take-Up Retry Control .......................................................... M-27
11. PC DRUM CLEANING SECTION .................................................................... M-28
12. IMAGE TRANSFER SECTION ........................................................................ M-29
13. FUSING UNIT SECTION ................................................................................. M-30
13-1.Fusing Unit Drive Mechanism .................................................................. M-31
13-2.Fusing Rollers Pressure Mechanism ....................................................... M-32
13-3.Fusing Temperature Control .................................................................... M-33
(1) Fusing Temperature Control during continuous small-size paper feeding
M-34
13-4.Mechanism and Control of Fusing Roller Small-Amount Turning ............ M-34
14. OTHER MECHANISMS ................................................................................... M-35
14-1.Memory Backup ....................................................................................... M-35
14-2.Cooling Mechanism ................................................................................. M-36
(1) PH Section Cooling Mechanism ...................................................... M-36
(2) Fusing Section Cooling Mechanism ................................................ M-37
CONTENTS
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