Minolta Di181 Service Manual page 20

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. IR 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 and Mirrors Carriage Movement Mechanism ............................ M-14
(1) Scanner Movement Mechanism ...................................................... M-14
(2) 2nd/3rd Mirrors Carriage Movement Mechanism ............................ M-14
7-5. Scanner Motor Drive Control ................................................................... M-15
8. Original Size Detecting Section ....................................................................... M-16
8-1. Original Size Detecting Operation ........................................................... M-16
8-2. Original Size Detecting Sensors Locations .............................................. M-17
8-3. Original Size Detection ............................................................................ M-18
8-4. Original Size Detection Timing ................................................................ M-19
9. PH SECTION ................................................................................................... M-20
9-1. PH Image Processing Process ................................................................ M-21
9-2. Laser Exposure Process .......................................................................... M-23
10. DEVELOPING UNIT SECTION ....................................................................... M-24
10-1.Developing Unit Drive Mechanism .......................................................... M-25
10-2.Sleeve/Magnet Roller .............................................................................. M-25
10-3.Doctor Blade ............................................................................................ M-26
10-4.Developing Bias ....................................................................................... M-26
10-5.ATDC Sensor .......................................................................................... M-27
(1) ATDC Sensor Automatic Adjustment .............................................. M-28
10-6.Toner Replenishing Mechanism .............................................................. M-29
10-7.Toner Replenishing Control ..................................................................... M-30
10-8.Toner Supply Hole Covering/Uncovering Mechanism ............................. M-31
10-9.Toner Bottle Home Position Detection Mechanism ................................. M-31
10-10.Toner Bottle Vibration Mechanism ........................................................ M-32
10-11.Toner Empty Detection .......................................................................... M-32
11. PAPER TAKE-UP/FEED SECTION ................................................................ M-33
11-1.Drawer In Position Detection ................................................................... M-34
11-2.Paper Empty Detection Mechanism ........................................................ M-35
11-3.Universal Tray Paper Size Detection Mechanism ................................... M-36
11-4.Paper Take-Up Mechanism ..................................................................... M-38
(1) Paper Separating Mechanism ......................................................... M-38
11-5.Paper Take-Up Roll ................................................................................. M-39
11-6.Paper Take Up Control ............................................................................ M-39
(1) Paper Take Up Retry Control .......................................................... M-40
CONTENTS
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