Minolta CF1501 Service Manual page 13

1. CROSS-SECTIONAL VIEW ............................................................................ M-1
2. COPY PROCESS ............................................................................................ M-2
3. DRIVE SYSTEM .............................................................................................. M-4
4. OPERATING SEQUENCE .............................................................................. M-5
5. CONTROL BLOCK DIAGRAM ........................................................................ M-7
6. LOCATIONS OF TERMINALS ........................................................................ M-8
7. IMAGE STABILIZATION SYSTEM .................................................................. M-10
7-1. AIDC Detection ........................................................................................ M-11
7-2. Image Stabilization System Control ......................................................... M-12
(1) AIDC Sensor LED Intensity Control ................................................. M-14
(2) Background Margin Control ............................................................. M-14
(3) Max. Density Control ....................................................................... M-14
(4) γ Correction Control ......................................................................... M-14
8. PC DRUM ........................................................................................................ M-15
8-1. PC Drum Drive Mechanism ..................................................................... M-15
8-2. Grounding of the PC Drum ...................................................................... M-15
9. PC DRUM CHARGE CORONA ....................................................................... M-16
10. IMAGE READER (IR) SECTION ..................................................................... M-17
10-1.IR Image Processing ............................................................................... M-18
10-2.CCD Sensor ............................................................................................ M-27
10-3.Exposure Components Section ............................................................... M-28
10-4.Exposure Lamp Control ........................................................................... M-29
10-5.Scanner and 2nd/3rd Mirrors Carriage Movement
Mechanism .............................................................................................. M-30
(1) Scanner Movement Mechanism ...................................................... M-30
(2) 2nd/3rd Mirrors Carriage Movement Mechanism ............................ M-30
10-6.Scanner Motor Drive Control ................................................................... M-31
11. ORIGINAL SIZE DETECTING SECTION ........................................................ M-32
11-1.Original Size Detecting Method ............................................................... M-32
11-2.Locations of Original Size Detecting Sensors ......................................... M-33
11-3.Determining the Original Size .................................................................. M-34
11-4.Original Size Detection Timing ................................................................ M-36
12. PRINTER SECTION ........................................................................................ M-37
12-1.Printer Section Image Processing Block Diagram ................................... M-38
13. IMAGING UNIT ................................................................................................ M-42
13-1.Control of Detection of New Imaging Unit ............................................... M-43
13-2.Imaging Unit Drive Mechanism ................................................................ M-43
13-3.Sleeve/Magnet Roller .............................................................................. M-45
13-4.Doctor Blade ............................................................................................ M-45
13-5.Developing Bias and ATDC Bias ............................................................. M-46
13-6.ATDC Sensor .......................................................................................... M-47
(1) ATDC Sensor (Y, M, C) ................................................................... M-47
(2) ATDC Sensor (Bk) ........................................................................... M-47
13-7.Toner Replenishing Control ..................................................................... M-48
13-8.Toner Supply Port Covering/Uncovering Mechanism .............................. M-48
14. TONER HOPPER ............................................................................................ M-49
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