Service Manual KONICA MINOLTA MAGICOLOR 8650;
Theory of Operation Service Manual KONICA MINOLTA MAGICOLOR 8650;
This service manual, is the full KONICA MINOLTA MAGICOLOR 8650 Service Repair Manual.
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MAGICOLOR 8650 MAIN UNIT
OUTLINE
1. SYSTEM CONFIGURATION
2. PRODUCT SPECIFICATIONS
3. SECTION CONFIGURATION
4. PAPER PATH
5. IMAGE CREATION PROCESS
COMPOSITION/OPERATION
6. OVERALL COMPOSITION
6.1 CONTROL BLOCK DIAGRAM
7. WRITE SECTION (PH SECTION)
7.1 COMPOSITION
7.2 OPERATION
7.2.1 OUTLINE
7.2.2 LASER EXPOSURE PROCESS
7.2.3 LASER EMISSION TIMING
7.2.4 LASER SHUTTER MECHANISM
7.2.5 LASER EMISSION AREA
7.2.6 REGISTRATION CONTROL (COLOR SHIFT CORRECTION) SYSTEM
7.2.7 SKEW CONTROL MECHANISM
8. IMAGING UNIT SECTION (IU SECTION)
8.1 COMPOSITION
8.2 DRIVE
8.3 OPERATION
8.3.1 IU LIFE CONTROL
9. PHOTO CONDUCTOR SECTION
9.1 COMPOSITION
9.2 DRIVE
9.3 OPERATION
9.3.1 PC DRUM DRIVE MECHANISM
9.3.2 PC DRUM PHASE CONTROL
9.3.3 PC DRUM SMALL AMOUNT ROTATION CONTROL
10. CHARGE CORONA SECTION
10.1 OPERATION
10.1.1 PC DRUM CHARGE CORONA ON/OFF CONTROL
10.1.2 CLEANING/MAIN ERASE MECHANISM
11. DEVELOPING SECTION
11.1 COMPOSITION
11.2 DRIVE
11.3 OPERATION
11.3.1 DEVELOPING DRIVE CONTROL
11.3.2 DEVELOPER FLOW
11.3.3 DEVELOPING BIAS
11.3.4 HMT (HIGH GRADE MICRO TONING) DEVELOPMENT
11.3.5 TCR SENSOR CONTROL
12. TONER SUPPLY SECTION
12.1 COMPOSITION
12.2 DRIVE
12.3 OPERATION
12.3.1 TONER REPLENISHING MECHANISM/CONTROL
12.3.2 TONER CARTRIDGE LIFE CONTROL
12.3.3 SHUTTER MECHANISM
13. TRANSFER CORONA SECTION
13.1 COMPOSITION
13.1.1 1ST IMAGE TRANSFER SECTION
13.1.2 2ND IMAGE TRANSFER SECTION
13.2 DRIVE
13.2.1 1ST IMAGE TRANSFER SECTION
13.2.2 2ND IMAGE TRANSFER SECTION
13.3 OPERATION
13.3.1 TRANSFER BELT DRIVE MECHANISM
13.3.2 1ST IMAGE TRANSFER ROLLER MECHANISM
13.3.3 2ND IMAGE TRANSFER ROLLER PRESSURE MECHANISM
13.3.4 IDC SENSOR SHUTTER MECHANISM
13.3.5 ATVC (AUTO TRANSFER VOLTAGE CONTROL)
13.3.6 TRANSFER BELT CLEANING
13.3.7 REVERSING CONTROL OF THE TRANSFER BELT
13.3.8 2ND IMAGE TRANSFER ROLLER CLEANING
13.3.9 CHARGE NEUTRALIZATION AND SEPARATION OF PAPER
13.3.10 DETECTION OF NEW TRANSFER BELT UNIT
13.3.11 NEW UNIT DETECTION TIMING/OPERATION
13.3.12 PRESSURE/RETRACTION CONTROL DURING ACS MODE
13.3.13 ASC MODE CONTROL CHANGE WITH THE SOFTWARE SW
14. TONER COLLECTING SECTION
14.1 COMPOSITION
14.2 DRIVE
14.3 OPERATION
14.3.1 TONER COLLECTING MECHANISM
14.3.2 WASTE TONER BOX-IN-POSITION DETECTION
14.3.3 WASTE TONER NEAR-FULL/FULL DETECTION CONTROL
15. PAPER FEED SECTION (TRAY1)
15.1 COMPOSITION
15.2 DRIVE
15.3 OPERATION
15.3.1 PAPER TAKE-UP CONTROL (TRAY1)
15.3.2 PAPER EMPTY DETECTION
15.3.3 TRAY 1 PAPER LIFTING MOTION CONTROL
15.3.4 PAPER SIZE DETECTION
16. PAPER FEED SECTION (TRAY2, TRAY3)
16.1 COMPOSITION
16.1.1 TRAY2
16.1.2 TRAY3
16.2 DRIVE
16.2.1 TRAY2
16.2.2 TRAY3
16.3 OPERATION
16.3.1 PAPER TAKE-UP CONTROL (TRAY2)
16.3.2 PAPER TAKE-UP CONTROL (TRAY 3)
16.3.3 TRAY2 PAPER FEED CONTROL
16.3.4 PAPER SUPPLY LEVEL INDICATION
16.3.5 PAPER NEAR-EMPTY DETECTION
16.3.6 PAPER EMPTY DETECTION
16.3.7 PAPER SIZE DETECTION CONTROL
16.3.8 TRAY PAPER LIFTING MOTION CONTROL
17. TIMING ROLLER SECTION
17.1 COMPOSITION
17.2 DRIVE
17.3 OPERATION
17.3.1 TIMING ROLLER CONTROL
18. FUSING SECTION
18.1 COMPOSITION
18.2 DRIVE
18.3 OPERATION
18.3.1 FUSING ROLLER DRIVE CONTROL
18.3.2 FUSING LOOP CONTROL
18.3.3 FUSING PRESSURE ROLLER PRESSURE/RETRACTION MECHANISM
18.3.4 FUSING TEMPERATURE CONTROL
18.3.5 FUSING TEMPERATURE CONTROL DURING A WARM-UP CYCLE (OUTLINE)
18.3.6 FUSING TEMPERATURE CONTROL DURING A WARM-UP CYCLE (IN DETAILS)
18.3.7 FUSING TEMPERATURE CONTROL DURING A PRINT JOB
18.3.8 TEMPERATURE CONTROL DURING STAND-BY
18.3.9 TEMPERATURE CONTROL DURING LOW POWER MODE
18.3.10 PROTECTION FROM ABNORMALLY HIGH TEMPERATURE
18.3.11 DETECTION OF A NEW FUSING UNIT
18.3.12 PPM CONTROL
18.3.13 DELAY CONTROL
19. PAPER EXIT/SWITCHBACK SECTION
19.1 COMPOSITION
19.2 DRIVE
19.3 OPERATION
19.3.1 PAPER EXIT/SWITCHBACK CONTROL
20. DUPLEX SECTION
20.1 COMPOSITION
20.2 DRIVE
20.2.1 DUPLEX SECTION DRIVE MECHANISM
20.3 OPERATION
20.3.1 DUPLEX SECTION TRANSPORT CONTROL
20.4 TRANSPORT CONTROL
20.4.1 DUPLEX UNIT TRANSPORT MOTOR CONTROL
20.4.2 2-SIDED PRINTING METHOD
21. IMAGE STABILIZATION CONTROL
21.1 OVERVIEW
21.2 OPERATION
21.2.1 IDC REGISTRATION SENSOR ADJUSTMENT CONTROL
21.2.2 MAX. DENSITY ADJUSTMENT CONTROL
21.2.3 LD (LASER DIODE) INTENSITY ADJUSTMENT CONTROL
21.2.4 GAMMA CORRECTION CONTROL
21.3 OPERATION SEQUENCE
21.4 OPERATION TIMING
22. IMAGE PROCESSING
22.1 IMAGE PROCESSING BLOCK DIAGRAM
23. OTHER CONTROL
23.1 FAN CONTROL
23.1.1 CONSTRUCTION
23.1.2 OPERATION
23.2 COUNTER CONTROL
23.2.1 CONSTRUCTION
23.3 PARTS OPERATED WHEN THE MAIN POWER SWITCH IS TURNED ON
23.3.1 PARTS OPERATED WHEN THE MAIN POWER SWITCH IS TURNED ON
23.4 AUTHENTICATION UNIT (BIOMETRIC TYPE) (AU-101)
23.5 AUTHENTICATION UNIT (IC CARD TYPE: AU-201)

PC-106/205
OUTLINE
1. PRODUCT SPECIFICATIONS
2. PAPER FEED PATH
COMPOSITION/OPERATION
3. COMPOSITION
4. DRIVE SYSTEM
5. OPERATIONS
5.1 PAPER FEED SECTION
5.1.1 VERTICAL TRANSPORT DRIVE MECHANISM
5.1.2 PAPER LIFTING MOTION
5.2 CASSETTE SECTION
5.2.1 PAPER SIZE DETECTION
5.2.2 REMAINING PAPER DISPLAY

PC-406
OUTLINE
1. PRODUCT SPECIFICATION
2. PAPER FEED PATH
COMPOSITION/OPERATION
3. COMPOSITION
4. DRIVE
5. OPERATIONS
5.1 PAPER FEED SECTION
5.1.1 PAPER FEED DRIVE MECHANISM
5.2 TRAY SECTION
5.2.1 ELEVATOR TRAY MECHANISM
5.2.2 SHIFT GATE DRIVE MECHANISM
5.2.3 SHIFTER DRIVE MECHANISM
5.2.4 PAPER EMPTY DETECTION
5.2.5 REMAINING PAPER AMOUNT DISPLAYED

FS-519/PK-515/OT-602
OUTLINE
1. PRODUCT SPECIFICATIONS
1.1 FS-519
1.2 PK-515
1.3 OT-602
2. PAPER FEED PATH
2.1 FEEDING PAPER TO THE 1ST EXIT TRAY
2.2 FEEDING PAPER TO THE 2ND EXIT TRAY
2.3 FEEDING PAPER TO THE 2ND EXIT TRAY (WHEN OT-602 IS MOUNTED)
COMPOSITION/OPERATION
3. COMPOSITION
4. DRIVE
5. OPERATIONS
5.1 TRANSPORT SECTION
5.1.1 ENTRANCE/TRANSPORT SECTION
5.1.2 INTERMEDIATE TRANSPORT SECTION
5.1.3 STORAGE SECTION
5.1.4 EXIT TRANSPORT SECTION
5.2 ELEVATOR SECTION
5.2.1 ELEVATOR MECHANISM
5.2.2 ELEVATOR TRAY ASCENT/DESCENT
5.2.3 TRAY POSITION DETECTION MECHANISM
5.2.4 SHUTTER OPEN/CLOSE MECHANISM
5.3 PAPER ALIGNING SECTION
5.3.1 PAPER ALIGNING MECHANISM (FEEDING DIRECTION)
5.3.2 PAPER ALIGNING MECHANISM (CROSSWISE DIRECTION)
5.3.3 EXIT MECHANISM
5.4 STAPLE SECTION
5.4.1 STAPLING MECHANISM
5.4.2 STAPLING UNIT MOVING MECHANISM
5.4.3 STAPLING POSITION
5.4.4 STAPLE SHEET EMPTY DETECTION
6. PUNCH KIT (PK-515)
6.1 COMPOSITION
6.2 OPERATION
6.2.1 SKEW CORRECTION MECHANISM
6.2.2 PUNCH MECHANISM
6.2.3 PUNCH STATUS DETECTION
6.2.4 PUNCH TRASH BOX FULL DETECTION MECHANISM
7. OUTPUT TRAY (OT-602)
7.1 COMPOSITION
7.2 OPERATION
7.2.1 OVERVIEW

MT-502
OUTLINE
1. PRODUCT SPECIFICATION
2. PAPER PATH
COMPOSITION/OPERATION
3. COMPOSITION
4. DRIVE
5. OPERATIONS
5.1 PAPER TRANSPORT MECHANISM
5.2 PAPER PATH SELECTION MECHANISM
5.3 PAPER DETECTION

SD-505
OUTLINE
1. PRODUCT SPECIFICATION
2. PAPER PATH
COMPOSITION/OPERATION
3. COMPOSITION
4. DRIVE
4.1 CENTER CREASING SECTION
4.2 CENTER STAPLING SECTION
5. OPERATIONS
5.1 PAPER TRANSPORT MECHANISM
5.2 EXIT ROLLER PRESSURE/RELEASE
5.2.1 PRESSURE/RELEASE MECHANISM
5.2.2 OPERATION
5.3 STAPLING MECHANISM
5.4 LAYABLE GUIDE
5.4.1 LAYABLE GUIDE MECHANISM
5.4.2 OPERATION TIMING
5.5 CENTER CREASING MECHANISM
5.5.1 OPERATION
5.6 IN & OUT GUIDE
5.6.1 IN & OUT GUIDE MECHANISM
5.7 TRAY PAPER DETECTION