KONICA MINOLTA qms magicolor 7300.pdf

FrameMaker Ver.6E(PC) magicolor 7300 Contents

02.11.11

Contents

1. SAFETY PRECAUTIONS FOR INSPECTION AND

SERVICE ..................................................................................P-1

1-1. Warning .................................................................................... P-1

1-2. Caution ..................................................................................... P-3

1-3. Used Batteries Precautions ...................................................... P-5

1-4. Other Precautions ..................................................................... P-6

1-5. Precautions for Service ............................................................. P-6

1-6. Safety information ................................................................... P-10

(1) Laser Safety ..................................................................... P-10

(2) Internal Laser Radiation ................................................... P-10

1-7. Laser Safety Label .................................................................. P-13

1-8. Laser Caution Label ................................................................ P-13

1-9. Precautions for Handling the Laser Equipment ...................... P-13

GENERAL

1. SPECIFICATIONS ................................................................... G-1

2. PRECAUTIONS FOR INSTALLATION .................................... G-4

2-1. Installation Site .........................................................................G-4

2-2. Power Source ...........................................................................G-4

2-3. Grounding .................................................................................G-4

2-4. Space Requirements ................................................................G-5

3. PRECAUTIONS FOR USE ...................................................... G-6

3-1. To ensure that the printer is used in an optimum condition ......G-6

3-2. Operating Environment .............................................................G-6

3-3. Power Requirements ................................................................G-6

3-4. Other Precautions .....................................................................G-6

4. HANDLING CONSUMABLES .................................................. G-7

5. LIST OF NAMES ..................................................................... G-8

MECHANICAL/ELECTRICAL

1. CROSS-SECTION VIEW ......................................................... M-1

2. ElECTRICAL PARTS LAYOUT ............................................... M-2

2-1. Printer .......................................................................................M-2

2-2. Controller ..................................................................................M-4

3. OPERATING SEQUENCE ...................................................... M-5

4. IMAGE STABILIZATION CONTROL ....................................... M-6

4-1. Image Stabilization Control .......................................................M-6

4-2. Operation Timing ......................................................................M-7

4-3. Image stabilization control flow .................................................M-8

4-4. AIDC Sensor .............................................................................M-9

FrameMaker Ver.6E(PC) magicolor 7300 Contents

02.11.11

5. PRINT HEAD (PH) ................................................................. M-10

5-1. System Configuration .............................................................M-10

5-2. Laser exposure process .........................................................M-11

5-3. Laser emission timing .............................................................M-12

5-4. Laser emission area ...............................................................M-13

(1) FD Direction .....................................................................M-13

(2) CD Direction .....................................................................M-13

5-5. Cooling of Print Head Unit ......................................................M-14

6. PRINT UNIT ........................................................................... M-15

6-1. System Configuration .............................................................M-15

6-2. Drive Print Unit ........................................................................M-16

(1) Drive Overall Unit .............................................................M-16

(2) Drive in Unit .....................................................................M-16

6-3. Print Unit Detection .................................................................M-17

(1) Set detection ....................................................................M-17

(2) New unit detection ...........................................................M-17

6-4. Toner Cartridge detection .......................................................M-17

(1) Set detection ....................................................................M-17

(2) New unit detection ...........................................................M-17

6-5. PC Drum .................................................................................M-18

6-6. PC Drum Charging .................................................................M-19

(1) Charged area Ozone Ventilation ......................................M-20

6-7. Developing Section .................................................................M-21

(1) Composition .....................................................................M-21

(2) Toner Conveyor ...............................................................M-22

(3) Developing System ..........................................................M-23

(4) Toner Level Detection ......................................................M-24

(5) Toner Cartridge Shutter Open/Close Mechanism ............M-25

6-8. Cleaner ...................................................................................M-26

7. IMAGE TRANSFER SECTION .............................................. M-27

7-1. Construction of Transfer Belt Unit ...........................................M-27

7-2. Transfer Belt Unit Drive ..........................................................M-28

7-3. New Transfer Belt Unit Detection ...........................................M-28

7-4. Transfer Belt Unit Set Detection .............................................M-29

7-5. Color Shift Detection ...............................................................M-30

(1) Simple correction .............................................................M-30

(2) Full correction ..................................................................M-30

7-6. Color Shift Correction .............................................................M-31

7-7. First Image Transfer Roller Pressure/

Retraction Mechanism ............................................................M-33

(1) Pressure/Retraction Mechanism ......................................M-33

(2) Pressure Position Switching Mechanism .........................M-34

7-8. 2nd Image Transfer Pressure/Retraction Mechanism ............M-35

7-9. 2nd Image Transfer ................................................................M-36

7-10. 2nd Image Transfer ................................................................M-36

7-11. Image Transfer ATVC Control ................................................M-37

FrameMaker Ver.6E(PC) magicolor 7300 Contents

02.11.11

7-12. Temperature/Humidity Sensor ................................................M-38

7-13. Transfer Belt Cleaning Mechanism .........................................M-39

7-14. Cleaning the 2nd Image Transfer Roller .................................M-39

7-15. Waste Toner Box ....................................................................M-40

(1) Installing the Waste Toner Box ........................................M-40

(2) Waste Toner Near-Full/Full Detection ..............................M-40

8. FUSING SECTION ................................................................ M-41

8-1. Drive of Fuser Unit ..................................................................M-41

8-2. Fuser Unit Drive ......................................................................M-42

8-3. Control of Loop Before Fusing ................................................M-42

8-4. New Fuser Unit Detection .......................................................M-43

8-5. Pressure of Fusing Roller .......................................................M-43

8-6. Temperature Control ...............................................................M-44

(1) Fusing Temperature control flow .....................................M-44

(2) Control at Warm-up ..........................................................M-45

(3) Temperature Control During Standby ..............................M-45

(4) Temperature Control During Printing ...............................M-46

(5) Pre-heat Mode Control .....................................................M-46

(6) Sleep Mode ......................................................................M-46

(7) Heating heater switch control ...........................................M-47

9. PAPER TAKE-UP SECTION ................................................. M-48

9-1. 1st Drawer ..............................................................................M-48

(1) Tray set detection ............................................................M-48

(2) Paper Size Detection .......................................................M-49

(3) Paper Near-empty Detection ...........................................M-50

(4) Paper Empty Detection ....................................................M-50

(5) Paper Take-Up Mechanism .............................................M-51

9-2. 2nd Drawer .............................................................................M-52

(1) Tray set detection ............................................................M-52

(2) Paper Size Detection .......................................................M-53

(3) Paper Empty Detection ....................................................M-54

(4) Paper Empty Detection ....................................................M-54

(5) Paper Take-Up Mechanism .............................................M-55

(6) Vertical Transport Mechanism .........................................M-55

(7) Edge Guides and Trailing Edge Stop ...............................M-56

(8) Paper Lifting Plate ............................................................M-56

9-3. Manual Bypass Paper Take-Up Unit (Optional) ......................M-57

(1) Manual Feed Paper Take-Up Mechanism .......................M-57

(2) Manual feed operation .....................................................M-57

10. TRANSPORT SECTION ........................................................ M-58

10-1. Synchronizing Roller Drive .....................................................M-58

10-2. Image Transfer Failure Prevention During High Humidity ......M-58

10-3. Switch of system speed ..........................................................M-59

10-4. OHP Detecting ........................................................................M-59

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FrameMaker Ver.6E(PC) magicolor 7300 Contents

02.11.11

11. DUPLEX UNIT (OPTIONAL) ................................................. M-60

11-1. Drive of Duplex Unit ................................................................M-60

11-2. Paper Feeding System ...........................................................M-61

(1) Operations in 2-sided printing with a single sheet of

paper resident in, and circulated through, the system .....M-61

(2) Operations for 2-sided printing with two sheets of

paper resident in the system, and with a new sheet of paper

taken up when a printed page with images printed on both

sides is fed out. ................................................................M-62

MAINTENANCE

1. MAINTENANCE SCHEDULE LIST ..........................................E-1

1-1. Guidelines for Life-time Expected Values by Unit ..................... E-3

(1) Guideline for Near-Life values ........................................... E-3

(2) Guidelines for life value ...................................................... E-3

2. DISASSEMBLY/REASSEMBLY AND CLEANING ...................E-5

(1) Cleaning the Paper Take-Up Roll ...................................... E-5

(2) Replacing the Paper Take-Up Roll .................................... E-5

(3) Cleaning the Paper Separator Roll .................................... E-6

(4) Replacing of the Separator Roll Assembly ........................ E-7

(5) Cleaning the Vertical Transport Roller/Roll ........................ E-7

(6) Replacing the Waste Toner Box ........................................ E-8

(7) Replacing the Ozone Filter ................................................ E-9

3. REPLACING THE UNITS .......................................................E-10

(1) Replacing the Print Unit ................................................... E-10

(2) Replacing the Toner Cartridge ......................................... E-16

(3) Replacing the Fuser Unit ................................................. E-19

(4) Replacing the Transfer Belt Unit ...................................... E-22

ASSEMBLY/DISASSEMBLY

1. SERVICE INSTRUCTIONS ..................................................... D-1

1-1. Identification of Fuses ............................................................... D-1

1-2. Parts Which Must Not Be Touched ........................................... D-2

(1) Screws that must not be removed ..................................... D-2

(2) Do not turn on the Variable Resistors on Board ................ D-2

2. ASSEMBLY/DISASSEMBLY ................................................... D-3

2-1. Doors, Covers and Exterior Parts ............................................. D-3

2-2. Removing Doors, Covers and Exterior Parts ............................ D-4

(1) Removing the Front Door ................................................... D-4

(2) Removing the Left Cover ................................................... D-5

(3) Removing the Panel Cover ................................................ D-5

(4) Removing the Top Cover ................................................... D-6

(5) Remove the Ozone Filter Cover ........................................ D-6

(6) Removing the Rear Cover ................................................. D-6

2-3. Removing Circuit Boards and other Electrical Components ..... D-7

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