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Konica Minolta QMS magicolor 7300 Service Manual


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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



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   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


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        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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   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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                (1) Removing the Control Board .............................................. D-8
               
               
                (2) Removing the Controller Board ........................................ D-12
                (3) Remove the 2nd Drawer Control Board ........................... D-13
                (4) Removing the High Resistance Board ............................. D-14
                (5) Removing the First Drawer Paper Size Detecting
                    Board ............................................................................... D-14
                (6) Removing the Heater Lamp Control Board ...................... D-15
                (7) Removing the DC Power Supply ..................................... D-16
                (8) Removing the Control Panel ............................................ D-17
                (9) Removing High Voltage Units 1 and 2 ............................. D-17
               
                (1) Removing the Manual Feed Detecting Board .................. D-18
               
                (1) Removing the Duplex Unit Control Board ........................ D-19
               
                (1) Removing the Paper Feed Unit Control Board ................ D-20
        2-4.    Removing Units ...................................................................... D-22
                (1) Removing the Print Head Unit ......................................... D-22
                (2) Removing the 2nd Drawer ............................................... D-23
                (3) Removing of the Manual Feed Unit (optional) ................. D-25
                (4) Removing the Duplex Unit (optional) ............................... D-26
                (5) Removing of the Paper Feed Unit (optional) .................... D-28
        2-5.    Cleaning and Disassembly of the Engine Parts ...................... D-31
                (1) Composition of Transfer Belt Unit .................................... D-31
                (2) Cleaning of the Fusing Entrance Guide Plate .................. D-31
                (3) Cleaning the Print Head Unit window surface .................. D-32
                (4) Cleaning the AIDC Sensor ............................................... D-32
                (5) Removing the Paper Supply Drive Motor ......................... D-32
                (6) Removing the Transport Drive Motor ............................... D-33
                (7) Removing the Transport Roller Motor .............................. D-33
                (8) Removing the Print Unit Drive Motor YMC/Bk ................. D-34
                (9) Removing the 1st Image Transfer Pressure/Retraction
                     Clutch ............................................................................... D-34
                (10) Remove the 2nd Drawer Paper Take-Up Clutch ............. D-35
                (11) Remove the Paper Take-Up Motor for the 2nd Drawer ... D-36
                (12) Removing the Registration Sensor .................................. D-37
                (13) Removing the Temperature/Humidity Sensor .................. D-38
                (14) Removing the Hard Disk Drive (optional) ......................... D-39
        2-6.    Disassembing the Manual Feed Unit (optional) ...................... D-40
                (1) Removing the Manual Feed Motor ................................... D-40
                (2) Removing the Paper Take-Up Drive Roller ...................... D-41
        2-7.    Disassembling the Duplex Unit (optional) ............................... D-43
                (1) Removing the Duplex Unit Drive Motor ............................ D-43

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                (2) Removing the Wire Stopper ............................................. D-44
             
        2-8. Disassembling the Paper Feed Unit (optional) ....................... D-48
              (1) Removing the Paper Take-Up Clutch .............................. D-48
              (2) Removing the Paper Take-Up Motor ............................... D-49

CONTROL PANEL/Panel Menu Operations
   1. CONTROL PANEL ...................................................................S-1
        1-1.    Names and Functions of Control Panel Keys ........................... S-1
        1-2.    Control Panel Display ............................................................... S-3
                (1) Basic Screen ...................................................................... S-3
                (2) Warning Screen ................................................................. S-3
        1-3.    Control Panel Message ............................................................ S-4
                (1) Standard State Message ................................................... S-4
                (2) Caution Message ............................................................... S-4
                (3) Start-up Messages ............................................................. S-5
                (4) Operator Call Message ...................................................... S-6
                (5) Service Call Message ........................................................ S-7
        1-4.    Canceling a Print Job ................................................................ S-8
   2. PANEL MENU ..........................................................................S-9
        2-1.    Summary of Panel Menu .......................................................... S-9
        2-2.    Sub-menu ............................................................................... S-10
                (1) PAPER ............................................................................. S-10
                (2) QUALITY .......................................................................... S-11
                (3) INTERFACE ..................................................................... S-12
                (4) SYS DEFAULT ................................................................ S-13
                (5) SERVICE ......................................................................... S-14
        2-3.    Contents of Panel Menu ......................................................... S-15
                (1) PRINT .............................................................................. S-15
                (2) PAPER ............................................................................. S-15
                (3) QUALITY .......................................................................... S-16
                (4) INTERFACE ..................................................................... S-16
                (5) SYS DEFAULT ................................................................ S-17
                (6) SERVICE ......................................................................... S-18
                (7) PASSWORD PROTECTION ........................................... S-19
   3. MAINTENANCE MODE ..........................................................S-20
        3-1.    SETTING THE MAINTENANCE MODE ................................. S-20
        3-2.    Summary of the Maintenance Mode ....................................... S-21
        3-3.    Maintenance Menu ................................................................. S-21
        3-4.    Contents of Maintenance Mode .............................................. S-22
                (1) REGIST ROLLER ............................................................ S-22
                (2) TRANSFER POWER ....................................................... S-22
                (3) RESTORE PASSWORD .................................................. S-22
   4. UPDATE FIRMWARE .............................................................S-23
        4-1.    Update using IEEE1284 Parallel Cable .................................. S-23


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        4-2.     Network Cable (FTP) Update ................................................. S-25
        4-3.     When Update Fails ................................................................. S-26

TROUBLESHOOTING
   1. INTRODUCTION ...................................................................... T-1
        1-1.     Checking the electrical components ......................................... T-1
                 (1) Sensor ................................................................................ T-1
                 (2) Switch ................................................................................ T-2
                 (3) Solenoid ............................................................................. T-2
                 (4) Clutch ................................................................................. T-3
                 (5) Motor .................................................................................. T-3
        1-2.     System Control Block Diagram ................................................. T-5
   2. JAM ........................................................................................... T-6
        2-1.     Initial Check Items .................................................................... T-6
        2-2.     Misfeed Display ........................................................................ T-7
        2-3.     Misfeed Detecting Sensor Layout ............................................. T-8
        2-4.     Misfeed Detection Timing/Troubleshooting Procedures ........... T-9
                 (1) Misfeed in the 1st Drawer Paper Take-Up Section ............ T-9
                 (2) 2nd Drawer Paper Misfeed .............................................. T-10
                 (3) 3rd and 4th Drawers Paper Take-Up Section Misfeed
                       (Optional) ......................................................................... T-11
                 (4) Manual Bypass Take-Up Misfeed (Optional) ................... T-12
                 (5) Duplex Paper Take-up Section Misfeed (Optional) .......... T-13
                 (6) Duplex Transport Section Misfeed (Optional) .................. T-14
                 (7) Vertical Transport Misfeed ............................................... T-15
                 (8) 2nd Image Transfer Misfeed ............................................ T-17
                 (9) Fusing/Exit Misfeed .......................................................... T-18
   3. MALFUNCTIONS ...................................................................T-19
        3-1.     Malfunction Codes .................................................................. T-19
        3-2.     Malfunction Detection Timing and Troubleshooting
                 Procedure ............................................................................... T-21
                 (1) C15, C23, C24: Boot Flash ROM Access Failure ............ T-21
                 (2) C26, C27: SMARTMEDIA Write/Read Failure ................. T-21
                 (3) C50: HDD Access Failure ................................................ T-22
                 (4) C28: LSI Calibration Failure ............................................. T-22
                 (5) C02, C03: RAM Access Failure ....................................... T-23
                 (6) C22: EEPROM Access Failure ........................................ T-23
                 (7) C13: MAC Address Error ................................................. T-24
                 (8) C51: HDD Data Capacity Full .......................................... T-24
                 (9) 13C8: New Transfer Belt Unit resetting failure ................. T-25
                 (10) 13CA: New Fuser Unit resetting failure ............................ T-25
                 (11) 13D0: EEPROM Failure (Main Unit) ................................ T-26
                 (12) 13D5: EEPROM Failure (PH Unit) ................................... T-26
                 (13) 13E2: Flash ROM Write Failure ....................................... T-27
                 (14) 13E3: Flash ROM Device Failure .................................... T-27
                 (15) 0010: PU Drive Motor C/M/Y Failure ............................... T-28


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                (16) 0017: PU Drive Motor Bk Failure ..................................... T-28
                (17) 3046: Fusing Cooling Fan Motor Failure .......................... T-29
                (18) 3047: PH Cooling Fan Motor Failure ............................... T-29
                (19) 3048: PU Cooling Fan Motor Failure ............................... T-29
                (20) 0040: Suction Fan Motor Failure ...................................... T-29
                (21) 004C: Ozone Fan Motor Failure ...................................... T-29
                (22) 004E: Power Supply Cooling Fan Motor Failure .............. T-29
                (23) 0094: 2nd Image Transfer Roller Pressure/Retraction
                     failure ............................................................................... T-32
                (24) 0096: Image Transfer Belt Pressure/Retraction failure .... T-32
                (25) 0060: Fusing Drive Motor Failure ..................................... T-33
                (26) 3020: Paper Take-Up Drive Motor Failure ....................... T-33
                (27) 3021: Transport Drive Motor Failure ................................ T-33
                (28) 3022: Duplex Unit Drive Motor Failure ............................. T-33
                (29) 3023: Manual Bypass Unit Paper Take-Up Motor
                     Failure .............................................................................. T-33
                (30) 0250: Power Supply (24 V) Failure .................................. T-35
                (31) 0300: Polygon Motor Failure ............................................ T-36
                (32) 0310: Laser Failure .......................................................... T-36
                (33) 0500: Heating Roller Warm-Up Failure ............................ T-37
                (34) 0501: Fusing Pressure Warm-Up Failure ........................ T-37
                (35) 0510: Heating Roller abnormally low temperature ........... T-37
                (36) 0511: Fusing Pressure Roller abnormally low
                     temperature ...................................................................... T-37
                (37) 0520: Heating Roller abnormally high temperature ......... T-37
                (38) 0521: Fusing Pressure Roller abnormally high
                     temperature ...................................................................... T-37
                (39) FFFF: I/F Communication Failure .................................... T-38
   4. POWER SUPPLY-RELATED MALFUNCTIONS ....................T-39
        4-1.    Printer is not energized at all .................................................. T-39
   5. OTHER PRECAUTIONS ........................................................T-40
        5-1.    Emergency Stop Error ............................................................ T-40
                (1) Door Open Error .............................................................. T-40
                (2) Unit not mounted error ..................................................... T-40
        5-2.    Print Prohibition Error ............................................................. T-41
        5-3.    Warning Error ......................................................................... T-41
   6. IMAGE PROBLEM ..................................................................T-42
        6-1.    Troubleshooting Procedure by a Particular Image Quality
                Problem .................................................................................. T-42
                (1) IR System: white lines in FD, white bands in FD, colored
                    lines in FD, and colored bands in FD ............................... T-42
                (2) white lines in CD, white bands in CD, colored lines in CD,
                    and colored bands in CD ................................................. T-44
                (3) Uneven FD Density .......................................................... T-45
                (4) Uneven CD Density ......................................................... T-46
                (5) Low Density (lowered ID) ................................................. T-47


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                (6) Gradation Failure ............................................................. T-48
                (7) Color Reproduction Failure .............................................. T-49
                (8) Foggy Background ........................................................... T-50
                (9) Void area, white spots ...................................................... T-51
                (10) Faulty Image .................................................................... T-52
                (11) Blank Copy, Black Copy .................................................. T-53
                (12) Color Shift Failure ............................................................ T-54
                (13) Colored Spots .................................................................. T-55
                (14) Poor Fusing Performance, Offset .................................... T-56
                (15) Brush Effect, Blurred Image ............................................. T-57
                (16) Back Marking ................................................................... T-58
                (17) Uneven Pitch .................................................................... T-59




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1.     SAFETY PRECAUTIONS FOR INSPECTION AND
       SERVICE



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