Konica Minolta MagiColor 4750EN MagiColor 4750DN Field Service Manual

Field Service Manual Konica Minolta MagiColor 4750EN MagiColor 4750DN;
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MAGICOLOR 4750EN/4750DN MAIN BODY
OUTLINE
1. SYSTEM CONFIGURATION
2. PRODUCT SPECIFICATIONS
MAINTENANCE
3. PERIODICAL MAINTENANCE ITEM
3.1 PERIODICAL REPLACEMENT PARTS LIST (CRU)
3.2 PERIODICAL REPLACEMENT PARTS LIST (FRU)
3.2.1 MAIN BODY
3.2.2 OPTION
3.3 CONCEPT OF PARTS LIFE
4. PERIODICAL MAINTENANCE PROCEDURE
4.1 PROCESSING SECTION
4.1.1 REPLACING THE TONER CARTRIDGE (C, M, Y, K)
4.1.2 REPLACING THE IMAGING UNIT (C, M, Y, K)
4.2 TRANSFER SECTION
4.2.1 REPLACING THE WASTE TONER BOTTLE
4.2.2 REPLACING THE TRANSFER ROLLER
4.2.3 REPLACING THE TRANSFER BELT
4.3 FUSING SECTION
4.3.1 REPLACING THE FUSER UNIT
4.4 FEED SECTION
4.4.1 REPLACING THE TRAY1 FEED ROLLER
4.4.2 REPLACING THE TRAY2 FEED ROLLER
5. SERVICE TOOL
5.1 SERVICE MATERIAL LIST
5.2 CE TOOL LIST
6. FIRMWARE REWRITING
6.1 CHECKING THE CURRENT FIRMWARE VERSION
6.2 FIRMWARE UPGRADING PROCEDURE BY USB MEMORY DEVICE
6.2.1 PREPARATIONS FOR FIRMWARE REWRITING
6.3 FIRMWARE UPGRADING PROCEDURE BY UPDATER
6.3.1 UPDATING METHOD
6.3.2 CHECKING THE VERSION AFTER THE FIRMWARE UPDATE
7. OTHER MAINTENANCE ITEM
7.1 ITEMS NOT ALLOWED TO BE DISASSEMBLED AND ADJUSTED
7.1.1 PH UNIT
7.1.2 FUSING UNIT
7.2 DISASSEMBLY/REASSEMBLY PARTS LIST
7.2.1 CLEANING PARTS LIST
7.3 DISASSEMBLY/REASSEMBLY PROCEDURE
7.3.1 LEFT COVER
7.3.2 REAR RIGHT COVER
7.3.3 EXIT COVER
7.3.4 FRONT RIGHT COVER
7.3.5 OPERATION PANEL
7.3.6 UPPER COVER
7.3.7 TRAY2
7.3.8 TRAY1
7.3.9 MFP BOARD (MFPB)
7.3.10 PRINT CONTROL BOARD (PRCB)
7.3.11 DC POWER SUPPLY (DCPU)
7.3.12 HIGH VOLTAGE UNIT (HV1)
7.3.13 PH UNIT
7.3.14 HARD DISK KIT (HD-P03)
7.3.15 CF ADAPTER (MK-725)
7.3.16 BACKUP BATTERY
7.3.17 DEVELOPING MOTOR (M1)
7.3.18 MAIN MOTOR (M2)
7.3.19 COLOR PC DRUM MOTOR (M4)
7.3.20 DC POWER SUPPLY FAN MOTOR (FM10)
7.3.21 COOLING FAN MOTOR (FM11)
7.3.22 TRAY2 MEDIA FEED CLUTCH (CL1) / TRAY1 MEDIA FEED CLUTCH (CL2)
7.3.23 REGISTRATION CLUTCH (CL3)
7.3.24 TONER SUPPLY CLUTCH/Y (CL4) / TONER SUPPLY CLUTCH/M (CL5)
TONER SUPPLY CLUTCH/C (CL6) / TONER SUPPLY CLUTCH/K (CL7)
7.3.25 LOOP DETECTION CLUTCH (CL8)
7.3.26 SWITCHBACK ROLLER FEED CLUTCH (CL11) / SWITCHBACK ROLLER REVERSE CLUTCH
(CL12)
7.3.27 DUPLEX CONVEYANCE ROLLER CLUTCH (CL13)
7.3.28 2ND TRANSFER RELEASE SOLENOID (SD2)
7.3.29 TEMPERATURE/ HUMIDITY SENSOR (TEM/HUMS)
7.3.30 IDC SENSOR (IDC)
7.4 CLEANING PROCEDURE
7.4.1 TRAY1 FEED ROLLER
7.4.2 TRAY2 FEED ROLLER
7.4.3 LASER IRRADIATION SECTION
ADJUSTMENT/SETTING
8. HOW TO USE THE ADJUSTMENT/SETTING SECTION
9. UTILITY
9.1 LIST OF MENU FUNCTIONS
9.2 STATISTICS PAGE
9.2.1 SAMPLE OF STATISTICS PAGE
9.3 RESTORE DEFAULTS
10. SERVICE MODE
10.1 LIST OF SERVICE MODE
10.2 STARTING/EXITING
10.2.1 STARTING PROCEDURE
10.3 SERIAL NUMBER
10.4 FIRMWARE VERSION
10.5 ALIGNMENT
10.5.1 TOP ADJUSTMENT
10.5.2 LEFT ADJUSTMENT
10.5.3 LEFT ADJ DUPLEX
10.5.4 TRANSFER POWER-SIMPLEX PASS
10.5.5 TRANSFER POWER-MANUAL DUPLEX
10.5.6 IMG ADJ THICK
10.5.7 IMG ADJ BLACK
10.5.8 IMAGE ADJ PARAM
10.5.9 TEMPERATURE
10.5.10 FUSER CONTROL
10.5.11 AIDC MODE
10.5.12 THICK MODE
10.5.13 FINE LINE ADJ
10.6 MAIN SCAN ADJUST
10.6.1 MAIN SCAN PAGE
10.6.2 SCAN ADJUST VALUE
10.7 PRINT MENU
10.7.1 MAINTENANCE INFO
10.7.2 EVENT LOG
10.7.3 CONFIGURATION PG
10.7.4 ELEMENT PAGE
10.7.5 HALF TONE 64
10.7.6 HALF TONE 128
10.7.7 HALF TONE 256
10.7.8 GRADATION
10.8 SUPPLIES
10.8.1 REPLACE-TRANS. BELT
10.8.2 REPLACE-TRANS. ROLLER
10.8.3 REPLACE-FUSER UNIT
10.9 RESTORE PASSWARD
10.10 BK CLEAR
10.11 QUICK SETTING
10.11.1 UPDATE SETTING
10.11.2 BACKUP SETTING
10.12 FIRMWARE UPDATE
10.12.1 VIEW INFORMATION
10.12.2 EXECUTE
10.13 SOFT SWITCH
10.14 ENGINE DIPSW
10.15 FUNCTION
10.15.1 PRINT-TEST PRINT A4/TEST PRINT LETTER
10.15.2 COMP. CHECK
10.15.3 SENSOR CHECK
10.16 TONER OUT MODE
10.17 IU YIELD SETTINGS
TROUBLESHOOTING
11. JAM DISPLAY
11.1 MISFEED DISPLAY
11.2 MISFEED DISPLAY RESETTING PROCEDURE
11.3 SENSOR LAYOUT
11.4 SOLUTION
11.4.1 INITIAL CHECK ITEMS
11.4.2 MISFEED AT FUSING/EXIT SECTION
11.4.3 MISFEED AT TRANSFER SECTION
11.4.4 MISFEED AT TRAY1 MEDIA FEED SECTION
11.4.5 MISFEED AT TRAY 2 MEDIA FEED SECTION
11.4.6 MISFEED AT TRAY 3 MEDIA FEED SECTION
11.4.7 MISFEED AT TRAY 3 VERTICAL CONVEYANCE SECTION
11.4.8 MISFEED AT DUPLEX MEDIA TRANSPORT SECTION (MAGICOLOR 4750DN ONLY)
11.4.9 MISFEED AT DUPLEX MEDIA FEED SECTION (MAGICOLOR 4750DN ONLY)
11.4.10 MEDIA MISFEED IN CONTROL LOGIC
12. PROCESS CAUTION INFROMATION
12.1 DISPLAY PROCEDURE
12.2 LIST
12.3 SOLUTION
12.3.1 TEMPERATURE/ HUMIDITY SENSOR FAILURE
12.3.2 IDC SENSOR FAILURE
12.3.3 COLOR REGIST TEST PATTERN FAILURE
12.3.4 COLOR REGIST ADJUST FAILURE
13. MALFUNCTION CODE
13.1 TROUBLE CODES (SERVICE CALL)
13.1.1 TROUBLE CODE LIST
13.2 RESETTING A MALFUNCTION
13.3 SOLUTION
13.3.1 0010: COLOR PC DRUM MOTOR MALFUNCTION
13.3.2 0017: MAIN MOTOR MALFUNCTION
13.3.3 0018: DEVELOPING MOTOR MALFUNCTION
13.3.4 004A: COOLING FAN MOTOR MALFUNCTION
13.3.5 004E: DC POWER SUPPLY FAN MOTOR MALFUNCTION
13.3.6 0062: TRAY 3 MEDIA FEED MOTOR MALFUNCTION
13.3.7 0094: 2ND IMAGE TRANSFER PRESSURE/RETRACTION FAILURE
13.3.8 0096: 1ST IMAGE TRANSFER PRESSURE/RETRACTION FAILURE
13.3.9 0300: POLYGON MOTOR MALFUNCTION
13.3.10 0310: LASER MALFUNCTION
13.3.11 0500: HEATING ROLLER WARM-UP FAILURE
13.3.12 0502: THERMISTOR OPEN-CIRCUIT FAILURE
13.3.13 0503: THERMISTOR RESISTANCE FAILURE
13.3.14 0510: ABNORMALLY LOW HEATING ROLLER TEMPERATURE
13.3.15 0520: ABNORMALLY HIGH HEATING ROLLER TEMPERATURE
13.3.16 0F52: TONER LEVEL SENSOR/Y MALFUNCTION
13.3.17 0F53: TONER LEVEL SENSOR/M MALFUNCTION
13.3.18 0F54: TONER LEVEL SENSOR/C MALFUNCTION
13.3.19 0F55: TONER LEVEL SENSOR/K MALFUNCTION
13.3.20 13DD: BACKUP DATA ERROR
13.3.21 13E2: ENGINE FLASH ROM WRITE ERROR
13.3.22 13E3: ENGINE FLASH ROM DEVICE FAULT
13.3.23 13F0: ENGINE CONTROL FAILURE
13.3.24 C002: RAM ERROR AT STARTUP (STANDARD MEMORY)
C003: RAM ERROR AT STARTUP (EXPANDED MEMORY)
13.3.25 C013: MAC ADDRESS ERROR AT STARTUP
13.3.26 C015: BOOT ROM ERROR AT STARTUP
13.3.27 C025: CONTROLLER ROM ERROR (CONFIGURATION INFORMATION ERROR)
13.3.28 C026: CONTROLLER ROM ERROR (ACCESS ERROR)
13.3.29 C027: CONTROLLER ROM ERROR (DATA ERROR)
13.3.30 C050: HDD ACCESS ERROR
13.3.31 C051: HDD FULL ERROR
13.3.32 C052: COMPACT FLASH ACCESS ERROR
13.3.33 C053: COMPACT FLASH FULL ERROR
13.3.34 C060: FIRMWARE UPDATE ERROR
13.3.35 FFFF: INTERFACE COMMUNICATION ERROR
14. POWER SUPPLY TROUBLE
14.1 MACHINE IS NOT ENERGIZED AT ALL (DCPU OPERATION CHECK)
14.2 CONTROL PANEL INDICATORS DO NOT LIGHT
14.3 FUSING HEATERS DO NOT OPERATE
15. IMAGE QUALITY PROBLEMS
15.1 HOW TO IDENTIFY PROBLEMATIC PART
15.1.1 INITIAL CHECK ITEM
15.2 SOLUTION
15.2.1 PRINTER MONOCOLOR: WHITE LINES, WHITE BANDS, COLORED LINES AND COLORED BANDS
IN SUB SCAN DIRECTION
15.2.2 PRINTER MONOCOLOR: WHITE LINES, WHITE BANDS, COLORED LINES AND COLORED BANDS
IN MAIN SCAN DIRECTION
15.2.3 PRINTER MONOCOLOR: UNEVEN DENSITY IN SUB SCAN DIRECTION
15.2.4 PRINTER MONOCOLOR: UNEVEN DENSITY IN MAIN SCAN DIRECTION
15.2.5 PRINTER MONOCOLOR: LOW IMAGE DENSITY
15.2.6 PRINTER MONOCOLOR: GRADATION REPRODUCTION FAILURE
15.2.7 PRINTER MONOCOLOR: FOGGY BACKGROUND
15.2.8 PRINTER MONOCOLOR: VOID AREAS, WHITE SPOTS
15.2.9 PRINTER MONOCOLOR: COLORED SPOTS
15.2.10 PRINTER MONOCOLOR: BLURRED IMAGE
15.2.11 PRINTER MONOCOLOR: BLANK COPY, BLACK COPY
15.2.12 PRINTER MONOCOLOR: UNEVEN IMAGE
15.2.13 PRINTER 4-COLOR: WHITE LINES, WHITE BANDS, COLORED LINES AND COLORED BANDS IN
SUB SCAN DIRECTION
15.2.14 PRINTER 4-COLOR: WHITE LINES, WHITE BANDS, COLORED LINES AND COLORED BANDS IN
MAIN SCAN DIRECTION
15.2.15 PRINTER 4-COLOR: UNEVEN DENSITY IN SUB SCAN DIRECTION
15.2.16 PRINTER 4-COLOR: UNEVEN DENSITY IN MAIN SCAN DIRECTION
15.2.17 PRINTER 4-COLOR: LOW IMAGE DENSITY
15.2.18 PRINTER 4-COLOR: POOR COLOR REPRODUCTION
15.2.19 PRINTER 4-COLOR: INCORRECT COLOR IMAGE REGISTRATION
15.2.20 PRINTER 4-COLOR: VOID AREAS, WHITE SPOTS
15.2.21 PRINTER 4-COLOR: COLORED SPOTS
15.2.22 PRINTER 4-COLOR: POOR FUSING PERFORMANCE, OFFSET
15.2.23 PRINTER 4-COLOR: BRUSH EFFECT, BLURRED IMAGE
15.2.24 PRINTER 4-COLOR: BACK MARKING
15.2.25 PRINTER 4-COLOR: UNEVEN IMAGE
16. IC PROTECTOR
16.1 OUTLINE
16.2 IC PROTECTOR LIST
16.2.1 MAIN BODY
16.2.2 LOWER FEEDER UNIT
APPENDIX
17. PARTS LAYOUT DRAWING
17.1 MAIN BODY
17.2 LOWER FEEDER UNIT (OPTION)
18. CONNECTOR LAYOUT DRAWING
18.1 PRINTER CONTROL BOARD (PRCB)
18.2 MFP BOARD (MFPB)
18.3 PC CONTROL BOARD (PCCB)
19. CONNECTOR LAYOUT DRAWING
20. TIMING CHART

LOWER FEEDER UNIT (PF-P07)
OUTLINE
1. PRODUCT SPECIFICATIONS
MAINTENANCE
2. PERIODICAL MAINTENANCE PROCEDURE
2.1 FEED SECTION
2.1.1 REPLACING THE TRAY3 FEED ROLLER
3. OTHER MAINTENANCE ITEM
3.1 ITEMS NOT ALLOWED TO BE DISASSEMBLED AND ADJUSTED
3.2 DISASSEMBLY/REASSEMBLY PARTS LIST
3.3 CLEANING PARTS LIST
3.4 DISASSEMBLY/REASSEMBLY PROCEDURE
3.4.1 REAR COVER
3.4.2 REAR RIGHT COVER
3.4.3 LOWER FEEDER UNIT
3.4.4 PC CONTROL BOARD (PCCB)
3.4.5 MEDIA FEED MOTOR (M1)
3.4.6 MEDIA FEED CLUTCH (CL1)
3.4.7 CONVEYANCE CLUTCH (CL2)
3.5 CLEANING POINT
3.5.1 TRAY3 MEDIA FEED ROLLERS
3.5.2 CONVEYANCE ROLLER

Number of pages: 244.