Field Service Manual Konica Minolta Magicolor 7450-7450II;
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Magicolor 7450/7450 II Main body
Outline
1. System configuration
2. Product specifications

MAINTENANCE
3. Periodical check
3.1 Maintenance items
3.1.1 Parts to be replaced by users (CRU)
3.1.2 Periodical parts replacement 1 (per 120,000-print)
3.1.3 Periodical parts replacement 2 (per 200,000-print)
3.1.4 Periodical parts replacement 3 (per 300,000-print)
3.2 Maintenance parts
3.2.1 Replacement parts
3.3 Concept of parts life
3.4 Maintenance procedure (periodical check parts)
3.4.1 Replacing the tray 2 feed roller (standard)
3.4.2 Replacing the tray 2 separation roller
3.4.3 Replacing the tray 1 feed roller (bypass)
3.4.4 Replacing the tray 1 separation roller
3.4.5 Replacing the waste toner bottle
3.4.6 Replacing the ozone filter
3.4.7 Replacing the deodorant filter
3.4.8 Replacing the dust filter/vertical conveyance
3.4.9 Replacing the dust filter/cooling fan
3.4.10 Replacing the transfer roller
3.4.11 Replacing the transfer belt unit
3.4.12 Replacing the toner cartridge Y,M,C,K
3.4.13 Replacing the imaging unit Y,M,C,K
3.4.14 Replacing the fusing unit
4. Service tool
4.1 CE tool list
4.2 Print materials
4.2.1 Imaging unit single parts (IU)
4.2.2 Toner cartridge single parts (T/C)
4.2.3 Waste toner bottle
4.2.4 Maintenance kit
5. Firmware upgrade
5.1 Checking the current firmware version
5.2 Firmware upgrading procedure by updater
5.2.1 Updating method
5.2.2 Checking the version after the firmware update
6. Other
6.1 Disassembly/adjustment prohibited items
6.2 Disassembly/assembly/cleaning list (other parts)
6.2.1 Disassembly/assembly parts list
6.2.2 Cleaning parts list
6.3 Disassembly/assembly procedure
6.3.1 Rear left cover/front left cover/upper front cover
6.3.2 Rear right cover/rear cover
6.3.3 Tray 1 left cover /tray 1 right cover /tray 1 upper cover
6.3.4 Front Door
6.3.5 Exit tray
6.3.6 Control panel
6.3.7 Tray 2
6.3.8 Front Cover
6.3.9 Controller board (PWB-P)
6.3.10 Memory (DIMM0)
6.3.11 Hard disk kit (Option)
6.3.12 Mechanical control board (PWB-M)
6.3.13 RTC board (PWB-R)
6.3.14 DC power supply (PU1)
6.3.15 High voltage unit (HV1)
6.3.16 Tray 2 paper size board (PWB-I)
6.3.17 PH interface board (PWB-D)
6.3.18 Multi bypass unit
6.3.19 PH unit
6.3.20 Transport drive assy
6.3.21 Hopper drive assy
6.3.22 Right door assy
6.3.23 Cooling fan motor/2 (M22) assy
6.3.24 Color developing motor (M3)
6.3.25 Color PC drum motor (M2)
6.3.26 Toner supply motor C/K (M7)
6.3.27 Toner supply motor Y/M (M6)
6.3.28 Main motor (M1)
6.3.29 Fusing drive motor (M4)
6.3.30 IDC/registration sensor/1, IDC/registration sensor/2 (SE1/SE2)
6.4 Cleaning procedure
6.4.1 PH window
6.4.2 Transfer belt
6.4.3 Tray 2 feed roller (standard)
6.4.4 Tray 2 separation roller
6.4.5 Tray 1 feed roller (bypass)
6.4.6 Tray 1 separation roller
6.4.7 Registration roller
6.4.8 Area around the waste toner collecting port

ADJUSTMENT/SETTING
7. How to Use the adjustment section
8. Description of the control panel
8.1 Control panel display
8.1.1 Parts of the control panel display
8.1.2 Message structure
8.1.3 Normal messages
8.1.4 Menu
8.1.5 Operator call messages
8.1.6 Service call messages
8.1.7 Help screen
8.2 List of control panel messages
8.2.1 Normal messages
8.2.2 Operator call messages
8.2.3 Service call messages
8.3 Cancelling a print job
9. Menu
9.1 List of Menu functions
9.2 PROOF/PRINT MENU
9.3 PRINT MENU
9.3.1 CONFIGURATION PG
9.3.2 DEMO PAGE
9.3.3 STATISTICS PAGE
9.3.4 FONT LIST
9.3.5 MENU MAP
9.3.6 DIRECTORY LIST
9.4 PAPER MENU
9.4.1 PAPER SOURCE
9.4.2 DUPLEX
9.4.3 COPIES
9.4.4 COLLATE
9.5 QUALITY MENU
9.5.1 COLOR MODE
9.5.2 BRIGHTNESS
9.5.3 PCL SETTING
9.5.4 PS SETTING
9.5.5 CALIBRATION
9.5.6 COLOR SEPARATION
9.5.7 THIN LINE MODE
9.6 CAMERA DIRECT
9.6.1 PAPER SOURCE
9.6.2 LAYOUT
9.6.3 PAPER MARGIN
9.6.4 IMAGE QUALITY
9.7 INTERFACE MENU
9.7.1 JOB TIMEOUT
9.7.2 ETHERNET
9.7.3 CAMERA DIRECT
9.8 SYS DEFAULT MENU
9.8.1 LANGUAGE
9.8.2 EMULATION
9.8.3 PAPER
9.8.4 STARTUP OPTIONS
9.8.5 AUTO CONTINUE
9.8.6 HOLD JOB TIMEOUT
9.8.7 ENERGY SAVER
9.8.8 ENERGY SAVER TIME
9.8.9 MENU TIMEOUT
9.8.10 LCD BRIGHTNESS
9.8.11 SECURITY
9.8.12 CLOCK
9.8.13 HDD FORMAT
9.8.14 CARD FORMAT
9.8.15 RESTORE DEFAULTS
9.8.16 ENABLE WARNING
9.8.17 IMAGING UNIT LIFE
9.9 MAINTENANCE MENU
9.9.1 How to enter the MAINTENANCE MENU
9.9.2 PRINT MENU
9.9.3 ALIGNMENT
10. Adjustment item list
11. SERVICE MENU
11.1 How to enter the SERVICE MENU
11.2 Service mode function tree
11.3 SERVICE MENU setting/adjustment
11.3.1 SERIAL NUMBER
11.3.2 FIRMWARE VERSION
11.3.3 ALIGNMENT
11.3.4 DIAGNOSIS MENU
11.3.5 RESTORE PASSWARD
11.3.6 SOFT SWITCH
12. Mechanical adjustment
12.1 Mechanical adjustment of the tray 1
12.1.1 Adjustment of the tray 1 media size unit
12.2 PH unit mechanical adjustment
12.2.1 Skew adjustment

TROUBLESHOOTING
13. Jam display
13.1 Misfeed display
13.2 Misfeed display resetting procedure
13.3 Sensor layout
13.4 Solution
13.4.1 Initial check items
13.4.2 Misfeed at fusing/exit section
13.4.3 Misfeed at 2nd image transfer section
13.4.4 Misfeed at tray 1 media feed section
13.4.5 Misfeed at tray 2 media feed section
14. Service call message
14.1 Trouble codes
14.1.1 Trouble code list
14.2 How to reset
14.3 Solution
14.3.1 0001: Main motor turning at abnormal timing
14.3.2 0018: Color PC drum motor's failure to turn
14.3.3 0019: Color PC drum motor's turning at abnormal timing
14.3.4 001A: Color developing motor's failure to turn
14.3.5 001B: Color developing motor's turning at abnormal timing
14.3.6 0040: Suction fan motor's failure to turn
14.3.7 0043: Cooling fan motor/1's failure to turn
14.3.8 0046: Fusing cooling fan motor /1's failure to turn
14.3.9 0048: Fusing cooling fan motor /2's failure to turn
14.3.10 004C: Ozone ventilation fan motor's failure to turn
14.3.11 004E: Power supply cooling fan motor's failure to turn
14.3.12 004F: Cooling fan motor 2's failure to turn
14.3.13 0094: 2nd image transfer roller separation
14.3.14 0096: Transfer belt separation
14.3.15 0301: Polygon motor/C failure to turn
14.3.16 0302: Polygon motor/M failure to turn
14.3.17 0303: Polygon motor/Y failure to turn
14.3.18 0304: Polygon motor/K failure to turn
14.3.19 0311: Laser malfunction (cyan)
14.3.20 0312: Laser malfunction (magenta)
14.3.21 0313: Laser malfunction (yellow)
14.3.22 0314: Laser malfunction (black)
14.3.23 0500: Heating roller warm-up failure
14.3.24 0501: Fusing pressure roller warm-up failure
14.3.25 0510: Abnormally low heating roller temperature
14.3.26 0511: Abnormally low fusing pressure roller temperature
14.3.27 0520: Abnormally high heating roller temperature
14.3.28 0521: Abnormally high fusing pressure roller temperature
14.3.29 0960: Manual tray rise descent error
14.3.30 0F30: Abnormally low toner density detected cyan TCR sensor
14.3.31 0F32: Abnormally low toner density detected magenta TCR sensor
14.3.32 0F34: Abnormally low toner density detected yellow TCR sensor
14.3.33 0F31: Abnormally high toner density detected cyan TCR sensor
14.3.34 0F33: Abnormally high toner density detected magenta TCR sensor
14.3.35 0F35: Abnormally high toner density detected yellow TCR sensor
14.3.36 0F36: Abnormally low toner density detected black TCR sensor
14.3.37 0F37: Abnormally high toner density detected black TCR sensor
14.3.38 0F3A: Cyan TCR sensor adjustment failure
14.3.39 0F3B: Magenta TCR sensor adjustment failure
14.3.40 0F3C: Yellow TCR sensor adjustment failure
14.3.41 0F3D: Black TCR sensor adjustment failure
14.3.42 13B0: RTC failure
14.3.43 13C8: Transfer unit new article release
14.3.44 13CA: Fusing unit new article release
14.3.45 13D1: Cyan imaging unit EEPROM access error
14.3.46 13D2: Magenta imaging unit EEPROM access error
14.3.47 13D3: Yellow imaging unit EEPROM access error
14.3.48 13D4: Black imaging unit EEPROM access error
14.3.49 13D9: Cyan toner cartridge EEPROM access error
14.3.50 13DA: Yellow toner cartridge EEPROM access error
14.3.51 13DB: Magenta toner cartridge EEPROM access error
14.3.52 13DC: Black toner cartridge EEPROM access error
14.3.53 13E2: Flash ROM write error
14.3.54 3000: Main motor�s failure to turn
14.3.55 C002: RAM (standard) error at startup
14.3.56 C003: RAM (option) error at startup
14.3.57 C013: MAC address error
14.3.58 C015: BOOT ROM error
14.3.59 C022: NVRAM error
14.3.60 C025, C026, C027: Controller ROM error
14.3.61 C050: Hard disk access error
14.3.62 C051: Hard disk full error
14.3.63 C052: Compact flash access error
14.3.64 C053: Compact flash full error
14.3.65 C054: Compact flash uninstallation
14.3.66 C060: Firmware update error
14.3.67 C061: Hold job error/no duplex unit
14.3.68 C062: Hold job error/no tray 3
14.3.69 C063: Hold job error/no tray 4
14.3.70 C064: Hold job error/no memory
14.3.71 C065: Hold job error/no tray5
14.3.72 FFFF: Interface communication error
15. Power supply trouble
15.1 Machine is not energized at all (PU1 operation check)
15.2 Control panel indicators do not light
15.3 Fusing heaters do not operate
15.4 Power is not supplied to option
15.4.1 Optional lower feeder unit
15.4.2 Power is not supplied to duplex option
16. Image quality problem
16.1 How to read element date
16.2 How to identify problematic part
16.2.1 Initial check items
16.3 Solution
16.3.1 Monocolor: white lines, white bands, colored lines, colored bands in sub scan direction
16.3.2 Monocolor: white lines, white bands, colored lines, colored bands in main scan direction
16.3.3 Monocolor: uneven density in sub scan direction
16.3.4 Monocolor: uneven density in main scan direction
16.3.5 Monocolor: low image density
16.3.6 Monocolor: gradation reproduction failure
16.3.7 Monocolor: foggy background
16.3.8 Monocolor: void areas, white spots
16.3.9 Monocolor: colored spots
16.3.10 Monocolor: blurred image
16.3.11 Monocolor: blank print, black print
16.3.12 Monocolor: uneven image
16.3.13 4-Color: white lines, white bands, colored lines, colored bands in sub scan direction
16.3.14 4-Color: white lines, white bands, colored lines, colored bands in main scan direction
16.3.15 4-Color: uneven density in sub scan direction
16.3.16 4-Color: uneven density in main scan direction
16.3.17 4-Color: low image density
16.3.18 4-Color: poor color reproduction
16.3.19 4-Color: incorrect color image registration
16.3.20 4-Color: void areas, white spots
16.3.21 4-Color: colored spots
16.3.22 4-Color: poor fusing performance, offset
16.3.23 4-Color: brush effect, blurred image
16.3.24 4-Color: back marking
16.3.25 4-Color: uneven image

APPENDIX
17. Parts layout drawing
17.1 Main body
17.1.1 Engine section
17.1.2 Tray 1 / Tray 2
17.2 Lower feeder unit (option)
17.3 Duplex option (option)
18. Connector layout drawing
19. Timing chart
19.1 Main body

Number of pages: 371.

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