Konica Minolta Bizhub C650 Bizhub C550 Bizhub C451 Field Service Manual (Ver. 8.0)


Accurate, clear and concise text, combined with detailed illustrations and photos, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present field service manual Konica Minolta Bizhub C650 Bizhub C550 Bizhub C451 contain clear instructions and procedures on how to fix the problems occurring in your equipment.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

Bizhub C650/C550/C451 Main body
OUTLINE
1. System configuration
1.1 C650
1.2 C550
1.3 C451
2. Product specifications

MAINTENANCE
3. Periodical check
3.1 Maintenance items
3.1.1 Main body
3.1.2 DF-610/DF-611
3.1.3 LU-301
3.1.4 ZU-603
3.1.5 FS-517/518/608
3.1.6 PK-512/513
3.1.7 PI-503
3.1.8 FS-519
3.1.9 JS-504
3.2 CMS corresponding parts
3.2.1 CMS corresponding parts
3.2.2 CMS corresponding parts list
3.2.3 Replacing CMS corresponding parts as a set
3.3 Maintenance parts
3.3.1 Replacement parts
3.3.2 Cleaning parts
3.4 Concept of parts life
3.4.1 Life value of consumables and parts
3.4.2 Conditions for life specifications values
3.4.3 Control causing inhibited printing for one part when an inhibited-printing event occurs in another part
3.5 Maintenance procedure (periodical check parts)
3.5.1 Cleaning of the electrostatic charger wire Y/M/C
3.5.2 Cleaning of the PH window Y/M/C/K
3.5.3 Cleaning of the timing roller
3.5.4 Cleaning of the paper dust remover
3.5.5 Cleaning of the area around the waste toner collecting port
3.5.6 Cleaning of the duplex transport rollers
3.5.7 Replacing the tray 1 feed roller/tray 1 pick-up roller
3.5.8 Replacing the tray 1 separation roller assy
3.5.9 Replacing the tray 2 feed roller/tray 2 pick-up roller
3.5.10 Replacing the tray 2 separation roller assy
3.5.11 Replacing the tray 3 feed roller/tray 3 pick-up roller
3.5.12 Replacing the tray 3 separation roller
3.5.13 Replacing the tray 4 feed roller/tray 4 pick-up roller
3.5.14 Replacing the tray 4 separation roller
3.5.15 Replacing the manual bypass tray feed roller/manual bypass tray pick-up roller
3.5.16 Replacing the manual bypass tray separation roller assy
3.5.17 Replacing the waste toner box
3.5.18 Replacing the imaging unit
3.5.19 Replacing the ozone filter
3.5.20 Replacing the color toner filter
3.5.21 Replacing the toner cartridge
3.5.22 Replacing the transfer belt unit
3.5.23 Replacing the transfer roller unit
3.5.24 Replacing the fusing unit
4. Service tool
4.1 Service material list
4.2 CE tool list
4.3 Copy materials
4.3.1 Imaging unit single parts (IU)
4.3.2 Toner cartridge single parts (T/C)
4.3.3 Waste toner box
4.3.4 Maintenance kit
5. Firmware upgrade
5.1 Outline
5.2 Notes about firmware rewrite
5.2.1 Types of firmware
5.2.2 Rewrite to/from a function enhanced version of firmware
5.3 Preparations for firmware rewriting by Windows Command Prompt
5.3.1 Service environment
5.3.2 Writing into the compact flash
5.4 Preparations for firmware rewriting by Firmware Imaging Toolkit 2006
5.4.1 Correspond model
5.4.2 Function outline
5.4.3 System environment
5.4.4 Installation of software
5.4.5 Update of software
5.4.6 Screen
5.4.7 Details of each function
5.4.8 How to write firmware data
5.5 Firmware rewriting by compact flash
5.5.1 Updating method
5.5.2 Action when data transfer fails
5.6 Updating the firmware with the Internet ISW
5.6.1 Outline
5.6.2 Service environment
5.6.3 Preparations for firmware rewriting
5.6.4 Firmware rewriting
5.6.5 Error code list for the Internet ISW
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
6.2.3 Need lubrication parts list
6.3 Disassembly/assembly procedure
6.3.1 Upper front door
6.3.2 Lower front door
6.3.3 Upper front cover /1
6.3.4 Upper front cover /2
6.3.5 Right front cover
6.3.6 Lower front cover
6.3.7 Upper left cover
6.3.8 Lower left cover
6.3.9 Rear left cover
6.3.10 Paper exit rear cover
6.3.11 IR rear cover, IR right cover, IR upper rear cover /1, IR upper rear cover /2
6.3.12 IR left cover, IR upper front cover
6.3.13 IR front cover
6.3.14 Original glass
6.3.15 Interface cover, rear right cover /1, rear right cover /2, rear right cover /3, rear right cover /4
6.3.16 Manual bypass tray rear cover
6.3.17 Upper rear cover /1, upper rear cover /2, lower rear cover
6.3.18 Front right cover
6.3.19 Control panel assy
6.3.20 Exit tray (option: OT-503)
6.3.21 Finisher rail (bizhub C451 only)
6.3.22 Tray 1/2
6.3.23 Tray 3/4
6.3.24 LCD module
6.3.25 PH unit
6.3.26 Duplex unit
6.3.27 Manual bypass tray unit
6.3.28 CCD unit
6.3.29 Original glass moving unit
6.3.30 Glass step sheet
6.3.31 Scanner assy
6.3.32 Hard disk
6.3.33 IH coil (FH1)
6.3.34 Intermediate transport roller assy
6.3.35 Main drive unit
6.3.36 LCC drive unit
6.3.37 IR assy
6.3.38 Scanner relay board (REYB/SCAN)
6.3.39 Original glass position control board (OGPCB)
6.3.40 Inverter board (INVB)
6.3.41 Image processing board (IPB)
6.3.42 PH relay board (REYB/PH)
6.3.43 Paper feed/transport drive board (PFTDB)
6.3.44 DC power supply (DCPU)
6.3.45 Relay drive board (REDB)
6.3.46 Printer control board (PRCB)
6.3.47 Slide interface board (REYB/SL)
6.3.48 Fan motor relay board (REYB/FAN)
6.3.49 PCI board (PCIB)
6.3.50 MFP board (MFPB)
6.3.51 How to open PWB box
6.3.52 High voltage unit/2 (HV2)
6.3.53 Service EEPROM board (SV ERB)
6.3.54 High voltage unit/1 (HV1)
6.3.55 IH power supply (IHPU)
6.3.56 Operation panel inverter board (OPINVB)
6.3.57 Operation panel control board (OPCB)
6.3.58 Operation panel I/O board (OPIOB)
6.3.59 Paper size detect board/1 (PSDTB/1)
6.3.60 Paper size detect board/2 (PSDTB/2)
6.3.61 JPEG board (JPEGB) *bizhub C650 only
6.3.62 SIF board (SIFB)/EIF board (EIFB) *bizhub C650 only
6.3.63 ADU transport motor/1 (M31)
6.3.64 ADU transport motor/2 (M32)
6.3.65 Bypass tray up down motor (M28) / bypass paper feed motor (M27)
6.3.66 Scanner motor (M201)
6.3.67 Original glass moving motor (M202)
6.3.68 Waste toner agitating motor (M20)
6.3.69 Transport motor (M25)
6.3.70 Vertical transport motor (M26)
6.3.71 Transfer belt motor (M1)
6.3.72 Color PC drum motor (M16)
6.3.73 Color developing motor (M17)
6.3.74 2nd image transfer pressure retraction motor (M3)
6.3.75 Registration motor (M2)
6.3.76 Fusing pressure retraction motor (M29)
6.3.77 Fusing motor (M30)
6.3.78 Switchback motor (M33)
6.3.79 Exit motor (M4)
6.3.80 K PC drum motor (M18)
6.3.81 K developing motor (M19)
6.3.82 Tray1 lift-up motor (M6)
6.3.83 Tray2 lift-up motor (M8)
6.3.84 Tray3 lift-up motor (M23)
6.3.85 Tray4 lift-up motor (M24)
6.3.86 Tray1 vertical transport motor (M5)
6.3.87 Tray2 vertical transport motor (M7)
6.3.88 Take-up motor (M22)
6.3.89 Charge cleaning motor/K (M15)
6.3.90 Cleaner motor (M38)
6.3.91 1st image transfer pressure retraction motor (M21)
6.3.92 Toner cartridge motor C/K (M14)
6.3.93 Toner cartridge motor Y/M (M13)
6.3.94 Toner supply motor/Y (M9), toner supply motor/M (M10), toner supply motor/C (M11), toner supply motor/K (M12)
6.3.95 Tray 1 paper feed clutch (CL1)
6.3.96 Tray 2 paper feed clutch 2 (CL2)
6.3.97 Horizontal transport clutch 1 (CL3)
6.3.98 Horizontal transport clutch 2 (CL4)
6.3.99 Tray 3 paper feed clutch (CL5)/Tray 3 transport clutch (CL6)
6.3.100 Tray 4 paper feed clutch (CL7)
6.3.101 IDC registration sensor/F (IDCS/F), IDC registration sensor/R (IDCS/R)
6.3.102 Scanner drive cables
6.3.103 Tray 3/4 lift wire
6.3.104 Fuse (F1) *USA only
6.4 Cleaning procedure
6.4.1 Transfer belt unit
6.4.2 Tray 1 feed roller/tray 1 pick-up roller
6.4.3 Tray 1 separation roller
6.4.4 Tray 1 transport roller
6.4.5 Tray 2 feed roller/tray 2 pick-up roller
6.4.6 Tray 2 separation roller
6.4.7 Tray 2 transport roller
6.4.8 Tray 3 feed roller/tray 3 pick-up roller
6.4.9 Tray 3 separation roller
6.4.10 Tray 3 transport roller
6.4.11 Tray 4 feed roller/tray 4 pick-up roller
6.4.12 Tray 4 separation roller
6.4.13 Tray 4 transport roller
6.4.14 Manual bypass tray feed roller
6.4.15 Manual bypass tray pick-up roller
6.4.16 Manual bypass tray separation roller
6.4.17 Intermediate transport roller
6.4.18 Original glass
6.4.19 Scanner rails
6.4.20 Mirrors (1st/2nd/3rd)
6.4.21 Lens
6.4.22 CCD sensor
6.5 Mount the original size detection 2 sensor (PS205)
6.6 Lubrication procedure
6.6.1 Fusing unit
6.7 Option counter
6.7.1 Installation method for the key counter

ADJUSTMENT/SETTING
7. How to use the adjustment section
8. Utility Mode
8.1 Touch Panel Adjustment
8.2 Utility Mode function tree
8.3 Utility Mode function setting procedure
8.3.1 Procedure
8.3.2 Exiting
8.3.3 Changing the setting value in Utility Mode functions
8.4 One-Touch User Box Registration
8.4.1 Create One-Touch destination
8.4.2 Create User Box
8.4.3 Limiting Access to Destinations
8.5 User Settings
8.5.1 System Settings
8.5.2 Custom Display Settings
8.5.3 Copier Settings
8.5.4 Scan/Fax Settings
8.5.5 Printer Settings
8.5.6 Change Password
8.5.7 Change E-mail Address
8.6 Administrator Settings
8.6.1 System Settings
8.6.2 Administrator/Machine Settings
8.6.3 One-Touch/User Box Registration
8.6.4 User Authentication/Account Track
8.6.5 Network Setting
8.6.6 Copier Settings
8.6.7 Printer Settings
8.6.8 Fax Settings
8.6.9 System Connection
8.6.10 Security Settings
8.6.11 License Settings
8.7 Banner Printing (bizhub C451 only)
8.8 My Panel Settings
9. Adjustment item list
10. Service Mode
10.1 Service Mode function setting procedure
10.2 Service Mode function tree
10.3 Date/Time Input mode
10.3.1 Date & Time Setting mode screen
10.4 Machine
10.4.1 Color Alignment Adjustment
10.4.2 Fusing Temperature
10.4.3 Fusing Transport Speed
10.4.4 Org. Size Detecting Sensor Adj
10.4.5 Printer Area
10.4.6 Scan Area
10.4.7 Printer Resist Loop
10.4.8 Color Registration Adjustment
10.4.9 Skew adjustment
10.4.10 LD adjustment
10.4.11 Manual Bypass Tray Adjustment
10.4.12 Lead Edge Erase Adjustment
10.4.13 Thick Paper Mode
10.4.14 Split Line Prior Detection
10.5 Firmware Version
10.6 Imaging Process Adjustment
10.6.1 Gradation Adjust
10.6.2 Transfer Belt
10.6.3 D Max Density
10.6.4 TCR Level Setting
10.6.5 Background Voltage Margin
10.6.6 Transfer Output Fine Adjustment
10.6.7 Stabilizer
10.6.8 Thick Paper Density Adjustment
10.6.9 Paper separation adjustment
10.6.10 TCR Toner Supply
10.6.11 Monochrome Density Adjustment
10.6.12 Dev. Bias Choice
10.7 CS Remote Care
10.7.1 Outlines
10.7.2 Setting up the CS Remote Care
10.7.3 Software SW setting for CS Remote Care
10.7.4 Setup confirmation
10.7.5 Calling the maintenance
10.7.6 Calling the center from the administrator
10.7.7 Checking the transmission log
10.7.8 Detail on settings
10.7.9 List of the CS Remote Care error code
10.7.10 Troubleshooting for CS Remote Care
10.8 System 1
10.8.1 Marketing Area
10.8.2 Tel/Fax Number
10.8.3 Serial Number
10.8.4 No Sleep
10.8.5 Foolscap Size Setting
10.8.6 Original Size Detection
10.8.7 Install Date
10.8.8 Initialization
10.8.9 Charging CH cleaning
10.8.10 Trouble Isolation
10.8.11 IU Life Setting
10.8.12 Post card transfer table
10.8.13 Change Warm Up Time *bizhub C451 only
10.8.14 Machine State LED Setting
10.9 System 2
10.9.1 HDD
10.9.2 Image Controller Setting
10.9.3 Option Board Status
10.9.4 Consumable Life Reminder
10.9.5 Unit Change
10.9.6 Software Switch Setting
10.9.7 Scan Caribration
10.9.8 LCC Size Setting
10.9.9 LCT Paper Size Setting
10.9.10 Line Mag Setting
10.9.11 Data Capture
10.9.12 Split Line Detect. Setting
10.9.13 Stamp
10.9.14 Network Fax Settings
10.10 Counter
10.10.1 Procedure
10.10.2 Life
10.10.3 Jam
10.10.4 Service Call Counter
10.10.5 Warning
10.10.6 Maintenance
10.10.7 Service Total
10.10.8 Counter of Each Mode
10.10.9 Service Call History (Data)
10.10.10 ADF Paper Pages
10.10.11 Paper Jam History
10.10.12 Fax Connection Error
10.10.13 Split Line Counter
10.10.14 Parts Counter (Fixed)
10.11 List Output
10.11.1 Machine Management List
10.11.2 Adjustment List
10.11.3 Parameter List
10.11.4 Service Parameter
10.11.5 Protocol Trace
10.11.6 Fax Setting List
10.11.7 Fax Analysis List
10.12 State Confirmation
10.12.1 Sensor Check
10.12.2 Sensor check screens
10.12.3 Sensor check list
10.12.4 Table Number
10.12.5 Level History1
10.12.6 Level History 2
10.12.7 Temp. & Humidity
10.12.8 CCD Check
10.12.9 Memory/HDD Adj
10.12.10 Memory/HDD State
10.12.11 Color Regist
10.12.12 IU Lot No
10.12.13 Adjustment Data List
10.13 Test Mode
10.13.1 Procedure for test pattern output
10.13.2 Gradation Pattern
10.13.3 Halftone Pattern
10.13.4 Lattice Pattern
10.13.5 Solid Pattern
10.13.6 Color Sample
10.13.7 8 Color Solid Pattern
10.13.8 CMM pattern
10.13.9 Running Mode
10.13.10 Fax Test
10.14 ADF
10.15 FAX
10.16 Finisher
10.16.1 CB-FN adjustment
10.16.2 FS-FN adjustment
10.16.3 Staple option setting
10.16.4 Punch Option setting
10.16.5 Fold power of pages restrict
10.16.6 Job Separator
10.17 Internet ISW
10.17.1 Internet ISW Set
10.17.2 HTTP Setting
10.17.3 FTP Setting
10.17.4 Forwarding Access Setting
10.17.5 Download
11. Enhanced Security
11.1 Enhanced Security function setting procedure
11.1.1 Procedure
11.1.2 Exiting
11.2 Enhanced Security function tree
11.3 Settings in the Enhanced Security
11.3.1 CE Password
11.3.2 Administrator Password
11.3.3 Administrator Feature Level
11.3.4 CE Authentication
11.3.5 IU Life Stop Setting
11.3.6 NVRAM Data Backup
11.3.7 Operation Ban release time
11.3.8 Administrator unlocking
12. Billing Setting
12.1 Billing Setting function setting procedure
12.1.1 Procedure
12.1.2 Exiting
12.2 Billing Setting function tree
12.3 Settings in the Billing Setting
12.3.1 Counter Setting
12.3.2 Management Function Choice
12.3.3 Coverage Rate Clear
13. Procedure for resetting
13.1 Trouble resetting
13.2 Contents to be cleared by reset function
14. Mechanical adjustment
14.1 Mechanical adjustment of the scanner section
14.1.1 Adjustment of the scanner motor belt
14.1.2 Focus positioning of the scanner and mirrors unit
14.1.3 Scanner position adjustment
14.1.4 Adjusting the height of the original glass moving unit
14.1.5 Adjusting the height of the guide support for the original glass moving unit
14.2 Mechanical adjustment of the paper feed section
14.2.1 Tray3/4 paper size change
14.2.2 Skew adjustment of the tray 1/2
14.2.3 Centering adjustment of the tray 1/2
14.2.4 Centering adjustment of the tray 3/4
14.2.5 Pick-up roller load adjustment of the tray 3/4
14.3 Mechanical adjustment of the bypass tray section
14.3.1 Adjustment of the bypass paper size unit
14.4 Mechanical adjustment of the main drive unit section
14.4.1 PC drive gear positioning adjustment

TROUBLESHOOTING
15. Jam display
15.1 Misfeed display
15.1.1 When the FS-517/518/608 is mounted
15.1.2 When the FS-519 is mounted
15.1.3 When the ZU-603 is mounted
15.1.4 When the JS-504 is mounted
15.1.5 Misfeed display resetting procedure
15.2 Sensor layout
15.3 Solution
15.3.1 Initial check items
15.3.2 Misfeed at tray 1 feed section
15.3.3 Misfeed at tray 2 feed section
15.3.4 Misfeed at tray 3 feed section
15.3.5 Misfeed at tray 4 feed section
15.3.6 Misfeed at manual bypass feed section
15.3.7 Misfeed at duplex pre-registration section
15.3.8 Misfeed at vertical transport section
15.3.9 Misfeed at tray 3/4 horizontal transport section
15.3.10 Misfeed at 2nd image transfer section
15.3.11 Misfeed at tray 3/4 intermediate transport roller section
15.3.12 Misfeed at exit section
15.3.13 Misfeed at duplex transport section
16. Malfunction code
16.1 Alert code
16.1.1 Alert code list
16.2 Solution
16.2.1 S-1: CCD gain adjustment failure
16.2.2 D-1: Split line detect
16.2.3 D-2: Read guide trouble
16.2.4 P-5: IDC sensor (front) failure
16.2.5 P-28 IDC sensor (rear) failure
16.2.6 P-6: Cyan imaging unit failure
16.2.7 P-7: Magenta imaging unit failure
16.2.8 P-8: Yellow imaging unit failure
16.2.9 P-9: Black imaging unit failure
16.2.10 P-14: Skew correction trouble
16.2.11 P-16: PC charge cleaning trouble 1
16.2.12 P-18: PC charge cleaning trouble 2
16.2.13 P-21: Color regist test pattern failure
16.2.14 P-22: Color regist adjust failure
16.2.15 P-27: Secondary transfer ATVC failure
16.2.16 P-31: PC home sensor (K) malfunction
16.3 Trouble code
16.3.1 Trouble code list
16.4 How to reset
16.5 Solution
16.5.1 C0104: Tray 3/4 feeder transportation motor failure to turn
16.5.2 C0105: Tray 3/4 feeder transportation motor turning at abnormal timing
16.5.3 C0202: Tray 1 feeder up/down abnormality
16.5.4 C0204: Tray 2 feeder up/down abnormality
16.5.5 C0206: Tray 3 feeder up/down abnormality
16.5.6 C0208: Tray 4 feeder up/down abnormality
16.5.7 C0211: Manual feed up/down abnormality
16.5.8 C0301: Suction fan motor’s failure to turn
16.5.9 C0351: Paper cooling fan trouble
16.5.10 C2101: PC charge cleaning malfunction
16.5.11 C2151: Secondary transfer roller pressure welding alienation
16.5.12 C2152: Transfer belt pressure welding alienation
16.5.13 C2160: PC charge (C) malfunction
16.5.14 C2161: PC charge (M) malfunction
16.5.15 C2162: PC charge (Y) malfunction
16.5.16 C2163: PC charge (K) malfunction
16.5.17 C2164: PC charge malfunction
16.5.18 C2204: Waste toner agitating motor’s failure to turn
16.5.19 C2253: Color PC drum motor’s failure to turn
16.5.20 C2254: Color PC drum motor’s turning at abnormal timing
16.5.21 C2255: Color developing motor’s failure to turn
16.5.22 C2256: Color developing motor’s turning at abnormal timing
16.5.23 C2257: Cleaner motor’s failure to turn
16.5.24 C2258: Cleaner motor’s turning at abnormal timing
16.5.25 C2259: K developing motor’s failure to turn
16.5.26 C225A: K developing motor’s turning at abnormal timing
16.5.27 C225B: K PC drum motor’s failure to turn
16.5.28 C225C: K PC drum motor’s turning at abnormal timing
16.5.29 C2351: K toner suction fan motor’s failure to turn
16.5.30 C2352: Color toner suction fan motor’s failure to turn
16.5.31 C2353: IU cooling fan motor’s failure to turn
16.5.32 C2354: Rear side cooling fan motor’s failure to turn
16.5.33 C2451: Release new transfer belt unit
16.5.34 C2551: Abnormally low toner density detected cyan TCR sensor
16.5.35 C2553: Abnormally low toner density detected magenta TCR sensor
16.5.36 C2555: Abnormally low toner density detected yellow TCR sensor
16.5.37 C2552: Abnormally high toner density detected cyan TCR sensor
16.5.38 C2554: Abnormally high toner density detected magenta TCR sensor
16.5.39 C2556: Abnormally high toner density detected yellow TCR sensor
16.5.40 C2557: Abnormally low toner density detected black TCR sensor
16.5.41 C2558: Abnormally high toner density detected black TCR sensor
16.5.42 C2559: Cyan TCR sensor adjustment failure
16.5.43 C255A: Magenta TCR sensor adjustment failure
16.5.44 C255B: Yellow TCR sensor adjustment failure
16.5.45 C255C: Black TCR sensor adjustment failure
16.5.46 C2650: Main backup media access error
16.5.47 C2651: EEPROM access error (IU C)
16.5.48 C2652: EEPROM access error (IU M)
16.5.49 C2653: EEPROM access error (IU Y)
16.5.50 C2654: EEPROM access error (IU K)
16.5.51 C2A01: EEPROM access error (TC C)
16.5.52 C2A02: EEPROM access error (TC M)
16.5.53 C2A03: EEPROM access error (TC Y)
16.5.54 C2A04: EEPROM access error (TC K)
16.5.55 C3101: Fusing roller separation failure
16.5.56 C3102: Fusing roller failure to turn
16.5.57 C3201: Fusing motor failure to turn
16.5.58 C3202: Fusing motor turning at abnormal timing
16.5.59 C3303: Fusing cooling fan motor/ 1 failure to turn
16.5.60 C3304: Fusing cooling fan motor/ 2 failure to turn
16.5.61 C3305: Fusing cooling fan motor/ 3 failure to turn
16.5.62 C3423: Fusing heaters trouble (pressurizing side)
16.5.63 C3424: Fusing heaters trouble (soaking side)
16.5.64 C3425: Fusing heaters trouble (NC sensor)
16.5.65 C3461: Release new fusing unit
16.5.66 C3721: Fusing abnormally high temperature detection (Center of the heating roller)
16.5.67 C3722: Fusing abnormally high temperature detection (Edge of the heating roller)
16.5.68 C3725: Fusing abnormally high temperature detection (NC sensor)
16.5.69 C3723: Fusing abnormally high temperature detection (pressurizing side)
16.5.70 C3724: Fusing abnormally high temperature detection (soaking side)
16.5.71 C3822: Fusing abnormally low temperature detection (Edge of the heating roller)
16.5.72 C3825: Fusing abnormally low temperature detection (NC sensor)
16.5.73 C3823: Fusing abnormally low temperature detection (pressurizing side)661
16.5.74 C3824: Fusing abnormally low temperature detection (soaking side)
16.5.75 C3921: Fusing sensor wire breaks detection (Center of the heating roller)
16.5.76 C3922: Fusing sensor wire breaks detection (Edge of the heating roller) 661
16.5.77 C3925: Fusing sensor wire breaks detection (NC sensor)
16.5.78 C3923: Fusing sensor wire breaks detection (pressurizing side)
16.5.79 C3924: Fusing sensor wire breaks detection (soaking side)
16.5.80 C3B02: IH malfunction (CPU)
16.5.81 C3B03: IH malfunction (monitor)
16.5.82 C3B04: IH malfunction
16.5.83 C4101: Polygon motor rotation trouble
16.5.84 C4301: PH cooling fan motor failure to turn
16.5.85 C4501: Laser malfunction
16.5.86 C5104: Transfer belt motor’s failure to turn
16.5.87 C5105: Transfer belt motor’s turning at abnormal timing
16.5.88 C5304: IH cooling fan motor/1’s failure to turn
16.5.89 C5305: IH cooling fan motor/2’s failure to turn
16.5.90 C5306: IH cooling fan motor/3’s failure to turn
16.5.91 C5351: Power supply cooling fan motor/1’s failure to turn
16.5.92 C5354: Ozone ventilation fan motor’s failure to turn
16.5.93 C5356: Cooling fan motor’s failure to turn
16.5.94 C5370: MFP control board cooling fan motor’s failure to turn
16.5.95 C5371: MFP control board CPU cooling fan motor’s failure to turn
16.5.96 C6102: Drive system home sensor malfunction
16.5.97 C6103: Slider over running
16.5.98 C6301: Optical cooling fan motor’s failure to turn
16.5.99 C6704: Image input time out
16.5.100 C6751: CCD clamp/gain adjustment failure
16.5.101 C6F01: Scanner sequence trouble 1
16.5.102 C9401: Exposure turning on the lamp trouble detection
16.5.103 C9402: Exposure turning on the lamp abnormally detection
16.5.104 CA051: Standard controller configuration failure
16.5.105 CA052: Controller hardware error
16.5.106 CA053: Controller start failure
16.5.107 CC001: Vendor connection failure
16.5.108 CC151: ROM contents error upon startup (MSC)
16.5.109 CC152: ROM contents error upon startup (Scanner)
16.5.110 CC153: ROM contents error upon startup (PRT)
16.5.111 CC163: ROM contents error (PRT)
16.5.112 CC164: ROM contents error (MSC)
16.5.113 CC170: Dynamic link error during starting (AP0)
16.5.114 CC171: Dynamic link error during starting (AP1)
16.5.115 CC172: Dynamic link error during starting (AP2)
16.5.116 CC173: Dynamic link error during starting (AP3)
16.5.117 CC174: Dynamic link error during starting (AP4)
16.5.118 CC180: Dynamic link error during starting (LDR)
16.5.119 CC181: Dynamic link error during starting (IBR)
16.5.120 CC182: Dynamic link error during starting (IID)
16.5.121 CC183: Dynamic link error during starting (IPF)
16.5.122 CC184: Dynamic link error during starting (IMY)
16.5.123 CD002: JOB RAM save error
16.5.124 CD004: Hard disk access error
16.5.125 CD005: Hard disk error 1
16.5.126 CD006: Hard disk error 2
16.5.127 CD007: Hard disk error 3
16.5.128 CD008: Hard disk error 4
16.5.129 CD009: Hard disk error 5
16.5.130 CD00A: Hard disk error 6
16.5.131 CD00B: Hard disk error 7
16.5.132 CD00C: Hard disk error 8
16.5.133 CD00D: Hard disk error 9
16.5.134 CD00E: Hard disk error A
16.5.135 CD00F: Hard disk data transfer error
16.5.136 CD020: Hard disk verify error
16.5.137 CD010: Hard disk unformat
16.5.138 CD011: Hard disk out of specifications mounted
16.5.139 CD201: File memory mounting error
16.5.140 CD202: Memory capacity discrepancy
16.5.141 CD203: Memory capacity discrepancy 2
16.5.142 CD211: PCI-SDRAM DMA operation failure
16.5.143 CD212: Compression/extraction timeout detection
16.5.144 CD231: No Fax memory at FAX board mounting
16.5.145 CD241: Encryption board setting error
16.5.146 CD242: Encryption board mounting error
16.5.147 CD251: No JPEG board mounting at JPEG board mount setting
16.5.148 CD252: No relay circuit boards for IC-409 mounting at IC-409 mount setting
16.5.149 CD261: USB host board failure
16.5.150 CD271: i-Option activated and additional memory not installed
16.5.151 CD401: NACK command incorrect
16.5.152 CD402: ACK command incorrect
16.5.153 CD403: Checksum error
16.5.154 CD404: Receiving packet incorrect
16.5.155 CD405: Receiving packet analysis error
16.5.156 CD406: ACK receiving timeout
16.5.157 CD407: Retransmission timeout
16.5.158 CE001: Abnormal message queue
16.5.159 CE003: Task error
16.5.160 CE004: Event error
16.5.161 CE005: Memory access error
16.5.162 CE006: Header access error
16.5.163 CE007: DIMM initialize error
16.5.164 CD3##: NVRAM data error
16.5.165 CE002: Message and method parameter failure
16.5.166 CEEE1: MFP board malfunction
16.5.167 CEEE2: Scanner section malfunction
16.5.168 CEEE3: Printer control board malfunction
17. Power supply trouble
17.1 Machine is not energized at all (DCPU operation check)
17.2 Control panel indicators do not light
17.3 Fusing heaters do not operate
17.4 Power is not supplied to DF-611/610
17.5 Power is not supplied to option
17.5.1 LU-301
17.5.2 Finisher
18. Image quality problem
18.1 How to read element date
18.1.1 Table number
18.1.2 Level history 1
18.1.3 Level history 2
18.2 How to identify problematic part
18.2.1 Initial check items
18.3 Solution
18.3.1 Scanner system: white lines in sub scan direction, white bands in sub scan
direction, colored lines in sub scan direction, and colored bands in sub scan direction
18.3.2 Scanner system: white lines in main scan direction, white bands in main
scan direction, colored lines in main scan direction, and colored bands in main scan direction
18.3.3 Scanner system: color spots
18.3.4 Scanner system: fog
18.3.5 Scanner system: blurred image, blotchy image
18.3.6 Scanner system: incorrect color image registration, sync shift (lines in main scan direction)
18.3.7 Scanner system: moire
18.3.8 Scanner system: skewed image
18.3.9 Scanner system: distorted image
18.3.10 Scanner system: low image density, rough image
18.3.11 Scanner system: defective ACS
18.3.12 Scanner system: blank copy, black copy
18.3.13 Scanner system: abnormal image
18.3.14 Scanner system: uneven density
18.3.15 Printer monocolor: white lines in sub scan direction, white bands in sub scan
direction, colored lines colored bands in sub scan direction
18.3.16 Printer monocolor: white lines in main scan direction, white bands in main
scan direction, colored lines in main scan direction, colored bands in main scan direction
18.3.17 Printer monocolor: uneven density in sub scan direction
18.3.18 Printer monocolor: uneven density in main scan direction
18.3.19 Printer monocolor: low image density
18.3.20 Printer monocolor: gradation reproduction failure
18.3.21 Printer monocolor: foggy background
18.3.22 Printer monocolor: void areas, white spots
18.3.23 Printer monocolor: colored spots
18.3.24 Printer monocolor: blurred image
18.3.25 Printer monocolor: blank copy, black copy
18.3.26 Printer monocolor: uneven image
18.3.27 Printer 4-color: white lines in sub scan direction, white bands in sub scan
direction, colored lines in sub scan direction, and colored bands in sub scan direction
18.3.28 Printer 4-color: white lines in main scan direction, white bands in main scan
direction, colored lines in main scan direction, and colored bands in main scan direction
18.3.29 Printer 4-color: uneven density in sub scan direction
18.3.30 Printer 4-color: uneven density in main scan direction
18.3.31 Printer 4-color: low image density
18.3.32 Printer 4-color: poor color reproduction
18.3.33 Printer 4-color: incorrect color image registration
18.3.34 Printer 4-color: void areas, white spots
18.3.35 Printer 4-color: colored spots
18.3.36 Printer 4-color: poor fusing performance, offset
18.3.37 Printer 4-color: brush effect, blurred image
18.3.38 Printer 4-color: back marking
18.3.39 Printer 4-color: uneven image

APPENDIX
19. Parts layout drawing
19.1 Main body
19.1.1 IR section
19.1.2 Engine section
19.1.3 Bypass tray section
19.1.4 Tray1
19.1.5 Tray2
19.1.6 Tray3
19.1.7 Tray4
19.2 DF-611
19.3 DF-610
19.4 LU-301 (option)
19.5 OT-503 (option)
19.6 ZU-603 (option)
19.7 FS-517/518/608 (option)
19.8 PI-503 (option)
19.9 PK-512/513 (option)
19.10 FS-519 (option)
19.11 PK-510 (option)
19.12 MT-502 (option)
19.13 SD-503 (option)
19.14 JS-504 (option)
20. Connector layout drawing
21. Timing chart
21.1 Main body
21.2 DF-611/610
21.2.1 1-sided mode
21.2.2 2-sided mode

Number of pages: 1503.