Konica Minolta Bizhub C350 Bizhub C352 Field Service Manual

Field Service Manual Konica Minolta Bizhub C300 Bizhub C352;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Konica Minolta Bizhub C300 Bizhub C352 copier.
You can print, zoom or read any diagram, picture or page from this Field Service Manual. Every chapter on this manual is fully detailed and contain all theĀ  simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Konica Minolta Bizhub C300 Bizhub C352 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

GENERAL
1. System configuration
2. Product specifications

MAINTENANCE
3. Periodical check
3.1 Service schedule
3.1.1 Main unit
3.1.2 Option
3.2 Maintenance items
3.2.1 Parts to be replaced by users (CRU)
3.2.2 Maintenance call (per 50,000/60,000-print)
3.2.3 Periodical parts replacement 1 (per 120,000-print)
3.2.4 Periodical parts replacement 2 (per 200,000-print)
3.2.5 Periodical parts replacement 3 (per 300,000-print)
3.3 Maintenance parts
3.3.1 Replacement parts
3.3.2 Cleaning parts
3.4 Concept of parts life
3.5 Maintenance procedure (periodical check parts)
3.5.1 Replacing the tray 1 feed roller
3.5.2 Replacing the tray 1 separation roller assy
3.5.3 Replacing the bypass tray feed roller
3.5.4 Replacing the bypass tray separation roller assy
3.5.5 Replacing the tray 2 separation roller
3.5.6 Replacing the tray 2 feed roller
3.5.7 Replacing the tray 2 pick-up roller
3.5.8 Cleaning of the registration roller
3.5.9 Replacing the waste toner bottle
3.5.10 Cleaning of the area around the waste toner collecting port
3.5.11 Replacing the ozone filter
3.5.12 Replacing the deodorant filter
3.5.13 Replacing the dust filter/vertical conveyance
3.5.14 Replacing the dust filter/cooling fan
3.6 Replacing the unit
3.6.1 Replacing the 2nd image transfer roller unit
3.6.2 Replacing the image transfer belt unit
3.6.3 Cleaning of the image transfer entrance guide
3.6.4 Cleaning of the IDC/registration sensor F, R
3.6.5 Replacing the toner cartridge (C, M, Y, K)
3.6.6 Cleaning of the comb electrode
3.6.7 Replacing the imaging unit (C, M, Y, K)
3.6.8 Replacing the fusing unit
4. Service tool
4.1 CE tool list
4.2 Copy 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 Outline
5.2 Preparations for firmware rewriting by Cygwin
5.2.1 Outline
5.2.2 Service environment
5.2.3 Installing the Cygwin
5.2.4 Settings of the Windows Environmental Variable
5.2.5 Writing into the compact flash
5.3 Preparations for firmware rewriting by Firmware Imaging Toolkit 2006
5.3.1 Correspond model
5.3.2 Function outline
5.3.3 System environment
5.3.4 Installation of software
5.3.5 Update of software
5.3.6 Screen
5.3.7 Details of each function
5.3.8 How to write firmware data
5.4 Firmware rewriting by compact flash
5.4.1 Updating method
5.4.2 Action when data transfer fails
5.5 Updating the firmware with the Internet ISW
5.5.1 Outline
5.5.2 Service environment
5.5.3 Preparations for firmware rewriting
5.5.4 Firmware rewriting
5.5.5 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
6.3 Disassembly/assembly procedure
6.3.1 IR upper right cover/IR right cover/IR upper rear cover
6.3.2 Left cover/Upper front cover/IR left cover/IR lower left cover/IR upper front cover
6.3.3 Original glass/IR front cover
6.3.4 Exit tray/Upper rear cover/Lower rear cover/Rear left cover
6.3.5 Multi bypass tray left cover/Multi bypass tray right cover/Multi bypass tray upper cover
6.3.6 Front door
6.3.7 Rear right cover
6.3.8 Left cover
6.3.9 Control panel (UN201)
6.3.10 Tray 1
6.3.11 Tray 2
6.3.12 Tray 2 rear right cover/Tray 2 rear left cover
6.3.13 Tray 2 right rear cover
6.3.14 Front cover
6.3.15 Mechanical control board (MFPB)
6.3.16 DC power supply (DCPU)
6.3.17 Scanner motor drive board (SCADB)
6.3.18 CCD unit
6.3.19 Image processing board (IPB)
6.3.20 Relay board (REYB)
6.3.21 Printer control board (PRCB)
6.3.22 DIMM0 (Work0), DIMM1 (Work1)
6.3.23 Hard disk drive (HDD)
6.3.24 High voltage unit (HV1)
6.3.25 Tray 1 paper size board (PSDTB)
6.3.26 PC control board (PCCB)
6.3.27 Paper size detect board (PCDTB)
6.3.28 Inverter board (INVB)
6.3.29 PH interface board (PHICB)
6.3.30 Multi bypass unit
6.3.31 PH unit
6.3.32 Transport drive assy
6.3.33 Hopper drive assy
6.3.34 Right door assy
6.3.35 Scanner motor (M201)
6.3.36 Scanner assy
6.3.37 Scanner drive cables
6.3.38 Original glass moving unit
6.3.39 Glass step sheet
6.3.40 PWB box
6.3.41 Color developing motor (M3)
6.3.42 Color PC drum motor (M2)
6.3.43 Toner supply motor C/K (M7)
6.3.44 Toner supply motor Y/M (M6)
6.3.45 Main motor (M1)
6.3.46 Fusing drive motor (M4)
6.3.47 Fusing pressure roller pressure/retraction motor (M24)
6.3.48 Tray 2 lift-up motor (M3-PC)
6.3.49 Tray 2 paper feed motor (M1-PC)
6.3.50 Tray 2 vertical transport motor (M2-PC)
6.3.51 IDC/registration sensor/F, IDC/registration sensor/R (SE1/SE2)
6.4 Cleaning procedure
6.4.1 PH window
6.4.2 Image transfer belt unit
6.4.3 Tray 1 feed roller
6.4.4 Tray 1 separation roller
6.4.5 Bypass tray feed roller
6.4.6 Bypass tray separation roller
6.4.7 Tray 2 feed roller/tray 2 pick-up roller
6.4.8 Tray 2 separation roller
6.4.9 Tray 2 transport roller
6.4.10 Scanner rail
6.4.11 Mirrors (1st/2nd/3rd)
6.4.12 Lens
6.4.13 Original glass
6.4.14 CCD sensor
6.5 Mount the original size detection 2 sensor (PC204)
6.6 Option counter
6.6.1 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 Registration
8.4.1 Scan
8.4.2 Fax
8.4.3 User Box
8.5 User Setting
8.5.1 System Setting
8.5.2 Display Setting
8.5.3 Initial Setting
8.5.4 Copier Setting
8.5.5 Scanner Setting
8.5.6 Printer Setting
8.5.7 Change Password
8.5.8 Change E-Mail Address
8.6 Administrator Setting
8.6.1 System Setting
8.6.2 Administrator/Machine Setting
8.6.3 One-Touch Registration
8.6.4 User Authentication/Account Track
8.6.5 Network Setting
8.6.6 Copier Setting
8.6.7 Printer Setting
8.6.8 Fax Setting
8.6.9 System Connection
8.6.10 Security Setting
8.7 Banner Printing
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 Change Warm Up Time
10.4.2 Fusing Temperature
10.4.3 Fusing Transport Speed
10.4.4 Org
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 Fusing Loop Size
10.4.10 Manual Bypass Tray Adjustment
10.4.11 Lead Edge Erase Adjustment
10.4.12 Thin Line Prior Detection
10.5 Firmware Version
10.6 Imaging Process Adjustment
10.6.1 Gradation Adjust
10.6.2 D Max Density
10.6.3 Background Voltage Margin
10.6.4 Transfer Output Fine Adjustment
10.6.5 Stabilizer
10.6.6 Thick Paper Density Adjustment
10.6.7 TCR Toner Supply
10.6.8 Monochrome Density Adjustment
10.6.9 Dev
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 Original Size Detection
10.8.6 Foolscap Size Setting
10.8.7 Initialization
10.8.8 Install Date
10.8.9 Communication System 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 LCT Paper Size Setting
10.9.9 Line Mag Setting
10.9.10 Data Capture
10.9.11 Thin Line Detect
10.9.12 Stamp
10.9.13 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 Thin Line Counter
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
10.12 State Confirmation
10.12.1 Sensor Check
10.12.2 Table Number
10.12.3 Level History1
10.12.4 Level History2
10.12.5 Temp
10.12.6 CCD Check
10.12.7 Memory/HDD Adj
10.12.8 Memory/HDD State
10.12.9 Color Regist
10.12.10 IU Lot No
10.12.11 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 Running Mode
10.13.9 Fax Test
10.14 ADF
10.15 FAX
10.16 Finisher
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
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
14.2 Scanner position adjustment
14.2.1 Adjusting the height of the original glass moving unit
14.2.2 Adjusting the height of the guide support for the original glass moving unit
14.3 Mechanical adjustment of the bypass tray section
14.3.1 Adjustment of the bypass paper size unit
14.4 PH unit mechanical adjustment
14.4.1 Skew adjustment

TROUBLESHOOTING
15. Jam display
15.1 Misfeed display
15.1.1 Misfeed display resetting procedure
15.2 Sensor layout
15.3 Solution
15.3.1 Initial check items
15.3.3 Misfeed at tray 1 feed section
15.3.4 Misfeed at 2nd image transfer section
15.3.5 Misfeed at tray 2 feed, tray 2 vertical transport section
15.3.6 Misfeed at manual bypass feed section
15.3.7 Misfeed at LCT feed and LCT vertical transport section (PC-403)
15.3.8 Misfeed at tray 3 feed and tray 3 vertical transport section (PC-103/PC203)
15.3.9 Misfeed at tray 4 feed and tray 4 vertical transport section (PC203)
15.3.10 Misfeed at duplex transport section (AD-503)
15.3.11 Misfeed at duplex unit pre-registration section (AD-503)
15.3.12 Misfeed at fusing/exit section
16. Malfunction code
16.1 Alert code
16.1.1 Alert code list
16.2 Solution
16.2.1 S-1: CCD clamp/gain adjustment failure
16.2.2 D-1: Thin line detection
16.2.3 D-2: ADF scanning guide stain detection
16.2.4 P-5: IDC sensor (front) failure
16.2.5 P-28 IDC sensor (back) 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-21: Color shift test pattern failure
16.2.11 P-22: Color shift adjust failure
16.2.12 P-26: 1st image transfer ATVC (black) failure
16.2.13 P-27: 2nd image transfer ATVC failure
16.2.14 P-29: 1st image transfer ATVC (color) failure
16.2.15 P-30: Color PC drum sensor malfunction
16.2.16 P-31: Black PC drum sensor malfunction
16.3 Trouble code
16.3.1 Trouble code list
16.4 How to reset
16.5 Solution
16.5.1 C0204: Tray 2 elevator failure
16.5.2 C0211: Manual tray rise descent error
16.5.3 C0301: Suction fan motor’s failure to turn
16.5.4 C2151: 2nd image transfer roller separation
16.5.5 C2152: Transfer belt separation
16.5.6 C2253: Color PC drum motor’s failure to turn
16.5.7 C2254: Color PC drum motor’s turning at abnormal timing
16.5.8 C2255: Color developing motor’s failure to turn
16.5.9 C2256: Color developing motor’s turning at abnormal timing
16.5.10 C2451: Transfer cleaner unit new article release
16.5.11 C2551: Abnormally low toner density detected cyan TCR sensor
16.5.12 C2553: Abnormally low toner density detected magenta TCR sensor
16.5.13 C2555: Abnormally low toner density detected yellow TCR sensor
16.5.14 C2552: Abnormally high toner density detected cyan TCR sensor
16.5.15 C2554: Abnormally high toner density detected magenta TCR sensor
16.5.16 C2556: Abnormally high toner density detected yellow TCR sensor
16.5.17 C2557: Abnormally low toner density detected black TCR sensor
16.5.18 C2558: Abnormally high toner density detected black TCR sensor
16.5.19 C2559: Cyan TCR sensor adjustment failure
16.5.20 C255A: Magenta TCR sensor adjustment failure
16.5.21 C255B: Yellow TCR sensor adjustment failure
16.5.22 C255C: Black TCR sensor adjustment failure
16.5.23 C2651: Cyan imaging unit EEPROM access error
16.5.24 C2652: Magenta imaging unit EEPROM access error
16.5.25 C2653: Yellow imaging unit EEPROM access error
16.5.26 C2654: Black imaging unit EEPROM access error
16.5.27 C2A01: Cyan toner cartridge EEPROM access error
16.5.28 C2A02: Yellow toner cartridge EEPROM access error
16.5.29 C2A03: Magenta toner cartridge EEPROM access error
16.5.30 C2A04: Black toner cartridge EEPROM access error
16.5.31 C3101: Fusing pressure roller separation failure
16.5.32 C3201: Fusing drive motor failure to turn
16.5.33 C3202: Fusing drive motor turning at abnormal timing
16.5.34 C3301: Fusing cooling fan motor /1’s failure to turn
16.5.35 C3302: Fusing cooling fan motor /2’s failure to turn
16.5.36 C3451: Heat
16.5.37 C3452: Press
16.5.38 C3751: Abnormal high temp
16.5.39 C3752: Abnormal high temp
16.5.40 C3851: Abnormal low temp
16.5.41 C3852: Abnormal low temp
16.5.42 C3461: Fusing unit new article release
16.5.43 C4151: Polygon motor/C failure to turn
16.5.44 C4152: Polygon motor/M failure to turn
16.5.45 C4153: Polygon motor/Y failure to turn
16.5.46 C4154: Polygon motor/K failure to turn
16.5.47 C4551: Laser malfunction (cyan)
16.5.48 C4552: Laser malfunction (magenta)
16.5.49 C4553: Laser malfunction (yellow)
16.5.50 C4554: Laser malfunction (black)
16.5.51 C4705: Image output time out
16.5.52 C4761: Compression hardware timeout
16.5.53 C4765: Extraction hardware timeout
16.5.54 C4770: JBIG0 error
16.5.55 C4771: JBIG1 error
16.5.56 C4772: JBIG2 error
16.5.57 C4773: JBIG3 error
16.5.58 C4780: Compressor 0 command buffer stop failure
16.5.59 C4781: Compressor 1 command buffer stop failure
16.5.60 C4782: Compressor 2 command buffer stop failure
16.5.61 C4783: Compressor 3 command buffer stop failure
16.5.62 C5102: Main motor’s failure to turn
16.5.63 C5103: Main motor turning at abnormal timing
16.5.64 C5351: Power supply cooling fan motor/1’s failure to turn
16.5.65 C5353: Cooling fan motor 2’s failure to turn
16.5.66 C5354: Ozone ventilation fan motor’s failure to turn
16.5.67 C5355: Cooling fan motor 3’s failure to turn
16.5.68 C5357: Cooling fan motor/1’s failure to turn
16.5.69 C5358: Power supply cooling fan motor/2’s failure to turn
16.5.70 C6102: Drive home sensor malfunction
16.5.71 C6103: Slider over run
16.5.72 C6301: Scanner cooling fan motor’s failure to turn
16.5.73 C6302: Exposure lamp cooling fan motor’s failure to turn
16.5.74 C6704: Image input time out
16.5.75 C6751: CCD clamp/gain adjustment failure
16.5.76 C9401: Exposure lamp’s failure to turn ON
16.5.77 C9402: Exposure lamp turning ON at abnormal timing
16.5.78 CA051: Standard controller configuration failure
16.5.79 CA052: Controller hardware error
16.5.80 CA053: Controller start failure
16.5.81 CC001: Vendor connection failure
16.5.82 CC151: ROM contents error upon startup (MSC)
16.5.83 CC152: ROM contents error upon startup (Scanner)
16.5.84 CC153: ROM contents error upon startup (PRT)
16.5.85 CC154: ROM contents error upon startup (PH)
16.5.86 CC163: ROM contents error (PRT)
16.5.87 CD001: Hard disk initialization abnormality
16.5.88 CD002: JOB RAM save error
16.5.89 CD004: Hard disk access error
16.5.90 CD005: Hard disk error 1
16.5.91 CD006: Hard disk error 2
16.5.92 CD007: Hard disk error 3
16.5.93 CD008: Hard disk error 4
16.5.94 CD009: Hard disk error 5
16.5.95 CD00A: Hard disk error 6
16.5.96 CD00B: Hard disk error 7
16.5.97 CD00C: Hard disk error 8
16.5.98 CD00D: Hard disk error 9
16.5.99 CD00E: Hard disk error A
16.5.100 CD00F: Hard disk data transfer error
16.5.101 CD020: Hard disk verify error
16.5.102 CD010: Hard disk unformat
16.5.103 CD011: Hard disk specifications error
16.5.104 CD201: File memory mounting error
16.5.105 CD202: Memory capacity discrepancy
16.5.106 CD203: Memory capacity discrepancy 2
16.5.107 CD204: Expanded memory unit not mounted at JScribe able
16.5.108 CD211: PCI-SDRAM DMA operation failure
16.5.109 CD212: Compression/extraction timeout detection
16.5.110 CD231: No Fax memory at FAX board mounting
16.5.111 CD241: Encryption board setting error
16.5.112 CD242: Encryption board mounting error
16.5.113 CD251: No JPEG board mounting at JPEG board mount setting
16.5.114 CE001: Abnormal message queue
16.5.115 CE003: Task error
16.5.116 CE004: Event error
16.5.117 CE005: Memory access error
16.5.118 CE006: Header access error
16.5.119 CE007: DIMM initialize error
16.5.120 CD3##: NVRAM data error
16.5.121 CE002: Message and method parameter failure
16.5.122 CEEE1: MSC undefined malfunction occurring
16.5.123 CEEE2: Scanner section undefined malfunction
16.5.124 CEEE3: Engine section undefined 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 option
17.4.1 Automatic document feeder (DF-608)
17.4.2 Paper feed cabinet (PC-103/203/403)
17.4.3 Duplex unit (AD-503)
17.4.4 Finisher (FS-514)
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 unit
19.1.1 IR section
19.1.2 Engine section
19.1.3 Tray 1
19.1.4 Tray 2/multiple bypass tray
19.2 Automatic duplex unit (AD-503)
19.3 DF-608 (option)
19.4 PC-103/PC-203 (option)
19.5 PC-403 (option)
19.6 FS-514 (option)
19.7 PK-510 (option)
19.8 MT-501 (option)
19.9 SD-503 (option)
20. Connector layout drawing
21. Timing chart
21.1 Main unit
21.2 Automatic document feeder
21.2.1 1-sided mode
21.2.2 2-sided mode