Konica Minolta Bizhub 4020 Bizhub 3320 Service Manual

Service Manual Konica Minolta Bizhub 4020 Bizhub 3320;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Konica Minolta Bizhub.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Konica Minolta Bizhub 4020 Bizhub 3320. You can find easily everything what do you need.
To see what contain, please read table of contents:

Trademarks
1. Notices and safety information
1.1 Laser notices
1.1.1 Laser notice
1.1.2 Laser-Hinweis
1.1.3 Avis relatif – l’utilisation du laser
1.1.4 Avvertenze sui prodotti laser
1.1.5 Aviso de laser
1.1.6 Aviso sobre laser
1.1.7 Laserinformatie
1.1.8 Lasererklaering
1.1.9 Laserilmoitus
1.1.10 Lasermeddelande
1.1.11 Lasermerknad
1.1.12 Avis sobre el laser
1.2 Safety
1.2.1 Safety information
1.2.2 Consignes de securite
1.2.3 Norme di sicurezza
1.2.4 Sicherheitshinweise
1.2.5 Pautas de Seguridad
1.2.6 Informacoes de Seguranca
1.2.7 Informacia de Seguretat

2. PREFACE
2.1 Service manual conventions

3. GENERAL INFORMATION
3.1 Understanding the control panel and menus (bizhub 3320)
3.1.1 Using the printer control panel
3.1.2 Understanding the colors of the indicator and Sleep button lights
3.2 Understanding the control panel and menus (bizhub 4020)
3.2.1 Using the printer control panel
3.2.2 Understanding the colors of the indicator and Sleep button lights
3.2.3 Understanding the home screen
3.2.4 Using the touch-screen buttons
3.3 Menus list
3.4 Media guidelines
3.4.1 Paper guidelines
3.4.2 Using recycled paper and other office papers
3.4.3 Using specialty media
3.4.4 Supported paper sizes, types, and weights
3.5 Data security notice
3.6 Tools required for service

4. DIAGNOSTIC INFORMATION
4.1 Troubleshooting overview
4.1.1 Performing the initial troubleshooting check
4.1.2 Power-on Reset (POR) sequence
4.1.3 Using Safe Mode
4.2 Fixing print quality issues
4.2.1 Initial print quality check
4.2.2 Gray background or toner fog on prints
4.2.3 Repeating defects
4.2.4 Printer is printing blank pages
4.2.5 Printer is printing solid black pages
4.2.6 Shadow images appear on prints
4.2.7 Skewed print
4.2.8 Streaked horizontal or vertical lines appear on prints
4.2.9 Toner rubs off
4.2.10 Toner specks appear on prints
4.3 Paper jams
4.3.1 Avoiding jams
4.3.2 Understanding jam messages and locations
4.3.3 200 paper jams
4.3.4 201 paper jams
4.3.5 202 paper jams
4.3.6 23y paper jams
4.3.7 24y paper jams
4.3.8 25y paper jams
4.3.9 28y paper jams
4.3.10 29y paper jams
4.4 Understanding printer messages
4.4.1 Cartridge low [88.xy]
4.4.2 Cartridge nearly low [88.xy]
4.4.3 Cartridge very low, [x] estimated pages remain [88.xy]
4.4.4 Change [paper source] to [custom string] load [paper orientation]
4.4.5 Change [paper source] to [custom type name] load [orientation]
4.4.6 Change [paper source] to [paper size] load [orientation]
4.4.7 Change [paper source] to [paper type] [paper size] load [orientation]
4.4.8 Close flatbed cover and load originals if restarting job [2yy.xx]
4.4.9 Close door
4.4.10 Configuration change, some held jobs were not restored [57]
4.4.11 Complex page, some data may not have printed [39]
4.4.12 Defective flash detected [51]
4.4.13 Disk must be formatted for use in this device
4.4.14 Error reading USB drive. Remove USB
4.4.15 Error reading USB hub. Remove hub
4.4.16 Fax partition inoperative. Contact system administrator
4.4.17 Fax server ‘To Format’ not set up. Contact system administrator
4.4.18 Fax Station Name not set up. Contact system administrator
4.4.19 Fax Station Number not set up. Contact system administrator
4.4.20 Imaging unit low [84.xy]
4.4.21 Imaging unit nearly low [84.xy]
4.4.22 Imaging unit very low, [x] estimated pages remain [84.xy]
4.4.23 Incorrect paper size, open [paper source] [34]
4.4.24 Insufficient memory, some Held Jobs were deleted [37]
4.4.25 Insufficient memory, some held jobs will not be restored [37]
4.4.26 Insufficient memory for Flash Memory Defragment operation [37]
4.4.27 Insufficient memory to collate job [37]
4.4.28 Insufficient memory to support Resource Save feature [35]
4.4.29 Load manual feeder with [custom string] [paper orientation]
4.4.30 Load manual feeder with [custom type name] [paper orientation]
4.4.31 Load manual feeder with [paper size] [paper orientation]
4.4.32 Load manual feeder with [paper type] [paper size] [paper orientation]
4.4.33 Load [paper source] with [custom string] [paper orientation]
4.4.34 Load [paper source] with [custom type name] [paper orientation]
4.4.35 Load [paper source] with [paper size] [paper orientation]
4.4.36 Load [paper source] with [paper type] [paper size] [paper orientation]
4.4.37 Maintenance kit low [80.xy]
4.4.38 Maintenance kit nearly low [80.xy]
4.4.39 Maintenance kit very low, [x] estimated pages remain [80.xy]
4.4.40 Memory full [38]
4.4.41 Memory full, cannot print faxes
4.4.42 Memory full, cannot send faxes
4.4.43 Network [x] software error [54]
4.4.44 No analog phone line connected to modem, fax is disabled
4.4.45 Non- Printer Manufacture [supply type], see User’s Guide [33.xy]
4.4.46 Not enough free space in flash memory for resources [52]
4.4.47 Printer had to restart. Last job may be incomplete
4.4.48 Reinstall defective or unresponsive cartridge [31.xy]
4.4.49 Reinstall missing or unresponsive cartridge [31.xy]
4.4.50 Remove paper from standard output bin
4.4.51 Replace all originals if restarting job
4.4.52 Replace cartridge, 0 estimated pages remain [88.xy]
4.4.53 Replace cartridge, printer region mismatch [42.xy]
4.4.54 Replace defective imaging unit [31.xy]
4.4.55 Replace jammed originals if restarting job
4.4.56 Replace imaging unit, 0 estimated pages remain [84.xy]
4.4.57 Replace maintenance kit, 0 estimated pages remain [80.xy]
4.4.58 Reinstall missing or unresponsive imaging unit [31.xy]
4.4.59 Replace unsupported cartridge [32.xy]
4.4.60 Replace unsupported imaging unit [32.xy]
4.4.61 Restore held jobs?
4.4.62 Scanner automatic feeder cover open
4.4.63 Scanner disabled by admin [840.01]
4.4.64 Scanner disabled. Contact system administrator if problem persists. [840.02]
4.4.65 Scanner jam, remove all originals from the scanner [2yy.xx]
4.4.66 Scanner jam, remove jammed originals from the scanner [2yy.xx]
4.4.67 Serial option [x] error [54]
4.4.68 SMTP server not set up. Contact system administrator
4.4.69 Some held jobs were not restored
4.4.70 Standard network software error [54]
4.4.71 Standard USB port disabled [56]
4.4.72 Supply needed to complete job
4.4.73 Too many flash options installed [58]
4.4.74 Too many trays attached [58]
4.4.75 Unformatted flash detected [53]
4.4.76 Weblink server not set up. Contact system administrator
4.5 User attendance messages (0-99.99)
4.5.1 User attendance messages (0-99.99)
4.5.2 Toner cartridge smart chip contact service check
4.5.3 Imaging unit smart chip contact service check
4.5.4 Toner smart chip compatibility service check
4.5.5 Imaging chip compatibility service check
4.5.6 Media size mismatch service check
4.5.7 Media size mismatch service check
4.5.8 Flash full service check
4.5.9 Maintenance kit service check
4.5.10 Insufficient memory service check
4.5.11 Imaging unit low service check
4.5.12 Toner cartridge low service check
4.6 Printer hardware errors
4.6.1 1yy error messages
4.6.2 Printhead unit service check
4.6.3 Fuser service check
4.6.4 LVPS service check
4.6.5 Toner density sensor service check
4.6.6 CTLS service check
4.6.7 Main drive gearbox service check
4.6.8 ACM service check
4.6.9 Cartridge gearbox service check
4.6.10 Tray 1 pick/lift motor gearbox service check
4.6.11 Cooling fan service check
4.6.12 9yy error messages
4.6.13 System software error service check
4.6.14 NVRAM mismatch failure service check
4.6.15 NVRAM cyclic redundancy service check
4.6.16 Invalid firmware/controller board service check
4.6.17 RAM memory error service check
4.6.18 Download emulation cyclic redundancy service check
4.6.19 Base printer symptoms
4.6.20 Dead machine service check
4.6.21 Controller board service check
4.6.22 Control panel service check
4.6.23 Control panel button service check
4.6.24 USB print service check
4.6.25 Front door not closed service check
4.6.26 Network service check
4.7 ADF/Scanner hardware errors
4.7.1 8xx service error messages
4.7.2 Scanner disabled error service check
4.7.3 ADF service check
4.7.4 Scanner configuration error service check
4.7.5 Scan/fax/copy symptoms
4.7.6 Black or blank page copy service check
4.7.7 CCD service check
4.7.8 Flatbed motor service check
4.7.9 Flatbed home position service check
4.7.10 ADF rattling noise service check
4.7.11 Flatbed legal scan service check
4.7.12 ADF streak service check
4.7.13 ADF feed errors service check
4.7.14 ADF duplex service check (bizhub 4020 only)
4.7.15 Modem/fax board service check
4.7.16 Blank spaces on incoming fax service check
4.7.17 Stretched words on incoming fax service check
4.7.18 Fax reception service check
4.7.19 Fax transmission service check
4.7.20 Fax error log codes
4.7.21 Escalating a fax issue to second-level support
4.8 Input option hardware errors
4.8.1 3yy error messages
4.8.2 Option tray pick/lift section service check
4.8.3 Option tray separator/pass-through motor service check
4.8.4 Option tray ACM motor service check
4.8.5 Option tray controller board service check

5. SERVICE MENUS
5.1 Diagnostics menu
5.1.1 Entering the Diagnostics menu
5.1.2 Registration
5.1.3 Scanner calibration
5.1.4 Print Tests
5.1.5 Print Quality Pages
5.1.6 HARDWARE TESTS
5.1.7 DUPLEX TESTS
5.1.8 INPUT TRAY TESTS
5.1.9 OUTPUT BIN TESTS
5.1.10 BASE SENSOR TEST
5.1.11 DEVICE TESTS
5.1.12 PRINTER SETUP
5.1.13 EP SETUP
5.1.14 REPORTS
5.1.15 EVENT LOG
5.1.16 Scanner tests
5.1.17 Exit Diags
5.2 Configuration menu
5.2.1 Entering the Configuration menu
5.2.2 Reset ADF Maintenance Kit Counter
5.2.3 Reset separator roll and pick assembly counter
5.2.4 Maintenance Counter Value
5.2.5 Reset Maintenance Counter
5.2.6 Print Quality Pages
5.2.7 Reports
5.2.8 Panel Menus
5.2.9 PPDS Emulation
5.2.10 Download Emuls
5.2.11 Safe Mode
5.2.12 Factory Defaults
5.2.13 Energy Conserve
5.2.14 Fax low power support
5.2.15 Min copy memory
5.2.16 Num pad job assist
5.2.17 Format fax storage
5.2.18 ADF edge erase
5.2.19 Flatbed edge erase
5.2.20 Scanner manual registration
5.2.21 Disable scanner
5.2.22 Paper Prompts
5.2.23 Envelope Prompts
5.2.24 Action for Prompts
5.2.25 Jobs on Disk
5.2.26 Disk Encryption
5.2.27 Erase All Information on Disk
5.2.28 Wipe All Settings
5.2.29 Font Sharpening
5.2.31 Require Standby
5.2.32 A5 Loading
5.2.33 UI Automation
5.2.34 LES Applications (Bizhub 4020 only)
5.2.35 Key Repeat Initial Delay
5.2.36 Key Repeat Rate
5.2.37 Clear Supply Usage History
5.2.38 Clear Custom Status
5.2.39 USB Speed
5.2.40 Automatically Display Error Screens
5.2.41 USB PnP
5.2.42 Restore Factory Defaults
5.2.43 Exit Config menu
5.3 Entering invalid engine mode
5.4 Entering recovery mode
5.5 Entering restore point
5.6 Accessing the Network SE menu
5.7 Service Engineer menu
5.7.1 Accessing the service engineer (SE) menu
5.7.2 Fax service engineer (SE) menu
5.8 Updating the printer firmware
5.8.1 Confirming the firmware version
5.8.2 Procedures for updating the firmware via USB flash/thumb drive (bizhub 4020 only)
5.8.3 Procedures for updating the firmware via USB connection
5.8.4 Procedures for updating the firmware via network connection
5.8.5 Procedures for rewriting the firmware in recovery mode (bizhub 3320 only)

6. REPAIR INFORMATION
6.1 Removal precautions
6.1.1 Data security notice
6.1.2 Handling ESD-sensitive parts
6.1.3 Controller board/control panel replacement
6.1.4 Ribbon cable connectors
6.1.5 Printhead unit adjustments
6.2 Removal procedures
6.3 Left side removals
6.3.1 Left cover removal
6.3.2 Main drive gearbox removal
6.3.3 MPF gearbox removal
6.3.4 Reverse solenoid removal
6.3.5 Cartridge gearbox removal
6.3.6 Duplex gear assembly removal
6.4 Right side removals
6.4.1 Right cover removal
6.4.2 Memory access door removal
6.4.3 Tray present sensor removal
6.4.4 Cooling fan removal
6.4.5 Controller board removal
6.4.6 Controller board shield removal
6.4.7 Toner cartridge smart chip contact removal
6.4.8 Modem removal
6.5 Front removals
6.5.1 Left front mount removal
6.5.2 Right front mount removal
6.5.3 Transfer roll removal
6.5.4 Cartridge plunger removal
6.5.5 Name plate cover removal
6.5.6 Front bin cover removal
6.5.7 Control panel assembly removal
6.5.8 Control panel board removal (bizhub 4020)
6.5.9 Control panel board removal (bizhub 3320)
6.5.10 Control panel board shield removal
6.5.11 USB cable bracket removal (bizhub 4020)
6.5.12 Speaker removal
6.5.13 Control panel cover removal
6.5.14 Display removal (bizhub 4020)
6.5.15 Display removal (bizhub 3320)
6.5.16 Light tube removal (bizhub 4020)
6.5.17 Keypad assembly removal
6.5.18 MPF tray removal
6.5.19 MPF pick roller cover removal
6.5.20 MPF pick roller removal
6.5.21 Bail removal
6.5.22 Jam access cover removal
6.5.23 Front access cover removal
6.5.24 Front door sensor removal
6.5.25 Front input guide removal
6.5.26 Separator pad removal
6.6 Bottom removals
6.6.1 Power supply removal
6.6.2 Power supply shield removal
6.6.3 Duplex removal
6.6.4 Duplex sensor and input sensor removal
6.6.5 Duplex sensor and input sensor removal (bizhub 3320)
6.6.6 Index sensor removal
6.6.7 Media present sensor removal
6.6.8 Toner density sensor removal
6.6.9 Trailing edge sensor removal (bizhub 4020)
6.6.10 Trailing edge sensor removal (bizhub 3320)
6.6.11 Media present flag removal (bizhub 4020)
6.6.12 ACM assembly removal (bizhub 4020)
6.6.13 ACM assembly removal (bizhub 3320)
6.6.14 Pick/lift motor gearbox removal (bizhub 4020)
6.6.15 Tray guide removal
6.7 Rear side removals
6.7.1 Dust cover removal
6.7.2 Rear exit door removal
6.7.3 Rear cover removal
6.7.4 Narrow media/bin full sensor removal
6.7.5 Redrive assembly removal
6.7.6 Fuser removal
6.8 Top side removals
6.8.1 Top cover assembly removal
6.8.2 Bin extender removal
6.8.3 Printhead unit removal
6.9 ADF/scanner removals
6.9.1 ADF separator pad removal (bizhub 3320)
6.9.2 ADF separator roll removal (bizhub 4020)
6.9.3 Flatbed cushion removal
6.9.4 Scanner front cover removal
6.9.5 Scanner rear cover removal
6.9.6 ADF input tray removal
6.9.7 ADF unit removal
6.9.8 Scanner assembly removal
6.9.9 ADF top cover assembly
6.9.10 ADF cable removal
6.9.11 USB cable removal (bizhub 4020)
6.9.12 USB wireless cable removal (bizhub 3320)
6.9.13 ADF hinge removal
6.9.14 Flatbed assembly removal
6.9.15 Control panel ribbon cable removal
6.9.16 Speaker cable removal
6.9.17 Cave light cable removal (bizhub 4020)
6.9.18 Restraint pad removal
6.10 250/550-sheet option tray removals
6.10.1 Pick roller removal
6.10.2 Separator roll assembly removal
6.10.3 ACM assembly removal

7. COMPONENT LOCATIONS
7.1 Bizhub 4020
7.1.1 Front view
7.1.2 Rear view
7.2 bizhub 3320
7.2.1 Front view
7.2.2 Rear view

8. MAINTENANCE
8.1 Inspection guide
8.2 Scheduled maintenance
8.2.1 Maintenance kit
8.2.2 Resetting the maintenance counter
8.3 Lubrication specification
8.4 Cleaning the printer
8.5 Cleaning the scanner glass

9. ELECTRICAL PARTS LAYOUT
9.1 Bizhub 4020
9.2 Bizhub 3320

10. PRINTER SPECIFICATIONS
10.1 Electrical specifications
10.2 Operating clearances
10.3 Acoustics
10.4 Operating environment
10.5 Scanner specifications
10.6 Fax specifications

11. OPTIONS AND FEATURES
11.1 Available internal options
11.1.1 Bizhub 4020
11.1.2 Bizhub 3320
11.2 Media handling options

12. THEORY OF OPERATION
12.1 POR sequence
12.2 Printer control
12.3 Paper path information
12.3.1 Input tray
12.3.2 Multipurpose feeder (MPF)
12.3.3 Simplex printing
12.3.4 Duplex printing
12.4 Media handling components
12.4.1 Main drive gearbox
12.4.2 Autocompensator mechanism (ACM)
12.5 Key components
12.5.1 Sensors
12.5.2 Other key components
12.6 Electrophotographic process (EP process)
12.6.1 Printhead
12.6.2 Step 1: Charge
12.6.3 Step 2: Expose
12.6.4 Step 3: Develop
12.6.5 Step 4: Transfer
12.6.6 Step 5: Clean
12.7 ADF theory
12.7.1 ADF theory of operation

13. ACRONYMS
13.1 Acronyms

Number of pages: 414.