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
1.2 Safety

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
4.4 Understanding printer messages
4.5 User attendance messages (0-99.99)
4.6 Printer hardware errors
4.6.5 Toner density sensor service check
4.6.6 CTLS service check
4.7 ADF/Scanner hardware errors
4.8 Input option hardware errors

5. SERVICE MENUS
5.1 Diagnostics menu
5.2 Configuration 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
5.8 Updating the printer firmware

6. REPAIR INFORMATION
6.1 Removal precautions
6.2 Removal procedures
6.3 Left side removals
6.4 Right side removals
6.5 Front removals
6.6 Bottom removals
6.7 Rear side removals
6.8 Top side removals
6.9 ADF/scanner removals
6.10 250/550-sheet option tray removals

7. COMPONENT LOCATIONS

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