Kyocera FS2020D FS3920DN FS4020DN Service Manual

Service Manual Kyocera FS2020D FS3920DN FS4020DN;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Kyocera FS2020D FS3920DN FS4020DN.
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 theĀ  simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Kyocera FS2020D FS3920DN FS4020DN photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

1-1 SPECIFICATIONS
1-1-1 Specifications
1-1-2 Parts names
(1) Overall
(2) Operation panel
1-1-3 Machine cross section

1-2 INSTALLATION
1-2-1 Installation environment
1-2-2 Unpacking
(1) Unpacking
1-2-3 Installing the expanded memory (option)
1-2-4 Installing the memory card (option)

1-3 MAINTENANCE MODE
1-3-1 Maintenance mode
(1) Executing a maintenance item
(2) Contents of maintenance mode items
(3) Printing an event log (EVENT LOG)

1-4 TROUBLESHOOTING
1-4-1 Paper misfeed detection
(1) Paper misfeed indication
(2) Paper misfeed detection
1-4-2 Self-diagnostic function
(1) Self-diagnostic function
(2) Self diagnostic codes
1-4-3 Image formation problems
(1) Completely blank printout
(2) All-black printout
(3) Dropouts
(4) Black dots
(5) Black horizontal streaks
(6) Black vertical streaks
(7) Unsharpness
(8) Gray background
(9) Dirt on the top edge or back of the paper
(10) Undulated printing at the left edge (scanning start position)
1-4-4 Electric problems

1-5 ASSEMBLY AND DISASSEMBLY
1-5-1 Precautions for assembly and disassembly
(1) Precautions
(2) Drum
(3) Toner container
(4) How to tell a genuine Kyocera Mita toner container
1-5-2 Outer covers
(1) Detaching and refitting the top cover
(2) Detaching and refitting the right cover and left cover
1-5-3 Paper feed section
(1) Detaching and refitting the paper feed assembly (paper feed roller and pickup roller)
(2) Detaching and refitting the retard roller
(3) Detaching and refitting the registration upper and lower roller
(4) Detaching and refitting the MP tray paper feed roller
1-5-4 Developing section
(1) Detaching and refitting the developing unit
1-5-5 Drum section
(1) Detaching and refitting the drum unit
(2) Detaching and refitting the main charger unit
1-5-6 Transfer/separation section
(1) Detaching and refitting the transfer roller and separation charger brush unit
1-5-7 Fuser section
(1) Detaching and refitting the fuser unit
(2) Detaching and refitting the fuser heater lamp
(3) Detaching and refitting the heat roller
(4) Detaching and refitting the press roller
(5) Detaching and refitting the fuser thermistor 1/2 and thermal cutout
1-5-8 PWBs
(1) Detaching and refitting the engine PWB
(2) Detaching and refitting the main PWB
(3) Detaching and refitting the power source unit (PWB)
1-5-9 Others
(1) Detaching and refitting the paper feed drive unit
(2) Detaching and refitting the main drive unit
(3) Detaching and refitting the laser scanner unit
(4) Direction of installing the principal fan motors

1-6 FIRMWARE
1-6-1 Downloading firmware
(1) Downloading the firmware from the USB memory
(2) Downloading the firmware from the memory card
2-1 Mechanical Construction
2-1-1 Paper feed section
(1) Paper cassette paper feed section
(2) MP tray paper feed section
(3) Paper feed conveying section
2-1-2 Drum section
(1) Drum section
2-1-3 Expose section
(1) Laser scanner unit
2-1-4 Developing section
(1) Developing section
2-1-5 Transfer/separation section
(1) Transfer/separation section
2-1-6 Cleaning section
2-1-7 Fuser section
(1) Fuser unit
2-1-8 Paper exit section/rear unit
(1) Paper exit section/rear unit
2-1-9 Duplex conveying section
(1) Duplex conveying section
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout
(1) Electrical parts layout
2-3 Operation of the PWBs
2-3-1 Power source PWB
2-3-2 Engine PWB

2-4 Appendixes
Repetitive defects gauge
Wiring diagram (35 ppm printer)
Wiring diagram (40 ppm printer)
Wiring diagram (45 ppm printer)

Number of pages: 135.