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Kyocera TASKalfa 420i, TASKalfa 520i, Service Manual
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Kyocera TASKalfa 420i, TASKalfa 520i copier.
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 Kyocera TASKalfa 420i, TASKalfa 520i photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
1-1 SPECIFICATION
1-1-1 Specifications
1-1-2 Parts names
(1) Machine
(2) Operation panel
1-1-3 Machine cross section
1-2 INSTALLATION
1-2-1 Installation environment
1-2-2 Unpacking and installation
(1) Installation procedure
(2) Setting initial copy modes
1-2-3 Installing the key counter (option)
1-2-4 Replacing the expanded memory
1-3 MAINTENANCE MODE
1-3-1 Maintenance mode
(1) Executing a maintenance item
(2) Maintenance modes item list
(3) Contents of the maintenance mode items
1-3-2 Management mode
(1) Using the management mode
(2) Common Settings
(3) Copy Settings
(4) Sending Settings
(5) Document Box Settings
(6) Printer Settings
(7) Printing Reports/Sending Notice
(8) Adjustment/Maintenance
(9) Date/Timer
(10) Editing Destination (Address Book/Adding One Touch Keys)
(11) Internet Browser Setup
(12) Applications
(13) System Settings
(14) User Login Administration
(15) Job accounting
1-4 TROUBLESHOOTING
1-4-1 Paper misfeed detection
(1) Paper misfeed indication
(2) Paper misfeed detection conditions
(3) Paper misfeeds
1-4-2 Self-diagnosis
(1) Self-diagnostic function
(2) Self diagnostic codes
1-4-3 Image formation problems
(1) No image appears (entirely white)
(2) No image appears (entirely black)
(3) Image is too light
(4) Background is visible
(5) A white line appears longitudinally
(6) A black line appears longitudinally
(7) A black line appears laterally
(8) One side of the copy image is darker than the other
(9) Black dots appear on the image
(10) Image is blurred
(11) The leading edge of the image is consistently misaligned with the original
(12) The leading edge of the image is sporadically misaligned with the original
(13) Paper creases
(14) Offset occurs
(15) Image is partly missing
(16) Fusing is poor
(17) Image is out of focus
(18) Image center does not align with the original center
(19) Image is not square
1-4-4 Electric problems
1-4-5 Mechanical problems
1-4-6 Send error code
(1) Scan to SMB error codes
(2) Scan to FTP error codes
(3) Scan to E-mail error codes
(4) Network Twain error codes
(5) Software trouble error codes
1-5 ASSEMBLY and DISASSEMBLY
1-5-1 Precautions for assembly and disassembly
(1) Precautions
(2) Drum
(3) Toner
(4) How to tell a genuine Kyocera Mita toner container
1-5-2 Paper feed section
(1) Detaching and refitting the forwarding, paper feed and separation pulleys
(2) Detaching and refitting the MP separation, MP paper feed and MP forwarding pulleys
(3) Detaching and refitting the left and right registration cleaner
1-5-3 Optical section
(1) Detaching and refitting the exposure lamp
(2) Detaching and refitting the scanner wires
(3) Detaching and refitting the ISU (reference)
(4) Detaching and refitting the laser scanner unit
(5) Adjusting the skew of the laser scanner unit (reference)
1-5-4 Drum section
(1) Detaching and refitting the drum unit
(2) Detaching and refitting the main charger unit
(3) Detaching and refitting the drum separation claws
1-5-5 Developing section
(1) Detaching and refitting the developing unit
1-5-6 Transfer section
(1) Detaching and refitting the transfer roller unit
1-5-7 Fuser section
(1) Detaching and refitting the fuser unit
(2) Detaching and refitting the heat roller separation claws
(3) Detaching and refitting the press roller
(4) Detaching and refitting the fuser heater
(5) Detaching and refitting the heat roller
(6) Detaching and refitting the fuser thermistor 1 and 2
(7) Adjusting front position of the fuser unit (adjusting lateral squareness)
1-5-8 Others
(1) Detaching and refitting the ozone filter 1 and 2
(2) Detaching and refitting the dust filter 1 and 2
(3) Detaching and refitting the ISU filter
(4) Detaching and refitting the hard disk
(5) Direction of installing the principal fan motors
1-6 REQUIREMENTS ON PWB REPLACEMENT
1-6-1 Upgrading the firmware
1-6-2 Adjustment-free variable resistors (VR)
1-6-3 Remarks on main PWB replacement
1-6-4 Remarks on engine PWB replacement
2-1 Mechanical construction
2-1-1 Paper feed section
(1) Cassette paper feed section
(2) MP tray paper feed section
2-1-2 Optical section
(1) Image scanner section
(2) Laser scanner section
2-1-3 Drum section
2-1-4 Developing section
(1) Single component developing system
2-1-5 Transfer and separation sections
2-1-6 Fuser section
2-1-7 Eject and switchback sections
2-1-8 Duplex section
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout
(1) PWBs
(2) Switches and sensors
(3) Motors
(4) Others
2-3 Operation of the PWBs
2-3-1 Power source PWB
2-3-2 Engine PWB
2-3-3 Main PWB
2-3-4 ISM PWB
2-3-5 Main operation PWB
2-4 Appendixes
Maintenance parts list
Maintenance kits
Periodic maintenance procedures
Chart of image adjustment procedures
Wiring diagram No.1
Wiring diagram No.2
Wiring diagram No.3
Wiring diagram No.4
Wiring diagram No.5
Numbers of pages: 504.
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