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Make/Model Information:

  • Brand:   Kyocera-mita
  • Models included:
    • Kyocera-Mita TASKalfa-420i
    • Kyocera-Mita TASKalfa-520i

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   572
  • File size:  ∼ 23.89  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMKT-1022

NOTE:  This list was created by program script and may not accurately represent the text from the source pages.   For full preview please click on 'Download sample':

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SERVICE
MANUAL
Published in August 2009
842KS110
2KSSM060
First Edition
TASKalfa 420i
TASKalfa 520i
2KR/2KS
CONTENTS
1-1 Specifications
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.
2KR/2KS
(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
2KR/2KS
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
INSTALLATION GUIDE
DOCUMENT PROCESSOR
PAPER FEEDER
3000 SHEETS PAPER FEEDER
DOCUMENT FINISHER
3000 SHEETS DOCUMENT FINISHER
CENTER-FOLDING UNIT
MAILBOX
HOLE PUNCH UNIT
BUILT-IN FINISHER
JOB SEPARATOR
FAX System (S)
2KR/2KS
1-1-1 Specifications
Machine
Printing method
Supported original types
Maximum original size: A3/Ledger
Original feed system
Paper weight
MP tray : 45 to 160 g/m2
Paper type
Prepunched, Letterhead, High Quality, Custom 1 to 8
(Duplex: Same as Simplex)
MP tray: Plain, Transparency (OHP film), Rough, Vellum, Labels, Recycled,
Preprinted, Bond, Cardstock (Hagaki), Color (Colour), Prepunched,
Letterhead, Thick, Envelope, High Quality, Custom 1to- 8
Paper size
Oficio II, 8.5 x 13.5", Folio, 8K, 16K, 16KR
MP tray: A3, B4, A4, A4R, B5, B5R, A5R, B6R, A6R, Ledger, Legal, Letter, LetterR,
ExecutiveR, Statement, Oficio II, 8.5 x 13.5", Folio, 8K, 16K, 16KR,
Postcards (100 x 148 mm), Return postcard (148 x 200 mm),
Envelope DL, Envelope C5, Envelope C4, Envelope #10 (Commercial #10),
Envelope #9 (Commercial #9), Envelope #6 (Commercial #6 3/4), Monarch,
ISO B5, Youkei 2, Youkei 4
Zoom level
Auto mode: Preset zoom
Printing speed
A4/Letter: 42 sheets/min.
A4R/LetterR: 27 sheets/min.
A3/Ledger: 23 sheets/min.
B4/Legal: 23 sheets/min.
B5: 42 sheets/min.
B5R: 22 sheets/min.
A5R: 16 sheets/min.
52 ppm model
A4/Letter: 52 sheets/min.
A4R/LetterR: 31 sheets/min.
A3/Ledger: 26 sheets/min.
B4/Legal: 26 sheets/min.
B5: 52 sheets/min.
B5R: 24 sheets/min.
A5R: 18 sheets/min.
First copy time
Warm-up time
Power on: 30 s or less
Sleep mode: 15 s or less
Paper capacity
MP tray : 200 sheets (80 g/m2)
Output tray capacity
When built-in finisher installed: 150 sheets (80 g/m2)
When job separator installed: 250 sheets (80 g/m2)
Continuous copying
Light source
Scanning system
Photoconductor
Image write system
Charging system
Developing system
Developer: 1-component, magnetism toner
Toner replenishing: automatic from a toner container
2KR/2KS
Transfer system
Separation system
Cleaning system
Charge erasing system
Fusing system
Heat source: halogen heaters
Abnormally high temperature protection devices: thermostats
Main memory
Maximum: 2048 MB
Hard disk
Interface
USB memory slot: 2 (Full-speed USB)
Network interface: 1 (10 BASE-T/100 BASE-TX)
Optional interface: 2 (KUIO/W)
Resolution
Operating environment
Humidity: 15 to 80% RH
Altitude: 2500 m/8,202 ft maximum
Brightness: 1500 lux maximum
Dimensions
23 9/16" (W) x 25 7/16" (D) x 29 5/16" (H) (main unit only)
Space required
29 5/8" (W) x 25 7/16" (D) (using MP tray)
Power source
220 to 240 V AC, 50 Hz, 6.3 A
Options
3000-sheet document finisher, centerfold unit, mailbox, punch unit, built-in finisher,
job separator, key counter, fax kit, expansion memory, data security kit and printed
document guard kit
Printer functions
Printing speed
First print time
Resolution
Operating system
Windows Vista, Apple Macintosh OS 10.x
Interface
Network interface: 1 (10 BASE-T/100 BASE-TX)
2KR/2KS
Scanner functions
Operating system
System requirements
RAM 128 MB or more
Resolution
File format
PDF (high compression)
Scanning speed
Single scanning: 52 images/min
Interface
Network protocol
Transmission system
FTP Scan to FTP, FTP over SSL
E-mail transmission SMTP Scan to E-mail
Twain scan
WIA scan
NOTE: These specifications are subject to change without notice.
2KR/2KS
Section Description Conditions Specified time
System 00
Initial JAM
The power is turned on when a sensor in the conveying
system is on.
Cover open
Cover is open during copying. -
Secondary paper feed
does not start
Secondary paper feed does not start within specified time
of arrival of paper at the registration section.
Sequence error jam
A communication sequence error occurs between the
machine and the 3000-sheet paper feeder.
section
No paper feed from
cassette 1
Feed switch 1 (FSW1) does not turn on within the specified
time of paper feed clutch 1 (PFCL1) turning on; the clutch is
then successively turned off for 1 s and turned back on, but
the switch again fails to turn on within the specified time.
1152 ms
No paper feed from
cassette 2
Feed switch 2 (FSW2) does not turn on within the specified
time of paper feed clutch 2 (PFCL2) turning on; the clutch is
then successively turned off for 1 s and turned back on, but
the switch again fails to turn on within the specified time.
1209 ms
No paper feed from
cassette 3
Feed switch 3 (FSW3) does not turn on within the specified
time of PF paper feed clutch 1 (PFPFCL1) turning on; the
clutch is then successively turned off for 1 s and turned
back on, but the switch again fails to turn on within the
specified time (paper feed from paper feeder).
1209 ms
Feed switch 3 (FSW3) does not turn on within the specified
time of PF paper feed clutch 1 (PFPFCL1) turning on
(paper feed from 3000-sheet paper feeder).
1582 ms
No paper feed from
cassette 4
The PF feed switch (PFFSW) does not turn on within the
specified time of PF paper feed clutch 2 (PFPFCL2) turning
on; the clutch is then successively turned off for 1 s and
turned back on, but the switch again fails to turn on within
the specified time (paper feed from paper feeder).
1209 ms
No paper feed from MP
The MP feed switch (MPFSW) does not turn on within the
specified time of the MP paper feed clutch (MPPFCL) turn-
ing on; the clutch is then successively turned off for 1 s and
turned back on, but the switch again fails to turn on within
the specified time.
3913 ms
Jam in paper feeder
horizontal paper con-
veying section 1
Paper path sensor 3 (PPS3) does not turn on within speci-
fied time of PF paper feed clutch 2 (PFPFCL2) turning on
(paper feed from 3000-sheet paper feeder).
637 ms
Jam in paper feeder
horizontal paper con-
veying section 2
Paper path sensor 2 (PPS2) does not turn on within speci-
fied time of the paper path sensor 3 (PPS3) turning on
(paper feed from 3000-sheet paper feeder).
681 ms
Jam in paper feeder
horizontal paper con-
veying section 3
Paper path sensor 1 (PPS1) does not turn on within speci-
fied time of the paper path sensor 2 (PPS2) turning on
(paper feed from 3000-sheet paper feeder).
PARTS LIST
Published in January 2010
2KSPL071
842KS121
TASKalfa 420i
TASKalfa 520i
CONTENTS
FIG. 1 Covers
FIG. 2 Frames
FIG. 3 Paper Cassettes
FIG. 4 Paper Feed Section 1
FIG. 5 Paper Feed Section 2
FIG. 6 Paper Feed Section 3
FIG. 7 Paper Conveying Section
FIG. 8 Paper Exit Section (110V)
FIG. 8 Paper Exit Section (120/230/240V)
FIG. 9 Scanner Section 1
FIG. 10 Scanner Section 2
FIG. 11 Bypass Unit
FIG. 12 Bypass Feed Unit
FIG. 13 Laser Scanner Section
FIG. 14 Developing Section
FIG. 15 Fuser Section
FIG. 16 Image Formation Section
FIG. 17 Drive Section 1
FIG. 18 Drive Section 2
FIG. 19 Electrical Components 1
FIG. 20 Electrical Components 2
FIG. 21 Operation Section
FIG. 22 Options 1
FIG. 23 Options 2
FIG. 24 Options 3 & Tools
FIG. 25 Maintenance Kits
INDEX


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