Kyocera KM-2550, Service Manual

Service Manual Kyocera KM-2550;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Kyocera KM-2550.
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 KM-2550. 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) MFP
(2) Operation panel
1-1-3 Machine cross section
1-1-4 Drive system

1-2 HANDLING PRECAUTIONS
1-2-1 Drum
1-2-2 Toner
1-2-3 Installation environment

1-3 INSTALLATION
1-3-1 Unpacking and installation
(1) Installation procedure
1-3-2 Setting initial copy modes
1-3-3 Installing the paper feeder (option)
1-3-4 Installing the DP (option)
1-3-5 Installing the duplex unit (option)
1-3-6 Installing the drawer heater (option)
1-3-7 Installing the key counter (option)
1-3-8 Installing the finisher (option)
1-3-9 Installing the job separator (option)
1-3-10 Installing the fax system (option)
1-3-11 Installing the scan system (option)
1-3-12 Installing the hard disk (option)

1-4 MAINTENANCE MODE
1-4-1 Maintenance mode
(1) Executing a maintenance item
(2) Maintenance modes item list
(3) Contents of maintenance mode items
1-4-2 Management mode
(1) Using the management mode
(2) Setting the job accounting
(3) Copy default
(4) Machine default
(5) Bypass setting
(6) Checking the total counter and printing out the counter report
(7) Status report print out
(8) Language selection function

1-5 TROUBLESHOOTING
1-5-1 Paper misfeed detection
(1) Paper misfeed indication
(2) Paper misfeed detection conditions
(3) Paper misfeeds
1-5-2 Self-diagnosis
(1) Self-diagnostic function
(2) Self-diagnostic codes
1-5-3 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) Fixing is poor
(17) Image is out of focus
(18) Image center does not align with the original center
1-5-4 Electrical problems
(1) The machine does not operate when the power switch is turned on
(2) The drive motor does not operate (C2000)
(3) The registration motor does not operate
(4) The exit motor does not operate
(5) The scanner motor does not operate
(6) Cooling fan motor 1 does not operate
(7) Cooling fan motor 2 does not operate
(8) Cooling fan motor 3 does not operate
(9) Cooling fan motor 4 does not operate
(10) Toner motor does not operate
(11) The drawer drive motor does not operate
(12) The paper feed clutch does not operate
(13) The bypass paper feed clutch does not operate
(14) The drawer paper feed clutch does not operate
(15) The cleaning lamp does not turn on
(16) The exposure lamp does not turn on
(17) The exposure lamp does not turn off
(18) The fixing heater does not turn on (C6000)
(19) The fixing heater does not turn off
(20) Main charging is not performed
(21) Transfer charging is not performed
(22) No developing bias is output
(23) The original size is not detected
(24) The original size is not detected correctly
(25) The message requesting paper to be loaded is shown when paper is present in the drawer 1
(26) The message requesting paper to be loaded is shown when paper is present in the drawer 2
(27) The size of paper in the drawer 1 is not displayed correctly
(28) The size of paper in the drawer 2 is not displayed correctly
(29) A paper jam in the paper feed, paper conveying or fixing section is indicated when
the power switch is turned on
(30) The message requesting covers to be closed is displayed when the front cover and left cover are closed
(31) Others
1-5-5 Mechanical problems
(1) No primary paper feed
(2) No secondary paper feed
(3) Skewed paper feed
(4) The scanner does not travel
(5) Multiple sheets of paper are fed at one time
(6) Paper jams
(7) Toner drops on the paper conveying path
(8) Abnormal noise is heard

1-6 ASSEMBLY AND DISASSEMBLY
1-6-1 Precautions for assembly and disassembly
(1) Precautions
(2) Running a maintenance item
1-6-2 Paper feed section
(1) Detaching and refitting the separation pulley
(2) Detaching and refitting the forwarding pulley and paper feed pulley
(3) Detaching and refitting the feed roller
(4) Detaching and refitting the drawer separation pulley
(5) Detaching and refitting the drawer forwarding pulley and drawer paper feed pulley
(6) Detaching and refitting the paper conveying unit
(7) Detaching and refitting the bypass paper feed pulley and bypass separation pad
(8) Detaching and refitting the registration left roller
(9) Detaching and refitting the registration cleaner
(10) Adjustment after roller and clutch replacement
(10-1) Adjusting the leading edge registration of image printing
(10-2) Adjusting the leading edge registration for memory image printing
(10-3) Adjusting the center line of image printing
(10-4) Adjusting the trailing edge margin of image printing
(10-5) Adjusting the margins for printing
(10-6) Adjusting the amount of slack in the paper
1-6-3 Optical section
(1) Detaching and refitting the exposure lamp
(2) Detaching and refitting the scanner wires
(2-1) Detaching the scanner wires
(2-2) Fitting the scanner wires
(3) Detaching and refitting the ISU (reference)
(4) Detaching and refitting the laser scanner unit
(5) Adjusting the longitudinal squareness (reference)
(6) Adjusting magnification of the scanner in the main scanning direction
(7) Adjusting magnification of the scanner in the auxiliary scanning direction
(8) Adjusting the scanner leading edge registration
(9) Adjusting the scanner center line
(10) Adjusting the margins for scanning an original on the contact glass
1-6-4 Drum section
(1) Detaching and refitting the drum unit
(2) Detaching and refitting the drum separation claws
(3) Detaching and refitting the main charger unit
1-6-5 Developing section
(1) Detaching and refitting the developing unit
1-6-6 Transfer section
(1) Detaching and refitting the transfer roller
1-6-7 Fixing section
(1) Detaching and refitting the fixing unit
(2) Detaching and refitting the press roller
(3) Detaching and refitting the fixing heater M and S
(4) Detaching and refitting the heat roller separation claws
(5) Detaching and refitting the heat roller
(6) Detaching and refitting the fixing thermostat
(7) Detaching and refitting the fixing thermistor
(8) Adjusting the fixing unit height (adjusting lateral squareness)

1-7 REQUIREMENTS ON PCB REPLACEMENT
1-7-1 Upgrading the firmware on the main PCB
1-7-2 Upgrading the printer board firmware
1-7-3 Adjustment-free variable resisters (VR)
1-7-4 Remarks on engine PCB or main PCB replacement

2-1 MECHANICAL CONSTRUCTION
2-1-1 Paper feed section
2-1-2 Optical section
(1) Original scanning
(2) Image printing
2-1-3 Drum section
2-1-4 Developing section
(1) Formation of magnetic brush
(2) Single component developing system
2-1-5 Transfer and separation sections
2-1-6 Fixing section
(1) Fixing temperature system
(2) Fixing temperature control based on ambient temperature
2-1-7 Exit and switchback sections
2-1-8 Duplex section
(1) Paper conveying operation in duplex copying

2-2 ELECTRICAL PARTS LAYOUT
2-2-1 Electrical parts layout
(1) PCBs
(2) Switches and sensors
(3) Motors
(4) Other electrical components

2-3 OPERATION OF THE PCBs
2-3-1 Power source PCB
2-3-2 Main PCB
2-3-3 Engine PCB
2-3-4 Printer board PCB
2-3-5 Operation unit PCB
2-3-6 CCD PCB

2-4 APPENDIXES
Timing chart No
Timing chart No
Timing chart No
Timing chart No

Chart of image adjustment procedures
Maintenance parts list
Periodic maintenance procedures
General wiring diagram

Number of pages: 281.