Service Manual Kyocera TASKalfa 2420W;
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To see what contain, please read table of contents:
Chapter 1. INTRODUCTION
1. 1 Features
1. 2 Specifications
1. 2. 1 General
1. 2. 2 Printer part
1. 2. 3 Scanner part
1. 3 Specifications for Originals
1. 3. 1 Original – Standard
1. 3. 2 Special Documents
1. 3. 3 “Do Not Scan” Originals
1. 4 Appearance
1. 4. 1 Front
1. 4. 2 Rear
1. 5 Specifications for Scan Original
1. 6 Specifications for Printing Media
1. 6. 1 Papers not available to use
1. 6. 2 Keeping the paper in the custody
1. 6. 3 Treatment against environmental condition
Chapter 2. INSTALLATION
1. 1 Features
1. 2 Specifications
1. 2. 1 General
1. 2. 2 Printer part
1. 2. 3 Scanner part
1. 3 Specifications for Originals
1. 3. 1 Original – Standard
1. 3. 2 Special Documents
1. 3. 3 “Do Not Scan” Originals
1. 4 Appearance
1. 4. 1 Front
1. 4. 2 Rear
1. 5 Specifications for Scan Original
1. 6 Specifications for Printing Media
1. 6. 1 Papers not available to use
1. 6. 2 Keeping the paper in the custody
1. 6. 3 Treatment against environmental condition
Chapter 3. PRINT/SCAN PROCESS
3. 1 Print Process
3. 1. 1 Characteristic of toner
3. 1. 2 Each step of the print process
3. 1. 2. 1 Erasing (Removal of negative electric charges)
3. 1. 2. 2 Charge of Drum
3. 1. 2. 3 Exposure
3. 1. 2. 4 Development
3. 1. 2. 5 Transfer
3. 1. 2. 6 Separation
3. 1. 2. 7 Drum Cleaning (Removal of remained toner)
3. 1. 2. 8 Fusing
3. 1. 3 Controlling the movement of toner in the Developer Unit
3. 1. 4 Toner Collection Process
3. 1. 5 Density Compensation Process
3. 2 Scan Process
3. 2. 1 Data flow in scan and copy (for Old Scanner)
3. 2. 2 Data flow in scan and copy (for New Scanner)
3. 2. 3 Positioning process of Image Block 3-23
Chapter 4. ELECTRICAL
4. 1 General information
4. 2 Electrical Component Location
4. 2. 1 Right
4. 2. 2 Left
4. 2. 3 Rear
4. 2. 4 Front
4. 2. 5 Process Frame / LED Head
4. 2. 6 Main Frame
4. 2. 7 Sensor on Media Path
4. 2. 8 Cutter Unit
4. 2. 9 Developer Unit
4. 2. 10 Fuser Unit
4. 2. 11 Scanner Unit (Old Scanner)
4. 2. 12 Scanner Unit (New Scanner)
4. 3 Check & Adjustment of Analog Output from HV Power Supply
4. 3. 1 Situations necessary to check the analog output
4. 3. 2 Analog Voltage to Image Corona
4. 3. 3 Analog Voltage to Transfer Corona
4. 3. 4 AC Component to Separation Corona
4. 3. 5 DC Component to Separation Corona
4. 3. 6 Negative Developer Bias to Developer Roller
4. 3. 7 Positive Developer Bias to Developer Roller
4. 3. 8 Bias gap between Developer Roller and Regulation Roller
4. 3. 9 Positive Cleaning Roller Bias (Print Cycle)
4. 3. 10 Negative Cleaning Roller Bias (Toner Collection Process)
Chapter 5. MECHANICAL
5. 1 Periodic Replacement
5. 1. 1 Image Corona Unit
5. 1. 2 Transfer / Separation Corona Unit
5. 1. 3 Filters
5. 1. 4 Developer Unit
5. 1. 4. 1 Replacement Procedure
5. 1. 4. 2 Using Wizard
5. 1. 5 Process Unit
5. 2 Fuser Unit
5. 2. 1 Removing Fuser Unit
5. 3 Scanner Unit (for Old Scanner)
5. 3. 1 Scan Glass Assy
5. 3. 2 Main Board
5. 3. 3 CIS
5. 4 Scanner Unit (for New Scanner)
5. 4. 1 Scan Glass Assy
5. 4. 2 CIS
5. 4. 3 Main Board (PW12920)
5. 5 LED Head Unit
5. 5. 1 Replacing LED Head Unit
5. 5. 2 Focus Adjustment
Chapter 6. MAINTENANCE
6. 1 Recommended Periodic Replacement Parts
6. 2 Cleaning
6. 2. 1 Cleaning Nail Stripping
6. 3 Service Tool List
Chapter 7. TROUBLESHOOTING
7. 1 Troubleshooting – Printer Errors
7. 1. 1 Countermeasures – Call Operator Errors
7. 1. 1. 1 J-0103 / 0203 Roll Deck Feeder Jam
7. 1. 1. 2 J-0104 / 0204 / 1004 Registration Jam
7. 1. 1. 3 J-0105 / 0205 / 1005 Process Unit Jam
7. 1. 1. 4 J-0106 / 0206 / 1006 Fuser Jam
7. 1. 1. 5 J-1300 / 1400 Door Open while printing
7. 1. 1. 6 Deck Jam
7. 1. 1. 7 Manual Set NG
7. 1. 1. 8 Toner Empty
7. 1. 1. 9 Roll Empty
7. 1. 2 Countermeasures – Call Service Errors
7. 1. 2. 1 E-0000 / 0002 / 0004 Fuser Error
7. 1. 2. 2 E-0001 Fuser Error
7. 1. 2. 3 E-0003 Fuser Error
7. 1. 2. 4 E-0005 Fuse Error
7. 1. 2. 5 E-0010 Main Motor Error
7. 1. 2. 6 E-0013 Paper Tray Motor Error
7. 1. 2. 7 E-0020 Counter Error
7. 1. 2. 8 E-0031 / 0032 / 0033 High Voltage Output Error
7. 1. 2. 9 E-0034 Bias Output Error
7. 1. 2.10 E-0040 Cutter Error
7. 1. 2.11 E-0050 FPGA Error
7. 1. 2.12 E-0070 Developer Error
7. 1. 2.13 E-0080 / 0081 Density Sensor Error
7. 1. 2.14 E-0090 Eraser Lamp Error
7. 2 Troubleshooting – Image Quality Defects
7. 2. 1 Basic Image Adjustment
7. 2. 2 Countermeasures – Image Quality Defects
7. 2. 2. 1 Halftone is too light
7. 2. 2. 2 Halftone and solid black are too light
7. 2. 2. 3 The whole image is extremely light
7. 2. 2. 4 Density is uneven
7. 2. 2. 5 Totally appeared foggy image
7. 2. 2. 6 Foggy image or blurred black wide line (vertical)
7. 2. 2. 7 Clear black thin line (vertical)
7. 2. 2. 8 White line (Vertical)
7. 2. 2. 9 Void of image
7. 2. 2.10 Dirt on the back of the print
7. 2. 2.11 Defective fusing
7. 2. 2.12 Defective image placement, No Leading Edge
7. 2. 2.13 Jitter
7. 2. 2.14 Image looks not sharp
7. 2. 2.15 Uneven image density (vertical)
7. 2. 2.16 Completely white (No image)
7. 2. 2.17 Completely black
7. 2. 2.18 Crease of paper
7. 2. 2.19 Double image
7. 2. 2.20 Dirt on the print (Offset)
7. 2. 2.21 Crease on Long Print (and image void at a time)
7. 3 Troubleshooting – Scanner Defects
7. 3. 1 Countermeasures – scanner operation
7. 3. 1. 1 Original can not be set (Scanner does not transport)(Old Scanner)
7. 3. 1. 2 Original can not be set (Scanner does not transport)(New Scanner)
7. 3. 1. 3 Scanner does not start scanning from the original set position
7. 3. 1. 4 Original can not be set (Original feeding does not stop)
7. 3. 1. 5 Original is mis-fed
7. 3. 1. 6 Motor rotates endlessly at the time of turning on
7. 3. 1. 7 Scanner is not recognized
7. 3. 1. 8 Check of Size Sensors (for New Scanner)
7. 3. 1. 9 Check of Document Sensor Front (for New Scanner)
7. 3. 1.10 Check of Document Sensor Rear (for New Scanner)
7. 3. 2 Countermeasures – scanner image quality
7. 3. 2. 1 Completely black
7. 3. 2. 2 Vertical black lines
7. 3. 2. 3 Vertical white lines
7. 3. 2. 4 Some image is lost at the boundary of Image Blocks
7. 3. 2. 5 Vertical image gap between Image Blocks
7. 3. 2. 6 Image quality is not good
7. 3. 2. 7 Density is different between left and right
7. 4 Touch Screen Calibration
7. 5 Internal Counter Error
Chapter 8. SERVICE MODE/UTILITY
8. 1 General Information of Service Mode
8. 2 IPS Service Software Overview
8. 2. 1 Launching IPS Service Software
8. 2. 2 Closing IPS Service Software
8. 2. 3 Log In screen
8. 2. 4 Service Mode Home
8. 2. 5 Serial Port Setting
8. 3 Signal Status Mode
8. 3. 1 Monitoring Signal Status
8. 3. 2 Input / Output Signal List
8. 4 Information Mode
8. 4. 1 Monitoring Analog Data
8. 4. 2 List of Analog Data Monitor
8. 4. 3 Browsing Jam History
8. 4. 4 Browsing Error History
8. 5 Operation Check Mode
8. 5. 1 Checking Device Operation
8. 5. 2 Device List
8. 6 Adjustment Mode
8. 6. 1 Changing Setting Value
8. 6. 2 Setting Item List
8. 6. 3 Setting Item Explanation
000, 001 Leading Registration
002, 003 Trailing Margin
004 Side Margin (Left & Right)
005, 006 Side Registration
008 to 010 LED Strobe Time for Main Pixel
011 to 013 LED Strobe Time for IST (Supplemental Pixel)
014, 015 Vertical Alignment of LED Block
016 Cut Length 1 (length information provided)
017 Cut Length 2 (length information not provided)
018 Cut Length 3 (Compensation of the length of a long print)
019 Leading Margin
022 to 027 Developer Bias
028 Developer Bias compensation – 1st Drum revolution
029 to 034 Transfer Voltage
035 Separation Corona ON Timing
037 Transfer Corona ON Timing
045 Fuser Temperature to start idling
046 Warm Sleep – Fuser Temperature
048, 049 Fuser Temperature Control Range
050 Reaction Time of Toner Supply Motor
051 Toner Supply Motor ON Time
052 Dot Enhancement Level (Dither)
055 Metric or Inch
056 Language
059 Counter Unit
060 Maximum Length
063, 064 Cut Length 5 & 6
(Length Compensation for Tracing Paper / Film)
065 Drum Reverse Time
310 to 315 Main Motor Speed
508 to 510 Transfer Voltage applied at 100mm from trailing edge
511 to 513 Transfer Voltage applied at 70mm from trailing edge
613 to 616 Judgment Value for Additional Cut Length
for Non-standard Size Prints
617 to 620 Additional Cut Length for Non-standard Size Prints
621 Toner Supply Roller Bias
622 Regulation Bias
624 Density Sensor Analog Voltage
625 to 630 Print – Fuser Temperature (12″/11″/A3) 8-69
631 to 636 Print – Fuser Temperature (18″/17″/15″/A2) 8-69
637 to 642 Print – Fuser Temperature (24″/22″/A1) 8-70
643 to 648 Print – Fuser Temperature (36″/34″/30″/A0/B1) 649 Density Sensor Output Monitor
652 Density Compensation ON/OFF
653 Target Density
654 Toner Patch Adjustment
655 Density Measure Interval
660 to 665 Ready – Fuser Temperature
738 Standby – Fuser Temperature
749 Tracing Mode
751 Disable HV Error Detection Mode
753 Counter Setting
754 Total Increment of Developer Bias Adjustment
755 Developer Bias Increment for Adjustment Level 1 and after
756, 757 Developer Bias Limit
758 Total Increment of Regulation Bias Adjustment
759 Regulation Bias Increment for Adjustment Level 2 and after
760, 761 Regulation Bias Limit
762 to 767 Developer Reference Bias
768 Motor Setting
769 Wait Time of Media Feed Start
770, 771 Additional Toner Supply Time
772, 773 Horizontal Alignment of LED Head Block
774 to 777 Dot Light Level on Border Pixel
778, 779 Strobe Time Adjustment on Border Pixel
781 Trailing Margin (Paper Tray)
782 Side Registration (Paper Tray)
783 Forced Initial Cut Before Print (Cut Length)
784, 785 Limit Temperature of LED Stitch Compensation
787 Transfer Corona ON Timing Compensation (Paper Tray)
788 Transfer Corona OFF Timing (Paper Tray)
789 to 800 Transfer Corona OFF Timing (Roll, Cut Sheet)
801 to 812 Separation Corona OFF Timing (Roll, Cut Sheet)
813 Encoder Type
814 to 867 Cut Length Compensation (Special Size)
868 to 870 Leading Registration (Paper Tray)
871 to 873 Paper Tray Motor Speed
874 to 885 Transfer Corona OFF Timing (Bypass)
886 to 897 Separation Corona OFF Timing (Bypass)
8. 6. 4 Creating Backup
8. 6. 5 Restoring Configuration from Backup
8. 7 Running Mode (Factory Use Only)
8. 8 Jam/Error Mask Mode
8. 8. 1 Mask List
8. 8. 2 Masking Jam
8. 8. 3 Masking Error
8. 9 Test Print Mode
8. 9. 1 Making Test Print
8. 9. 2 Built-in Test Pattern
8. 10 Factory Adjustment Mode (Factory Use Only)
8. 11 Special Operation Mode
8.11.1 Special Operation List
8.11.2 Clearing Fuser Error, Jam/Error History
8.11.3 Reset of Bias Adjustment by Density Compensation Process
8.11.4 Toner Supply Mode
8. 12 Send Firmware Mode
8.12.1 Sending Firmware to Printer
8.12.2 In Case of Transmission Failure
8. 13 Scanner Utility (for Old Scanner)
8.13. 1 Installation
8.13. 1. 1 Installing USB Driver
8.13. 1. 2 Installing Scanner Utility
8.13. 2 Starting Scanner Utility
8.13. 3 Checking Scanner Information
8.13. 3. 1 Displaying Scanner Information
8.13. 3. 2 File Check
8.13. 4 Scanner Adjustment Procedure
8.13. 4. 1 Shading (Calibration)
8.13. 4. 2 Feed Distance (1:1)
8.13. 4. 3 Position (Stitching)
8.13. 5 Updating Scanner Firmware
8.13. 6 Registering S/N to Scanner Main Board
8.13. 7 Scanner Assembly Sleep
8. 14 K129 Diag (for New Scanner)
8.14. 1 K129 Diag Overview
8. 14. 1. 1 K129 Diag System Requirements
8. 14. 1. 2 K129 Diag Tree Diagram of Screen Hierarchy
8.14. 2 Starting K129 Diag
8.14. 3 Version
8.14. 4 Backup Data
8.14. 4. 1 Changing Backup Data
8.14. 4. 2 Saving the Current Backup Data
8.14. 4. 3 Editing Backup Data File
8.14. 4. 4 Restoring Backup Data
8.14. 4. 5 Backup Data List
0 Lead Regist
1 T Margin
5 ED Gamma Select
6 Sleep Time
9 Doc. Entry Time
11 Doc. Entry Speed
15 Stitch Setting1
20-34 Strobe
47-51 Luminance
52-55 CIS Main
56-59 CIS Sub
8.14. 4. 6 Saving Shading Data
8.14. 4. 7 Restoring Shading Data
8.14. 5 Update
8.14.5. 1 Sending Firmware to Scanner
8.14. 6 Motion
8.14.6. 1 Shading
8.14.6. 2 Stitching
8.14.6. 3 Black Brightness Correct
8.14.6. 4 Other menu on Adjustment
8.14.6. 5 Operation Check
8.14. 7 Input Check
8.14.7. 1 Getting Input Signal
8.14.7. 2 Signal List
8.14.8 Error Check
8.14.8. 1 Getting Error Status
8.14.8. 2 Error List
8.14.9 Counter
8.14.10 Reset
8.14.11 Serial Manager
8.14.11. 1 Serial Manager System Requirements
8.14.11. 2 Starting Serial Manager
8.14.11. 3 Registering S/N to Main Board
8. 15 Confirmation Wizard
8. 15. 1 LED Head Confirmation
8. 15. 2 Cut Length Confirmation
8. 15. 3 Image Position Confirmation
8. 15. 4 Media Feed Sensor Check
8. 15. 5 Developer Replacement Procedure
8. 15. 6 Paper Tray Installation / Check
Chapter 9. APPENDIX
Chapter 10. SETUP PROCEDURE
1. Paper Tray Kit 1
2. Dehumidify Kit
3. Service Kit
-1. Service Kit A
-2. Service Kit B
-3. Service Kit C
Number of pages: 736.