Description
Service Manual Table of Contents
CHAPTER 1 SPECIFICATIONS
1. SPECIFICATIONS LIST
1.1 General
1.2 Network Connectivity
1.3 Service Information
1.4 Supplies
1.5 Paper
1.5.1 Paper handling
1.5.2 Media specifications
1.5.3 Type and size of paper
1.6 Printable & Scannable Area
1.7 Telephone
1.8 FAX (Only for the models with FAX function)
1.9 Copy
1.10 Scanner
1.11 USB Direct Interface
CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING
1. INTRODUCTION
1.1 Precautions
1.2 Initial Check
2. OVERVIEW
2.1 Cross-section Drawing
2.1.1 Printer part
2.1.2 ADF unit/Document scanner unit
2.2 Paper Feeding
2.2.1 Printer part
2.2.2 Scanning part
2.3 Operation of Each Part
2.4 Block Diagram
2.5 Components
3. ERROR INDICATIONS
3.1 Error Codes
3.2 Error Message
3.3 Communications Error Code
4. TROUBLESHOOTING
4.1 Error Cause and Remedy
4.2 Paper Feeding Problems
4.2.1 No paper feeding from paper tray
4.2.2 No paper feeding from the manual feed slot
4.2.3 Double feeding
4.2.4 Wrinkles on paper
4.2.5 Paper inclines diagonally
4.2.6 Curl of paper
4.2.7 Unable to perform 2-sided printing
4.2.8 Paper jam
4.3 Image Defect Troubleshooting
4.3.1 Image defect examples
4.3.2 Troubleshooting image defect
4.4 Software Setting Problems
4.4.1 Cannot print data
4.5 Network Problems
4.5.1 Cannot make a print through network connection
4.6 Troubleshooting of the Control Panel
4.6.1 Nothing is displayed on the LCD.
4.6.2 Unable to perform panel operation
4.6.3 Lamp malfunction
4.6.4 The touch panel does not work
4.7 Troubleshooting of the Toner Cartridge and Drum Unit
4.7.1 New toner not detected
4.7.2 Cartridge error (Toner cartridge not detected)
4.7.3 Toner low (Even though a new toner cartridge is set, Toner low warning remains)
4.7.4 Drum error
4.7.5 Drum unit replacement (Even though drum counter is reset, “Replace Drum” warning remains.)
4.8 Troubleshooting of the Fuser Unit
4.8.1 Fuser unit failure
4.9 Troubleshooting of the LED ASSY
4.9.1 LED ASSY failure
4.10 Troubleshooting on the PCB
4.10.1 Main PCB failure
4.10.2 Full memory
4.10.3 Print overrun
4.10.4 High-voltage power supply PCB failure
4.10.5 Low-voltage power supply PCB failure
4.10.6 Modem PCB failure
4.11 Document Feeding Problems
4.11.1 No feeding
4.11.2 Double feeding
4.11.3 Paper jam
4.11.4 Wrinkles
4.11.5 Document size cannot be correctly detected
4.12 Scanning Image Defect Troubleshooting
4.12.1 Image defect examples
4.12.2 Troubleshooting image defect
4.13 Troubleshooting of FAX Functions
4.13.1 FAX can’t send it
4.13.2 FAX cannot be received.
4.13.3 No bell ring
4.13.4 A communication error occurs
4.14 Others Problems
4.14.1 The machine is not turned ON
4.14.2 Main fan not rotate
4.14.3 Main motor failure
4.14.4 Joint cover ASSY open
4.14.5 Back cover open
4.14.6 Unusual noise generated from the machine
4.14.7 Memory related failure
4.14.8 Printing related failure
4.14.9 The USB interface does not work
CHAPTER 3 DISASSEMBLY AND ASSEMBLY
1. SAFETY PRECAUTIONS
2. PACKING
3. SCREW CATALOGUE
4. SCREW TORQUE LIST
5. LUBRICATION
6. HARNESS ROUTING
7. DISASSEMBLY FLOW
8. DISASSEMBLY PROCEDURE
8.1 Lift Gear 46/Gear Z23M10Z14M75/Gear Z19M10
8.2 Cord Hook
8.3 Back Cover ASSY
8.4 Fuser Cover ASSY
8.5 Fuser Unit
8.6 Registration Mark L PCB ASSY/Registration Mark R PCB ASSY
8.7 Side Cover L
8.8 Side Cover R
8.9 Manual Feed Slot Cover ASSY
8.10 Support Flap
8.11 Joint Cover Side L
8.12 Pull Arm L/Pull Arm R/Pull Arm Spring
8.13 Flat Cable Holder Cover
8.14 Hinge ASSY L/ADF Unit
8.15 Hinge R/Hinge R Support
8.16 Flat Cable Holder ASSY
8.17 Hinge Arm R
8.18 ADF Document Output Support Flap
8.19 ADF Document Support
8.20 ADF Cover ASSY
8.21 Gear Cover
8.22 Document Separate Roller ASSY
8.23 ADF Separation Pad Spring/ADF Separation Pad Holder ASSY
8.24 Second Side CIS Unit/Second Side CIS Flat Cable (Duplex Scanning Models Only)
8.25 Paper Stack Lever
8.26 ADF Cover/Document Detection Sensor PCB ASSY
8.27 First Side Document Scanning Position Sensor PCB ASSY/Second Side Document Scanning Position Sensor PCB ASSY (Duplex Scanning Models Only)
8.28 Eject Film
8.29 Document Feed Roller ASSY2
8.30 ADF Motor
8.31 Document Cover ASSY
8.32 Pull Arm Guide/Lock Claw
8.33 Flat Cable Cover/Holder Hook/LED ASSY
8.34 Z Spring L
8.35 Joint Cover ASSY
8.36 Modem PCB ASSY/Modem Flat Cable
8.37 Paper Stack Lever
8.38 Joint Cover Side R/Speaker Unit
8.39 Joint Cover Back
8.40 Control Panel ASSY/Document Scanner Unit
8.41 Panel Control PCB ASSY
8.42 Touch Panel ASSY/LCD
8.43 First Side CIS Unit/First Side CIS Flat Cable
8.44 LED Control Flat Cable
8.45 LED Flat Cable
8.46 LED Control PCB ASSY
8.47 Back Cover Lower
8.48 Duplex Tray (2-sided Printing Model Only)
8.49 External Temperature/Humidity Sensor PCB ASSY
8.50 Wireless LAN Cap/Wireless LAN PCB ASSY
8.51 Main PCB ASSY
8.52 Develop Release Clutch
8.53 Process Drive Unit
8.54 Fuser Drive Gear Z25
8.55 Registration Clutch
8.56 Paper Feed Clutch
8.57 Main Drive Unit
8.58 Roller Holder ASSY
8.59 USB Host PCB ASSY/Inner Front Cover
8.60 Paper Feed Unit
8.61 Paper Eject ASSY
8.62 Back Cover Upper
8.63 Exit Roller Bushing/Eject Roller ASSY
8.64 Back Cover Sensor Harness ASSY
8.65 Eject Sensor PCB ASSY
8.66 High-voltage Power Supply PCB ASSY/HVPS Flat Cable
8.67 Main Fan
8.68 Develop Release Sensor PCB ASSY
8.69 Low-voltage Power Supply PCB ASSY
CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY
1.1 Installing the Firmware (Sub firmware, Panel firmware, Main Firmware)
1.1.1 Checking firmware version
1.1.2 Installing the firmware using USB flash memory (USB direct interface model only)
1.1.3 Installing the firmware using computer
1.2 Initialization of EEPROM of Main PCB ASSY (Function code 01)
1.3 Setting by Country (Function code 74)
1.4 Setting the Serial Number (Function code 80)
1.5 Restore Machine Information (Function code 41)
1.6 Motor Reset (Function code 57)
1.7 Continuous Adjustments of Density and Registration Sensor (Function code 73)
1.8 Acquisition of White Level Data (Function code 55)
1.9 Adjustment of Touch Panel (Function code 61)
2. IF YOU REPLACE THE REGISTRATION MARK L PCB ASSY AND REGISTRATION MARK R PCB ASSY
2.1 Continuous Adjustments of Density and Registration Sensor (Function code 73)
3. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY 4-8
3.1 Reset of Irregular Power Supply Detection Counter
4. IF YOU REPLACE THE PROCESS DRIVE UNIT
4.1 Motor Reset (Function code 57)
5. IF YOU REPLACE THE LED ASSY OR JOINT COVER ASSY
5.1 Continuous Adjustments of Density and Registration Sensor (Function code 73)
6. IF YOU REPLACE THE DOCUMENT SCANNER UNIT, ADF UNIT (DUPLEX SCANNING MODEL ONLY) OR CIS UNIT
6.1 Check of Main Firmware Version
6.2 Acquisition of White Level Data (Function code 55)
7. IF YOU REPLACE THE CONTROL PANEL ASSY OR TOUCH PANEL ASSY
7.1 Installing the Panel Firmware
7.1.1 Checking firmware version
7.1.2 Installing the firmware using USB flash memory (USB direct interface model only)
7.1.3 Installing the firmware using computer
7.2 Adjustment of Touch Panel (Function code 61)
7.3 Operation Check of LCD (Function code 12)
7.4 Operation Check of Control Panel Key (Function code 13)
8. IF YOU REPLACE THE FUSER UNIT/PF KIT 1
8.1 Counter Reset after Fuser Unit/PF Kit 1 Replacement (Function code 88)
CHAPTER 5 SERVICE FUNCTIONS
1. MAINTENANCE MODE
1.1 How to Enter the Maintenance Mode
1.2 How to Enter the End User-accessible Maintenance Mode
1.3 List of Maintenance-mode Functions
1.4 Detailed Description of Maintenance-mode Functions
1.4.1 EEPROM parameter initialization (Function code 01, 91)
1.4.2 Printout of scanning compensation data (Function code 05)
1.4.3 Placement of CIS unit in position for transportation (Function code 06)
1.4.4 ADF performance test (Function code 08)
1.4.5 Monochrome image quality test pattern (Function code 09)
1.4.6 Worker switch (WSW) setting and printout (Function code 10, 11)
1.4.7 Operational check of LCD (Function code 12)
1.4.8 Operational check of control panel key (Function code 13)
1.4.9 Software version check (Function code 25)
1.4.10 Operational check of sensors (Function code 32)
1.4.11 LAN connection status display (Function code 33)
1.4.12 Backup of machine information (Function code 41)
1.4.13 PC print function setting (Function code 43)
1.4.14 Changing return value of USB No./Switching Dither Pattern/Switching of ON/OFF of DirectPrint Color mode-Improve Gray Color/Switching of timing to execute Auto Registration/Adjusting left-end print start position on second side in duplex printing (2-sided printing model only) (Function code 45)
1.4.15 Set country/language (Function code 52)
1.4.16 Transfer of received fax data and log information (Function code 53)
1.4.17 Fine adjustment of scan positions (Function code 54)
1.4.18 Acquisition of white level data and setting of CIS scanning area (Function code 55)
1.4.19 Motor reset (Function code 57)
1.4.20 Adjustment of touch panel (Function code 61)
1.4.21 Adjustment of color registration (Adjustment of inter-color position alignment) (Function code 66)
1.4.22 Print test (Function code 67)
1.4.23 LED test pattern print (Function code 68)
1.4.24 Frame pattern print (One-sided) (Function code 69)
1.4.25 Frame pattern print (Two-sided) (Function code 70)
1.4.26 Color test pattern (Function code 71)
1.4.27 Sensitivity adjustment of density sensor (Function code 72)
1.4.28 Continuous adjustments of density and registration sensor (Function code 73)
1.4.29 Setting by country (Function code 74)
1.4.30 Printout of maintenance information (Function code 77)
1.4.31 Operational check of fans (Function code 78)
1.4.32 Display of device log information (Function code 80)
1.4.33 Display of device error codes (Function code 82)
1.4.34 Developing bias voltage correction (Function code 83)
1.4.35 Sending of communication log information to telephone line (Function code 87)
1.4.36 Counter reset after fuser unit/PF kit 1 replacement (Function code 88)
1.4.37 Exit from the maintenance mode (Function code 99)
2. OTHER SERVICE FUNCTIONS
2.1 Toner Manual Reset Function
2.2 Parts Life Reset Function (Drum unit/Belt unit)
2.3 Deletion of User Setting Information, etc
2.4 How to Recover from Errors of the Fuser Unit
2.5 Deep Sleep Function
2.6 ROM Version Display
CHAPTER 6 WIRING DIAGRAM
1. WIRING DIAGRAM
CHAPTER 7 PERIODICAL MAINTENANCE
1. PRECAUTIONS
2. PERIODICAL REPLACEMENT PARTS
2.1 Procedures to Replace Periodical Replacement Parts
2.1.1 PF Kit 1
APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETION OF USER SETTING INFORMATION, ETC.
APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER
Parts Manual Table of Contents
1. FRAME L & DRIVE UNIT
2. FRAME R UNIT
3. FRAME
4. LED JOINT COVER
5. PAPER FEEDER
6. DUPLEX
7. PAPER TRAY
8. FUSER UNIT
9. PAPER EJECT
10. COVERS & LABELS
11. DOCUMENT SCANNER
12. ADF
13. PANEL
14. PCB
15. ACCESSORIES
16. PRINTED MATERIALS
17. PACKING MATERIALS
18. PERIODICAL MAINTENANCE PARTS
