Panasonic KX-P7105, KX-P7110 - page 177

Ref. No. Part No. Part Name & Description

h1 PJDFB0122Z Fuser Drive Shaft

h2 PJRTS10Z Thermistor

h3 PJZCP7100M Heat Roller Holder Assembly

h4 PJMDB0019Z Fuser Earth

h5 PJZC3P7100M Side Fuser Cover Assembly

h6 PJDGB0023Z Fuser Gear Z24

h7 PJDGB0024Z Fuser Gear Z21

h8 PJDGB0022Z Lower Exit Roller Gear

h9 PJZR3P7100M Lower Exit Roller Assembly (black roller)

h10 PJDRB0017Z Pinch Roller

h11 PJDSB0018Z Pinch Roller Spring (A)

h12 PJJRML0009Z Fuser Cable

h13 PJSE180003Z Thermostat

h14 PJXE10M16901 Thermal Fuse

h15 PJMDB0018Z Lead Wire Plate

h16 PJAH06009Z Heat Lamp ( Halogen Lamp )

h17 PJDJB0008Z Heat Roller Bushing ( L )

h18 PJDJB0009Z Heat Roller Bushing ( R )

h19 PJDRB0011Z Heat Roller

h20 PJDGB0021Z Heat Roller Gear

h21 PJDRB0012Z Pressure Roller

h22 PJDJB0010Z Pressure Roller Bushing

h23 PJDSB0014Z Pressure Roller Spring

h24 PJHRB0018Z Fuser Unit Base

h25 PJHRB0022Z Paper Exit/ADU Paper Jam Sensor Lever

h26 PJDSB0015Z Paper Exit/ADU Paper Jam Sensor Lever Spring

h27 PJMDB0017Z Lead Wire Plate

h28 XTW3+12S Screw 3 x 12 mm

h29 XTW3+8S Screw 3 x 8 mm

h30 XYC3+FF8C Screw 3 x 8 mm

h31 XNG3B Nut

h32 XYN3+F8 Screw 3 x 8 mm

h33 XWC3B Star Washer

h34 XTW3+12SFZ Screw 3 x 12 mm (black)

h35 PJZR1P7100M Cleaning Roller Assembly

h36 PJJTCF006Z Cable

177

KX-P7105 / KX-P7110

Contents

Main Page CONTENTS Page Page Page Page Page Page Page 1.1.4.2. Margins and Print Area Page Page Page Page Page Page 1.7. Print Process Page 1.8. Paper Feed 1.9. Laser Scan Unit ( Exposure ) 1.9.1. Operation Theory 1.9.2. Laser Beam Page 1.10. Fuser Unit 1.11. Paper Ejection and Paper Switchback 2 Installation, Setup, and Repacking 2.1. Installation Requirements 2.1.1. Environment 2.1.2. Ventilation Requirements 2.2. Setup Page Page 2.3. Repacking Page Page Page Page 3.2. Right, Left and Top Covers Page 3.5. High Voltage Board and Power Supply Unit 3.5.1. High Voltage Board 3.5.2. Power Supply Unit 3.5.3. Power Supply Unit Disassembly Page 3.7.2. Toner Empty Sensor Board 3.8. 2nd Feeder I / F Board and Main Control Board 3.8.1. 2nd Feeder I / F Board and Main Control Board 3.8.2. Main Control Board Disassembly 3.9. Fuser Drive Gear 3.10. Fan Motor 3.11. Gear Support Bracket, Relay Board ( A ), Motor, Drive Gear Unit and Paper Empty Sensor Board 3.11.1. Gear Support Bracket 3.11.2. Relay Board ( A ), Drive Gear Unit and Motor Page 3.12. Upper Exit Roller Holder 3.12.1. Upper Exit Roller Holder 3.12.1.1. Upper Exit Roller Holder Disassembly 3.13. Fuser Unit 3.13.1. Fuser Unit Disassembly 3.13.2. Heat Lamp 3.13.3. Heat Roller 3.13.4. Thermostat Page 3.14. Pickup, Paper Feed, Registration and Transfer Rollers 3.14.1. Pickup Roller and Pickup Solenoid Page 3.15. Transfer Roller Assembly 3.16. Auto Duplex Unit, ADU Registration Roller and ADU Pinch Roller 3.16.1. Auto Duplex Unit ( ADU ) 3.16.1.1. Auto Duplex Pinch and Registration Rollers 3.16.1.2. Auto Duplex Disassembly Page Page 3.18. Paper Empty Sensor Lever 4 Electronic Circuit Description and Diagrams 4.1. Block Diagram CN9 USB I/F CN4 M Power Supply Unit Fuser Unit Board Main Control Board Engine Control High Voltage Supply Unit 4.2. Connection Diagram KX-P7105 / KX-P7110 Drum Unit Transfer Roller Transfer I/F CN FAN Page Page Page Page Note: Motor Current will be cut off in case of OFF condition above. 4.4.5. Laser Scanning Unit Control Circuit 4.4.6. Fuser Temperature Control Circuit 4.4.7. High Voltage Control Circuit Page 4.4.9. Safety Interlock SW Page Page Page Page 4.4.11.5. Toner Empty Sensor Circuit 4.4.12. Fan Control Circuit 4.4.13. 2nd Feeder I / F Circuit Page 4.5. Main Control Board 4.5.1. Data Flow Page Page 4.5.5. CPU ASIC ( IC1 ) overview 4.5.5.1. CPU 4.5.5.2. SDRAM I/F 4.5.5.3. ROM I/F Page 4.5.5.5. Internal Engine I/F (Main Board - Engine Board) The communication I/F signal between Main Board and Engine Board in Main Board is as follows. Page Page 4.5.5.8. USB I/F 4.5.5.9. PCI I/F 4.5.5.10. Network I/F ( only for KX-P7110 ) 5 Schematic Diagram Page 5.1. Main Control Board 1/9 KX-P7105/KX-P7110 1 CPU CIRCUIT BLOCK 2 2/9 (OR MASK ROM) 2 ROM BLOCK OPTION ROM CN 3/9 HGFEDCB sd_ras sd_cs[1-0] sd_d[15-0] 4/9 <IC6> 21 KX-P7105/KX-P7110 Not Used 5/9 KX-P7105/KX-P7110 IEEE1284 CIRCUIT BLOCK 1 2 6/9 ENGINE I/F, EEPROM, PANEL I/F CIRCUIT BLOCK KX-P7105/KX-P7110 A EEPROM 7/9 CPU ICE & JTAG CIRCUIT BLOCK ICE CONNECTOR Not Used Power Regulator Circuit 8/9 CN9 9/9 KX-P7105/KX-P7110 1 D- USB CIRCUIT BLOCK Page 5.2. Engine Control Board 1/3 A CBA GFED HGFEDCB (Engine Control Board) 2/3 HGFEDCB CBA GFED (Engine Control Board) KX-P7105/KX-P7110 3/3 A Parts Side C107 C106 Page 5.3. Sensors, Indicator and Relay Boards 1/1 (Sensors, Indicator and Relay Boards) Page 5.4. Paper Empty Sensor Board and 2nd Feeder I / F Board 1/1 180 R450 PJUPB0008Z_c 2 3 Page 6 Explanation of Connectors 6.1. Main Control Board 6.1.1. CN1 ( Optional PostScript Upgrade Kit I / F Connector ) CN1 (Optional PostScript Upgrade Kit I/F Connector) 6.1.2. CN2 ( Optional RAM Connector ) CN2 (Optional RAM Connector) CN2 6.1.3. CN3 ( Network Connector ) CN3 (Network Connector) 6.1.4. CN4 ( IEEE 1284 I / F Connector ) CN4 (IEEE 1284 I/F Connector) 6.1.5. CN5 ( Engine I / F Connector ) CN5 (Engine I/F Connector) 6.1.6. CN6 ( Front Panel Connector ) CN6 (Front Panel Connector) 6.1.7. CN9 ( USB I / F Connector ) CN9 (USB I/F Connector) 6.2. Engine Control Board 6.2.1. CN001 ( Video Interface ) CN001 (Video Interface) 6.2.2. CN002 ( LSU Control Signals ) CN003 (OPC Drum Unit Interlock Switch) CN002 (LSU Control Signals) 6.2.3. CN003 ( OPC Drum Unit Interlock SW ) 2 3 +5V 5VGND +5V (LD) CN005 (PSU-MAIN Connector) IN Thermistor OUT TH --- 2+5V CN011 (Pickup Solenoid) CN010 (Polygon Motor) --- ------ OUT +24VGND Pick Up Solenoid Control CN014 (REG-TOP Sensor) 6.2.15. CN015 ( EXIT Sensor ) CN015 (EXIT Sensor) 6.2.16. CN017 ( MAIN Motor ) CN017 (Main Motor) CN019 (Paper Empty Sensor) 6.3. Registration & Paper Top Sensor Board CN402 (EXIT Sensor) 6.3.1. CN401 ( REG-TOP Sensor ) CN401 (REG-TOP Sensor) CN407 (Fuser GND) 6.7. Paper Empty Sensor Board 6.7.1. CN450 ( Paper Empty Sensor ) CN450 (Paper Empty Sensor) 6.8. Toner Empty Sensor Board CN452 (to Engine Control Board CN004) 6.9.1. CN452 ( to Engine Control Board CN004 ) 6.9.2. CN453 ( to 2nd Feeder ) CN453 (to 2nd Feeder) 7 Component Reference Guide 7.1. Main Control Board IC1 (Main Control CPU) 7.1.1. IC1 ( Main Control CPU ) IC1 IC1 7.1.2. IC2 ( Reset IC ) IC2 (Reset IC) Pin No. Symbol In/Out Function 1 2 3 4 GND VDD OUT Cd - - Out In Ground +2.5V Reset Pulse Output Reset Time Set 7.1.3. IC3 ( Flash / Mask ROM ) IC3 (Flash/Mask ROM) 7.1.4. IC5 ( RAM ) IC5 (RAM) 7.1.5. IC6 ( LAN IC ) IC6 (LAN IC) IC6 7.1.6. IC7 ( EEPROM ) - IC7 (EEPROM) Pin No. Symbol In/Out Function 1 2 3 4 5 6 7 8 A0 A1 A2 VSS SDA SCL WP VCC - In/Out 7.1.8. IC12 ( Regulator ) 7.2. Engine Control Board 7.2.1. IC001 ( ASIC ) 7.2.2. IC002 ( Comparators ) 7.2.3. IC003 ( Reset IC ) 7.2.4. IC004 ( Engine Control CPU ) 7.2.5. IC005 ( EEPROM ) IC005 (EEPROM) Pin No. Symbol In/Out Function 1 2 3 4 5 6 7 8 CS SK DI DO GND TEST NC VCC Out 7.2.6. IC006 ( Motor Drive IC ) 7.2.7. IC007 ( Inverters ) 8 Preventative Maintenance 8.1. General 8.2. Recommended Tools 8.3. Recommended Cleaning 8.4. Maintenance Tables 8.4.1. User Maintenance 8.4.2. Service Maintenance 8.4.2.1. Maintenance Cycle 8.4.2.2. Lubrication 8.4.2.3. Recommended Lubrication 8.4.3. Counter Reset 9 Troubleshooting 9.1. Self-Diagnostic Indicators Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 10.2.1. Engine Control Board Connector 10.2.2. Pickup Roller and Paper Feed Roller 10.2.3. Motor and Drive Gear Unit 10.3. Left Side Parts ( Power Supply Unit and High Voltage Board ) 10.4. Rear and Top Side Parts Page Page Page Page 10.6. Mechanical Base 10.7. Media Tray ( Paper Cassette ) 10.8. Packing Page Page 10.9.1. ICs 10.9.2. Capacitors All capacitor values are in microfarads unless otherwise noted. 10.9.3. Resistors 10.9.4. Transistor and Diodes 10.9.5. Connectors 10.9.6. Others Page 10.10.1. ICs 10.10.2. Capacitors All capacitor values are in microfarads unless otherwise noted. 10.10.3. Resistors 10.10.4. Transistor and Diodes 10.10.5. Connectors 10.10.6. Others 10.11. Registration & Paper Top Detection Sensor Board 10.12. Paper Exit / ADU Paper Jam Sensor Board Resistor values is in OHMs. 10.13. Indicator Board 10.14. Toner Empty Sensor Board 10.15. Relay Board (A) Resistor value is in OHMs. 10.16. Relay Board (B) Resistor values are in OHMs.