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Panasonic KX-P7100 10.2.1. Main Controller Board Connector

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Ref. No. Part No. Part Name & Description Remarks

b12 PJDGB0052Z ADU Drive Gear

b13 PJDGB0070Z Registration Drive Gear

b14 PJDGB0072Z Idle Gear Z19

b15 PJDGB0071Z Double Teeth Gear

b16 PJDGB0073Z Idle Gear Z14

b17 PJDGB0028Z Ratchet Gear

b18 PJDGB0043Z Registration Arm Gear

b19 PJDGB0029Z Planetary Gear Z18

b20 PJDGB0042Z Registration Internal Gear

b21 XYN3+F5 Screw 3 x 5 mm

b22 XTW3+6L Screw 3 x 6 mm

b23 XTW3+8S Screw 3 x 8 mm

b24 XSN3+6 Screw 3 x 6 mm

b25 PJWP3P7100M Toner Empty Sensor Board Complete RTL

b26 PJNW4111Z Plastic Ring

b27 PJNW525Z Plastic Ring

b28 PJMDB0156Z Clamp

b29 PJWP4P7100M Indicator Board RTL

b30 K5AT281613 Core

b31 PJWP5P7100M Relay Board (A) Complete RTL

b32 XYC3+FF8C Screw 3 x 8 mm

10.2.1. Main Controller Board Connector

Ref. No. Part No. Part Name & Description

c1 PJJRML0005Y Cable (from LSU)

c2 PJJEC06002Z Flat Cable (from Indicator Board)

c3 PJJRML0006Z Cable (from Polygon Motor)

c4 PJJRML0001Y Cable (from Power Supply Unit)

c5 PJWWP7100M Flat Cable (from High Voltage Board)

c6 PJJRML0011Z Cable (from Toner Empty Sensor Board)

c7 PJWW1P7100M Flat Cable (from Reg/Top Sensor and Exit Sensor Board)

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KX-P7100

Contents

Main Page CONTENTS 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 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 3.6. Indicator Board and Toner Empty Sensor Board 3.7. Main Controller Board and Fuser Drive Gear 3.7.1. Main Controll er Board 3.7.2. Fuser Drive Gear 3.8. Fan Motor 3.9. Gear Support Bracket, Motor and Drive Gear Unit 3.9.1. Gear Support Bracket 3.9.2. Drive Gear Unit and Motor Page 3.10. Upper Exit Roller Holder 3.10.1. Upper Exit Roller Holder 3.10.1.1. Upper Exit Roller Holder Disassembly 3.11. Fuser Unit 3.11.1. Fuser Unit Disassembly 3.11.2. Heat Lamp 3.11.3. Heat Roller 3.11.4. Thermostat Page 3.12. Pickup, Paper Feed, Registration and Transfer Rollers 3.12.1. Pickup Roller and Pickup Solenoid Page Page 3.14. Auto Duplex Unit, ADU Registration Roller and ADU Pinch Roller 3.14.1. Auto Duplex Unit ( ADU ) 3.14.1.1. Auto Duplex Pinch and Registration Rollers Page Page Page 4 Electronic Circuit Description and Diagrams KX-P7100 4.1. Block Diagram IC4 IC12 4.2. Connection Diagram IEEE1284 Model No.KX-P7100 Parallel USB Connection Diagram Page 4.4. Main Control Board 4.4.1. Main Control CPU 4.4.2. GDI ASIC ( IC3 ) Page 4.4.5. ASIC ( KME ) Page Page Page Note: Motor Current will be cut off in case of OFF condition above. 4.4.9. Laser Scannin g Unit Control Circuit 4.4.10. Fuser Temperature Control Circuit 4.4.11. High Voltage Control Circuit Page 4.4.13. Safety Interlock SW Page Page Page Page 4.4.16. Fan Control Circuit 4.4.17. Internal Engine I / F (Control CPU - Engine CPU) Page Page 5 Schematic Diagram 1/6 KX-P7100 5.1. Main Control Board KX-P7100 2/6 KX-P7100 3/6 3.3V KX-P7100 4/6 KX-P7100 5/6 GND<+24V> FG POWER<+5V> POWER<+24V> POWER<+24VIR>POWER<+5VLD> POWER<+5VSP> GND<+5V> KX-P7100 6/6 5.2. Sensors, Indicator and Relay Boards 1/1 (Sensors, Indicator and Relay Boards) Page 6 Explanation of Connectors 6.1. Main Board CN2 (OPC Drum Unit Interlock Switch) CN1 (to Front Panel) 6.1.1. CN1 ( to Front Panel ) CN4 (USB Interface Connector) 6.1.5. CN6 ( Centronics Parallel I/F) CN6 (Centronics Parallel I/F) 6.1.6. CN7 ( PSU-MAIN Connec tor ) CN7 (PSU-MAIN Connector) 6.1.7. CN8 ( Door + 24V Interlock SW ) CN9 (Thermistor) CN8 (Door +24V Interlock SW) 6.1.8. CN9 ( THERMISTOR ) CN11 (Polygon Motor) --- ------ OUT +24VGND Switchback Solenoid Control --- CN16 (EXIT Sensor) GND IN +5VGND Toner Empty Sensor 6.1.16. CN18 ( MAINMotor ) CN18 (Main Motor) CN401 (REG-TOP Sensor) 6.3. Paper Exit / ADU Paper Jam Sensor Board 6.3.1. CN402 ( EXIT Sensor ) Pin No. Signal Name Description Direction 1 2 3 4 nEXITSEN 5VGND 5VGND +5VSP CN451 (Toner Empty Sensor) 7 Component Reference Guide 7.1. IC1 ( Main Control CPU ) 7.2. IC2 ( Inverters ) 7.3. IC3 ( GDI ASIC ) 7.4. IC5 ( DRAM ) 7.5. IC6 ( ASIC ) 7.6. IC8 ( USB Chip ) 7.7. IC9 ( Comparators ) Out IC9 (Comparators) Pin No. Symbol In/Out Function 1 2 3 4 5 6 7 8 A OUTPUT A -INPUT A +INPUT 7.9. IC11 ( Engine Control CPU ) 7.10. IC12 ( EEPROM ) IC12 (EEPROM) Pin No. Symbol In/Out Function 1 2 3 4 5 6 7 8 CS SK DI DO TEST NC VCC 7.11. IC14 ( Motor driver IC ) 7.12. IC15 ( Inverters ) 8 Preventative Maintenance 8.1. General 8.2. Recommended Tools 8.3. Recommended Cleaning 8.4. Maintenance Tables 8.4.1. User Mainten ance Page 8.4.2. Service Mainten ance 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 10.2. Right Side Parts 10.2.1. Main Controller Board Connector 10.2.2. Pickup Roller and Paper Feed Roller 10.2.3. Motor and DriveGear 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 10.10. Registration & Paper Top Detection Sensor Board 10.11. Paper Exit / ADU Paper Jam Sensor Board Resistor values is in OHMs. 10.12. Indicator Board 10.13. Toner Empty Sensor Board 10.14. Relay Board (A) Resistor value is in OHMs. 10.15. Relay Board (B) Resistor values are in OHMs.