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Panasonic KX-P7100 10.10. Registration & Paper Top Detection Sensor Board, 10.11. Paper Exit / ADU Paper Jam Sensor Board, 10.12. Indicator Board

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10.10. Registration & Paper Top Detection Sensor Board

All resistor values are in OHMs.

Ref. No. Part No. Part Name & Description

R401/R404 ERDS2TJ181T Resistor / 180 (1/4W)

PI402/PI405 LTH301-07P1M Photo-interrupter

CN401 05FE-ST-VK-N Connector

1 PJUP1055Z-A Bare PCB

10.11. Paper Exit / ADU Paper Jam Sensor Board

Resistor values is in OHMs.

Ref. No. Part No. Part Name & Description

R405 ERDS2TJ181T Resistor / 180 (1/4W)

PI406 LTH301-07P1M Photo-interrupter

CN402 04FE-ST-VK-N Connector

1 PJUP1055Z-B Bare PCB

10.12. Indicator Board

All resistor values are in OHMs.

Ref. No. Part No. Part Name & Description

R406-R408 ERDS2TJ181T Resistor / 180 (1/4W)

D403 LTL4251N- 081 LED (Yellow)

D404 LTL4221N- 081 LED (Red)

D405 LTL4231N- 081 LED (Green)

SW401 SPN-02-5.0 Switch

CN406 06FE-ST-VK-N Connector

147

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.