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Panasonic KX-P7105, KX-P7110 Note: Motor Current will be cut off in case of OFF condition above.

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Motor Driver True Table

IN1or4 IN2or3 OUT1or4 OUT2or3

L L OFF OFF

L H L H

H L H L

H H OFF OFF

Note:

Motor Current will be cut off in case of “OFF” condition above.

Motor Driver True Table for Current Chopping Level

I0 I1 Current ratio

L L 100%

L H 33%

Motor Drive Mode

Mode Speed Current ratio

1st Hold for rotating Stop 33%

Warm Up Full 100%

Printing (Plain Paper / Transparency) Full 100%

Printing (Other Media) Half 100%

Manual Feed (Catching a Paper) Full 100%

If printing Data is more than approx. 2.5MB Half 100%

Last Hold after rotating Stop 100%

Stand by / Ready / Sleep / Error Stop OFF

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.