Engine Control Block Diagram, Fuser Unit | Panasonic KX-P7105

KX-P7105 / KX-P7110

4.1.2.Engine Control Block Diagram

Power Supply Unit

Heat Lamp

Fuser Unit

Thermister

Fuser Driver

Thermal

Fuse

Rectifier

+24V

High

Thermostat

Noise

Filter

+5V

+24V IR

Voltage

Thermistor

Toner Empty

nCHGCTL

Supply

Developer

DEV BIAS

nDBCH

Unit

Toner

Sensor

Board

Grid Voltage

nTRCTL

Box

Voltage Control

TECTL

Charger

OPC

Toner Empty

Circuit

TE_LED

Voltage

Front Door

nDB

Current

Drum

Sensor

Detector

Transfer Current

Interlock

nTR

Switch

TH

OPC Drum Unit

Main Control

Engine Control

TESEN

5V

24V

+5V

Board

Board

(GND) (GND)

+24V +24V IR

FAN

FANERR

FAN

HV Driver

Control Circuit

FANPWR

+24V IR

OPC Drum Unit

nFCTL

Interlock Switch

USB

nFSRCTL

Fuser Control Circuit

+5V

nVIDEO

nHSYNC

TH

TESEN

+5V IR

LSU

Parallel

FANERR

+24V IR

FANCTL

+24V IR

SNRCLK

nSNRCLK

DOPEN

IC004

SNRCTL

Polygon

nSNRCTL

Motor

nSNRLD

nSNRLD

IC002

CPU

I/F Circuit

for KX-P7110)

PUNIT

Ethernet

nCS

nHSYNC

LD

EEPCS

IC001

ASIC

Driver

IC005

SCK2

nVIDEO

EEPCLK

(Only

SO2

APC

nLDENB

EEPROM

EEPDO

SI2

Controller

nADJUST

2 k bit

EEPDI

+24V IR

ROM

X001

2ch

+5V

Stepping

SMA

IC006

16KB

Motor

SMnA

M

Controller

Bipoler

PPRDY

CPUCLK

SMB

Moter

RAM

SMnB

Driver

2nd

512 Byte

10_CTL

Feeder

11_CTL

+24V

(Option)

nPURGE,

nPRDY,nTOP,nSBSY,SXD

2nd

+5V

nPSAVE,

nPRINT,CCLK,nCBSY,CXD

nRST

SM1A

2nd

CLOCK_OP

Feeder

nSM1EN

nMOEN_OP

I/F

nPUCTL_OP

Feeder

nPUCTL_OP

nOPTION

I/F Circuit

nOPTION

Board

nPNON_OP

nPNON_OP

IC003

+5V

Recet IC

+24V

nKEY

PUCTL

Pick Driver

+24V

Pick Solenoid

READY

REGCTL

Regist Driver

ERROR

TONER

+24V

Regist Solenoid

nREGSEN

EXITCTL

Exit Driver

nTOPSEN

PNON

Switchback Solenoid

Indicator Board

Regist/Top Sensor Board

Exit Sensor

Paper Empty

Ready

Error

Toner/Process

Switch

Top

Registration

Board

Sensor Board

Sensor

Sensor

Exit Sensor

Paper Empty Sensor

nEXITSEN

55

Image 55

Panasonic KX-P7105, KX-P7110 manual Engine Control Block Diagram, Fuser Unit

KX-P7105, KX-P7110 specifications

The Panasonic KX-P7105 is a compact and efficient dot matrix printer designed for high-performance printing in both home and office environments. Known for its reliability and versatility, the KX-P7105 is especially favored for its ability to handle a variety of printing tasks, from simple documents to more complex forms.

One of the standout features of the KX-P7105 is its impressive printing speed. It can reach up to 550 characters per second, which makes it an ideal choice for businesses that require quick turnaround times for their printing needs. Additionally, with a resolution of 240 x 216 dpi, the printer produces clear and legible text, ensuring that prints are suitable for professional use.

The KX-P7105 is designed with convenience in mind, featuring a user-friendly interface that makes it easy to operate. It supports both continuous forms and cut sheets, allowing users to switch between different media types smoothly. This flexibility is complemented by the printer’s multi-part form capability, which can handle up to six-part forms effortlessly, making it ideal for printing invoices, shipping labels, and other official documents.

In terms of connectivity, the Panasonic KX-P7105 offers parallel and optional serial interfaces, allowing it to connect seamlessly with various devices such as computers and terminals. This connectivity ensures that users can integrate the printer into their existing workflows without any major disruptions.

Another significant characteristic of the KX-P7105 is its durability. Built with robust components, it is designed to withstand the rigors of daily use in demanding environments. The dot matrix technology also allows for long-lasting ribbons that provide extended printing output, which is an economical advantage for users.

The printer is also equipped with an automatic line feed function that enhances operational efficiency by automatically adjusting the paper feed according to the print job. This feature minimizes the chance of paper jams and improves the overall reliability of the printing process.

In summary, the Panasonic KX-P7105 stands out for its fast printing speeds, versatility in media handling, durable construction, and user-friendly operation. These characteristics make it an excellent choice for businesses and individuals seeking a dependable dot matrix printer that can accommodate a range of printing needs while delivering quality results.

Contents

KX-P7105 KX-P7110 KX-P7105 / KX-P7110 Contents KX-P7105 / KX-P7110 Printer Specifications Paper Interface, Options, Accessories, and Supplies Others About Media Margins and Print Area Printer Panel Indicators Indicators Print / Reset Button Front Side View Rear Side View Parts Identification Component Layout and Paper Path Electrical Components and Sensor Boards Switches and Solenoids Exposure Development / CleaningPrint Process Charge Transfer Fusing Media Tray Paper Feed Operation Theory Laser Scan Unit ExposureLaser Beam Lens Collimator LensPolygon Scanner Cylindrical Lens and Lens Fuser Unit Normal Printing Mode Not Duplex Mode Paper Ejection and Paper Switchback Setup Installation Requirements KX-P7105 / KX-P7110 Installing the Upgrade Kit for PostScript or RAM Board Material Required Repacking KX-P7105 / KX-P7110 KX-P7105 / KX-P7110 Front and Rear Covers Removal and Replacement Procedures Rear Cover Disassembly Front Cover Disassembly Top Cover Right, Left and Top CoversRight Cover Left Cover Relay Board B Laser Scanning Unit LSU High Voltage Board High Voltage Board and Power Supply Unit Power Supply Unit Disassembly Power Supply Unit Engine Control Board and Toner Empty Sensor Board Indicator BoardEngine Control Board Toner Empty Sensor Board Nd Feeder I / F Board and Main Control Board Nd Feeder I / F Board and Main Control Board Fuser Drive Gear Main Control Board DisassemblyFan Motor Relay Board a , Drive Gear Unit and Motor Gear Support Bracket Paper Empty Sensor Board Drive Gear Unit Disassembly Upper Exit Roller Holder Upper Exit Roller Holder DisassemblyUpper Exit Roller Holder Fuser Unit Disassembly Heat Roller Heat Lamp Thermostat KX-P7105 / KX-P7110 Pickup Roller and Pickup Solenoid Pickup, Paper Feed, Registration and Transfer Rollers Registration Roller Paper Feed Roller / Registration Roller Transfer Roller Assembly Auto Duplex Pinch and Registration Rollers Auto Duplex Unit ADU Auto Duplex Disassembly KX-P7105 / KX-P7110 KX-P7105 / KX-P7110 Paper Empty Sensor Lever Main Control Board Block Diagram Block Diagram Fuser Unit Engine Control Block Diagram Connection Diagram Connection Diagram Power Supply Asic KME Engine Control Board Clock Circuit Reset Circuit Main Motor Drive Circuit Motor Current will be cut off in case of OFF condition above Laser Scanning Unit Control Circuit Fuser Temperature Control Circuit High Voltage Control Circuit Eeprom Control Circuit Safety Interlock SW Pickup Control Solenoid Drive Circuit Solenoids Control CircuitRegistration Solenoid Driver Circuit Switchback Solenoid Drive Control Circuit Registration Sensor Circuit Sensors CircuitTop Sensor Circuit Paper Empty Sensor Circuit Exit Sensor Circuit Fan Control Circuit Toner Empty Sensor Circuit Nd Feeder I / F Circuit 2nd Feeder control signals are explained as follows KX-P7105 / KX-P7110 Data Flow Main Control Board Power Supply Clock Circuit CPU Asic IC1 overview CPU Sdras Sdram I/F FRCS1 ROM I/F Eepdata SXD Internal Engine I/F Main Board Engine Board Operation Panel Circuit Parallel I/F USB I/F Pcitrdy PCI I/F TPRDM, Tprdp Network I/F only for KX-P7110 KX-P7105 / KX-P7110 Main Control Board Option ROM CN Option RAM CN Main Control Board 4/9 IEEE1284 Circuit Block Main Control Board 6/9 ICE Connector Power Regulator Circuit Main Control Board KX-P7105 / KX-P7110 Engine Control Board Engine Control Board 2/3 Parts Side 102 Sensors, Indicator and Relay Boards 104 Paper Empty Sensor Board, 2nd Feeder I/F Board 106 1. CN1 Optional PostScript Upgrade Kit I / F Connector Explanation of Connectors 2. CN2 Optional RAM Connector CN2 Optional RAM Connector CN2 3. CN3 Network Connector 4. CN4 Ieee 1284 I / F Connector CN4 Ieee 1284 I/F Connector 6. CN6 Front Panel Connector 5. CN5 Engine I / F Connector 1. CN001 Video Interface 7. CN9 USB I / F Connector 3. CN003 OPC Drum Unit Interlock SW 2. CN002 LSU Control Signals4. CN004 2nd Feeder 7. CN007 Thermistor 5. CN005 PSU-MAIN Connector8. CN008 HVU-MAIN Connector 6. CN006 Door + 24V Interlock SW CN011 Pickup Solenoid CN013 Switchback Solenoid9. CN009 Toner Empty Sensor CN010 Polygon Motor CN018 FAN Control 14. CN014 REG-TOP SensorCN015 Exit Sensor CN017 Main Motor Paper Exit / ADU Paper Jam Sensor Board Registration & Paper Top Sensor Board 1. CN450 Paper Empty Sensor Paper Empty Sensor BoardToner Empty Sensor Board 1. CN407 Fuser GND 1. CN452 to Engine Control Board CN004 Nd Feeder I / F Board2. CN453 to 2nd Feeder 1. IC1 Main Control CPU Component Reference Guide IC1 GND12 2. IC2 Reset IC 4. IC5 RAM 3. IC3 Flash / Mask ROM IC6 LAN IC 5. IC6 LAN IC 7. IC10 Regulator 6. IC7 Eeprom 8. IC12 Regulator 1. IC001 Asic 2. IC002 Comparators 3. IC003 Reset IC 5. IC005 Eeprom 4. IC004 Engine Control CPU 7. IC007 Inverters 6. IC006 Motor Drive IC General Recommended CleaningRecommended Tools User Maintenance Maintenance Tables Recommended Lubrication Service Maintenance Maintenance CycleCounter Reset Lubrication Printer Status Paper Jam Self-Diagnostic Indicators User Error Call for Service Initial Troubleshooting Flowchart No Operation White Vertical Line in Print Print Quality Blank Print Dark Vertical Line in Print Dark Horizontal Line in Print Dirty Background All-black Print Light Print Ghosting Black or White Dots Toner Spatter Jam at a Paper Jam Jam at B Jam at C Jam at D, E Jam at STD Jam at OP 1. E20 Call Service 156 2. E30 3. E31 4. E32 5. E50 6. E54 7. E71 8. E73 9. E81 10. E90 11. E91 12. E96 Exterior Replacement Parts List with Lubrication Guide 168 169 Right Side Parts 170 Engine Control Board Connector Pickup Roller and Paper Feed Roller Motor and Drive Gear Unit Left Side Parts Power Supply Unit and High Voltage Board Rear and Top Side Parts 176 Fuser Unit 177 178 Bottom Side Parts 179 Mechanical Base Media Tray Paper Cassette Packing Component Side View Parts Side View Capacitors ICsResistors Transistor and Diodes 10.9.6 Others 10.9.5 Connectors 188 189 190 191 Resistor values is in OHMs Registration & Paper Top Detection Sensor Board Resistor values are in OHMs Relay Board a 194