Panasonic KX-P7110, KX-P7105 manual Main Control Board 6/9

Page 94

KX-P7105 / KX-P7110

AB

C

 

D

 

E

 

F

 

G

 

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

+3.3V

R106

1k

001:D3 EEPCLK

001:D3 EEPDATA

EEPROM

1eep_clk

2eep_data

+3.3V

 

 

 

IC7

 

 

1

A0

VCC

8

 

 

 

 

2

7

A1

WP

 

 

 

 

3

6

A2

SCL

 

 

 

 

4

5

VSS

SDA

 

 

 

 

C22

 

 

0.1u

 

 

 

 

1

2

001:H2 nTOP 001:H2 nSBSY 001:H2 nVIDEO 001:H2 nHSYNC 001:H1 nPURGE

001:H1 CXD 001:H1 CCLK

001:H2 SXD 001:H1 nPRINT 001:H2 nCBSY 001:H2 nPRDY 001:H2 PPRDY 001:H1 nPSAVE

RIP 5V

POWER<+5VB>

GND(+5V)

 

4.7k

10k

1k

4.7k

10k

4.7k

ECU 5V

 

 

 

 

 

POWER(+5V)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R121

R122

R123

R124

R126

R127

 

 

CN5

ENGINE I/F

CONNECTOR

 

 

 

 

 

 

R315

 

 

R110

100

 

 

 

 

0

1

nTOP

 

 

 

 

 

 

 

 

 

 

2

 

 

R108

1k

 

 

 

 

R316

0

GND

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

4

nSBSY

 

 

R111

33

 

 

 

 

L17

 

GND

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

6

nVIDEO

 

 

R112

33

 

 

 

 

R317

0

GND

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

8

nHSYNC

 

 

R113

33

 

 

 

 

R318

0

GND

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

10

nPURGE

 

 

R114

33

 

 

 

 

L20

 

GND

 

 

 

 

 

 

 

11

 

 

 

 

 

L21

 

 

 

12

CXD

 

 

R115

33

 

 

 

 

GND

 

 

 

 

 

 

13

 

 

 

 

 

 

 

 

R319

14

CCLK

 

 

R109

1k

 

 

 

 

GND

 

 

 

 

 

 

15

 

 

 

 

 

L22

 

0

 

16

SXD

 

 

R116

33

 

 

 

GND

 

 

 

 

 

17

 

 

 

 

 

 

 

 

nPRINT

 

 

 

 

 

 

 

 

L23

 

18

 

 

R117

33

 

 

 

 

 

+5V

 

 

 

 

 

 

 

19

 

 

 

 

 

 

 

 

nCBSY

 

 

 

 

 

 

 

 

R320

 

20

 

 

R118

33

 

 

 

 

 

+5V

 

 

 

 

 

 

 

21

 

 

 

 

 

 

 

 

nPRDY

 

 

 

 

 

 

 

 

0

R321

22

 

 

R119

33

 

 

 

 

+5V

 

 

 

 

 

 

23

 

 

 

 

 

 

 

 

L19 0

24

PPRDY

 

 

R120

33

 

 

 

 

nPSAVE

 

 

 

 

 

 

 

 

 

1

2

3

C75 100p

C77 100p

C78 100p

C79 100p

C80 100p

C81 100p

C82 1000p

C218

1000p

(1608)

R128

1k

GND(+5V)

POWER(+5V)

C84

22u

GND(+5V)

Not Used

3

4

+3.3V

R125

4.7k

POWER<+5VB>

5

 

001:G2

 

 

 

nKEY

100p

 

 

C76

 

001:G2

RDYLED

 

 

 

 

R172

4.7k

 

 

Not Used

001:G2

ERRLED

 

 

 

 

R173

4.7k

 

 

Not Used

R107

33

Q3

Q4

 

 

R171

 

C83

0.1u

1

 

 

 

 

 

L25

CN6

 

 

 

L1

 

1

+5V

 

 

L2

 

2

 

nKEY

 

3

 

 

nLED00

L3

 

4

 

nLED01

 

5

 

 

nLED02

L4

 

6

 

GND

 

 

PANEL I/F

CONNECTOR

4

5

6

001:G2 DRMLED

 

R174

4.7k

Not Used

A

B

Q5

ENGINE I/F, EEPROM, PANEL I/F CIRCUIT BLOCK

(Main Control Board) 6/9

KX-P7105/KX-P7110

CDEFG

6

94

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Page 93 Page 95
Contents KX-P7105 KX-P7110 KX-P7105 / KX-P7110 Contents KX-P7105 / KX-P7110 Specifications PrinterPaper Interface, Options, Accessories, and Supplies Others About Media Margins and Print Area Indicators Printer Panel IndicatorsPrint / Reset Button Parts Identification Front Side View Rear Side ViewComponent Layout and Paper Path Electrical Components and Sensor Boards Switches and Solenoids Charge Development / CleaningPrint Process ExposureFusing TransferPaper Feed Media TrayOperation Theory Laser Scan Unit ExposureLaser Beam Cylindrical Lens and Lens Collimator LensPolygon Scanner LensFuser Unit Paper Ejection and Paper Switchback Normal Printing Mode Not Duplex ModeInstallation Requirements SetupKX-P7105 / KX-P7110 Installing the Upgrade Kit for PostScript or RAM Board Repacking Material RequiredKX-P7105 / KX-P7110 KX-P7105 / KX-P7110 Removal and Replacement Procedures Front and Rear CoversFront Cover Disassembly Rear Cover DisassemblyLeft Cover Right, Left and Top CoversRight Cover Top CoverLaser Scanning Unit LSU Relay Board BHigh Voltage Board and Power Supply Unit High Voltage BoardPower Supply Unit Power Supply Unit DisassemblyEngine 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 BoardFuser Drive Gear Main Control Board DisassemblyFan Motor Gear Support Bracket Relay Board a , Drive Gear Unit and MotorDrive Gear Unit Disassembly Paper Empty Sensor BoardUpper Exit Roller Holder Upper Exit Roller Holder DisassemblyUpper Exit Roller Holder Fuser Unit Disassembly Heat Lamp Heat RollerThermostat KX-P7105 / KX-P7110 Pickup, Paper Feed, Registration and Transfer Rollers Pickup Roller and Pickup SolenoidPaper Feed Roller / Registration Roller Registration RollerTransfer Roller Assembly Auto Duplex Unit ADU Auto Duplex Pinch and Registration RollersAuto Duplex Disassembly KX-P7105 / KX-P7110 KX-P7105 / KX-P7110 Paper Empty Sensor Lever Block Diagram Main Control Board Block DiagramEngine Control Block Diagram Fuser UnitConnection Diagram Connection DiagramPower Supply Engine Control Board Asic KMEReset Circuit Clock CircuitMain 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 Exit Sensor Circuit Paper Empty Sensor CircuitToner Empty Sensor Circuit Fan Control Circuit2nd Feeder control signals are explained as follows Nd Feeder I / F CircuitKX-P7105 / KX-P7110 Main Control Board Data FlowPower Supply Clock Circuit CPU Asic IC1 overview CPU Sdram I/F SdrasROM I/F FRCS1Eepdata Internal Engine I/F Main Board Engine Board SXDOperation Panel Circuit Parallel I/F USB I/F PCI I/F PcitrdyNetwork I/F only for KX-P7110 TPRDM, TprdpKX-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 Explanation of Connectors 1. CN1 Optional PostScript Upgrade Kit I / F ConnectorCN2 Optional RAM Connector 2. CN2 Optional RAM Connector3. CN3 Network Connector CN2CN4 Ieee 1284 I/F Connector 4. CN4 Ieee 1284 I / F Connector5. CN5 Engine I / F Connector 6. CN6 Front Panel Connector7. CN9 USB I / F Connector 1. CN001 Video Interface3. CN003 OPC Drum Unit Interlock SW 2. CN002 LSU Control Signals4. CN004 2nd Feeder 6. CN006 Door + 24V Interlock SW 5. CN005 PSU-MAIN Connector8. CN008 HVU-MAIN Connector 7. CN007 ThermistorCN010 Polygon Motor CN013 Switchback Solenoid9. CN009 Toner Empty Sensor CN011 Pickup SolenoidCN017 Main Motor 14. CN014 REG-TOP SensorCN015 Exit Sensor CN018 FAN ControlRegistration & Paper Top Sensor Board Paper Exit / ADU Paper Jam Sensor Board1. CN407 Fuser GND Paper Empty Sensor BoardToner Empty Sensor Board 1. CN450 Paper Empty Sensor1. CN452 to Engine Control Board CN004 Nd Feeder I / F Board2. CN453 to 2nd Feeder Component Reference Guide 1. IC1 Main Control CPUIC1 2. IC2 Reset IC GND123. IC3 Flash / Mask ROM 4. IC5 RAM5. IC6 LAN IC IC6 LAN IC6. IC7 Eeprom 7. IC10 Regulator8. IC12 Regulator 1. IC001 Asic 3. IC003 Reset IC 2. IC002 Comparators4. IC004 Engine Control CPU 5. IC005 Eeprom6. IC006 Motor Drive IC 7. IC007 InvertersGeneral Recommended CleaningRecommended Tools Maintenance Tables User MaintenanceLubrication Service Maintenance Maintenance CycleCounter Reset Recommended LubricationSelf-Diagnostic Indicators Printer Status Paper JamUser Error Call for Service Initial Troubleshooting Flowchart No Operation Print Quality White Vertical Line in PrintBlank 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 Paper Jam Jam at aJam at B Jam at C Jam at D, E Jam at STD Jam at OP Call Service 1. E20156 2. E30 3. E31 4. E32 5. E50 6. E54 7. E71 8. E73 9. E81 10. E90 11. E91 12. E96 Replacement Parts List with Lubrication Guide Exterior168 Right Side Parts 169170 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 Fuser Unit 176177 Bottom Side Parts 178179 Mechanical Base Media Tray Paper Cassette Packing Component Side View Parts Side View Capacitors ICsResistors Transistor and Diodes 10.9.5 Connectors 10.9.6 Others188 189 190 191 Registration & Paper Top Detection Sensor Board Resistor values is in OHMsRelay Board a Resistor values are in OHMs194
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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.
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