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4-25

BJC-2000

Part 4: Technical Reference

4.2 Logic Section

4.2.1 Logic section block diagram

Figure 4-22 Printer Block Diagram

-2

AD0

-15

8-Mbit

A0-18

D0-15

22.11MHz

MA0-9

MD0-15

EEPROM

1 Kbit

PE4-7

Driver IC

CS0

RES

DRAM

1-Mbit

MA0-9

MD0-15

A0-9

DRAM Bus

DO1 -16

LA(P90), LA(P91)
LB(P92), LB(P93)

HPS(P40)

RRS(P33)

PES(P41)

Parallel

Interf

ace

Printer Temperature

Sensor (TH1)

Reset IC

MPU

inter

Controller

Address Bus A1 to A21

Data Bus AD0 to AD15

Control

Carriage Motor

Paper Feed Motor

Paper End Sensor PS1

Pick-Up Roller Sensor

Home Position Sensor

BJ Cartridge

Sub-Heater
Temperature Control

Heater

Head Temperature

Sensor

Rank Resistor

Black BJ Cartridge

Heater (128 nozzles)

Color BJ Cartridge

Heater (136 nozzles)

VHC,CVDC

MCH0

ID0,1

HRES

HCLOCK

HDATA

HLATCH

BENB1 to 3
HENB0 to 3

ODDENB

EVENENB

Scanner Cartridge
(Option)

Scanner Controller

CCD
LEDs (R,G,B)

HVH
HVDD

SCLOCK
SDATA
SLATCH
COM 0 to 3
C.CHK
C.CHA

TSW1(PB3)

TSW0(PB2)

CR0-3(P60-63)

PWMA(P72)
PWMB(P73)

CHSMI(P82)

CRSTBY(P83)

PS0/AN0

Reset Switch

Door Switch

Vcc

(+5VDC)

(+24.0VDC)

Logic Board

Bi-Directional
Interface Control

Switch Detection

Mechanism
Control

Carriage Motor

Temp.

Sensor

(

TH1

)

Pick-Up

Roller

Sensor

Paper

End

Sensor

Purge Unit

Paper Feed Roller

MECHANISM SECTION

ELECTRICAL SECTION

Sheet
Feeder

Paper Feed Motor

AC Adapter

AC Inlet

BJ Cartridge

Home Position Sensor

Scanner Cartridge (Option)

LEDs

(R,G,B)

CCD

Scanner
Controller

Carriage

RESET Button

Cartridge
Control

Figure 4-21 Logic Board Block Diagram

Содержание Color Bubble Jet BJC-2000 Series

Страница 2: ...1098 SC 0 40 0 ...

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Страница 4: ...ot apply to any countries where such provisions are inconsistent with local law Trademarks The product names and company names described in this manual are the registered trademarks of the individual companies Copyright This manual is copyrighted with all rights reserved Under the copyright laws this manual may not be copied reproduced or translated into another language in whole or in part withou...

Страница 5: ...ns This section explains how to operate the unit properly Information required about installation and service made Part 4 Technical Reference This section outlines the way the unit operates so you can understand it technically Part 5 Maintenance This section explains how to maintain the unit Descriptions of assembly disassembly adjustment for assembly troubleshooting procedures and wiring circuit ...

Страница 6: ...f Diagnosis Part 2 Product Specifications 2 1 1 PRODUCT OUTLINE 2 1 1 1 Product Outline 2 2 1 2 Features 2 3 1 3 BJ Cartridge 2 3 1 3 1 Color BJ cartridge Multi Drop 2 3 1 3 2 Black BJ cartridge 2 3 1 3 3 Photo BJ cartridge Multi Drop 2 4 1 4 BJ Cartridge Container 2 4 1 5 Consumables 2 4 1 5 1 BJ cartridges Color Black Photo 2 4 1 5 2 Ink cartridge Color BJ cartridge 2 5 1 6 Option 2 5 1 6 1 Colo...

Страница 7: ...ng the EEPROM data Part 4 Technical Reference 4 1 1 OVERVIEW 4 1 1 1 Printer Diagram 4 2 1 2 Print Signal Flow 4 3 1 3 Print Drive 4 3 1 3 1 Printing drive control 4 5 2 FIRMWARE 4 5 2 1 720 dpi Printing Feature 4 5 2 1 1 Canon extended mode 4 6 2 2 Printing Modes 4 6 2 2 1 Printing mode 4 6 2 2 2 Photo print mode 4 6 2 2 3 Multi drop print mode 4 8 2 3 Optimum Printing Direction Control 4 8 2 4 I...

Страница 8: ...art 5 Maintenance 5 1 1 MAINTENANCE 5 1 1 1 Parts for Regular Replacement 5 1 1 2 Consumables 5 1 1 3 Periodic Maintenance 5 2 2 SERVICING TOOLS 5 2 2 1 List of Tools 5 3 3 GREASE APPLICATION 5 4 4 DISASSEMBLY AND REASSEMBLY 5 4 4 1 Disassembly and Reassembly 5 4 4 2 Disassembly and Reassembly Cautions 5 5 4 3 Logic Board and Bottom Cover Replacement Cautions 5 5 4 3 1 Logic board replacement caut...

Страница 9: ... Cartridge Protectors 3 4 Figure 3 5 BJ Cartridge Handling Precautions 3 5 Figure 3 6 Cartridge Installation 3 6 Figure 3 7 Scanner Cartridge 3 7 Figure 3 8 Removing the Ink Cartridge 3 8 Figure 3 9 Removing the Ink Cartridge Cap 3 8 Figure 3 10 Ink Cartridge Protection 3 9 Figure 3 11 BJ Cartridge Container 3 10 Figure 3 12 Never unplug the power cord less than one minute after completing an oper...

Страница 10: ...Feed Mechanism 4 23 Figure 4 19 Paper Pick Up Mechanism 4 24 Figure 4 20 Printer Electrical System 4 25 Figure 4 21 Logic Board Block Diagram 4 25 Figure 4 22 Printer Block Diagram 4 28 Figure 4 23 Sensors 4 30 Figure 4 24 Scanner Cartridge 4 30 Figure 4 25 Block Diagram 4 31 Figure 4 26 Scanner Cartridge 5 3 Figure 5 1 Grease Application Points 5 5 Figure 5 2 Bottom Cover 5 23 Figure 5 3 Logic Bo...

Страница 11: ...9 TABLE 3 3 DEFAULT SETTING WHEN RESETTING THE EEPROM 4 7 TABLE 4 1 PRINTING MODES AND HEATING METHODS 4 16 TABLE 4 2 HEAD INSTALLATION STATUS AND SIGNAL DETECTION 4 17 TABLE 4 3 INK CONSUMPTION DURING CLEANING AS A STANDARD 4 29 TABLE 4 4 LIST OF SENSOR FUNCTIONS 4 33 TABLE 4 5 LIST OF SCAN MODE VII ...

Страница 12: ...This page intentionally left blank VIII ...

Страница 13: ...1 5 2 MACHINE PRECAUTIONS 1 5 2 1 Precautions for Handling BJ Cartridges 1 6 2 2 Printer Precautions 1 7 3 PRECAUTIONS FOR SERVICE 1 7 3 1 EEPROM Data Precautions 1 8 3 2 Static Electricity Precautions 1 8 3 3 Disassembly and Reassembly Precautions 1 8 3 4 Self Diagnosis Part 1 SAFETY AND PRECAUTIONS ...

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Страница 15: ...carriage motor while the latter are driven by the paper feed motor Avoid getting hair clothing jewelry etc caught in these moving parts Also note that the spurs are made of metal and have sharp edges Avoid touching the spurs with bare hands Part 1 Safety and Precautions BJC 2000 1 1 Figure 1 1 Moving Parts of the Printer Pick up Roller Carriage Idler Roller Paper Feed Motor Slow Down Gear Pressure...

Страница 16: ... Ink Path Head Cap Head Wiper Maintenance Jet Receiving Section BJ Cartridge Waste Ink Absorber Caution Although the ink is non toxic it contains organic solvents Isopropyl alcohol 67 63 0 glycerin 56 81 5 and ethyleneglycol 107 21 1 in black ink and isopropyl alcohol 67 63 0 in color inks Do not get ink in your eyes and mouth If any ink should get into your eyes wash with plenty of water and cons...

Страница 17: ...nd platen Clean any contaminated parts with a soft moist cloth Ink in such areas can contaminate the back of the paper and dirty hands and clothing while servicing Part 1 Safety and Precautions BJC 2000 1 3 Figure 1 3 Ink Path of the BJ Cartridge Black BJ Cartridge Color BJ Cartridge Nozzles Joint Pipe Ink Outlet Ink Outlet Joint Pipe Nozzles Color Ink Cartridge Black Ink Cartridge Figure 1 4 Ink ...

Страница 18: ...to the cartridge replacement position Close the front cover leave the printer inactive for a few minutes to allow it to cool and then open the front cover again to perform the required operation Protection level 2 If a high temperature is still detected the carriage is returned to the home position for 3 5 seconds to bring down the temperature After the resting period printing will resume This con...

Страница 19: ...d either installed in the printer or in the BJ cartridge container If the BJ cartridge is removed from the printer or BJ Cartridge Container the ink may leak and dry out causing the nozzles to clog 2 1 3 Transportation Precautions When carrying or transporting the printer keep the BJ cartridge stored in the BJ cartridge container This prevents the ink from leaking and drying out in the nozzles 2 1...

Страница 20: ...ntact surface with the paper increases causing more ink to adhere to each spur Since the spur cleaner is unable to wipe off all the ink a line of dotted ink may mask the printed paper 2 2 2 Static electricity damage prevention The static charge that accumulates from clothing etc can damage electrical components Therefore never touch the electrical contacts of the carriage ribbon cable and BJ cartr...

Страница 21: ...M reset the total waste ink amount to zero by clearing the data 3 After waste ink absorber replacement After replacing the waste ink absorbers reset the total waste ink amount to zero by clearing the EEPROM data After the EEPROM is reset the data it contained cannot be printed out with a test printout If you want to check the stored data be sure to execute test printout before resetting the EEPROM...

Страница 22: ...tic hooks Some plastic parts contain glass fibers for extra rigidity and precision but since their viscosity is low plastic hooks can break easily when excessive force is used Use a precision screwdriver and do not pull plastic hooks with excessive force while unhooking them 3 4 Self Diagnosis The printer has a self diagnosis feature to detect hardware defects The results of the self diagnosis is ...

Страница 23: ... 3 BJ Cartridge 2 4 1 4 BJ Cartridge Container 2 4 1 5 Consumables 2 5 1 6 Option 2 6 2 SPECIFICATIONS 2 6 2 1 Printer Specifications 2 9 2 2 Scanner Cartridge Specifications Option 2 10 2 3 Paper Specifications 2 12 2 4 Interface Specifications Part 2 PRODUCT SPECIFICATIONS ...

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Страница 25: ...which drop modulation technology has been adopted It also features banner printing capability to expand its printing environment If an optional scanner cartridge is installed in the carriage the printer can also be used as a compact color scanner This is a high performance personal color printer which has achieved small size and light weight as well BJ Cartridge Container AC Adapter Parallel Inter...

Страница 26: ...n technology adopted Color Photo BJ cartridges 7 Banner printing capability 8 New image processing technology Image Optimizer supported by the driver Image optimizer a function to reduce jaggies which occur when enlarging low resolution images 9 Improved printer driver color matching processing 10 Device ID and status response function compatible with Windows95 Plug Play Responds to the device ID ...

Страница 27: ...rtridge is used for ultra high speed mono chrome printing When the ink runs out or more than 6 months elapse after the cartridge is removed from its package or if the print quality does not improve even after cleaning the head over five times replace the BJ cartridge It allows printing at the same 360 dpi 720 dpi resolution as does the color BJ cartridge 1 3 3 Photo BJ Cartridge Multi Drop The dis...

Страница 28: ...ether 1 5 Consumables 1 5 1 BJ cartridges Color Black Photo Replacement BJ cartridges are identical to those included with the printer Only the packaging is different 1 5 2 Ink cartridge Color BJ cartridge Replacement ink cartridges are the same as those installed in the color ink cartridge and black ink cartridge Either cartridge can be used for half a year after the seal is opened Part 2 Product...

Страница 29: ...s performed 1 6 2 Scanning holder The scanning holder protects the scanning document from the printer s sharp spurs that may damage the document during feeding Small documents can also be scanned using the scanning holder When the printer is used as a scanner the scanning holder must be used at all times 1 6 3 White calibration sheet The printer uses a white calibration sheet to perform calibratio...

Страница 30: ...ax 1 page in carrier sheet ASF 5 Paper size Letter 8 5 11 Legal 8 5 14 A4 210 mm 297 mm Commercial number 10 envelopes 4 11 9 5 European DL size envelopes 220 mm 110 mm 6 Paper type Plain paper Envelopes COM 10 or DL size Transparencies Canon Transparencies CF 102 BPF Canon Back Print Film BF 102 Glossy paper Canon Glossy Photo Paper GP 201 Glossy film Canon High Glossy Film HG 101 Color Plain Pap...

Страница 31: ...eplaceable type color BJ cartridge Print head 136 nozzles in a vertical line Bk 64 nozzles Y M C 24 nozzles 3 Ink color Black cyan magenta yellow No of pages printable Black Approx 160 pages HQ mode 1500 character pattern cartridge Color Approx 90 pages HQ mode cartridge 7 5 duty per color pattern Weight Approx 85 g 3 0 oz including both ink cartridges BC 20 Ink cartridge integrated type monochrom...

Страница 32: ...45 dB A Conforming to sound pressure level ISO 9296 18 Environmental requirements Temperature Humidity During operation 5 C to 35 C 10 to 90 RH 41 F to 95F no condensation Non operation 0 C to 35 C 5 to 95 RH 32 F to 95 F no condensation 19 Power supply Input voltage Frequency Power consumption Stand by status USA Canada AC120V 60 Hz UK Australia AC 240V 50 Hz Approx 30 W Max Approx 2W Europe AC 2...

Страница 33: ...ion change from the software Paper feed progression 360 180 90 dpi 8 Scanning speed reference exclude paper pickup delivery and data transfer time Color 8bit ECP A4 4 31 360 360 dpi 2 56 180 180 dpi 2 31 90 90 dpi Monochrome 1bit ECP A4 0 34 360 360 dpi 0 29 180 180 dpi 0 25 90 90 dpi 9 Interface ECP Nibble 10 Document feeding method Place the document between the scanning holder and feed it throu...

Страница 34: ... 201 High resolution paper Canon high resolution paper HR 101 T shirt transfers Canon T shirt transfers TR 201 Fabric Fabric sheet FS 101 Banner Banner paper 2 3 3 Paper setting Media Thickness Lever Flap Position Max stacking height Plain paper Left Flat 5 mm LGL 10 pages Bubble jet paper Left Flat 5 mm Envelopes Right Flat 5 Transparencies Left Flat 20 pages Back Print Film Left Flat 10 pages Gl...

Страница 35: ...110 mm Figure 2 7 Printing Area Figure 2 8 Printing Area Envelope L T B R Feed direction Printable Area Minimum L R T B 3 4 3 4 3 0 7 0 mm mm mm mm 0 13 0 13 0 12 0 27 Recommended Printing Area L R T B 3 4 3 4 20 5 20 5 mm mm mm mm 0 13 0 13 0 81 0 81 Minimum 1 1 LTR size L is 6 4mm 0 25 minimum 1 T B L R Feed direction Printable Area Minimum L R T B 6 4 10 4 3 0 7 0 mm mm mm mm 0 25 0 41 0 12 0 2...

Страница 36: ...nicating the data read from the optional scanner cartridge to the host computer provided that it also is set in nibble or ECP mode The parallel interface sends 8 bits one byte of data at a time and is transistor transistor logic TTL compatible The interface cable must be constructed of American Wire Gauge AWG No 28 or larger The maximum length of the twisted pair shielded cable must be 2 0 m appro...

Страница 37: ... DATA6 IN 25 DATA6 GND 8 DATA7 IN 26 DATA7 GND 9 DATA8 IN 27 DATA8 GND 10 ACKNLG OUT 28 ACKNLG GND 11 BUSY OUT 29 BUSY GND 12 P E OUT 30 INT GND 13 SELECT OUT 31 INIT IN 14 AUTO FEED XT IN 32 ERROR OUT 15 N C 2 33 GND 16 GND IN 34 N C 2 17 GND 35 5 0V 4 18 5 0V 3 36 SELECT IN IN Nibble mode No Signal I O No Signal I O 1 HostClk IN 19 Signal Gnd 2 Data1 IN OUT 20 Signal Gnd 3 Data2 IN OUT 21 Signal...

Страница 38: ...Data1 IN OUT 20 Signal Gnd 3 Data2 IN OUT 21 Signal Gnd 4 Data3 IN OUT 22 Signal Gnd 5 Data4 IN OUT 23 Signal Gnd 6 Data5 IN OUT 24 Signal Gnd 7 Data6 IN OUT 25 Signal Gnd 8 Data7 IN OUT 26 Signal Gnd 9 Data8 IN OUT 27 Signal Gnd 10 PeriphClk OUT 28 Signal Gnd 11 PeriphAck OUT 29 Signal Gnd 12 AckReverse OUT 30 Signal Gnd 13 Xflag OUT 31 ReverseReq IN 14 HostAck IN 32 PeriphReq OUT 15 N C 1 33 GND...

Страница 39: ...e printer is offline or when an error occurs paper out paper jam P E Output When the printer cannot feed paper this signal goes High Then BUSY signal goes High and the SELECT and FAULT signals go Low The signal goes Low when the paper is set and the printer goes online FAULT and SELECT signals then go High from Low If paper is not ejected paper jam by executing a paper eject command this signal an...

Страница 40: ...hase Indicates bit 1 and bit 5 of the transmission data Negotiation phase Informs the host computer whether the printer supports nibble mode or not synchronizing with the falling edge of the Ack data Req signal L means that it supports nibble mode Host Busy Input Reverse data transmission phase Indicates that the host is ready to receive the data from the printer by making the Host Busy signal Low...

Страница 41: ...m the host computer Once the data is received the signal goes High During the reverse data transmission phase this signal indicates whether the data sent from the printer to the data bus was command or data Low Command High Data Ack Reverse Output Ack Reverse signal remains High when data is transferred from the host computer to the printer During the reverse data transmission phase the signal rem...

Страница 42: ... computer s Low Reverse Request signal 1284 Active Input During the negotiation phase this signal goes High and remains High during ECP mode to indicate bidirectional operation After ending ECP mode this signal goes Low and enters the termination phase 9 Timing Compatible Mode The parallel interface for compatible mode transfers data in 8 bit units Data is transferred with the STROBE BUSY and ACKN...

Страница 43: ...usy signal Next after the printer confirms that the HostBusy signal is Low for a second time it outputs the upper 4 bits along the control signal line If there is no data to be sent to the host computer after the HostBusy signal is High the DataAvail signal becomes High and the printer stands by for the next data transfer Part 2 Product Specifications BJC 2000 2 19 BJC 2000 Printer Busy Status 000...

Страница 44: ...During the reverse data transmission phase the HostAck signal confirms that the PeriphClk is High before it goes Low HostAck signal goes Low when the printer is ready to receive data from the host computer The host computer raises the HostAck signal after it receives the data During reverse data transmission a high PeriphAck signal represents data whereas a Low signal represents a command Part 2 P...

Страница 45: ...he Printer On Off 3 11 1 5 Paper Settings 3 11 1 6 Banner Printing 3 12 1 7 Scanning Precautions 3 13 1 8 Name of the Parts and Their Functions 3 15 2 PRINTER SERVICING FUNCTIONS 3 15 2 1 Error Indications 3 17 2 2 Cleaning the BJ Cartridge 3 17 2 3 Self Test Printout 3 19 2 4 EEPROM Reset Part 3 OPERATING INSTRUCTIONS ...

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Страница 47: ...he printer make sure the items below are included Part 3 Operating Instructions BJC 2000 3 1 Figure 3 1 Packaging Documentation Paper Support BJ Cartridge Container BJ Cartridge Paper Output Tray Power Cord Read This First Packing Packing Box Packing Tape ...

Страница 48: ...place the printer in excessive heat or humidity Operate the printer under the following conditions Ambient temperature 5 C to 35 C Relative humidity 10 to 90 no condensation Do not place the printer in direct sunlight Do not place the printer near a device containing a magnet or generating a magnetic field Place the printer on a level and stable surface Do not place the printer in areas subject to...

Страница 49: ...ck of the printer After connecting the cable fasten the locking arms to secure it 3 Connect the other end of the interface cable to the parallel interface connector on the computer 1 3 2 Turning on the printer The printer turns on when the AC plug is plugged in Before turning on the printer first turn on the computer and any other peripheral equipment When turned on the printer executes initializi...

Страница 50: ...uch or wipe the nozzles with tissue paper etc to prevent them from clogging To prevent foreign matter or dried ink from clogging the nozzles install the BJ cartridge immediately in the printer or in the cartridge container after removing the cap and peeling off the tape Clogged nozzles can cause white streaks across printed area If this problem persists even after the ink cartridge is cleaned by t...

Страница 51: ...tridge all the LEDs are lit at 75 power output at the home position for a max of 100 sec and preheated to stabilize the LED output The computer will display a message saying Warming up scanner cartridge Please wait will appear After the message appears all the LEDs are lit at 50 power output for a max of 600 sec to retain the temperature Figure 3 6 Cartridge Installation When Installing the Scanne...

Страница 52: ...plate will get hot When the aluminum plate becomes too hot the carriage will not move to the cartridge replacement position In this case close the front cover and wait for a few minutes before replacing the BJ cartridge Do not move the carriage by hand 1 3 4 Scanner cartridge precautions Do not touch the scanning head of the scanner cartridge as it may affect the quality and ability of the scannin...

Страница 53: ...The color ink cartridge contains three colors If one ink color runs out the entire color ink cartridge must be replaced If an ink cartridge has been replaced but the print quality does not improve even after cleaning replace the color BJ cartridge with a new one 2 Removing an ink cartridge Open the front cover and the carriage moves to the cartridge replacement position Then take out the ink cartr...

Страница 54: ...k cartridge s ink outlets After removing the cap from the ink cartridge promptly install the ink cartridge in the BJ cartridge to prevent the nozzles from clogging due to dried out ink and dust etc Do not remove an ink cartridge from the BJ cartridge unless replacing Cap Figure 3 9 Removing the Ink Cartridge Cap CAUTION Color Ink Cartridge Contact Section of the Joint Pipe Contact Section of the J...

Страница 55: ...he box can store one BJ cartridge only but several containers can be joined together The BJ cartridge container can be attached to the printer When storing a color BJ cartridge make sure that the black and color ink cartridges are installed When Storing the Color BJ Cartridge When Storing the Black or Photo BJ Cartridge Close Open Push When Storing the Scanner Cartridge Soft Case NOTE Figure 3 11 ...

Страница 56: ...2 Turning the printer off Unplug the power cord from the power source to turn off the printer When unplugging the power cord wait at least one minute after completing an operation such as printing feeding paper cleaning the print head etc Never unplug the power cord less than one minute after completing an operation Otherwise the BJ cartridge will not be capped In such case ink may leak or dry out...

Страница 57: ...p margin Set an extra sheet at the end in case the bottom edge is not printed on the last page Banner printing uses a large amount of ink To avoid ink shortage use of a new ink cartridge when printing banners is recommended Banner Paper Paper Delivery Flap Output Tray Extension Figure 3 13 Banner Printing Media Thickness Lever Paper Feed Flap Method Limit Position Plain paper Left Sheet feeder 5 m...

Страница 58: ...ng Precautions The scanning document should be placed in the scanning holder to prevent staining or scratching Do not feed thick or bent paper Also direct feeding of thin paper or corner folded paper may result in paper jamming Figure 3 14 Scanning Holder ...

Страница 59: ...e cut sheet feeder Holds a stack of approximately 50 cut sheets 64g cm2 for automatic feeding Aligns the cut sheets in the cut sheet feeder according to the paper size Open to install or remove the cartridge set the paper thickness lever or remove jammed paper Pulls out to receive the printed sheets Installed on the rear of the printer the AC adapter supplies power from the power outlet to the pri...

Страница 60: ...t for thick paper envelopes and banner paper This key has the following functions To recover an error press and hold down for over two seconds To start cleaning the print head press and hold down for over two seconds To start the nozzle check pattern double click Adjusts the gap between the printhead and the paper Set this lever according to the type of print media that you are using RESET button ...

Страница 61: ... An incorrect cartridge is installed in the printer Unrecoverable by customers Home position error An error that possibly requires a service call has occurred 5000 Carriage control error An error that possibly requires a service call has occurred 5100 Head temperature sensor error An error that possibly requires a service call has occurred 5200 Printer temperature sensor error An error that possib...

Страница 62: ...er 6 Home position error Displayed when the home position can not be detected 7 Carriage control error Occurs when the print position correction cannot be detected 8 Head temperature sensor error Occurs when the diode sensor in the BJ cartridge head is assessed as irregular 9 Printer temperature sensor error Occurs when the temperature sensor s TH1 reading on the control board is irregular 10 No c...

Страница 63: ...t any connection to a computer There are two print modes available in self test prints the nozzle check pattern and service test print All self test prints require Letter or A4 size paper Using smaller sized paper for a self test print will result in parts of the printout being printed directly on the platen 2 3 1 Nozzle check pattern Double click the RESET button while the AC plug is plugged in A...

Страница 64: ... seconds and release it 3 Open the front cover and install the black BJ cartridge 4 Press the RESET button twice and close the front cover The printer starts the service test printing ROM Ver X XX BC 20 LostInk XX X PageCount BK XXXXX PB XXXXX CL XXXXX VC XXXXX LD XXXXX VL XXXXX SC XXXXX CG ROM Ver X XX BJC 2000 Wiping XXXXXXK ManualPurge XXXXX DryTime OFF PurgeFlag 3Fh Door CLOSE Version Number o...

Страница 65: ...C adapter to the AC outlet while holding down the RESET button 2 Release the RESET button Press it down again within five seconds and release it 3 Hold down the RESET button for two seconds or more and release it 4 Set EEPROM by pressing the RESET button as shown in the table below Operation Contents of setting Hold down for two seconds or more EEPROM reset destination setting Other than Japan Pre...

Страница 66: ...Part 3 Operating Instructions BJC 2000 3 20 This page intentionally left blank ...

Страница 67: ...tridge 4 17 3 3 Purge Unit 4 19 3 4 Carriage 4 22 3 5 Paper Feed 4 24 4 PRINTER ELECTRICAL SYSTEM 4 24 4 1 Overview 4 25 4 2 Logic Section 4 28 5 SENSOR FUNCTIONS 4 28 5 1 Pick up Roller Sensor 4 28 5 2 Paper End Sensor 4 28 5 3 Home Position Sensor Purge Sensor 4 28 5 4 Temperature Sensor 4 29 5 5 Head Temperature Sensor 4 29 5 6 Waste Ink Amount Detection 4 30 6 SCANNER CARTRIDGE 4 30 6 1 Scanne...

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Страница 69: ...ram J2 J1 Logic Board Paper Feed Motor Driver Carriage Motor Driver MPU Printer Controller I F VH 24 0VDC Vcc 5VDC J4 J5 J3 Control ROM DRAM EEPROM Paper Feed Motor Carriage Motor Cartridge BJ Cartridge Scanner Cartridge Home position sensor Figure 4 1 Printer Diagram ...

Страница 70: ...t data is stored in the DRAM print buffer b The MPU printer controller converts the print data into serial data as print drive signals and outputs the serial data to the bubble jet head In the bubble jet head the print data is converted from serial signals to parallel print data for each printed line Printing is executed while the printer controller is controlled by the print control signals c The...

Страница 71: ... 1 2 3 and for the latter the signals are the even odd enable signals Even odd ENB The heat enable 0 and 1 HENB 0 1 which are the heater drive control signals for ejecting the ink are comprised of a pre pulse and main pulse To constantly achieve optimum ink ejection the internal conditions such as the head s rank printer temperature and head temperature are monitored and the heater drive pulse wid...

Страница 72: ...HEAT ENABLE signal controls ink ejection as follows HENB 0 signals the nozzle black at the back HENB 1 signals the nozzle black at the front HENB 2 signals the nozzle color at the front HENB 3 signals the nozzle color at the back The HEAT ENABLE signal is made up of the prepulse and the main pulse To optimize ink ejection the head rank printer s inner temperature and head temperature are constantl...

Страница 73: ...on is sent to the printer and the edges are smoothed at a higher resolution When a color BJ cartridge is installed a 360 dpi data is represented by a set of two dots printed simultaneously to obtain a 720 dpi resolution The multi value data of the pixels processed by the printer driver for color correction etc is assigned three values no printing single dot printing two dot printing for each pixel...

Страница 74: ...od for the respective printing modes are listed below 2 2 2 Photo print mode Photoprint mode can be used to obtain high level gradation print quality when using the Photo BJ cartridge These cartridges contain a light density ink which achieves a high level of gradation by printing several times over the same dot The printer driver divides the pixel data into a maximum of 4 values not printed print...

Страница 75: ...s 2 Color Fine1 3 passes 8 nozzles 6 51KHz 6 51KHz 13 02KHz Color Fine2 3 passes 8 nozzles 6 51KHz 6 51KHz 13 02KHz Color DFine1 3 passes 8 nozzles 6 51KHz 6 51KHz 13 02KHz Color DFine2 3 passes 8 nozzles 6 51KHz 6 51KHz 13 02KHz Color HS 1 pass Switches automatically 9 19KHz between 24 and 64 nozzles With a Photo BJ Cartridge Multi Drop Printing Mode Carriage Number of Nozzles Heat Frequency 1 Mo...

Страница 76: ...ing one To prevent this a wait period is applied during printing so that sheet ejection is delayed giving more time for the ink on the preceding sheet to dry When a black BJ cartridge is used whose printing speed is faster and high duty printing is completed the printer automatically detects the high duty printing position and the time elapsed from the start of printing There is no need to execute...

Страница 77: ...h quality printing by capping and wiping the BJ cartridge s bubble jet face It ensures that the ink in the nozzles is ejected easily When the printer is not in use the purge unit caps the BJ cartridge s nozzles for protection 3 Carriage Driven by the carriage motor the carriage moves horizontally across the paper Through the carriage ribbon cable the printing signals from the logic board are trans...

Страница 78: ...ttached to the cartridge body to prevent the ink from leaking inside the cartridge As the ink is consumed the pressure inside the cartridge decreases in relation to the atmospheric pressure This makes it harder for the ink to be supplied to the head To prevent this the cartridge cover is provided with a pressure adjusting hole for maintaining constant pressure inside the cartridge body 2 Ink spong...

Страница 79: ...he same color ink cartridge body 3 Ink suppliers These supply the ink from the ink sponges to the cartridge s joints at a constant pressure 4 Ink cartridge body This is a plastic case which links the ink sponge with the color BJ cartridge via the ink suppliers 5 Rubber sheets This sheet seals the joints between the ink cartridge and BJ cartridge 6 Ink passage section This is a passage through whic...

Страница 80: ...he cartridge body 2 Ink sponges Each ink color black cyan yellow magenta is soaked in its own respective sponge The cyan yellow and magenta ink sponges are compressed and stored in the cartridge body 3 Ink passage section This is a passage through which the ink flows from the ink cartridge to the head unit 4 Bubble jet head unit From the ink cartridges the four ink colors are supplied separately t...

Страница 81: ...enished with more ink from the ink sponge The print head s heater board uses semiconductor technology with the heater and circuitry built on a silicon plate This silicon plate which contains electrical circuitry is attached to an aluminum base The plastic cover which is shaped to fit the nozzles is also attached NOTE Plastic Cover Signal Circuit Print Board Extra Fine Wire Connecting Section Prote...

Страница 82: ...art 4 Technical Reference 4 14 BJC 2000 1 2 3 4 16 17 113 114 115 116 128 16 113 114 127 128 Heater 1 Heater 128 Temperature Control Heater x 2 Rank Resistor Sub Heater x 2 128bit Shift Resistor 128bit Latch Head Temperature Sensor HTO HVH HTI TOP VHG W HT 0 1 0 1 2 H ENB Odd ENB Even ENB B ENB HDATA HCLOCK HRES HLATCH HVdd HVss DIODE A DIODE K ID0 ID1 127 128 128bit Tr Array 1 1 2 8 Block Enable ...

Страница 83: ...r This heater controls the head temperature to stabilize the ink ejection amount 4 15 BJC 2000 Part 4 Technical Reference 8 9 72 73 135 136 HT0 HVH HT1 INKS2 Odd ENB Even ENB HDATA HCLK HRES HLATCH DIODE A DIODE K 1 2 3 4 0 1 2 3 16 17 HENB 2 HENB 1 HENB 3 HENB 0 BENB3 BENB2 BENB1 HVdd GNDL TOP VHD W HT HTA HTB HTC HTD SEL1 SEL2 BE0 BE1 BE2 BE3 Color BJ cartridge Multi Drop and photo BJ cartridge ...

Страница 84: ...e is installed When the resistance values of these pins do not comply with the above values the printer decides that a cartridge is not installed When the printer detects the BJ cartridge the installed BJ cartridge is identified black color or photo BJ cartridge based on ID0 pin 11 ID1 pin 12 and INKS2 pin 13 of the cartridge signal contacts If the printer is turned on without the BJ cartridge for...

Страница 85: ... exceeds the specified amount When the color BJ cartridge is left at the cartridge replacement position for over 10 minutes When cleaning is executed by button operation The cleaning operation includes the wiping of paper bits and ink residue adhering to the print head s face plate It also sucks out ink from the print head to refresh the inside of the nozzles with fresh ink With a Black BJ Cartrid...

Страница 86: ...print head s face plate Also since the cap is connected to a pump the cap sucks ink from the BJ cartridge during the cleaning operation The ink which has been sucked out is sent to the base cover unit s waste ink absorber 4 Maintenance jet receiving section The maintenance jet receiving section takes in ink for test ejection to maintain the nozzles working condition ejected from the BJ cartridge T...

Страница 87: ...arriage moves to the cleaning position at the right end of the platen the slide arm is unlocked The paper feed motor s drive power normally used for paper feeding during printing can be diverted to drive the purge unit and sheet feeder 4 19 BJC 2000 Part 4 Technical Reference BJ Cartridge Installation Carriage Ribbon Cable Carriage Cartridge Holder Contact Point Locking Lever Paper Thickness Secti...

Страница 88: ...uous printing in the paper feed direction After the bi directional carriage shift for each mode the slightly off timing of the detected home position edge is adjusted automatically by delaying the ejection of ink The slightly off timing of the detected home position edge is adjusted with software and thereby corrected automatically During the initial operation HQ mode is corrected For the other mo...

Страница 89: ...he paper feed motor drives the purge unit and sheet feeder When the slide arm is unlocked and the feed roller is rotated in the feeding direction the slide arm rotates until it reaches the sheet feeder gear to drive the gear When the slide arm is unlocked and the feed roller is rotated in the opposite direction of the feeding direction the slide arm rotates until it reaches the purge drive gear to...

Страница 90: ...n lever When the paper is sensed by the paper end sensor it is fed automatically by the paper feed roller until it reaches the starting position for printing on the platen During printing the paper is fed by the rotation of the paper feed roller The paper after printing is delivered by the eject roller 2 Paper feed operation It is not possible to perform paper feed operations with the printer howe...

Страница 91: ...ed section When printing on thick paper like envelopes as the paper is stiffer than the return force of the paper separator s spring the paper separator is pressed down to feed the paper The initial position of the pick up roller is detected when the flag is sensed by the pick up roller sensor on the logic board When paper is sensed by the paper end sensor for over a second it is fed automatically...

Страница 92: ...oring the status of the sensors The power supply unit consists of a built in AC adapter which provides DC output to the logic board motors and head etc When DC input power from the AC adapter is being supplied all of the hardware components are active AC Adapter Carriage Motor Carriage Ribbon Cable J2 J4 J1 J5 J3 DOOR Switch RESET Switch MPU Printer Controller Control ROM Paper Feed Motor Paper Fe...

Страница 93: ...k Resistor Black BJ Cartridge Heater 128 nozzles Color BJ Cartridge Heater 136 nozzles VHC CVDC MCH0 ID0 1 HRES HCLOCK HDATA HLATCH BENB1 to 3 HENB0 to 3 ODDENB EVENENB Scanner Cartridge Option Scanner Controller CCD LEDs R G B HVH HVDD SCLOCK SDATA SLATCH COM 0 to 3 C CHK C CHA TSW1 PB3 TSW0 PB2 CR0 3 P60 63 PWMA P72 PWMB P73 CHSMI P82 CRSTBY P83 PS0 AN0 Reset Switch Door Switch Vcc 5VDC VH 24 0V...

Страница 94: ...ue for optimum drive The stepping motor controller outputs the switching control signal to the carriage motor driver A D converter The following analog signals are detected after they pass through the built in A D converter AN0 The printer s internal temperature is detected by the thermistor on the logic board AN1 The head temperature is detected by the head temperature sensor in the BJ cartridge ...

Страница 95: ...ations such as BJ cartridge detection and head driving voltage control are output from the output ports 2 Control ROM IC4 The 8 M bit control ROM contains the printer control program 3 DRAM IC5 Controlled by the MPU Printer controller the 4 M bit DRAM is used as a print buffer and working area 4 Reset IC IC2 This IC detects the power voltage when power on or instantaneous power failure occur and r...

Страница 96: ...sition Sensor Purge Sensor The photo interrupter type home position sensor senses the home position edge and carriage position After the edge is detected the carriage moves to the right The position where the maintenance jet is executed becomes the home position Also at the capping position the on off of the purge sensor flag during the recovery operation is detected 5 4 Temperature Sensor The tem...

Страница 97: ...l The waste ink is discharged during maintenance jet and cleaning The amount of waste ink discharged is estimated by counting the number of maintenance jet and cleaning operations Then the waste ink amount is calculated taking into consideration the amount of evaporated ink When the calculated waste ink amount exceeds the capacity of the waste ink absorber a waste ink full error occurs 4 29 BJC 20...

Страница 98: ... The light rays hit the image and using an imaging lens the reflected light rays are converged onto the CCD sensors The converged light rays are converted to analog signals by the CCD After the analog signals have been converted to digital signals by the scanner controller the scanned image is processed and the image data is sent to the computer via the printer s bi directional Centronics interfac...

Страница 99: ...n reduction caused by paper gaps when scanning a lifted or bent document 5 Imaging lens This lens is used for forming an image of the light rays converged by the field lens onto the CCD 6 Shading board The shading board with a slit at the front surface of the CCD is used to prevent crosstalk generated in areas adjacent to high contrast areas 7 CCD The scanner cartridge uses a semiconductor type on...

Страница 100: ...h line in the feeding direction of paper The scanned data is compared against a standard white data to even out and correct the density White Balance Correction Variation in image density which may occur due to changes in the amount of LED light caused by temperature change in the direction of the carriage length is corrected Carriage Scanning Direction Resolution Converter The carriage scanning d...

Страница 101: ... used as a reference in scanning are sampled and then corrected in terms of shading and white balance The scanner application retains the past 5 calibration data samples and saves them in a file When a scanning operation is performed a value from the compiled temperature data that is within 5 C of the printer s internal temperature at the time is downloaded to the scanner controller The scanner ap...

Страница 102: ...Part 4 Technical Reference 4 34 BJC 2000 This page intentionally left blank ...

Страница 103: ...LY 5 4 4 1 Disassembly and Reassembly 5 4 4 2 Disassembly and Reassembly Cautions 5 5 4 3 Logic Board and Bottom Cover Replacement Cautions 5 6 5 TROUBLESHOOTING 5 6 5 1 Troubleshooting 5 8 5 2 Error Condition Diagnosis 5 23 6 LOCATION SIGNAL ASSIGNMENT 5 23 6 1 Logic Board 5 25 6 2 Carriage Ribbon Cable 5 26 6 3 BJ Cartridge Scanner Cartridge 5 28 7 CIRCUIT DIAGRAMS 5 28 7 1 Parts Layout Part 5 M...

Страница 104: ......

Страница 105: ...enance Part 5 Maintenance BJC 2000 5 1 Level Consumable User Black BJ cartridge Color BJ cartridge Color ink cartridge Black ink cartridge Photo BJ cartridge Service personnel None Level Periodic Maintenance User None Service personnel None Level Part User None Service personnel None ...

Страница 106: ...e Phillips screwdriver For removing screws Blade screwdriver For removing plastic parts Tweezers For installing and removing coil springs Multi meter For troubleshooting Special Tool Parts Number Use Grease MOLYKOTE PG 641 Apply to the specified place as shown in Figure 5 1 CK 0562 000 ...

Страница 107: ...YKOTE PG 641 Belt Holder About 20mg MOLYKOTE PG 641 Idler Roller Shaft Section About one grain of rice MOLYKOTE PG 641 Rear Sides of Carriage Guide Frame About 35 to 65 mg MOLYKOTE PG 641 Rubbing Section of Carriage and Carriage Shaft About 100 mg MOLYKOTE PG 641 Rubbing Section of Feed Roller Shaft and Coil Spring To a degree of greasiness MOLYKOTE PG 641 Figure 5 1 Grease Application Points ...

Страница 108: ...og In the parts catalog figure numbers are in the order of disassembly Close up diagrams are also provided for additional detail 4 2 Disassembly and Reassembly Cautions When disassembling or reassembling the printer note the following precautions These cautions are also provided in the parts catalog Part 5 Maintenance BJC 2000 5 4 ...

Страница 109: ...nt of waste ink already absorbed ink may leak even before a waste ink full error warning appears However it is not necessary to replace it if the printer has been used for less than 2 weeks and less than 50 pages have been printed out 4 3 2 Cautions after replacing the bottom cover After a waste ink full error occurs and the bottom cover are replaced reset the EEPROM When a waste ink full error oc...

Страница 110: ...ware of electrical shocks and PCB short circuiting 3 Troubleshooting is described in flowchart form The following symbols are used in the flowcharts Start End Procedure Judgement Action Replace Jump Stop 4 If there is a problem with the printing quality or paper feeding first check that the printer s installation location and paper meet the required specifications Also check that the paper select ...

Страница 111: ...ard 7 Ink cartridge replacement as a countermeasure is only applicable after the color BJ cartridge has been used for the Symptom When using the black BJ cartridge for troubleshooting advance to the next step 8 After completing the troubleshooting be sure to reconnect connectors and tighten any loosened screws When replacing the logic board be sure to check the waste ink absorbers ink amount on th...

Страница 112: ...ower power on OK Home position check Printing position correction operation Correct Home position error START MPU s RAM DRAM check Temperature sensor check Cartridge check EEPROM check ROM check Waste ink full error Carriage control error Next Page DRAM check Waste Ink check OK Error code 5000 Error code 5B00 Error code 5100 ...

Страница 113: ... installed No cartridge Paper feed motor initialization Previous Page Pick up roller initialization Paper check No Yes Paper present Paper jam Auto cleaning END Error code 5C00 Error code 1400 Error code 1300 Frontcover is closed Auto cleaning is not performed if the BJ cartridge is not installed Cleaning check is not performed if the BJ cartridge is not installed ...

Страница 114: ...rtridge is not installed correctly in the cartridge replacement position Suspected Parts Cartridge logic board carriage connector Measure Yes No BJ cartridge reinstallation Any error display 1 Replace BJ cartridge 2 Replace logic board 3 Replace carriage unit END 1 No Cartridge Error ...

Страница 115: ...l reading Open Low level Closed Highlevel J5 Pin No 30 Measuring points Normal reading Approx 11 J3 Pin No 1 2 3 4 Repair replace faulty parts Replace carriage motor Check for any paper jams carriage belt wear deterioration dislocation deformation of the carriage or carriage guide scratching or bending in the carriage shaft etc Move the carriage by hand and check that it moves smoothly and there i...

Страница 116: ...eet feeder unit Error occurs Repair replace faulty part Repair replace faulty part Replace logic board Next Page Separation Sheet Rubber Ring Visually check for paperjams Check for gear deformation or damage During initialization do the paper feed motor pick uproller feed roller eject roller etc rotate Any abnormal noises Is the paper feed motor out of sync When the pick up roller turns is the pap...

Страница 117: ...per sensor check Yes No Replace logic board Correct END Previous Page Replace paper end sensor arm Repair replace the faulty part Paper Pick Up Roller Pick Up Roller Sensor Flag Paper Sensor Arm Pick Up Roller Sensor Paper Sensor Check for pick up roller sensor flag deformation or damage High level Initial condition Check by moving the pick up roller by hand while the power is on Low level Paper p...

Страница 118: ...e the bottom cover unit 2 Replace logic board Cause Thermistor is abnormal Suspected Parts Thermistor Measures Replace logic board Cause The printing position correction value cannot be detected Suspected Parts Carriage motor logic board home position sensor Measures See countermeasures for home position sensor error 4 Waste Ink Full Error 6 Carriage Control Error 5 Temperature Sensor Error ...

Страница 119: ...es Correct Yes No Correct Plug in the power cord END Printout nozzle pattern END 1 Replace ink cartridge 2 Replace BJ cartridge Connector cable check Replace logic board Repair replace faulty part BJ cartridge removal installation Since the head temperature maybe high do not touch the carriage Faulty BJ cartridge connection Carriage ribbon cable Paper feed motor cable Carriage motor cable 7 HeadT ...

Страница 120: ...oard Replace sensor arm or repair replace faulty part Sensor Arm During initialization do the paper feed motor pick up roller feed roller eject roller etc rotate Any abnormal noises Is the paper feed motor out of sync Move it by hand and see if it moves smoothly Also any deformation or damage at the locations indicated by the arrow Remove the purge unit and move it as shown by the arrow to check i...

Страница 121: ... Scanner cartridge s RAM Measure Replace scanner cartridge b Symptoms Symptom The printer does not perform initializing even when the AC plug is connected Cause The AC adapter and or control board is faulty Measure 9 Scanner Cartridge Error Yes No DC plug output voltage check START Replace theAC adapter Replace the logic board Is it output correctly 24VDC 5VDC GND GND 1 The Power Does Not Turn On ...

Страница 122: ... 5 2 1 8 Remove and reinstall the cartridge Does the printer recognize the cartridge Check Normal reading Pin No 11 14 12 14 13 14 Approx 0 Black BJ Cartridge Check Normal reading Pin No 11 14 12 14 13 14 Photo BJ Cartridge Multi Drop Check Normal reading Pin No 11 14 12 14 13 14 Approx 0 Color BJ Cartridge Multi Drop Check Normal reading Pin No 11 14 12 14 13 14 Approx 0 Scanner Cartridge Option ...

Страница 123: ...Measure Yes No Execute a test print END Remove and reinstall the BJ cartridge Print defects Yes No END 2 Replace the BJ cartridge 1 Replace the logic board 2 Replace the purge unit 3 Replace the carriage unit 1 Replace the ink cartridge Print defects even after cartridge replacement While the printer is on double click the RESET button A nozzle check pattern will be printed out Purge unit faulty C...

Страница 124: ...wn perform the error condition diagnosis and if it is known perform error recovery Yes No Printer environment and paper specifications check Yes No END 1 Replace the ink cartridge 2 Replace the BJ cartridge Required specifications met Use printing paper that meets the specifications Remove and reinstall the BJ cartridge Execute a test print Print defects Yes No END Conduction of carriage ribbon ca...

Страница 125: ...paper thickness lever is not set properly The problem occurs when the user s BJ cartridge causing the problem is installed in a normally operating printer The carriage guide frame is deformed Frictional wear between the carriage base and carriage shaft Check the printing mode The BJ cartridge is faulty Measures Use a soft cloth moistened with water to clean Clean a few times If problem persists re...

Страница 126: ...tings Printer driver settings Font Settings correct No Yes END Set the printer offline and execute a test print Print normal Transfer the print data from the host computer to the printer 1 Replace the interface cable 2 Replace the logic board Replace the logic board Set again Is the data printed correctly While the printer is on double click the RESET button The nozzle check pattern is printed out...

Страница 127: ...2 ID1 IN Cartridge detection and recognition signal 13 INKS2 IN OUT Cartridge detection and recognition signal 14 HVss Head s logic drive voltage HVdd GND 15 HENB0 Y OUT Heat enable 16 Even ENB OUT Even nozzle heat enable 17 HENB1 M OUT Heat enable 18 HENB3 B OUT Heat enable 19 Odd ENB OUT Odd nozzle heat enable 20 BENB1 OUT Block enable generation signal 21 BENB2 OUT Decoder output signal 22 BENB...

Страница 128: ... 19 STROBE GND 20 DATA1 GND 21 DATA2 GND 22 DATA3 GND 23 DATA4 GND 24 DATA5 GND 25 DATA6 GND 26 DATA7 GND 27 DATA8 GND 28 ACKNLG GND 29 BUSY GND 30 INT GND 31 INIT IN 32 ERROR OUT 33 GND 34 N C 35 5 0V 36 SELECT IN IN J3 CNCR Carriage motor connector Pin No Signal name IN OUT Description 1 CRA OUT Carriage motor phase A 2 CRA OUT Carriage motor phase A 3 CRB OUT Carriage motor phase B 4 CRB OUT Ca...

Страница 129: ...BENB2 OUT Decoder output signal 22 BENB3 OUT 23 HVdd OUT IC drive voltage 5 V 24 HCLK OUT Print data transfer signal 25 HLATCH OUT Timing signal for print data to latch 26 HRES OUT Latch reset signal 27 HENB2 C OUT 28 HDATA OUT Printing data 29 DIODEK IN Head temperature sensor diode cathode 30 HPO IN Home position sense High Low sense 31 HPG Ground 32 HPA OUT Photo LED drive Pins 1 to 29 on the c...

Страница 130: ...al 14 HVss GND Head s logic drive voltage HVdd GND 15 HENB0 IN Heat enable 17 HENB1 IN Black BJ cartridge Uses only pin No 15 and 17 27 HENB2 IN Color Photo BJ cartridge Uses all pins 18 HENB3 IN The respective color is show in parentheses 16 Even ENB IN Even nozzle heat enable 19 Odd ENB IN Odd nozzle heat enable 20 BENB1 IN Block enable decoder s output generation signal 21 BENB2 IN Block enable...

Страница 131: ... Not used ID0 12 ID1 IN Not used ID1 14 Vss GND GND HVss 19 COM 0 REN IN Register enable Odd ENB 20 COM 1 RWR IN Register write clock signal BENB1 21 COM 2 RDT IN Register data signal BENB2 22 COM 3 N C Not used BENB3 23 Vdd IC driver voltage 5 Vdc HVdd 24 S CLOCK OUT Scan data transfer signal HCLK 25 S SYNE IN Line start signal HLATCH 26 S RES OUT System reset signal HRES 28 S DATA OUT Scan data ...

Страница 132: ...Part 5 Maintenance BJC 2000 5 28 7 CIRCUIT DIAGRAMS 7 1 Parts Layout 7 1 1 Logic board Figure 5 6 Logic Board Top View ...

Страница 133: ...R11 22 1 16W 1M 1 16W CP14 CP15 CP16 PE2 PA4 PA3 VDD20 VSS19 PA2 PA1 PA0 P86 P83 P37 P34 VSS18 X0 X1 VDD19 VSS17 RES RES P71 SCLK TXD RXD STB VDD18 VSS16 IFD0 IFD1 IFD2 IFD3 VDD17 IFD4 IFD5 IFD6 IFD7 VSS15 ACK BUSY PE SLCT VDD16 VSS14 AFXT INIT FAULT SELIN P64 VSS13 VDD15 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177...

Страница 134: ... IC7 VM E B C B C B C B C E LFB LA LB LA LB LFB LFA LFA 3 1 1 2 3 4 5 6 7 8 9 10 5 2 4 RA8 2 2K 0 0625 8 6 4 2 1 7 5 3 RA7 4 7K 0 0625 8 1 3 5 7 2 4 6 C203 C204 VM G VH G 5V VM G FB13 ZD3 C205 C133 C132 FU1 LM13 VSLCT L 1000p 50V 100p 35V 1000p 50V RD6 8583 CNPW J1 VM VH VM VH 24 0V VH VM GND GND Vcc 1 2 3 4 01 B7 01 E7 01 B7 01 C7 01 B7 01 A4 01 D7 01 B7 01 B7 01 B7 01 D7 01 D7 01 D7 01 D7 01 D7 ...

Страница 135: ......

Страница 136: ...The printing paper contains 70 waste paper PRINTED IN JAPAN IMPRIME AU JAPON CANON INC ...

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