Canon BJC-50 Instrukcja Obsługi

BJC-50SERVICEMANUALCanon

IV. TABLE INDEXPagePart 3: OPERATING INSTRUCTIONS3 -12 Table 3- 1 Error Display3 -15 Table 3- 2 Function Setting (1)3 -15 Table 3- 3 Function Setting

b) IrDA standardTo connect data transmission devices using infrared communication, the protocolsphysical and transport layers have been standardized.1

2.2 720 dpi Printing/Smoothing Feature2.2.1 Canon extension modeIn Canon extension mode, the printer driver creates 720 dpi data for the horizontalaxi

2.3 Printing ModesDepending on the cartridge installed, the medium, the printing mode, the resolution,the print data, etc., the printer varies the car

2.4 Optimum Printing Direction ControlTo prevent vertical misalignment of the printed characters, etc., when print data isprinted continuously in the

2.6 Lithium Ion Battery Recharging2.6.1 Switching to recharge modeThe lithium ion battery must always be installed in the printer as the rechargingcir

3. PRINTER MECHANISM3.1 Overview of the Mechanical System of the Printer The mechanical system of the printer is comprised of the ink/BJ cartridge, pu

3.1.1 Mechanical system configurationa) Ink/BJ cartridgeThe black BJ cartridge (BC-10) has a 360-dpi resolution and 128 nozzles, and thecolor BJ cartr

3.2 BJ Cartridge3.2.1 Color BJ cartridge structureThe color BJ cartridge contains a 136-nozzle print head (64 black nozzles, 24 yellownozzles, 24 mage

3.2.2 Black BJ cartridge structureThe black BJ cartridge contains a 128-nozzle print head, and the print head andblack ink cartridge can be replaced r

3.2.3 Bubble jet head-unit structurea) Bubble jet nozzlesThe ink in the ink sponge is filtered through a meshed ink filter, and is fed to thebubble-je

Part 1SAFETY ANDPRECAUTIONSPage1 - 1 1. PERSONAL SAFETY PRECAUTIONS1 - 1 1.1 Moving Sections of the Printer1 - 2 1.2 Ink Stains1 - 4 1.3 BJ Cartridge

b) Nozzle arrangementThe bubble jet nozzles are arranged in a vertical line at intervals of 1/360 inch.c) Signal contact partThe signal contact part o

4-25BJC-50Part 4: Technical ReferenceTABLE 4-2 SIGNAL CONTACT PARTPin No.1234567891011121314151617181920212223242526272829Signal nameVHG (LAMPG)VHG (L

3.2.4 Head-maintenance function and structurea) Cleaning functionCleaning operation is performed to correct the print quality problem, which iscaused

b) Purging Purging is performed to correct/prevent the non-ejection of ink, which is caused byunnecessary bubbles and dust on the head faceplate.The c

3.3 Purge Section Structure3.3.1 Configurationa) Cap sectionWhen the carriage is at the home position, the cap is pressed against the print headfacepl

3.3.2 OperationThe purge section is driven by the paper feed motor.The paper feed motor drives the paper feed gear through the paper feed double gear.

3.4 Paper Feed Mechanism3.4.1 Outline of paper feed mechanismIn this printer paper is fed manually, one sheet at a time.The paper feed mechanism of th

c) Automatic head-to-paper adjustmentA coil spring pushes up the eject idle roller and the eject roller towards the paperfeed roller and the spurs to

3.5 Carriage Section3.5.1 Carriage section functiona) Ink/BJ cartridge mounting functionThe carriage holds the BJ cartridge and connects it electronic

3.5.2 Carriage section structurea) BJ cartridge mounting sectionThe BJ cartridge is fixed to the carriage by the carriage contact spring.When the BJ c

4. PRINTER ELECTRICAL SYSTEM4.1 OverviewThe electrical system is handled by the control section and the power supply section.The printer control secti

4.2 Signal Control Section4.2.1 Control board block diagram4-35BJC-50Part 4: Technical ReferenceLithiumIonBatteryRe-chargeCircuitABAnalogSwitchCR Moto

4.2.2 Control section componentsa) ASIC (IC6)The ASIC is comprised of the MPU section and the printer controller section. It hasa built-in 16-bit CPU

2) Printer controller sectionThe printer controller contains the parallel interface controller, print headcontroller, scanner head controller, CR moto

c) DRAM (IC4)Controlled by the ASIC, the 4 M-bit DRAM is used as a receive buffer, downloadbuffer, print buffer, and working area.d) Paper feed motor

4.3 Power Supply Section4.3.1 Block diagram of power supply section4-39BJC-50Part 4: Technical ReferenceDC/DCConverterVcc2, Vcc3DC/DCConverterVcc1Vcc

4.3.2 Power supply section structurea) Input power supplyThe voltage input to the power supply section is 13.5 ± 0.5 VDC. It is supplied bytwo source

4.3.3 Lithium Ion Battery Recharging Circuit4-41BJC-50Part 4: Technical ReferenceVppVppVcc1ICP2VppVcc1CTCHGLEVBATLEVASICCHG-ONDCLEVBattery VoltageDete

a) Pre-recharging CircuitWhen the lithium ion battery voltage is low, the pre-recharging circuit and smallamounts of electrical current are used to ra

c) Battery temperature detectionThe thermistor inside the lithium ion battery pack measures the internal batterytemperature and detects whether the ba

1. PERSONAL SAFETY PRECAUTIONS1.1 Moving Sections of the PrinterBe careful not to let your hair, clothes, accessories, etc., become caught in any of t

5. DETECTION FUNCTIONThe printer uses HP sensor, paper end sensor, delivery sensor, inside temperature sensor,and head temperature sensor. Also, the

5.6 Waste Ink Level DetectionInk ejected by the maintenance jet or collected from purging during recovery isabsorbed by the waste ink absorber. The t

6. SCANNER CARTRIDGE6.1 Scanner Cartridge OverviewThe scanner cartridge is a replaceable scanner unit that carries a one-line 128 pixelBASIS. The sca

6.2 Scanner Cartridge Structure1) LEDRed, green and blue LEDs are used to illuminate the scanning document. ToCompensate for the low intensity of the

8) Scanner controllerThe scanner controller is an IC that controls the BASIS and processes the analogsignal output from the BASIS. The scanner contro

6.3 Signal ContactsThe scanner cartridge is recognized by TOP.S, DIAS and CCHK signals. The scannedimage output to the printer is transmitted with a

6.4 Scan Mode6.5 CalibrationThe process of sampling and collecting data such as the printer's internal temperature,black standard data and white

Part 5MAINTENANCEPage5 - 1 1. MAINTENANCE5 - 1 1.1 Periodically-replaced Parts5 - 1 1.2 Consumables5 - 1 1.3 Periodic Maintenance5 - 2 2. SERVICE TOOL

1. MAINTENANCE1.1 Periodically-replaced Parts1.2 Consumables1.3 Periodic Maintenance5-1BJC-50Part 5: MaintenanceLevelUserService engineerPeriodically-

1.2 Ink Stains1.2.1 Ink pathBe careful not to touch the ink path of the printer and get stains on the work table,hands, clothes, etc., during repair.T

2. SERVICE TOOLS2.1 List of ToolsPart 5: MaintenanceBJC-505-2General toolPhillips screwdriverFlathead screwdriverMulti MaterTweezersUseFor removing sc

3. APPLYING THE GREASEThe points to grease with a special tool are shown below.Apply a thin coat of grease to the specified points. See the Part Cata

4. ADJUSTMENTNo parts need to be adjusted.Part 5: MaintenanceBJC-505-4

5. TROUBLESHOOTING5.1 Overview of Troubleshooting5.1.1 DefinitionTroubleshooting consists of error condition diagnosis, which is required if the cause

5. Several measures may be described in the error condition diagnosis and errorrecovery.They are shown in each step to be done to solve the problem.Do

5.2 Error Condition Diagnosis5.2.1 Diagnosis flowchart5-7BJC-50Part 5: MaintenanceInsert the DC jackof the universal adapter.Is the printerin the fact

Part 5: MaintenanceBJC-505-8Press thePOWERbutton.Correct?Read the hardwarepower-on time, softwarepower-on time, and capclose time from theEEPROM.Read

5-9BJC-50Part 5: MaintenanceCorrect?Is it detected?NoYesYesNoIs the homepositiondetected?NoYesIf it is 84000mg or higher,waste ink full error.If it is

Part 5: MaintenanceBJC-505-10Is the paperfed out?NoYesIs a BJ cartridgeinstalled?NoYesPaper output error.Move the carriageto the head replacementposit

5.2.2 Error recoverya) Error display<Cause> During initialization, the content in ROM cannot beread.<Suspected parts> Flash ROM/FONT ROM&l

1.2.2 Ink mistThe BJ cartridge ejects the ink onto the paper. After the printer has been used for along time or under heavy duty use, a small amount

<Cause> The home position sensor cannot detect the carriage.<Suspected part> Home position sensor, carriage motor,paper feed motor, contro

When replacing the control board, check the quantity of waste inkabsorbed in the waste ink absorber in the printer base unit, and reset thequantity of

<Cause> Print position correction cannot be detected properly.<Suspected part> Carriage motor, control board,homeposition sensor<Measur

<Cause> The head temperature has risen excessively.<Suspected part> BJ head or control board<Measure>5-15BJC-50Part 5: Maintenance8.

Part 5: MaintenanceBJC-505-16Check the BJ headtemperature sensorresistance.Check the carriageribbon cable.Correct?YesNoCorrect?YesNoReplace the print

<Cause> The BJ cartridge is removed from a position other thanthe BJ cartridge removal position.<Suspected part> BJ cartridge or control b

<Cause> The recharge current exceeds the standard value.<Suspected part> • Control board.• The contact points between the lithium ionbatte

<Symptom>• Paper cannot be fed. More than one sheet is fedat a time.• Paper is not loaded horizontaly. Paper is notoutput.<Cause> The pa

<Cause> This error appears when the carriage is returned tothe home position without the BJ cartridge installed,orwhen presence of BJ cartridge

<Cause> The manual fed cut sheet is not inserted far enoughinto the printer for the paper feed roller to grab it.The paper end sensor detects th

1.3 BJ Cartridge Aluminum PlateDo not touch the aluminum plate of the BJ cartridge. The aluminum plate heats upduring printing and becomes particular

The ink low warning is displayed when the ink low warning functionis enabled in the exclusive printer driver.<Cause> Remaining ink in the ink ta

b) Symptoms<Symptom>• When the POWERbutton is pressed, the printerdoes not turn on.• When POWERbutton is pressed, the printerdoes not start init

<Symptom>• LED does not light.• The buzzer does not sound.Test printing cannot be done.• Operation buttons are ineffective.<Cause> The LED

<Symptom>• The installed BJ cartridge is not recognized.• When the BJ cartridge is installed, the carriagereturns to the replacement position.•

<Symptom>• The printer does not print at all.• The printer does not print in the middle.• The printer does not print one or more colors.<Caus

<Symptom>• The print is blurred.• White streaks appear.<Cause> The BJ cartridge, carriage ribbon cable, purge unit, orpaper feed unit is d

Part 5: MaintenanceBJC-505-286. Print Defect <3>Other PrintProblemsSymptom¥ Smeared paper¥ Spur tracks appear¥ Misaligned verticallines appear¥

<Symptom>• No printing• An unspecified font is used to print characters.• Text is printed in an unspecified color.<Cause> The printer driv

Part 5: MaintenanceBJC-505-30SymptomNo head errormessageHead mismatch errormessagePaper feed errormessagePaper delivery errormessageIrregular scannedg

6. CONNECTOR POSITION & PIN ALIGNMENT6.1 Control BoardCNIF1 (Parallel Interface Connector)5-31BJC-50Part 5: MaintenancePin No.12345678910111213141

2. MACHINE PRECAUTIONS2.1 BJ Cartridge2.1.1 BJ cartridge handlingTo prevent clogging at the nozzles due to foreign matters, never touch the nozzlesect

CNH1 (Cartridge Ribbon Cable Connector)Part 5: MaintenanceBJC-505-32Pin No.1234567891011121314151617181920212223242526272829Signal nameVHG (LAMPG)VHG

CNIR1 (IrDA Module Connector)5-33BJC-50Part 5: MaintenancePin No.12345678910Signal nameGNDMODE+5.0V (Vcc1)GNDRXD/PRXDGNDTXD/PTXDGND+5.0V (Vcc1)GNDIN/O

The BJ cartridge or the scanner cartridge is recognized by the pin No. of connectorCNH1 on the control board or by a combination of ID1 and ID0 as sho

CNOP1 (Optional ASF and Connector)CNSEN1 (Home Position Sensor/Paper End Sensor Connectors)CNSEN2 (Paper Delivery Sensor Connectors)5-35BJC-50Part 5:

6.2 Carriage Ribbon CablePart 5: MaintenanceBJC-505-36291125647891014 13 12 1131516 17 18 192723 22 21 2024 25 2628 29Figure 5-11 Carriage Ribbon Cabl

6.3 BJ Cartridge BC-11e6.4 Scanner Cartridge IS-125-37BJC-50Part 5: MaintenanceI-DATADIKDCLKLT-CLKRESETVDDB-ENB2B-ENB1B-ENB0EVENHEAT-BHEAT-DODDHEAT-CH

7. CIRCUIT DIAGRAMS7.1 Parts Layout7.1.1 Control board (Upper section)Part 5: MaintenanceBJC-505-38

7.1.2 Control board (Lower section)5-39BJC-50Part 5: Maintenance

Part 5: MaintenanceBJC-505-40This page intentionally left blank

BJC-50Part 5: Maintenance12345678910ABCDEFGCONTROL PCB ASS'Y 01Vpp Vcc1Vcc1Vcc1 Vcc2 Vcc3 VifVHVppCNBT112F1ZD1C10.1µ,25VC22200µ,25VR122K,1/16W,DD

2.1.2 Automatically cappingWhen the power is switched off with the POWERbutton, the printer automaticallycaps the nozzle section of the BJ cartridge t

BJC-50Part 5: Maintenance12345678910ABCDEFGCONTROL PCB ASS'Y 021234567891011121314151617181920212223242526272829303132333435363738394041424344292

BJC-50Part 5: Maintenance12345678910ABCDEFGCONTROL PCB ASS'Y 03FONT ROM(8M)IC10Vcc1Vcc1Vcc120161610A <20..1>D <15..0>MD <15..0>

BJC-50Part 5: Maintenance12345678910ABCDEFGCONTROL PCB ASS'Y 041234567891011121314151617181920212223242526Vcc1OP-VHVifVcc1CNIF1STROBEDATA1DATA2DA

BJC-50Part 5: Maintenance12345678910ABCDEFGCONTROL PCB ASS'Y 05Vcc1 VppVH VHVcc1Vcc1Vcc1CRREF2BCRMBCRMMTSTBQ22123321Q23R9410K,1/16WR950.39,1/2WR9

PRINTED IN JAPAN (IMPRIME AU JAPON) CANON INC.The printing paper contains70% waste paper.

2.2 Ink Cartridge2.2.1 Ink cartridge handlingTo prevent poor ink suction due to foreign matters on the ink filter of the print headbody, never touch t

Target ReadersThis manual is published by Canon Inc. for qualified persons and contains the necessary technicalinformation for technical theory, insta

2.3 Lithium Ion Battery Handling2.3.1 Initial precautionsThe enclosed lithium ion battery must be installed in the printer and charged prior toits use

2.4 Printer Handling2.4.1 Precautions to prevent damage from static electricityThe electrical charge accumulated on a person when clothes rub can dama

2.4.2 Ink leakage precautionsDo not carry, pack or store the printer without a BJ cartridge installed. The inkwithin the cap section will flow back a

3. PRECAUTION FOR SERVICE3.1 Precautions Concerning the Memory DataThis printer counts the total waste ink amount for the black BJ cartridge and the c

3.2 Precautions to Prevent Damage from Static ElectricityThe electrical charge accumulated on a person when clothes rub can damage electricelements or

3.3 Precautions for Disassembly/AssemblyThe printer is made by combining many plastic parts. When disassembling the printer,be careful not to brake o

When replacing the IrDA unit, be careful not to touch the light emitting and receivingparts. (Touching these parts may offset the optical axis or soi

Part 2PRODUCTSPECIFICATIONSPage2 - 1 1. PRODUCT OUTLINE2 - 1 1.1 Product Outline2 - 2 1.2 Features2 - 3 1.3 BJ Cartridge2 - 5 1.4 Options2 - 8 1.5 Con

1. PRODUCT OUTLINE1.1 Product OutlineThe BJC-50 bubble-jet full-color portable printer was carefully designed to improvemobility and it is more porta

II. ABOUT THIS MANUALThis manual is divided into five parts containing the information required for servicing the BJC-50 printer.Part 1: Safety and P

1.2 Features1.2.1 Printer¥ Compact portable sizeExternal dimensions: 300 mm (11.8") W × 112.5 mm (4.4") D × 49 mm (1.9") HWeight: Appro

1.3 BJ Cartridge1.3.1 Color BJ cartridge [BC-11e]The BC-11e color BJ cartridge used for color printing is disposable. It comprises theprint head with

1.3.2 Black BJ cartridge [BC-10]The BC-10 black BJ cartridge used for super-high speed monochrome printing isdisposable. It combines the print head w

1.4 Options1.4.1 BJ cartridge containerThe BJ cartridge container is for storing BJ cartridges removed from the printer.When storing a BJ cartridge cl

1.4.3 Universal adapter (AD-360U)There is an Universal adapter adapted for each country to supply DC voltage to theprinter.There is also a Universal a

1.4.4 Color image scanner cartridge (IS-12)The printer can be used as a color scanner when the color image scanner cartridge(IS-12) is installed in th

1.5 Consumables1.5.1 BJ cartridge (Color and Black)Replacement BJ cartridges are the same as the ones supplied with the printer.1.5.2 Ink cartridgeThe

2. SPECIFICATIONS2.1 General Specifications1. Type Portable serial printer (Bubble jet ink on-demand)2. Paper handling Manual sheet feed3. Sheet feede

10. Printing charactersType face Roman, Gothic, Courier, Prestige and DraftPitch BJ mode 10, 12, 17 cpi, and PSLQ mode 10, 12, 15, 17, 20 cpi, and PSC

16. BJ cartridge1) BC-11eType Ink cartridge replaceable type of color BJ cartridge (large and small ink droplet producing type.)Print head 136 nozzles

II. TABLE OF CONTENTSPagePart 1: SAFETY AND PRECAUTIONS1 - 1 1. PERSONAL SAFETY PRECAUTIONS1 - 1 1.1 Moving Section of the Printer1 - 2 1.2 Ink Stain

20. Power supply [using the Universal adaptor (AD-360U)]21. External dimensions300 mm (11.8") W × 112.5 mm (4.4") D × 49 mm (1.9") H22.

2.2 Paper Specifications1. Paper sizeLetter (8.5" × 11")Legal (8.5" × 14")A4 (210 mm × 297 mm)A5 (148.5 mm × 210 mm)B5 (182 mm × 2

4. Printing range1) Plain paper and special mediaThe shaded position in the following figure shows the recommended printing area forpapers and special

2.3 Interface Specifications2.3.1 Parallel interface1) Interface Type: Bidirectional Centronics Interface (IEEE 1284compatible)2) Operation mode: Comp

8) Input / output signals● COMPATIBILITY MODESTROBE [Input]:When the printer receives the STROBE signal low pulse width must be greater than1.0 µs fro

ERROR [Output]:The printer sets the ERROR signal low if the printer detects an error or out-of-papercondition.SELECT IN [Input]:The DC1 and DC3 contro

● ECP MODESTROBE [Input] (Host Clk):STROBE signal handshakes with the BUSY signal (Periph Ack) to transmit data fromthe computer to the printer during

9) Timing2-19BJC-50Part 2: Product SpecificationsBUSYACKNLG3.5µs min.1.0µsminDATA1-8STROBE1.0µsmin1.0µsminFigure 2-12 Timing Chart (Compatibility Mode

2.3.2 Infrared interface1. IrDA Interface1) InterfaceIrDA Version 1.0 compatible2) Optical specificationsLight generationWavelength: 0.85 to 0.90 µmIn

2. ASK Interface1) InterfaceSHARP Liquid Crystal Pen Computer: ZAURUS compatible2) Optical specificationsLight generationWavelength: 0.85 to 0.90 µmIn

PagePart 3: OPERATING INSTRUCTIONS3 - 1 1. PRINTER SETUP3 - 1 1.1 Unpacking3 - 2 1.2 Installation3 - 2 1.2.1 Installation space3 - 3 1.2.2 Installati

2.4 Character Code TablesCode page 437Code page 850Part 2: Product SpecificationsBJC-502-22

Code page 860Code page 8632-23BJC-50Part 2: Product Specifications

Code page 865Code page 857Part 2: Product SpecificationsBJC-502-24

Code page 855Code page 8522-25BJC-50Part 2: Product Specifications

Code page 864Code page 869Part 2: Product SpecificationsBJC-502-26

Part 3OPERATINGINSTRUCTIONSPage3 - 1 1. PRINTER SETUP3 - 1 1.1 Unpacking3 - 2 1.2 Installation3 -10 1.3 Names and Functions of Parts3 -11 2. TRANSPORT

1. PRINTER SETUP1.1 UnpackingAfter unpacking, check that you have the following:3-1BJC-50Part 3: Operating InstructionsLithium IonBattery (LB-50)Inter

1.2 Installation1.2.1 Installation spaceInstall the printer with the clearances given below for the printer to be operatedefficiently. The spaces req

1.2.2 Installation procedurea) Connecting the Universal adapterInsert the DC plug into the Universal adapter connector of the printer and the ACplug o

Page4 -18 2.6 Lithium Ion Battery Recharging4 -18 2.6.1 Switching to recharge mode4 -18 2.6.2 Recharge protection4 -18 2.6.3 Recharge control4 -19 3.

c) Connecting the Infrared interfaceWhen transmitting data from the computer to the printer through the built-in IrDA,beware of the following:¥ The pr

d) Switching on the powerMake sure the lock switch is not locked and then press the POWERbutton to switchon the power. When the printer is powered up

2) Installing the BJ cartridgeOpen the printer head cover, and install a BJ cartridge in the carriage.Press the CARTRIDGEbutton to return the carriage

f) Replacing the ink cartridgeThe ink cartridge of the black BJ cartridge and color BJ cartridge can be replaced.(BCI-10, BCI-11 Bk, BCI-11 color)1) I

3) Installing the ink cartridgeTake out the ink cartridge from its packaging, remove the protective cap for the inkinlet as shown in the figure, and i

h) Manual paper feedingOpen the paper feeding tray and manually feed paper one sheet at a time. Align theleft side of the paper with the left side of

1.3 Names and Functions of PartsThis section describes the names of the parts of the printer and their functions.Part 3: Operating InstructionsBJC-503

2. TRANSPORTING THE PRINTERWhen carrying or transporting the printer, leave the BJ cartridge in or place it in thecartridge container to prevent ink l

3. PRINTER SERVICING FUNCTIONS3.1 Error IndicationsThe LED in combination with the beeper indicates the nature of 3 kinds of errors: fatal,error and

Recoverable errors by customer:1) Paper pick-up error:Occurs when the paper cannot be fed properly.2) Paper delivery error:Occurs when the printed pap

Page5 - 3 3. APPLYING THE GREASE5 - 4 4. ADJUSTMENT5 - 5 5. TROUBLESHOOTING5 - 5 5.1 Overview of Troubleshooting5 - 5 5.1.1 Definition5 - 5 5.1.2 Prec

15) Print position detection error:Occurs during when the home position cannot be detected during the print positiondetection process.16) Failed recha

3.2 Function SettingEach printer function settings are set from the host computer using the printer setuputility in an exclusive Windows compatible dr

3.3 Control Buttons3.3.1 Cleaning the BJ cartridgeIf the printed image is blurred or a print defect occurs, such as a white steaking, printa test patt

3.4 Self Test PrintThe printer has the "off-line" self test function which can be executed withoutconnection to a computer.This section expl

3.4.1 Demonstration printPart 3: Operating InstructionsBJC-503-18Figure 3-13 Demonstration Print (Sample)

3.4.2 Function settings list print3-19BJC-50Part 3: Operating InstructionsFigure 3-14 Function Settings List Print (Sample)

3.4.3 Ripple pattern printPart 3: Operating InstructionsBJC-503-20Control ROM versionNumber of monochrome prints -Total number of monochrome dotsNumbe

3.4.4 Nozzle check pattern printPrint out this pattern using all nozzles of the BJ cartridge. In the event that printdefects appear, perform a cleani

3.5 Hexadecimal Dump Test PrintThe printer has the "on-line" self test function that outputs hexadecimal dump datawhen it is connected to a

3.6 EEPROM Data Setting3.6.1 EEPROM data setting modeThe required EEPROM data is set in this mode when replacing the control PCBassembly or the printe

III. ILLUSTRATION INDEXPagePart 1: SAFETY AND PRECAUTIONS1 - 1 Figure 1 - 1 Moving Sections of the Printer1 - 2 Figure 1 - 2 Ink Path1 - 3 Figure 1 -

3.6.3 Displaying EEPROM dataThe EEPROM contains the total waste ink amount and the total number of pages fed,which are counted while the printer is us

3.6.4 EEPROM settings list print3-25BJC-50Part 3: Operating InstructionsFigure 3-20 EEPROM Settings List Print (Sample)

3.7 Rewriting Flash ROM3.7.1 Flash ROM rewrite modeThis mode can only be accessed by a service person. The flash ROM program can berewritten using th

If you get a rewrite error, reset the following:Follow these procedures when an error occurs:DATA error:Occurs after each rewrite data has been transf

Part 3: Operating InstructionsBJC-503-28This page intentionally left blank

Part 4TECHNICALREFERENCEPage4 - 1 1. OVERVIEW4 - 1 1.1 Printer Block Diagram4 - 2 1.2 Initial Flowchart4 - 4 1.3 Print Signal Flow4 - 5 1.4 Print Driv

1. OVERVIEW1.1 Printer Block Diagram4-1BJC-50Part 4: Technical ReferenceCNBTCNIR1 CNIF1EEPROMLithium Ion BatteryASICControl BoardUniversalAdapterCNDC1

1.2 Initial Flowchart1.2.1 Print modePart 4: Technical ReferenceBJC-504-2Insert the DC plugof the UniversaladaptorSoftware initializationPaper feed mo

1.2.2 Scanner modeWhen powered on, the printer starts up in the printer mode regardless of the printerhead type.Once the printer is on, it stands by t

Page3 -24 Figure 3 -19 Waste Ink Absorber (50% Used Sample)3 -25 Figure 3 -20 EEPROM Settings List Print (Sample)Part 4: TECHNICAL REFERENCE4 - 1 Fig

1.3 Print Signal FlowThe print signal flow from when the printer receives the print data to when printing isexecuted is described below.a) The print d

1.4 Print DriveThe printer outputs control signals from the ASIC's printer controller to the BJ head toeject ink from the BJ head for printing.Th

The HEAT ENABLE signals control the ejection of small and large ink droplets asfollows:For each color, (Y, M and C), HENB B and A signals drive the fr

1.5 Scanner DriveThe scanner cartridge is recognized by the scanner cartridge contacts and TOP.S,C.CHA and C.CHK signals. These three signals are equ

1.6 Power Off Operation FlowWhen the printer is turned off by unplugging the DC power cord, thepower off operation is interrupted and stopped. Head c

2. FIRMWARE2.1 InterfaceThe printer supports a parallel interface and IrDA interface. The parallel interface iscompatible with the bidirectional Cent

2.1.2 Nibble modeIn nibble mode, the printer transfers data twice to the host computer in 4-bit units.The data is transferred with the PtrClk signal a

2.1.3 ECP modeIn ECP mode, the PeriphAck signal and the HostClk signal handshake tocommunicate.After the host computer negotiates with the printer, th

2.1.4 IrDAIrDA is an IrDA (1.0) conforming infrared serial communicating device that is built-inon the back side of the printer. Input and output of

¥ Base band transmission format (IrDA)¥ Carrier transmission format (ASK)4-13BJC-50Part 4: Technical ReferenceInfraredTransmitterSerialCommunicationCo