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Part 5: Maintenance

BJC-1000

5-3

3. DISASSEMBLY AND REASSEMBLY

3.1 Disassembly and Reassembly

When disassembling or reassembling the printer, refer to the parts catalog. In the
parts catalog, figure numbers are in the order of disassembly. Close-up diagrams are
also provided for additional detail.

3.2 Disassembly and Reassembly Cautions

When disassembling or reassembling the printer, note the following precautions. These
cautions are also provided in the parts catalog.

Содержание Color Bubble Jet BJC-1000 Series

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Страница 4: ...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 without t...

Страница 5: ...ions This section explains how to operate the unit properly and contains information required for installation and service 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 ...

Страница 6: ...ions 1 9 3 4 Built in Self diagnostic Functions 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 and Photo BJ cartridges 2 3 1 3 2 Black BJ cartridge 2 4 1 4 BJ Cartridge Container 2 4 1 5 Consumables 2 4 1 5 1 BJ cartridges Black Color and Photo 2 5 2 SPECIFICATIONS 2 5 2 1 General Specifications 2 7 2 2 Paper Specif...

Страница 7: ...n Control 4 8 3 PRINTER MECHANICAL SYSTEM 4 8 3 1 Overview 4 8 3 1 1 Mechanical components 4 10 3 2 BJ Cartridge 4 10 3 2 1 Black BJ cartridge structure 4 11 3 2 2 Color Photo BJ cartridge structure 4 12 3 2 3 Bubble head unit structure 4 17 3 3 Purge Unit 4 17 3 3 1 Purge unit functions 4 18 3 3 2 Purge unit structure 4 19 3 4 Carriage 4 19 3 4 1 Carriage functions 4 20 3 4 2 Carriage structure 4...

Страница 8: ...3 Logic Board and Bottom Cover Replacement Cautions 5 4 3 3 1 Logic board replacement cautions 5 4 3 3 2 Cautions after replacing the bottom cover 5 5 4 TROUBLESHOOTING 5 5 4 1 Troubleshooting 5 5 4 1 1 Overview 5 5 4 1 2 Troubleshooting cautions 5 7 4 2 Error Condition Diagnosis 5 7 4 2 1 Initial self check 5 9 4 2 2 Error recovery 5 21 5 LOCATION SIGNAL ASSIGNMENT 5 21 5 1 Logic Board 5 23 5 2 C...

Страница 9: ... 5 Figure 3 7 BJ Cartridge Container 3 6 Figure 3 8 Never unplug the power cord less than one minute after completing an operation 3 7 Figure 3 9 Banner Printing 3 8 Figure 3 10 Name of the Parts and Their Functions 1 3 9 Figure 3 11 Name of the Parts and Their Functions 2 3 9 Figure 3 12 Paper Thickness Lever 3 11 Figure 3 13 Nozzle Check Pattern 3 12 Figure 3 14 Service Test Print 4 1 Figure 4 1...

Страница 10: ...re 4 23 Printer Electrical System 4 25 Figure 4 24 Logic Board Block Diagram 4 25 Figure 4 25 Printer Block Diagram 4 28 Figure 4 26 Sensors 5 2 Figure 5 1 Grease Application Points 5 4 Figure 5 2 Bottom Cover 5 21 Figure 5 3 Logic Board 5 23 Figure 5 4 Carriage Ribbon Cable 5 24 Figure 5 5 Contact Pad 5 25 Figure 5 6 Logic Board Top View 5 26 Figure 5 7 Logic Board Bottom View VI ...

Страница 11: ...EFERENCE FOR SETTING 3 10 TABLE 3 2 ERROR INDICATIONS 3 13 TABLE 3 3 DEFAULT SETTING WHEN RESETTING THE EEPROM 4 6 TABLE 4 1 PRINTING MODES AND HEATING METHODS 4 29 TABLE 4 2 LIST OF SENSOR FUNCTIONS 5 23 TABLE 5 1 BJ CARTRIDGE RECOGNITION VII ...

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Страница 13: ...E PRECAUTIONS 1 4 2 1 Precautions for Handling BJ Cartridges 1 5 2 2 Printer Handling 1 7 3 PRECAUTIONS FOR SERVICE 1 7 3 1 EEPROM Data Precautions 1 8 3 2 Static Electricity Precautions 1 9 3 3 Disassembly and Reassembly Precautions 1 9 3 4 Built in Self diagnostic Functions Part 1 SAFETY AND PRECAUTIONS ...

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Страница 15: ...re driven by the carriage motor and the slow down gear paper feed roller pressure roller eject roller spurs and pick up roller etc are driven by the paper feed motor Be careful not to touch the spurs as they are sharply pointed Part 1 Safety and Precautions BJC 1000 1 1 Figure 1 1 Moving and Rotating Parts Eject Roller Paper Feed Roller Pressure Roller Paper Feed Motor Slow Down Gear Idler Roller ...

Страница 16: ... harmful substance to the human body but it does contain organic solvents Black ink isopropyl alcohol 67 63 0 glycerin 56 81 5 Color ink isopropyl alcohol 67 63 0 glycerin 56 81 5 Take care not to get ink in the mouth or eyes If ink does get into the eyes wash it out with plenty of water and consult a doctor immediately If for some reason a large amount of the ink is swallowed consult a doctor imm...

Страница 17: ... duty use a small amount of ink mist bouncing back off the paper during printing can dirty the inside of the front cover and platen area Wipe the dirty areas with a soft damp cloth as this ink can dirty the paper or the hands or clothing of service personnel Part 1 Safety and Precautions BJC 1000 1 3 Figure 1 3 Ink Mist Platen Front Cover ...

Страница 18: ...y out causing the nozzles to clog 2 1 2 When the printer is not in use BJ cartridges should be stored 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 or dry out causing the nozzles to clog 2 1 3 Transportation precautions When transporting the printer follow the procedure below 1 Disconnect ...

Страница 19: ...B and it is difficult to clean replace the PCB If ink has leaked inside the printer do not plug in the power cord It may damage the circuitry 2 2 Printer Handling 2 2 1 Spur deformation prevention Do not deform the spurs If spurs are deformed their contact area with the printed paper increases causing more ink to adhere This can lead to the paper becoming stained with ink A dotted line may appear ...

Страница 20: ... ribbon cable and BJ cartridge 2 2 3 Ink leakage precautions Do not carry pack or store the printer without a BJ cartridge installed The ink within the purge unit may flow back and contaminate the inside of the printer When packing up the printer make sure the carriage is in the capping position the right end of the platen Cap Head Figure 1 7 Capping Position Electrostatic Discharge Contact Points...

Страница 21: ...OM reset the total waste ink amount to zero by clearing the data 3 After bottom cover unit replacement After replacing the bottom cover unit 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 W...

Страница 22: ... to release the static electricity before disassembling the printer for servicing Before discharging static electricity do not touch electrical sections such as the logic board and contact points of the carriage ribbon cable see Figure 1 6 when the carriage ribbon cable is connected to the logic board Part 1 Safety and Precautions BJC 1000 1 8 Electrostatic Discharge Logic Board Figure 1 8 Printer...

Страница 23: ...nd do not pull plastic hooks with excessive force when unhooking them 3 4 Built in Self diagnostic Functions The printer has built in self diagnostic functions to detect hardware defects The results of self diagnosis are indicated on the host computer s screen as an error The host computer should be set in nibble mode and use the BJ status monitor under Windows 95 98 For details refer to Part 3 2 ...

Страница 24: ...Part 1 Safety and Precautions BJC 1000 1 10 This page intentionally left blank ...

Страница 25: ...t Outline 2 2 1 2 Features 2 3 1 3 BJ Cartridge 2 4 1 4 BJ Cartridge Container 2 4 1 5 Consumables 2 5 2 SPECIFICATIONS 2 5 2 1 General Specifications 2 7 2 2 Paper Specifications 2 9 2 3 Interface Specifications Part 2 PRODUCT SPECIFICATIONS ...

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Страница 27: ...e The printer is capable of high speed high quality 360 dpi 360 dpi H V printing Also with the black BJ cartridge smoothing can be used to obtain a resolution of 720 dpi 360 dpi H V This new compact printer is light in weight and very economically priced Part 2 Product Specifications BJC 1000 2 1 AC Adapter Parallel Interface Connector Paper Support Cut Sheet Feeder Paper Guide Reset button Front ...

Страница 28: ... With black BJ cartridge BC 02 and exclusive printer driver 5 Windows exclusive printer used with the Canon original printer driver 6 Photo printing capability 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 pr...

Страница 29: ...to BJ cartridge are integrated when one color ink runs out the BJ cartridge must be replaced Also when more than 6 months have passed after the cartridge is unpacked or if the printing quality is not improved even after cleaning the head over five times replace the BJ cartridge 1 3 2 Black BJ cartridge The black BJ cartridge holds black ink only The print head has 64 nozzles all of which are used ...

Страница 30: ...dges are Black BJ cartridge BC 02 About 450 sheets HQ mode 1500 character pattern continuous printing Color BJ cartridge BC 05 About 80 sheets HQ mode 7 5 duty per color pattern continuous printing About 100 sheets HQ mode 7 5 duty per color pattern intermittent printing Photo BJ cartridge BC 06 photo About 45 sheets HQ mode 7 5 duty per color pattern continuous printing Color print pattern for C ...

Страница 31: ... shirt transfer 1 page Banner paper 1 page 5 Paper size Letter 8 5 11 Legal 8 5 14 A5 148 mm 210 mm 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 Commercial number 10 or European DL size Transparencies Canon Transparencies CF 102 Back print film Canon Back Print Film BF 102 Glossy photo paper Canon Glossy Photo ...

Страница 32: ... black BJ cartridge Print head 64 nozzles in a vertical line Ink color Black No of pages printable Approx 450 pages HQ mode 1500 character pattern continuous printing Weight Approx 58 5g 2 1 oz BC 05 color BJ cartridge Print head 48 nozzles in a vertical line YMC 16 nozzles 3 Ink color Cyan magenta yellow Black is composite black No of pages printable Approx 80 pages HQ mode YMCBk 7 5 duty per col...

Страница 33: ...D 160 mm H 21 Weight Approx 2 2kg 4 9 lbs excluding BJ cartridge and option 2 2 Paper Specifications 2 2 1 Paper setting Media Thickness Lever Max stacking height Plain paper Left 5 mm LGL 10 pages Bubble jet paper Left 5 mm Envelopes Right 5 1 Transparencies Left 20 pages 1 Back print Film Left 10 pages 1 Glossy photo paper Right 1 page 1 High gloss film Left 1 page 1 High resolution paper Left 5...

Страница 34: ...Printing Area L R T B 6 4 mm 0 25 10 4 mm 0 41 1 12 7 mm 0 5 2 15 5 mm 0 61 Minimum 1 For Commercial number 10 envelopes 31 4mm 1 2 2 When using Fine mode photo printing T is 25 4 mm 1 0 minimum L T B R Feed direction Printable Area Minimum L R T B 3 4 mm 0 13 1 3 4 mm 0 13 1 3 0 mm 0 12 7 0 mm 0 27 Recommended Printing Area L R T B 3 4 mm 0 13 1 3 4 mm 0 13 1 12 7 mm 0 5 2 15 5 mm 0 61 Minimum 1 ...

Страница 35: ...l 57 40360 or equivalent On cable Amphenol 57 30360 or equivalent 7 Input output signals and pin layout 1 All RETs are connected to GND 2 N C means no connection 3 The level is connected with 5 0V through 390Ω resistor 4 The level is connected with 5 0V through 3 3kΩ resistor 5 These signals are effective only in LQ printer control mode Part 2 Product Specifications BJC 1000 2 9 Compatible mode No...

Страница 36: ...gnal is High the printer is BUSY when Low the printer is READY The signal goes High when data is received when the 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 ...

Страница 37: ...e of each bit of this signal must be maintained for at least 0 5 µs from the rising edge of the Host Clk signal Ptr Clk Output Reverse data transmission phase The printer requests the host computer to read the data by making the Ptr Clk signal Low After finishing reading the host computer notifies peripheral equipment of completion of data receiving by making the Host Busy signal High Ptr Busy Out...

Страница 38: ...ets the printer control system to the initial state This signal is normally High and the pulse width must be at least 0 5 µs at the printer side After initializing the printer enters the compatible mode DataAvail Output Reverse data transmission phase Indicates bit 0 and bit 4 of the transmission data Negotiation phase Informs the host computer if there is reverse transmission data or not in synch...

Страница 39: ...8 Min Min STROBE Figure 2 9 Timing Chart Compatible Mode Printer Busy Status 0000 0000 Ptr Host Bit0 Bit4 Bit1 Bit5 Bit3 Bit7 Bit2 Bit6 1284 Active Ack Data Req Data 1 to 8 Host Busy Host Clk Ptr Clk Ptr Busy Data Avail Xflag TP TP TP Unknown With data Nibble mode Support Figure 2 10 Timing Chart Nibble Mode ...

Страница 40: ...Part 2 Product Specifications BJC 1000 2 14 This page intentionally left blank ...

Страница 41: ... 6 1 4 Turning the Printer On Off 3 7 1 5 Paper Settings 3 7 1 6 Banner Printing 3 8 1 7 Name of the Parts and Their Functions 3 10 2 PRINTER SERVICING FUNCTIONS 3 10 2 1 Error Indications 3 11 2 2 Cleaning the BJ Cartridge 3 11 2 3 Self Test Printout 3 13 2 4 EEPROM Reset Part 3 OPERATING INSTRUCTIONS ...

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Страница 43: ...packing the printer make sure the items below are included Part 3 Operating Instructions BJC 1000 3 1 Figure 3 1 Packaging BJ Cartridge Container BJ Cartridge Power Cord Read This First Packing Packing Packing Box Documentation Paper Support Tape ...

Страница 44: ...ot 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...

Страница 45: ...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 46: ... the head face and ink contamination may result in poor printing Never touch 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 a...

Страница 47: ... photo To ensure optimum printer performance use the BC 02 BC 05 or BC 06 photo It is not recommended to use the BC 01 as they may cause poor print quality Using the BC 01 will not damage the printer or the cartridge 1 3 4 BJ cartridge container A BJ cartridge container for storing the BJ cartridge is packed with the printer Always store an unused BJ cartridge in the BJ cartridge container The box...

Страница 48: ...rom 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 in the nozzle CAUTION Figure 3 8 Never unplug th...

Страница 49: ...he platen printing will start 3mm from the initial top 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 Figure 3 9 Banner Printing Media Thickness Lever Flap Position Max stacking height Plain paper Left Flat 5 mm ...

Страница 50: ... cut sheet feeder according to the paper size Front Cover Open to install or remove the cartridge set the paper thickness lever or remove jammed paper AC Adapter Installed on the rear of the printer the AC adapter supplies power from the power outlet to the printer RESUME button This key has the following functions If you press and hold it for two seconds or more the printer will reset and perform...

Страница 51: ...in paper high resolution paper transparencies back print film glossy paper and high glossy film and right for thick paper envelopes and banner paper Paper thickness lever Adjusts the gap between the print head and the paper Set this lever according to the type of print media that you are using Left Right Figure 3 11 Name of the Parts and Their Functions 2 Figure 3 12 Paper Thickness Lever ...

Страница 52: ...emperature sensor s TH1 reading on the control board is irregular 6 No cartridge error Occurs when the printer does not detect the BJ cartridge other than during BJ cartridge replacement 7 Waste ink full error Occurs when the total waste ink amount recorded by the EEPROM exceeds the prescribed limit 8 Purging operation error Occurs when the purging operation detection at the capping position is ir...

Страница 53: ...le in self test prints the nozzle check pattern and the 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 RESUME button while the AC plug is plugged in After printing one page of the nozzle check pattern the prin...

Страница 54: ...2 Release the RESUME button Press it down again within five seconds and release it The carriage moves to the center and stops 3 Open the front cover and install the black BJ cartridge 4 Close the front cover and press the RESUME button twice The printer starts the service test printing ROM Ver X XX BC 02 LostInk XX X PageCount BK XXXXX CL XXXXX LD XXXXX Version Number of Control ROM Color Black To...

Страница 55: ... of the AC adapter to the AC outlet while holding down the RESUME button 2 Release the RESUME button Press it down again within five seconds and release it 3 Hold down the RESUME button for two seconds or more and release it 4 Set EEPROM by pressing the RESUME button as shown in the table below Operation Contents of setting Hold down for two seconds or more EEPROM reset destination setting Other t...

Страница 56: ...Part 3 Operating Instructions 3 14 This page intentionally left blank ...

Страница 57: ...4 8 3 PRINTER MECHANICAL SYSTEM 4 8 3 1 Overview 4 10 3 2 BJ Cartridge 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 29 5 4 Temperature Sensor 4 29 5 5 Waste Ink Amount Detection Part 4 TE...

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Страница 59: ...Block Diagram Carriage Motor Paper Feed Motor Carriage BJ Cartridge Home Position Sensor Logic Board Paper Feed Motor Driver Carriage Motor Driver MPU Printer Controller I F Vcc 5VDC Control ROM DRAM EEPROM J5 J4 J3 J1 J2 VH 27 6VDC Figure 4 1 Block Diagram ...

Страница 60: ...AM c The image data organized inside the print buffer are then moved to the MPU printer controller one line of each pass at a time d The image data moved to the MPU printer controller are then converted to serial data and are output to the BJ head as print signals Inside the BJ head the serial data are then converted into one column of parallel print data thus allowing printing to be implemented e...

Страница 61: ...voltage to the heater plate The load on the AC adapter is reduced and ink charging delay is prevented by driving the head in steps The SEG signal has two pulses pre pulse and main pulse The pre pulse does not eject ink but increases the head temperature to the appropriate value and the main pulse ejects ink The printer controls each pulse width to obtain the optimum print density according to the ...

Страница 62: ...s 57 to 64 Pulse width is variable Simultaneously driven in the HS mode Black BJ cartridge Color BJ cartridge Photo BJ cartridge HS 112 µs 8 93kHz 112 µs 8 93kHz HQ 136 µs 7 35kHz 136 µs 7 35kHz 720dpi Smoothing 96 µs 10 4kHz Photo 88 µs 11 4kHz T values are shown in the table below Heater drive frequencies are in parentheses Figure 4 4 Printing Signals ...

Страница 63: ...es 720 dpi data for the horizontal direction and sends it to the printer resulting in high quality printing The printer driver smoothes the printed character s edges at 720 dpi along the horizontal direction The 720 dpi data for the horizontal direction is sent to the printer and the edges are smoothed at a high resolution BJ 1 720 inch 1 360 inch Add Dots Delete Dot 1 360 inch Figure 4 5 720 dpi ...

Страница 64: ...a maximum of 4 values no printed print 1 dot print 2 dots print 3 dots This method enables the printer to achieve high degree gradation printing When printing with 2 dots the second dot is printed in the 720 dpi position When printing with 3 dots the second dot is printed in the 720 dpi position while the third dot is printed on top of the first dot When monochrome printing using the photo BJ cart...

Страница 65: ...direction is alternated so that printing is also executed from the opposite carriage direction This improves the throughput If four or more successive null rasters are detected in the lower in the direction of paper ejection 24 nozzles for the printing data in the printer buffer during single pass printing printing is executed up to the null raster From the null raster onward printing is executed ...

Страница 66: ...t 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 unit 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 transmitted to the BJ cartridge in the carriage By controlling the purge unit...

Страница 67: ...ally into the paper feed mechanism Driven by the paper feed motor the paper feed mechanism rotates the feed rollers to feed the paper vertically When printing transparencies and back print film remove each sheet immediately after it is printed This is to allow enough time for the ink to dry The paper ejection operation of this printer is performed using the RESUME button 4 9 BJC 1000 Part 4 Techni...

Страница 68: ...essure inside the cartridge decreases compared to the atmospheric pressure This makes it more difficult for the ink to be supplied to the head To prevent this the ink cartridge has an air intake for maintaining a constant pressure inside the cartridge body 5 Bubble jet head unit As dictated by the printing signals received through the signal contact ink is ejected through the 64 bubble jet nozzles...

Страница 69: ... Hole with Pressure Regulation Caps As the ink is consumed the pressure inside the cartridge decreases compared to the atmospheric pressure This makes it more difficult for the ink to be supplied to the head To prevent this the ink cartridge has an air intake for maintaining a constant pressure inside the cartridge body 5 Bubble jet head unit As dictated by the printing signals received through th...

Страница 70: ... print head s heater board uses semiconductor technology with the heater and circuitry built on a silicon plate This silicon plate which contains various electrical circuitry is attached to an aluminum base The plastic cover which is shaped to fit the nozzles is also attached Part 4 Technical Reference 4 12 BJC 1000 NOTE Plastic Cover Signal Circuit Print Board Extra Fine Wire Connecting Section P...

Страница 71: ...hen a space of 8 nozzles and the third set of 16 nozzles are for cyan 3 Signal connection point contact pad 4 13 BJC 1000 Part 4 Technical Reference 25 26 27 28 29 30 31 24 23 20 19 18 32 32 31 30 29 28 27 26 25 15 14 13 12 11 10 7 9 6 8 5 3 2 4 1 21 22 17 16 Nozzle 64 Nozzle 1 Black BJ Cartridge Yellow Nozzles 16 Magenta Nozzles 16 Cyan Nozzles 16 Color BJ Cartridge Photo BJ Cartridge Space of 8 ...

Страница 72: ... HRANK HRANK TMPSEN1A TMPSEN2A TMPSEN2C TMPSEN1C HGND1 HGND2 Not Used ID1 ID2 COM1 COM2 COM4 COM5 COM7 COM8 SEG1 SEG2 SEG8 ID2 GND HRANK HEATER1 HEATER2 HRANK HRANK HRANK HGND1 HGND2 ID1 Figure 4 12 Bubble Jet Head Driver Block Diagram Black BJ Cartridge Figure 4 13 Bubble Jet Head Driver Block Diagram Color BJ Cartridge ...

Страница 73: ...rn of contact points of the bubble jet head unit BJ Cartridge PIN No 29 30 31 32 COM1 COM2 COM4 COM5 COM7 COM8 SEG1 SEG2 SEG8 ID2 GND HRANK HEATER1 HEATER2 HRANK HRANK HRANK HGND1 HGND2 ID1 Figure 4 14 Bubble Jet Head Driver Block Diagram Photo BJ Cartridge ID Circuit Pattern Heater Drive Voltage ID Circuit ID 1 ID 2 ID 3 ID 4 29 30 31 32 29 30 31 32 29 30 31 32 29 30 31 32 Figure 4 15 Head Rank I...

Страница 74: ...termined by pins 11 and 15 on the J1 connector on the printer logic board Cartridge types can be distinguished with combinations of pins 11 and 15 as shown in the table below 9 Print density control This printer controls the quantity of ink ejected so it prints at constant density It does this by predicting the change in the head temperature while printing and using the predicted temperature The q...

Страница 75: ... operation includes the wiping of paper and ink residue that has adhered to the printing head s face plate It also sucks out ink from the printing head to replenish the inside of the nozzles with fresh ink The amount of ink consumed by the cleaning operation is as follows Black BJ Cartridge installed 0 12 g Color BJ Cartridge or Photo BJ Cartridge installed 0 21 g To maintain high printing quality...

Страница 76: ...the home position the cap unit is pressed against the print head s face plate to cap it Also since the cap is connected to a pump the cap sucks ink out of the BJ cartridge during the pumping operation The ink which has been sucked out is sent to the bottom cover unit s waste ink absorber 4 Maintenance jet absorber The maintenance jet absorber at the home position absorbs the ink ejected from the n...

Страница 77: ...er feed motor driver When the carriage moves to the cleaning position at the right end 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 1000 Part 4 Technical Reference BJ Cartridge Carriage Motor Locking Lever Cartridge Hook Contact Point Carriage Carriage Ribbon Cable Pape...

Страница 78: ...both carriage directions it will appear to be crooked or misaligned due to mechanical reasons However if the vertically oriented line is disjointed or not continuous any misalignment will not be that noticeable and printing is executed from both carriage directions The slightly off timing of the detected home position edge is automatically corrected with the software 3 Paper thickness setting When...

Страница 79: ...t and sheet feeder When the slide arm is unlocked and the feed roller rotates in the feeding direction the slide arm rotates until it reaches the cut 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 drive the gear 4 21 BJC 1000 Part 4 Te...

Страница 80: ... 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 however paper ejection can be performed...

Страница 81: ...r feed 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 automatic...

Страница 82: ...hile monitoring 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 Carriage Ribbon Cable Paper Feed Motor Paper End Sensor Carriage Motor Driver DRAM Pick up Roller Sensor Carriage Motor J4 J5 J3 Paper Fee...

Страница 83: ... MPU Printer Controller Address Bus A1 to A20 Data Bus AD0 to AD15 ControlROM Carriage Motor Paper Feed Motor Paper End Sensor PS1 Pick Up Roller Sensor PS2 Home Position Sensor PA1 CR0 3 P60 63 ISA P42 ISB P73 CHSMI P70 CRSTB P83 P50 AN0 Reset Switch HDO HDI HEAT SEG1 to 8 COM1 to 8 ID2 HRANK ID 1 P52 AN2 P34 P51 AN1 P72 P35 P53 AN3 22 11 MHz XO XI Vcc 5VDC VH 27 6VDC Logic Board Bi Directional I...

Страница 84: ...ase exciter drive signal The stepping motor controller switches the carriage motor with the 5 step peak current value for optimum driving The stepping motor controller outputs the switching control signal to the carriage motor driver A D converter The A D converter digitally converts the following external analog signals received sent through the I O port to enable them to be detected by the MPU p...

Страница 85: ...M contains the program for printer control 3 DRAM IC4 Controlled by the printer controller the 1 M bit DRAM is used as print buffer and working area 4 Reset IC IC7 This IC detects the power voltage when power on or instantaneous power failure occur and resets the MPU Printer controller 5 EEPROM IC8 Controlled by the printer controller the 1 K bit EEPROM Electrically Erasable and Programmable ROM s...

Страница 86: ...nterrupter type paper end sensor detects with the paper sensor arm s flag when a sheet of paper passes through the paper feeding mechanism When the flag interrupts the sensor the sensor does not detect the paper When the flag does not interrupt the sensor the sensor detects the paper 5 3 Home Position Sensor Purge Sensor The photo interrupter type home position sensor senses the home position edge...

Страница 87: ...detected when full The waste ink is discharged during maintenance jet and recovery The amount of waste ink discharged is estimated by counting the number of maintenance jet and recovery Then the waste ink amount with evaporated ink is calculated When the calculated waste ink amount exceeds the capacity of the waste ink absorber a waste ink full error occurs Cartridge types can be distinguished wit...

Страница 88: ...Part 4 Technical Reference 4 30 BJC 1000 This page intentionally left blank ...

Страница 89: ... 3 3 2 Disassembly and Reassembly Cautions 5 4 3 3 Logic Board and Bottom Cover Replacement Cautions 5 5 4 TROUBLESHOOTING 5 5 4 1 Troubleshooting 5 7 4 2 Error Condition Diagnosis 5 21 5 LOCATION SIGNAL ASSIGNMENT 5 21 5 1 Logic Board 5 23 5 2 Carriage Ribbon Cable 5 24 5 3 BJ Cartridges 5 25 6 CIRCUIT DIAGRAMS 5 25 6 1 Parts Layout 5 27 6 2 Circuit Diagram Part 5 MAINTENANCE ...

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Страница 91: ...o BJ cartridge Service personnel None Level Periodic Maintenance User None Service personnel None Level Part User None Service personnel None Ordinary Tool Use 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 specif...

Страница 92: ...KOTE PG 641 Belt Holder About 20mg MOLYKOTE PG 641 Idler Roller Shaft Section About a half 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 93: ...printer refer to the parts catalog In the parts catalog figure numbers are in the order of disassembly Close up diagrams are also provided for additional detail 3 2 Disassembly and Reassembly Cautions When disassembling or reassembling the printer note the following precautions These cautions are also provided in the parts catalog ...

Страница 94: ... 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 3 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 occurs it can be assumed that the ...

Страница 95: ...connections 2 When servicing the printer with its outer casing removed and the AC adapter connected beware 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 printe...

Страница 96: ...re to reconnect connectors and tighten any loosened screws When replacing the logic board be sure to check the waste ink absorbers ink amount on the rear of the printer base unit If necessary reset the EEPROM Refer to Part 3 2 4 EEPROM Reset page 3 13 and Part 5 3 3 Logic Board and Bottom Cover Replacement Cautions page 5 4 Yes No Cartridge is faulty Check the cartridge 1 Replace the cartridge END...

Страница 97: ...the AC power power on OK Home position check Printing position correction operation Correct Home position error START MPU s RAM DRAM check Temperature sensor check EEPROM check ROM check Cartridge check Waste ink full error Carriage control error Next Page DRAM check Waste ink check OK Error code 5000 Error code 5100 ...

Страница 98: ...rtridge check Yes No Is cartridge installed Auto cleaning is not performed if the BJ cartridge is not installed Paper feed motor initialization Previous Page Pick up roller initialization Paper check No Yes Paper present Paper jam Auto cleaning END Error code 5C00 Cleaning check is not performed if the BJ cartridge is not installed ...

Страница 99: ... Cause The cartridge is not installed correctly 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 Code 5600 ...

Страница 100: ...ioration 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 is no abnormal noise Turns on during initialization Out of sync MPU Printer controller is faulty Measuring points Sensor Normal reading Open Low level Closed High level J1 Pin No 29 Home position sensor is faulty Rib...

Страница 101: ... for gear deformation or damage No Yes END 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 Correct When the pick up roller turns is the paper fed properly from the sheet feeder Correct Check sheet feeder unit Error occurs Any contamination wear or deterioration of the pick up roller s rubberrin...

Страница 102: ...ondition Check by moving the pick up roller by hand while the powerison Yes No Correct Measuring points Normal reading MPU Printer controller Pin No 48 Sensor Open Closed Low level Paperpresent High level Nopaper Paper sensor check Check by moving the paper end sensor arm by hand while the power is on Yes No Replace logic board Correct END Previous Page Check for pick up roller sensor flag deforma...

Страница 103: ...over 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 Code 5100 5 Printer Temperature Sensor Error Co...

Страница 104: ...n sindicated by the arrow Yes No Correct Yes No Replace purge unit Correct Purge unit check Remove the purge unit and move it as shown by the arrow to check if it moves smoothly Any gear deformation or damage Disassemble and check the paper feed motor drive switching mechanism Visual check of paper feed system operation Correct 1 Repair Replace faulty part 2 Replace logic board Replace sensor arm ...

Страница 105: ...d is faulty Measure Yes No DC plug output voltage check START Replace theAC adapter Replace the logic board Is it output correctly With the AC adapter and logic board connected by the DC connector cable check and measure the output voltage of the J4 connector pins as shown below Output voltage Pin set 2 4 or 2 5 3 4 or 3 5 27 6 VDC 5 0 VDC 1 The Power Does Not Turn On ...

Страница 106: ...aulty To confirm that the cartridge is not being recognized correctly check for conductivity at the check points indicated in the diagram below Remove and reinstall the cartridge Does the printer recognize the cartridge 3 Replace the carriage unit The carriage ribbon cable is faulty Check Normal reading Pin No 26 25 28 25 Black BJ Cartridge Check Normal reading Pin No 26 25 28 25 Photo BJ Cartridg...

Страница 107: ...ge unit is faulty Measure Yes No Execute a test print END Remove and reinstall the BJ cartridge Print defects Yes No END Replace the BJ cartridge 1 Replace the logic board 2 Replace the purge unit 3 Replace the carriage unit Carriage ribbon cable faulty Purge unit While the printer is on double click the RESUME button A nozzle check pattern will be printed out Print defects even after cartridge re...

Страница 108: ... cartridge Execute a test print Print defects Yes No END Conduction of carriage ribbon cable check Yes No Conduction cutoff Replace the carriage unit Replace the purge unit While the printer is on double click the RESUME button A nozzle check pattern will be printed out Blotches and stripes still appear after cartridge replacement Troubleshooting consists of error condition diagnosis which is requ...

Страница 109: ...ss 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 Perform cleaning operations several times If problem ...

Страница 110: ...ttings Printer driver settings Settings correct No Yes END While the printer is on double click the RESUME button The nozzle check pattern is printed out Set the printeroffline 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 Interface connector is faulty MPU Printer controller is faulty Repl...

Страница 111: ... OUT COM6 heat enable 15 ID2 IN BJ cartridge recognition signal See Table 5 1 16 GND Ground 17 HCOM7 OUT COM7 heat enable 18 HSEG3 OUT SEG3 heat enable 19 HCOM4 OUT COM4 heat enable 20 HSEG2 OUT SEG2 heat enable 21 HCOM8 OUT COM8 heat enable 22 HSEG1 OUT SEG1 heat enable 23 HSEG4 OUT SEG4 heat enable 24 HEATER OUT Warm up heater voltage VH and Detection signal 25 GND GND for warm up heater voltage...

Страница 112: ...r Supply connector Pin No Signal name IN OUT Description 1 Change VH OUT 2 VH IN 27 6 VDC 3 Vcc IN 5 VDC 4 GND Ground 5 GND Ground J5 CINF Interface connector Pin No Signal name IN OUT Description 1 STROBE IN See Part2 2 3 Interface Specifications page 2 9 for 2 DATA1 IN details 3 DATA2 IN 4 DATA3 IN 5 DATA4 IN 6 DATA5 IN 7 DATA6 IN 8 DATA7 IN 9 DATA8 IN 10 ACKNLG OUT 11 BUSY OUT 12 P E OUT 13 SEL...

Страница 113: ...SEG2 OUT SEG2 heat enable 6 21 HCOM8 OUT COM8 heat enable 9 22 HSEG1 OUT SEG1 heat enable 5 23 HSEG4 OUT SEG4 heat enable 8 24 HEATER OUT Warm up heater voltage VH and Detection signal 2 3 25 GND GND for warm up heater voltage VH 1 26 HCOM2 OUT COM2 heat enable 15 27 HCOM1 OUT COM1 heat enable 16 28 HSEG8 OUT SEG8 heat enable 17 29 HSEG6 OUT SEG6 heat enable 19 30 HSEG5 OUT SEG5 heat enable 20 31 ...

Страница 114: ...H and Detection signal 31 24 HGND2 OUT GND for warm up heater voltage VH 32 25 GND GND 16 26 ID2 OUT BJ cartridge recognition signal 15 27 Not used 13 28 ID1 OUT BJ cartridge recognition signal 11 29 32 HRANK Head rank 10 9 8 7 Pin No Signal name IN OUT Description J1 pin no 1 HGND1 OUT GND for warm up heater voltage VH 25 2 Not used 24 3 HEATER1 IN Warm up heater voltage VH and Detection signal 2...

Страница 115: ...Part 5 Maintenance BJC 1000 5 25 6 CIRCUIT DIAGRAMS 6 1 Parts Layout 6 1 1 Logic board Figure 5 6 Logic Board Top View ...

Страница 116: ...Part 5 Maintenance BJC 1000 5 26 Figure 5 7 Logic Board Bottom View ...

Страница 117: ...I O15 I O14 I O13 I O12 I O11 I O10 I O9 N C VSS CAS OE N C N C N C A7 A6 A5 VSS VDD 25 VSS 26 SEG8 27 SEG7 28 SEG6 29 SEG5 30 SEG4 31 SEG3 32 SEG2 33 SEG1 34 VDD 35 P36 36 P35 37 AVSS 38 P50 AN0 39 P51 AN1 40 P52 AN2 41 P53 AN3 42 AVDD 43 P34 44 P72 45 P92 46 P90 47 P41 48 P85 49 P42 50 P60 51 VDD 52 155 156 ACK BUSY PE SLCT AFXT INIT FAULT SELIN IFC STB IFD 7 0 CP12 C13 0 1 50V 154 153 152 151 1...

Страница 118: ......

Страница 119: ... 10 17 GND 06 05 04 03 02 01 00 07 VH FP32 FP31 FP30 FP29 FP28 FP27 FP26 FP33 FP45 12 13 14 15 16 17 18 11 10 IP91 IP90 IP89 IP88 IP87 IP86 IP85 IP92 FP44 FP24 FP23 FP22 FP21 FP20 FP19 FP18 FP25 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 SEG 7 0 COM 7 0 SEG8 COM7 COM6 COM5 COM4 COM3 COM2 COM1 COM8 FP16 FP15 FP14 FP13 FP12 FP11 FP10 FP17 16 15 14 13 12 11 10 17 GND 06 05 04 03 02 01 00 07 VH FP42 7 6 5 4 3...

Страница 120: ......

Страница 121: ...68 FB69 FB70 FB71 FB72 FB73 FB82 FB74 FB75 FB76 FB77 FB78 FB79 FB80 FB81 0 1 2 3 4 5 6 7 8 BUSY IP75 R300 10 1 10W C27 470p 50V R83 1K 1 10W SLCT IP72 R303 10 1 10W FAULT IP69 R308 10 1 10W SELIN IP68 R305 1K 1 10W AFXT IP71 R306 1K 1 10W INIT IP70 R307 R56 100 1 10W 470p 50V C308 470p 50V C303 470p 50V C302 470p 50V C301 470p 50V Vif 2 RA3 BLM21A1025 3 4 5 6 7 8 9 Vif C300 1K 1 10W C28 0 01 50V A...

Страница 122: ......

Страница 123: ...B ISB R405 2 2K 1 10W R100 ZD100 RD6 8SB3 10K 1 10W R414 100K 1 10W R415 100K 1 10W R416 4 7K 1 10W R406 2 2K 1 10W R407 2 2K 1 10W R408 2 2K 1 10W 0 51 1 4W 0 51 1 4W 100 35V C220 100 35V C215 0 01 50V 0 01 50V 330 35V C205 C218 C224 IP59 IP58 IP57 IP56 VM VHC E STA481A IC6 FP200 FP201 FP78 FP79 FP80 FP84 FP208 FP209 FB1 FP210 FP211 FP184 IP18 IP19 IP20 FP183 FP185 FP186 FU3 LM13 FP187 FP188 FP18...

Страница 124: ......

Страница 125: ......

Страница 126: ...The printing paper contains 70 waste paper PRINTED IN JAPAN IMPRIME AU JAPON CANON INC ...

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