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Canon -- BJC-1000 -- Service Manual

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1. UL CULIUIUUIL Aianananaia which ie veaeiiiead if tha narina an arrar aus Gata Wastes vyu u UU vi i it bnnum narfarm arrar Require ee specifications rece et Yes Use printing paper that meets the specifications Remove and reinstall the BJ cartridge y Execute a test print No Print defects While the printer is on double click the RESUME button A nozzle check pattern will be printed out Yes C END Replace the BJ cartridge Blotches and stripes still appear after cartridge replacement 1 END Conduction of carriage ribbon cable check Conduction cutoff Yes Reptace the purge unit Replace the carriage unit 5 18 BJ C 1000 5 Faulty Printing 3 Other Print Problems Part 5 Maintenance Symptom Check Item Measures Paper contamination Spur tracks appear Vertically oriented printed lines are misaligned Corrugated printing The printout is either light or dark Ink mist on the platen Ink has clogged around the head s nozzles No paper contamination during paper feeding and discharging Ink has clogged or paper bits have stuck around the purge unit s head wiper or head capping area Ink has adhered to the paper
2. 4 29 Part 4 Technical Reference BJC 1000 This page intentionally left blank 4 30 Part 5 MAINTENANCE ou 1 1 1 1 1 A no no no 1 1 1 1 1 01015 5 5 24 5 25 5 25 5 27 MAINTENANCE amp SERVICING TOOLS 1 1 Maintenance 1 2 Servicing Tools GREASE APPLICATION DISASSEMBLY AND REASSEMBLY 3 1 Disassembly and Reassembly 3 2 Disassembly and Reassembly Cautions 3 3 Logic Board and Bottom Cover Replacement Cautions TROUBLESHOOTING 4 1 Troubleshooting 4 2 Error Condition Diagnosis LOCATION amp SIGNAL ASSIGNMENT 5 1 Logic Board 5 2 Carriage Ribbon Cable 5 3 BJ Cartridges CIRCUIT DIAGRAMS 6 1 Parts Layout 6 2 Circuit Diagram BJ C 1000 Part 5 Maintenance 1 MAINTENANCE amp SERVICING TOOLS 1 1 Maintenance 1 1 1 Parts for Regular Replacement Level Part User None Service personnel None 1 1 2 Consumables Level Consumable User Black BJ cartridge Color BJ cartridge Photo BJ cartridge Service personnel None 1 1 3 Periodic Maintenance Level Periodic Maintenance User None Service personnel None 1 2 Servicing Tools 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
3. 28 25 5 16 BJ C 1000 Part 5 Maintenance 2 Symptom printer does not print at all 3 Faulty Printing Printing stops mid way Only a certain color is printed Cause The ink has run out or the BJ cartridge is faulty The control board the carriage ribbon cable or the purge unit is faulty 1 No Printing Measure Remove and reinstall the BJ cartridge While the printer is on double click the RESUME button A nozzle check pattern will be printed out Execute a test print Print defects i Yes C END Replace the BJ cartridge Print defects even after cartridge replacement No END 1 Replace the logic board Replace the purge anit Purge unit Pe the cameo Carriage ribbon cable faulty 5 17 Part 5 Maintenance 4 Faulty Printing lt 2 gt White Stripes Appear lt Measure gt Printer environment and paper specifications check BJ C 1000 Symptom is blotching There are white stripes The specified dots are not printed Cause BJ cartridge or cartridge contacts are faulty The carriage ribbon cable is faulty The purge unit or paper feed mechanism missing gear tooth is faulty White Line Sample nnnninta namene eed
4. 8 OUT COM8 heat enable 22 HSEG1 OUT 5 heat enable 23 HSEG4 OUT SEG4 heat enable 24 HEATER OUT Warm up heater voltage VH and Detection signal 25 GND 23 GND for warm up heater voltage VH 26 HCOM2 OUT 2 heat enable 27 1 OUT COM1 heat enable 28 HSEG8 OUT SEG8 heat enable 29 HSEG6 OUT SEG6 heat enable 30 HSEG5 OUT SEG5 heat enable 31 HEATER OUT Warm up heater voltage VH and Detection signal 32 GND GND for warm up heater voltage VH 5 21 Part 5 Maintenance J2 CNCR Carriage motor connector BJ C 1000 Pin No Signal name IN OUT Description 1 CRA OUT Carriage motor phase 2 CRA OUT Carriage motor phase 3 CRB OUT Carriage motor phase B 4 CRB OUT Carriage motor phase B J3 CNLF Paper feed motor connector Pin No Signal name IN OUT Description 1 LFA OUT Paper feed motor phase 2 LFA OUT Paper feed motor phase 3 T Common 4 LFB OUT Paper feed motor phase 5 LFB OUT Paper feed motor phase B J4 CNPS Power 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 1
5. Vcc 5VDC Carriage Motor Driver VH 27 6VDC MPU amp Printer Controller I 1 Control ROM DRAM EEPROM Figure 4 1 Block Diagram VF Part 4 Technical Reference BJC 1000 1 2 Printing Signal Flow The print signal flow from when the printer receives the print data to when printing is executed is described below a The print data which include control signals are output from the host computer and are sent to the MPU amp printer controller via an interface b The print data sent to the MPU amp printer controller are then separated into control signals and bit image data The control signals are processed into control commands based on the data stored inside the control ROM and bit mapped image data are organized inside the print buffer of the DRAM The image data organized inside the print buffer are then moved to the MPU amp printer controller one line of each pass at a time d The image data moved to the MPU amp 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 While performing check of the information data inside the control ROM control of motor drivers and detection of the BJ head and printer statuses the MPU amp printer controller works to contro
6. Each time a sheet is printed out remove it from the tray If the printed sheets stack immediately after they are delivered out the ink if not dried may transfer to other sheets 2 Add one to page length to the number of pages to be printed The maximum length of banner data that can be printed at a time is up to six pages long For example when printing data of a length of 3 pages use a length of paper equal to 4 pages 2 7 Part 2 Product Specifications BJ C 1000 2 2 2 Printing range 1 Plain paper and special media The shaded portion in the diagram below shows the printable area and recommended printing area for paper and special media 1 R Printable Area T Minimum L 3 4mm 0 13 R 3 4mm 0 13 T 3 0mm 0 12 B 7 0mm 0 27 N 1 Feed direction Recommended Printing Area Minimum 3 4 mm 0 13 3 4 mm 0 13 12 7 mm 0 5 2 15 5 0 61 U zr 1 LTR size Land Rare 6 4 mm 0 25 minimum 2 When using Fine mode photo printing T is 25 4 mm 1 0 minimum Figure 2 6 Printing Area 2 Envelope The shaded portion in the diagram below shows the printable area and recommended printing area for U S Commercial 10 envelopes 9 5 X 4 1 inches and European DL size envelopes 229 X 110 mm Minimum L 6 4 0 25 1 Feed direction Recommended Printing Area Minimum L 6 4mm 0 25 10 4 mm 0 41 1 T 12 7 mm 0 5 2 B 15 5 mm 0 61 1 For Commercial number 10 envelopes 31 4mm 1
7. Signal 1 0 1 STROBE IN 19 STROBE RET 2 DATAI IN 20 DATA1 RET 3 DATA2 IN 21 DATA2 RET 4 DATA3 IN 22 DATA3 RET 5 DATA4 IN 23 DATA4 RET 6 DATA5 IN 24 DATA5 RET 7 IN 25 DATA6 RET 8 DATA7 IN 26 DATA7 RET 9 DATA8 IN 27 DATA8 RET 10 ACKNLG OUT 28 ACKNLG RET 11 BUSY OUT 29 BUSY RET 12 P E OUT 30 P E RET e 13 SELECT OUT 31 INIT IN 14 AUTO FEED XT IN 32 ERROR OUT 15 33 GND 16 24 34 N C 17 GND 2s 35 5 0V 18 5 0 a 36 SELECT IN 1 All RETs are connected to GND 2 N C means no connection 3 The level is connected with 5 0V through 3900 resistor 4 The level is connected with 5 0V through 3 3kQ resistor 5 These signals are effective only in LQ printer control mode 2 9 Part 2 Product Specifications BJ C 1000 Nibble mode No Signal Signal 1 HostClk IN 19 Signal Gnd 2 DATAI IN OUT 20 Signal Gnd 3 DATA2 IN OUT 21 Signal Gnd 4 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 Pir Clk OUT 28 Signal Gnd 11 Ptr Busy OUT 29 Signal Gnd 12 Ack Data Req OUT 30 Signal Gnd e 13 Xflag OUT 31 INIT IN 14 Host Busy IN 32 DataAvail OUT 15 Not Defined 33 Not Defined 16 INIT RET 34 Not Defined 17 F G 35 Not Defined es 18 36 1284 Active IN 1 are connected to GND
8. p Cap Unit Purge Drive Gear Wiper Unit Maintenance Jet Absorber P Figure 4 17 Purge Unit 4 18 BJC 1000 Part 4 Technical Reference 3 4 Carriage 3 4 1 Carriage functions 1 Print head installation The carriage holds the BJ cartridge mechanically with the carriage ribbon cable and is connected to the circuit on the logic board 2 Carriage driver Driven by the carriage motor and carriage belt the carriage moves across the paper horizontally 3 Paper thickness adjustment With the paper thickness lever at the top of the carriage the gap between the paper and printing head can be adjusted 4 Paper 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 Paper Thickness Select Carriage Drive BJ Cartridge Mounting Section Section Section Carriage Guide Frame Home Position Sensor Cartridge Hook Paper Thickness Lever Photointeruptor Carriage Belt Thickness Cam Carriage Ribbon Cable Carriage Shaft Locking Lever Contact Point Carriage BJ Cartridge Transmission Section Figure 4 18 Carriage
9. DC plug output voltage check Pin set Output voltage 2 40r2 5 127 6 VDC 3 40 3 5 5 0 VDC Is it output No correctly Y Replace the adopter Replace the logic boa 5 15 Part 5 Maintenance BJ C 1000 Symptom cartridge installed is not recognized 2 The Printer Does The installed cartridge is recognized incorrectly Not Recognize Cause Faulty contacts between the cartridge and carriage Th C id The cartridge is faulty e The carriage ribbon cable is faulty The logic board is faulty lt Measure gt Remove and reinstall the cartridge Does the printer recognize the artridge 1 Replace the Cartridge is faulty cartridge Check the cartridge Yes 2 Replace the logic board C END 3 Replace the carriage unit MPU amp Printer controller is faulty carriage ribbon cable is faulty To confirm that the cartridge is not being recognized correctly check for conductivity at the check points indicated in the diagram below 51 53 29 23 P7 Be 19 9 6 Black BJ Cartridge Color BJ Cartridge Check Normal reading Check Normal reading 26 25 Approx 1 26 25 eS Pin No 28 25 m Pin No 28 25 Approx 0 Q Photo BJ Cartridge Check Normal reading 26 25
10. L o F138 47K 1 10W C104 1000p 35V 7T ULN2803AN 18 R101 R111 150 1 10W 510 1 4 R102 IP94 CNH J1 1 2 R112 150 1 10W a 3x 510 1 4W R103 95 113 150 1 10W 2 ANN 510 1 4 R104 IP96 R114 150 1 10 Oo r MW 510 1 4W R105 IP97 R115 ANN 150 1 10W 5 ay o ja o Head Driver o co oj om 5 o m 14 ULN2803AN 18 C103 0 047 50V ANN 510 1 4W R106 98 116 ANN 150 1 10W ANN 510 1 4W R107 IP99 117 ANN 150 1 10W 3 ANN 510 1 4W R108 IP100 R118 150 1 10W gg ANN 510 1 4W 2 FP41 2SB1443Q x 8 113 0 047 50 lt 01 ce gt HRANK LOGIC BOARD 02 Part 5 Maintenance CNH NN J1 2 2 R135 es 10K 1 10 10K 1 10W C101 L 0 01 50V lt 01 B6 gt HRANK1 202 C102 119 RD6 2MB1 0 01p 50V 20K 1 10W AAA 777 6 8K 1 10W HRANK2 HRANK3 GND R122 Heater Driver 200 La R137 4 7K 1 10W lt
11. lt 04 B5 gt CHSMI lt 04 A4 gt 188 ACK BUSY PE SLCT AFXT INIT FAULT SELIN IFC STB lt 03 D6 gt lt 03 D6 gt lt 03 D6 gt lt 03 C6 gt lt 03 C6 gt lt 03 C6 gt lt 03 C6 gt lt 03 C6 gt lt 03 E8 gt lt 03 E6 gt LOGIC BOARD 01 Part 5 Maintenance 8 IFD 7 0 lt 03 F6 gt o 1 2 3 4 5 6 9M 5V 50V C5 E 6 79 C14 MPU amp Printer Controller R3 1M 1 10W d 9150 S ele gt Control ROM 8Mbit IC3 DILB42P BJ 11 151 152 212 GND 171 153 513 5E D15 A1 1 EP170 EP1545 14 FP169 155 415 FP168 45V 156 16 167 157 17 166 FP158 18 165 159 19 o EP184 160 3 163 161 21 PIG C63 0 01y 50V 0 01 50V oj2 mJo ja jajo cg 01 50V lt 04 B8 gt lt 04 B8 gt lt 04 B8 gt lt 04 B8 gt lt 04 B4 gt C8 0 01 50V CST16 00MXWO0C4 Oscillator 5 27 BJ C 1000 COM 7 0 8 lt 01 D8 gt
12. oo ow 84 1983 288 822 07H 8062 6075 5078 0178 E E 9 EEI CI ses LJ oo Lles 19 55 o 2 3 2 8 2 19 82 ecu Cole oL JL 19 oe 2C s 12 ieu 1 p 9406 290 SE0 66Sl IHO ocu Ea PA We yom N M 012 8219 7 207 Figure 5 7 Logic Board Bottom View 5 26 BJ C 1000 6 2 Circuit Diagrams 8 S 29130AFJ TB IC8 EEPROM 1Kbit C26 1000p 50V 5V R39 10K 1 10W M62781GP Reset IC 1000p 50V 7 C43 I Oscillator 1M 1 10W CST22 11MXW040 R30 4 7K 1 10W 777 777 4 7K 1 10W SW1 100 1 10W R48 COM 7 0 lt 02 E8 gt SEGIZ 0 RESET SW FP3 FP2 KTST 4 C60 1000p 50V LC321664BJ 70 p 50V 77 DRAM 1Mbit NTH5G2M40B473J05TE 47K 1 10W 0 5 R1 45V 0 01 50 lt 02 C4 gt 102 lt 02 D4 gt 2 P1 02 04 HDO lt 02 E4 gt HEAT lt 04 D6 gt VHC lt 03 E8 gt SNC lt 03 C8 gt PES lt 03 A8 gt BB lt 04 B4 gt 15 45V C6 0 01 50 C4 0 01 50V A 0 lt 04 pa gt 28080 4 5V 41 lt 02 E4 gt HRANK 42 43 45 46 47 48 49 50 51 52
13. 4 19 Part 4 Technical Reference BJC 1000 3 4 2 Carriage structure 1 BJ cartridge mounting section The cartridge holder moves with the locking lever which secures the BJ cartridge onto the carriage When a BJ cartridge is secured onto the carriage the ribbon cable s signal contacts are pressed against the bubble jet head s signal contacts enabling signals to be transmitted from the logic board 2 Carriage driver The stepping type carriage motor drives the carriage horizontally across the paper by the carriage belt After the photo interrupter type home position sensor behind the carriage detects the home position edge as the initial position the carriage is controlled by the stepping pulse sent to the carriage motor The carriage motor is driven by a one to two phase exciter at a fixed current Also if a vertically oriented line etc is printed from 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 envelopes or thick paper are fed for printing they will rub against the head face causing possible damage and paper contamination This can be prevented by using the proper paper thickne
14. and refresh control 4 26 BJC 1000 Part 4 Technical Reference Buffer controller The buffer controller automatically reads the print buffer and clears the data after it is read Print head controller The print head controller counts the number of dots of the bit map print data read from the DRAM print buffer to control the heat pulse width pre main pulse width converts it to the COM and SEG signals for 8 x 8 matrix printing control and controls heating of the heater plate of the bubble jet nozzles of the BJ cartridge I O port Signals for the setting statuses determined by the RESUME button head ID paper end sensor home position sensor pick up roller sensor head rank resistor thermistor and head driving voltage VH monitor are input through the input ports Signals for operations such as BJ cartridge detection and head driving voltage control are output from the output ports 2 Control ROM IC3 The 8 M bit control ROM 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 amp Printer controller 5 EEPROM 1 8 Controlled by the printer controller the 1 K bit EEPROM Electrically Erasable and Programmable ROM stores various function settings the total count of printed sheets and the total
15. transport system The paper is already contaminated by the time it reaches the platen Ink has adhered to the spurs The spurs are deformed The BJ cartridge is installed incorrectly The 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 Use a soft cloth moistened with water to clean Perform cleaning operations several times If problem persists replace the BJ cartridge Replace the purge unit Disassemble the paper transport system and use a soft moist cloth to clean Use a soft toothbrush to clean Replace the front cover unit Reinstall the BJ cartridge correctly Set the lever at the specified position Replace the BJ cartridge Replace the printer frame unit Replace the carriage unit Set the desired printing mode Replace the BJ cartridge 5 19 Part 5 Maintenance BJ C 1000 Symptom Nothing is printed 6 Faulty Interface unspecified font is printed An unspecified color is printed Cause The printer driver setting is faulty The interface cable is faulty The printer s logic board is faulty lt Measure gt Set the printeroffline While the printer is on double click the RESU
16. 0 5 ps at the printer side After initializing the printer enters the compatible mode DataAvail Output Reverse data transmission phase Indicates bit O and bit 4 of the transmission data Negotiation phase Informs the host computer if there is reverse transmission data or not in synchronizing with the falling edge of the Ack Data Req signal L means that there is reverse transmission data 1284 Active Input This signal confirms that the printer is a 1284 compatible device when 1284 Active signal goes High and Host Busy signal goes Low It goes Low with the termination phase 2 12 BJ C 1000 Part 2 Product Specifications 9 Timing 0 5ms 1 0ms 0 5ms Min Min Min DATA 1 to 8 STROBE BUSY Approx 4ms Figure 2 9 Timing Chart Compatible Mode ee INE NECS GNE NET CER EO a a Host Busy E ps BEEN et cuu E 277 PirCk i in aM 0 Ptr Busy Printer Busy Status Data Avail a e With data 1 1 Xilas Support i pie TP M TP TP Figure 2 10 Timing Chart Nibble Mode Part 2 Product Specifications BJ C 1000 This page intentionally left blank 2 14 Part 3 OPERATING S INSTRUCTIONS U 1 PRINTER SETUP 1 Equipment Check Printer Dimensions Setup Procedure Turning the Printer On Off Paper Settings B
17. 01 B6 gt R123 100K 1 10W R124 lt 01 6 gt ANN 1K 1 10W pm IP15 R121 IP16 AN 2 1 3 FP51 5 6K 1 4W Q9 3 28814430 GND GND Q10 FA1LAM FP50 VH G R125 Vsen 3 DAL 03 D6 03 C7 03 B7 gt 390 1 10W DAN217 C105 I 100p 50V 2 RD6 8MW 5V 202 204 1000 50V 203 R129 10K 1 10W R130 lt 01 C6 gt t 7 C107 0 01p 50V WW 100 1 10W R131 10K 1 10W R132 C109 ZD5 0 01p 50V RD6 8SB3 100 1 10W i i 1 i 1 i 1 i i 1 i 1 1 i i 1 i 1 i i i 1 i 1 i i i 1 i i 1 1 R126 128 39K 1 10W 10K 1 10W i NVV i i 1 i 1 i i i 1 i i i i 1 i 1 i 1 i 1 i 1 i 1 i i i 1 i i 1 i i 1 5 28 BJ C 1000 R82 47K 1 10W Qu 1 3 FN1A4P 2 FN1A4P 777 Vsen R87 47K 1H0W lt 03 D6 02 02 03 B7 gt Sn R36 39K 1 10W FP71 R37 R38 390 1 10W 22 ANN 1 3 10K 1 10 PS1 C24 GP1SQ59C 100p 50V Vsen lt 02 02 03 C7 03 06 gt 2 4 77 Paper End Sensor R79 390 1 10W 24 78 39K 1 10W FP70 R80 10K 1 10W C37 100p 50V P
18. 2 2 When using Fine mode photo printing T is 25 4 mm 1 0 minimum Figure 2 7 Printing Area Envelope 3 Banner paper The shaded portion in the diagram below shows the printable area and recommended printing area K Feed direction B Printable Area Recommended Printing Area Minimum Minimum L 3 4 mm 0 13 L 3 4 mm 0 13 R 3 4 mm 0 13 R 3 4 mm 0 13 T 3 0 mm 0 12 T 18 5 mm 0 73 40 0 mm 1 57 B 40 0 mm 1 57 When printing 6 pages Figure 2 8 Printing Area Banner Paper 2 8 BJ C 1000 Part 2 Product Specifications 2 3 Interface Specifications 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 made of American Wire Gauge AWG No 28 or larger maximum length of the twisted pair shielded cable must be 2 0 m approximately 6 6 feet 1 Interface Type IEEE1284 compatible parallel interface 2 Data transfer 8 bit parallel interface 3 Signal voltage levels Low 0 0 V to 0 8 V High 42 4 V to 5 0 V 4 Input output Each signal pulled up with 45V 5 Interface cable Type Twisted pair shielded cable Material AWG 28 or larger Length Up to 2 0 m 6 6 feet 6 Interface connectors On printer Amphenol 57 40360 or equivalent On cable Amphenol 57 30360 or equivalent 7 Input output signals and pin layout Compatible mode No Signal
19. 8 Input output signals Compatible Mode STROBE Input This signal is used to read DATA1 to DATAS The signal becomes valid after BUSY signal goes Low and the printer outputs an ACKNLG signal The host computer does not send the next signal until it receives ACKNLG signal It is normally High after it goes Low the printer receives data When the signal remains Low the printer does not operate until it goes High to 8 Input The printer receives data with the STROBE signal The state of each bit of the signal must be maintained for at least 0 5 ps from the rising edge of the STROBE signal ACKNLG Output This signal is a response signal to the STROBE signal The host computer does not send the next STROBE signal until this signal is sent When the power is turned on or the BUSY signal goes Low for the input of the INIT signal this signal is sent regardless of the STROBE signal BUSY Output When this signal 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 signals then go High from Low If paper is not ejected paper jam by executing paper eject command this signal and
20. BC 02 BC 05 and BC 06 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 Bu cartridge in the BJ cartridge container The box can store one BJ cartridge only Storing the BJ Cartridge Close Push Figure 3 7 BJ Cartridge Container 3 5 Part 3 Operating Instructions BJ C 1000 1 4 Turning the Printer On Off 1 4 1 Turning the printer on Connect the power cord to a power source to turn on the printer and initializing operations are executed 1 4 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 in the nozzle Figure 3 8 Never unplug the power cord less than one minute after completing an operation 3 6 BJ C 1000 Part 3 Operating Instructions 1 5 Paper Settings For optimum printing the printer has various paper settings to suit
21. BUSY signal go High and SELECT and FAULT go Low In this case the signals do not change even if the paper is ejected 2 10 BJ C 1000 Part 2 Product Specifications SELECT Output The printer is selected when this signal is High The printer is deselected when this signal is Low This signal goes Low when the printer is offline or when an error occurs paper out paper jam head error etc AUTO FEED XT Input Not used INIT Input INIT from the system resets the printer to its initial power on state In BJ mode the BUSY signal goes High and any received data is printed In LQ mode the BUSY signal goes High and the print buffer is cleared When INIT signal goes Low it resets the printer to the power on default state FAULT Output This signal goes Low when the printer is in an error state paper out paper jam etc SELECT IN Input Not used Nibble Mode Host CIk Input The STROBE signal is to read DATA 1 to DATA 8 Negotiation phase Trigger signal to send the protocol confirmation to the printer DATA 1 8 Input The printer receives data with the Host Clk signal The state of each bit of this signal must be maintained for at least 0 5 ps from the rising edge of the Host CIk signal Ptr CIk Output Reverse data transmission phase The printer requests the host computer to read the data by making the Ptr CIk signal Low After finishing reading the host computer notifies peripheral equipment of completion of dat
22. Code 5 00 lt Measure gt Visual check of paper During initialization do the paper feedmotor feed system operation pick up roller feed roller eject roller etc rotate Any abnormal noises Is the paper feed motor out of sync Correct Yes Repair Replace fauty part B Replace logic board Y Sensor arm check Move it by hand and see if it moves smoothly Also any deformation or damage at the location sindicated by the arrow N Correct E Yes Replace sensor arm or repair replace faulty part Y 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 No Replace purge unit If the gear is deformed or damaged disassemble Di and check the paper feed motor drive switching TE BER jm mechanism refer to Part 4 3 4 24 Switching the motor drive switching paper feed motor drive transmission page 4 21 mechanism 5 14 BJ C 1000 Part 5 Maintenance b Symptoms lt Symptom gt The printer does not perform initializing even 1 The Power Does when the AC plug is connected Not Tu m On Cause The AC adapter and or control board is faulty Measure 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
23. Cover Figure 1 3 Ink Mist Part 1 Safety and Precautions BJ C 1000 2 MACHINE PRECAUTIONS 2 1 Precautions for Handling BJ Cartridges 2 1 1 Turning the printer ON OFF The printer will automatically cap the cartridge heads one minute after printing operations are completed to prevent the ink from leaking or drying out When unplugging the power cord wait at least one minute after completing an operation such as printing feeding paper cleaning the print head etc If the power cord is accidentally unplugged before one minute has passed replug the AC adapter and wait for more than one minute before unplugging the power cord If the nozzles are not capped the ink may leak or dry 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 the interface cable and AC power cord as described above in Part 3 1 3 Setup Procedure page 3 3 2 Put the BJ cartridge in the BJ cartridge container 3 Repack the printer in its original box and packing materials Figure 1 4 Storing the BJ Cartridge If you do not have the original packing materials use ample am
24. IN Warm up heater voltage VH and Detection signal 131 24 HGND2 OUT GND for warm up heater voltage VH 32 25 GND GND 16 26 ID2 OUT Bud cartridge recognition signal 15 27 Not used sis 13 28 ID1 OUT Bu cartridge recognition signal 11 29 32 HRANK Head rank 10 9 8 7 COLOR PHOTO BJ CARTRIDGE Pin No Signal name IN OUT Description J1 pin no 1 HGNDI OUT GND for warm up heater voltage VH 2 Not used 3 HEATERI IN Warm up heater voltage VH and Detection signal 24 4 Not used 5 8 SEG1 4 IN SEG1 4 heat enable 22 20 18 23 9 10 COMI 2 IN 1 2 heat enable Cyan 21 17 11 Not used 14 12 13 COM4 5 IN COM4 5 heat enable Magenta 12 19 14 Not used 6 15 16 COM7 8 IN COM7 8 heat enable Yellow 26 27 17 20 5 8 5 IN SEG8 5 heat enable 28 5 29 30 21 Not used 22 HEATER2 IN Warm up heater voltage VH and Detection signal 31 23 Not used 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 GND GND 13 28 ID1 OUT BJ cartridge recognition signal 11 29 32 HRANK Head rank 10 9 8 7 5 24 BJ C 1000 Part 5 Maintenance 6 CIRCUIT DIAGRAMS 6 1 Parts Layout 6 1 1 Logic board Rui LY L3 Er nize C102 35 ES ex SE0 66S 1H m o 70 o 01 Slag 4007911 81 5 V Figure 5 6 Logic Board Top View 5 25 Part 5 Maintenance BJ C 1000 nn mm Tm
25. Number Use Grease MOLYKOTE PG 641 Apply to the specified place as shown in Figure 5 1 CK 0562 000 5 1 Part 5 Maintenance BJ C 1000 2 GREASE APPLICATION Use the special tool to apply grease at the points and amounts shown below Belt Holder 2 About 20mg MOLYKOTE PG 641 Rear Sides of Carriage Guide Frame About 35 to 65 mg MOLYKOTE PG 641 Idler Roller Shaft Section About a half grain of rice MOLYKOTE IS N Rubbing Section of Carriage and Carriage Shaft About 100 mg MOLYKOTE PG 641 Rubbing Section of Carriage Hook and Carriage Rubbing Section of Feed Roller Shaft and Coil Spring z To a degree of greasiness MOLYKOTE PG 641 About 1019 Mg MOLYKOTE Fixed Figure 5 1 Grease Application Points BJ C 1000 Part 5 Maintenance 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 5 3 Part 5 Maintenance BJ C 1000 3 3 Logic Board and Bottom Cover Replacement Cautions 3 3 1 Logic board replacement cautions The various settings waste ink amount and other data stored in the logic board s EEP
26. Operating Instructions BJ C 1000 2 PRINTER SERVICING FUNCTIONS 2 1 Error Indications Errors will be displayed on the host computer monitor The host computer should be set to ECP or Nibble mode and use the BJ status monitor on Windows95 98 Main error sentences are shown in the table below TABLE 3 2 ERROR INDICATIONS Error condition Error indication Recoverable by customers Paper feed The printer is out of paper Paper jam A paper jam has occurred Unrecoverable by customers Home position error An error that possibly requires a service call has occurred 2000 Carriage control error An error that possibly requires a service call has occurred Printer temperature sensor error An error that possibly requires a service call has occurred 9400 No cartridge error An error that possibly requires a service call has occurred 9600 Waste ink full error The used ink tank is full Purging operation error An error that possibly requires a service call has Eos occurred The errors listed in Table 3 2 are described below Recoverable errors by customers Correctable by removing the paper and pressing and holding down the RESUME button for over two seconds 1 Paper pick up error Occurs when the paper cannot be fed properly 2 Paper jam Occurs when the printed paper cannot be ejected Unrecoverable errors by customers Pull out the AC plug to turn off the power 3 Home Position Error D
27. 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 When the stored data is reset the various settings the total count of printed sheets and the total waste ink amount will all be reset The total sheets printed and waste ink amount cannot be input using the operation panel Immediately after the printer is turned on it keeps track of the estimated waste ink amount based on the usage conditions To prevent ink leakage when the waste ink amount exceeds the waste ink absorption capacity the printer stops printing and indicates an error when the waste ink absorption capacity is close to being full For details on checking the EEPROM data with a test printout and for clearing the data see Part 3 2 4 EEPROM Reset page 3 13 If the printer stops operating in the case of a waste ink full error follow the countermeasures described in Part 5 4 1 Troubleshooting page 5 5 Part 1 Safety and Precautions BJ C 1000 3 2 Static Electricity Precautions The electrostatic charge accumulated in clothing can damage electric elements and their characteristics In order to prevent static electricity touch a metallic part that is grounded 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
28. driver Photo printing capability Banner printing capability New image processing technology Image Optimizer supported by the driver Image optimizer a function to reduce jaggies which occur when enlarging low resolution images Improved printer driver color matching processing 10 Device ID and status response function compatible with Windows95 98 Plug amp Play Responds to the device ID status of nibble mode 11 New leverless sheet feeder 12 New carriage 2 2 BJ C 1000 Part 2 Product Specifications 1 3 BJ Cartridge 1 3 1 Color and Photo BJ cartridges The color and photo BJ cartridges each contain 3 ink colors yellow magenta and cyan With these 3 colors composite black can be produced The first 16 nozzles are for yellow the following 8 nozzles are unused the second 16 nozzles are for magenta then 8 nozzles unused and the third 16 nozzles are for cyan They are lined vertically When using the color or photo BJ cartridge 360 H X 360 V dpi printing is possible Photo like printing can be realized by using the photo BJ cartridge Use the high resolution paper HR 101 when printing with photo BJ cartridge Since the three color inks in the color and photo 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 f
29. f def ti ec or any detormation or wear Any deformation damage Correct Yes sensor arm Repair replace the faulty part Y Measuring points Sensor Normal reading Paper sensor check MPU amp Printer controller Open Low level Paperpresent Pin No 48 Closed High level Nopaper Check by moving the paper end sensor arm by hand while the power is on No Replace logic board 5 12 BJ C 1000 4 Waste Ink Full Error 5 Printer Temperature Sensor Error Code 5400 6 Carriage Control Error Code 5100 Part 5 Maintenance lt Cause gt The waste ink absorbers estimated waste ink amount has reached 100 lt Suspected Parts gt Waste ink absorbers logic board lt Measures gt 1 Reset the EEPROM and replace the bottom cover unit 2 Replace logic board lt Cause gt Thermistor is abnormal lt Suspected Parts gt Thermistor lt Measures gt Replace logic board lt Cause gt The printing position correction value cannot be detected lt Suspected Parts gt Carriage motor logic board home position sensor lt Measures gt See countermeasures for home position sensor error 5 13 Part 5 Maintenance BJ C 1000 Cause Cleaning is not executed properly or not being detected Suspected Parts Home position sensor sensor arm purge 7 Purging Operation Error unit carriage ribbon cable logic board
30. motor the purge unit helps to maintain high 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 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 s slide lock pin the carriage controls the engagement of the paper feed motor s drive power between the paper feed purge unit and the sheet feeder 4 8 BJC 1000 Part 4 Technical Reference 4 Paper feed mechanism and sheet feeder The built in sheet feeder is driven by the paper feed motor Plain paper as well as coated paper transparencies back print film envelopes etc can be loaded and fed automatically 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 Part 4 Technical Reference BJC 1000 3 2 BJ Cartridge 3 2 1 Black BJ cartridge structure The black BJ cartridge has a printing
31. the printed characters etc when print data is printed continuously in the direction of the paper feeding direction printing is executed with the carriage moving in only one direction However when printing in the paper feeding direction is not continuous since vertical misalignment is not so noticeable the printing 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 from the opposite carriage direction From the next raster onward printing is executed from the same carriage direction until the direction changes again 4 7 Part 4 Technical Reference BJC 1000 3 PRINTER MECHANICAL SYSTEM 3 1 Overview This section explains the printer s mechanical components Carriage Unit Cut Sheet Feeder Paper Feed Part BJ Cartridge Purge Unit Figure 4 6 Printer s Mechanical Configuration 3 1 1 Mechanical components 1 BJ cartridge The printer can use three types of BJ cartridges black color and photo The user installs the black color or photo BJ cartridge according to the required application All these cartridges are ink disposable 2 Purge unit Driven by the carriage
32. to the bubble jet nozzles through the joint pipe When the head driving current is supplied to the heater board and multiple ink bubbles form Eventually only one ink bubble is formed The head driving current is turned off before the ink drop leaves the nozzle The bubbling however continues with the residual heat and the ink drops are ejected from the nozzles After an ink drop is ejected the nozzle is filled with ink supplied 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 various electrical circuitry is attached to an aluminum base The plastic cover which is shaped to fit the nozzles is also attached Signal Circuit Print Board Extra Fine Wire Connecting Section Protection Bond of Wire Connecting Section Silicon Plate Aluminum Plate Heater Plate Bubble Jet Nozzle Start of Heater Power While Heater Power is on End of Heater Power Ink Filter Bubble Contraction Joint Pipe Ink Bubble Formation Plastic Cover Common Ink Chamber Q Ink Drop Jetting Face Plate Part of Plastic Cover Figure 4 9 Bubble Jet Nozzles Partial View 4 12 BJC 1000 Part 4 Technical Reference 2 Nozzle arrangement The bubble jet nozzles are arranged 1 360 inch apart in a vertical array The black BJ cartridge has 64 nozzles On the color and photo BJ cartridge th
33. 2 P E OUT 13 SELECT OUT 14 AUTO FEED XT IN 15 N C 16 INIT IN 17 GND 18 N C 19 STROBE RET 20 DATA1 RET 21 DATA2 RET 22 DATA3 RET 23 DATA4 RET 24 DATA5 RET 25 DATA6 RET 26 DATA7 RET 27 DATA8 RET 28 ACKNLG RET 29 BUSY RET 30 P E RET 31 INIT IN 32 ERROR OUT 33 GND 34 35 5 0V 36 SELECT IN IN 5 22 BJ C 1000 5 2 Carriage Ribbon Cable Figure 5 4 Carriage Ribbon Cable 68 9 6 18 ba Part 5 Maintenance Pin No Signal name IN OUT Description 1 Not used 2 5 OUT Photo LED drive 3 GND 2 Ground 4 HPS IN Home position sense High Low sense 5 HSEG7 OUT SEG7 heat enable 18 6 OUT heat enable 14 7 GND Ground for head rank 32 8 HRANKS IN Head rank sense 31 9 HRANK2 IN Head rank sense 30 10 HRANK1 IN Head rank sense 29 11 ID1 IN BJ cartridge recognition signal See Table 5 1 28 12 5 OUT COM5 heat enable 12 13 ID3 IN Not used 27 14 HCOM6 OUT COM6 heat enable 11 15 ID2 IN BJ cartridge recognition signal See Table 5 1 26 16 GND Ground 25 17 HCOM7 OUT COM7 heat enable 10 18 HSEG3 OUT SEG3 heat enable 7 19 HCOM4 OUT COM4 heat enable 13 20 HSEG2 OUT SEG2 heat enable 6 21 8 OUT 8 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
34. 3 5 2 Structure of the sheet feeder PRINTER ELECTRICAL SYSTEM 4 1 Overview 4 2 Logic Section 4 2 1 Logic section block diagram 4 2 2 Logic section components SENSOR FUNCTIONS 5 1 Pick Up Roller Sensor 5 2 Paper End Sensor 5 3 Home Position Sensor Purge Sensor 5 4 Temperature Sensor 5 5 Waste Ink Amount Detection Page 5 5 5 5 5 5 Dis 5 5 5 5 5 5 5 5 5 5 5 5 Bis 5 21 5 21 5 23 5 24 5 25 5 25 5 25 5 27 ONN Il0 Part 5 Maintenance 1 MAINTENANCE amp SERVICING TOOLS 1 1 Maintenance 1 1 1 Parts for Regular Replacement 1 1 2 Consumables 1 1 3 Periodic Maintenance 1 2 Servicing Tools 2 GREASE APPLICATION 3 DISASSEMBLY AND REASSEMBLY 3 1 Disassembly and Reassembly 3 2 Disassembly and Reassembly Cautions 3 3 Logic Board and Bottom Cover Replacement Cautions 3 3 1 Logic board replacement cautions 3 3 2 Cautions after replacing the bottom cover 4 TROUBLESHOOTING 4 1 Troubleshooting 4 1 1 Overview 4 1 2 Troubleshooting cautions 4 2 Error Condition Diagnosis 4 2 1 Initial self check 4 2 2 Error recovery 5 LOCATION amp SIGNAL ASSIGNMENT 5 1 Logic Board 5 2 Carriage Ribbon Cable 5 3 BJ Cartridges 6 CIRCUIT DIAGRAMS 6 1 Parts Layout 6 1 1 Logic board 6 2 Circuit Diagram lll ILLUSTRATION INDEX Page 1 1 Figure 1 1 Moving and Rotating Parts 1 2 Figure 1 2 Ink Path 1 3 Figure 1 3 Ink Mist 1 4 Figure 1 4 Storing th
35. 5 1 3 4 BJ cartridge container 3 6 1 4 Turning the Printer On Off 3 6 1 4 1 Turning the printer on 3 6 1 4 2 Turning the printer off 3 7 1 5 Paper Settings 3 7 1 6 Banner Printing Page 3 8 3 10 3 10 3 11 3 11 3 11 3 12 3 13 3 13 3 13 4 4 4 4 4 4 4 4 4 4 4 4 4 0 0 1 01 4 10 4 10 4 11 4 12 4 17 4 17 4 18 4 19 4 19 4 20 4 22 4 22 4 23 4 24 4 24 4 25 4 25 4 26 4 28 4 28 4 28 4 28 4 29 4 29 1 7 Name of the Parts and Their Functions PRINTER SERVICING FUNCTIONS 2 1 Error Indications 2 2 Cleaning the BJ Cartridge 2 3 Self Test Printout 2 3 1 Nozzle check pattern 2 3 2 Service test print 2 4 EEPROM Reset 2 4 1 EEPROM Reset 2 4 2 Printing the EEPROM data Part4 Technical Reference 1 OVERVIEW 1 1 Block Diagram 1 2 Printing Signal Flow 1 3 Print Drive 1 3 1 Printing drive control FIRMWARE 2 1 720 dpi Printing Smoothing Feature 2 1 1 Canon extension mode 2 2 Printing Modes 2 2 1 Printing mode 2 3 Optimum Printing Direction Control PRINTER MECHANICAL SYSTEM 3 1 Overview 3 1 1 Mechanical components 3 2 BJ Cartridge 3 2 1 Black BJ cartridge structure 3 2 2 Color Photo BJ cartridge structure 3 2 3 Bubble head unit structure 3 3 Purge Unit 3 3 1 Purge unit functions 3 3 2 Purge unit structure 3 4 Carriage 3 4 1 Carriage functions 3 4 2 Carriage structure 3 5 Paper Feed 3 5 1 Outline of the paper feed
36. 8 SEG 7 1 1 i 1 1 AN Nozzle OO OOOO OO 808 Nozzles not used in color BJ cartridge Mechanical Nozzle Arrangement Electrical Nozzle Arrangement Figure 4 3 Nozzle Arrangement 4 3 Part 4 Technical Reference BJC 1000 COM 1 COM2 e COM 3 COM 8 e SEG odd SEG even nozzles 1108 Pulse width is variable for nozzles 9 to 16 for nozzles 17 to 24 Simultaneously driven in the HS mode for nozzles 57 to 64 T values are shown in the table below Heater drive frequencies are in parentheses Black BJ cartridge Color BJ cartridge Photo BJ cartridge HS 112 us 8 93kHz 112 us 8 93kHz HQ 136 us 7 35kHz 136 us 7 35kHz 720dpi Smoothing 96 us 10 4 2 Photo Figure 4 4 Printing Signals 4 4 88 us 11 4kHz BJC 1000 Part 4 Technical Reference 2 FIRMWARE 2 1 720 dpi Printing Smoothing Feature This features operates only with the black BJ cartridge 2 1 1 Canon extension mode In the Canon Extended mode the printer driver creates 720 dpi data for the horizontal direction and sends it to the printer resulting in high quality printing The printer driver smoothes the printed charact
37. BJC 1000 SERVICE MANUAL REVISION 0 c 1998 QY8 1364 000 HT 1998 CANON INC CANON BJC 1000 1298 SC 0 40 0 PRINTED IN JAPAN IMPRIM 1298 SC 0 40 0 BJC 1000 SERVICE MANUAL Canon Application This manual has been issued by Canon Inc for qualified persons to learn technical theory installation maintenance and repair of products This manual covers all localities where the products are sold For this reason there may be information in this manual that does not apply to your locality Corrections This manual could include technical inaccuracies or typographical errors due to improvements or changes in the products When changes occur in applicable products or in the content of this manual Canon will release technical information as the need arises In the event of major changes in the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not 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 the written consent of Canon Inc except in the case of internal business use Copyright 1998 by Canon In
38. C 06 photo About 45 sheets HQ mode 7 5 duty per color pattern continuous printing Color print pattern for C M Y Bk 2 4 BJ C 1000 Part 2 Product Specifications 2 SPECIFICATIONS 2 1 General Specifications 1 Type Desktop serial color bubble jet printer 2 Paper feeding method Auto sheet feed 3 Resolution 720 dpi X 360 dpi Smoothing With black BJ cartridge and exclusive printer driver 4 Stacking capacity of sheet feeder Plain paper Max 5 mm stack approx 50 pages with 75 g m paper LGL size Max 10 pages Envelopes 5 envelopes Post card 20 pages Transparencies 20 pages Back print film 10 pages Glossy photo paper 1 page High gloss film 1 page Fabric 1 page T shirt transfer 1 page Banner paper 1 page 5 Paper size Letter 8 5 X 11 Legal 8 5 X 14 5 148 mm X 210 mm A4 210 mm X 297 mm Commercial number 10 envelopes 4 11 X 9 5 European DL size envelopes 220 mm X 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 Paper GP 301 High gloss film Canon High Gloss Film HG 101 High resolution paper Canon High Resolution Paper HR 101 Bubble jet paper Canon Bubble Jet Paper LC 301 Fabric Canon Fabric Sheet FS 101 Banner paper Canon Banner Paper BP 101 T shirt transfer Canon T Shirt Transfer TR 201 7 Pap
39. EATING METHODS LIST OF SENSOR FUNCTIONS BJ CARTRIDGE RECOGNITION VII This page intentionally left blank Vill Part 1 SAFETY AND PRECAUTIONS Page 1 1 1 PERSONAL SAFETY PRECAUTIONS 1 1 1 1 Moving and Rotating Parts 1 1 2 Ink Stains 1 1 1 1 1 1 1 1 2 MACHINE PRECAUTIONS 2 1 Precautions for Handling BJ Cartridges 2 2 Printer Handling PRECAUTIONS FOR SERVICE 3 1 EEPROM Data Precautions 3 2 Static Electricity Precautions 3 3 Disassembly and Reassembly Precautions 3 4 Built in Self diagnostic Functions OMOAOANN OF BP Co BJ C 1000 Part 1 Safety and Precautions 1 PERSONAL SAFETY PRECAUTIONS 1 1 Moving and Rotating Parts Be careful not to let your hair clothes accessories etc become caught up in the moving and rotating parts of the printer The moving and rotating parts the carriage belt idler roller and carriage are 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 Carriage Belt Carriage Motor SY 2 iz I Eject Roller Paper Feed Roller Figure 1 1 Moving and Rotating Parts 1 1 Part 1 Safety and Precautions BJ C 1000 1 2 Ink Stains 1 2 1 Ink path Be careful not to touch the ink path as it may stain the printer your han
40. I 0 01 50 1 i R414 ala C218 C224 3300 35V 71 00150 LOGIC GND VH GND VM GND Paper Feed Motor LFA APPROX 67Q phase FP184 R405 2 2K 1 10W FP183 LOGIC GND 01 B6 100K 1 10W VHC O R416 4 7K 1 10W A C220 L 100 p 35V R415 100K 1 10W IP19 2 2 1 114 4 7K 1 10W IC6 STA481A R406 2 2K 1 10W R407 2 2K 1 10W R408 2 2K 1 10W P409 als ya R411 4 7K 1 10W o lo o o a o mov VM G ZD12 RD2 4SB lt 01 B6 gt CHSMI R402 470 1 10W Carriage Motor LOGIC BOARD 04 Part 5 Maintenance C221 L 100p 35V 0 51 1 4W R400 Carriage Motor Driver 12 M54679FP NC4 NC3 OUT2A OUT2B RS2 C222 0 0479 50V 52 VM2 GND14 GND13 GND12 GND11 GND10 GND9 GND8 NC2 PH2A ZD11 RD3 3SB1 CR 3 0 01 B7 lt 01 A2 gt PH2B FREF C223 T 0 047 p 50V IP66 REGOUT 10 2 1 2 a G 1 C211 VM lt 01 B6 gt lt 01 A6 gt e Paper Feed Motor Drivre 5 30 The printing paper contains 70 waste paper Canon PRINTED IN JAPAN IMPRIME AU JAPON CANON INC
41. ME button and execute a test print The nozzle check pattern is printed out No Yes Replace the logic board Check the computer s settings Printer driver settings Settings correct Yes Set again Transfer the print data from the host computer to the printer Is the data printed correctly ilo 2 Y 1 Replace the interface cable 2 Replace the logic Interface connector is faulty board MPU amp Printer controller is faulty 5 20 BJ C 1000 Part 5 Maintenance 5 LOCATION amp SIGNAL ASSIGNMENT 5 1 Logic Board Figure 5 3 Logic Board J1 CNH Ribbon cable connector Pin No Signal name IN OUT Description 1 Not used 2 HPS A OUT Photo LED drive 3 GND ee Ground 4 HPS IN Home position sense High Low sense 5 HSEG7 OUT SEG7 heat enable 6 OUT heat enable 7 GND 2 Ground for head rank 8 HRANK3 IN Head rank sense 9 HRANK2 IN Head rank sense 10 HRANK1 IN Head rank sense 11 ID1 IN BJ cartridge recognition signal See Table 5 1 12 5 OUT COM5 heat enable 13 ID3 IN Not used 14 HCOM6 OUT COM6 heat enable 15 ID2 IN BJ cartridge recognition signal See Table 5 1 16 GND Ground 17 HCOM7 OUT heat enable 18 HSEG3 OUT SEG3 heat enable 19 HCOM4 OUT heat enable 20 HSEG2 OUT SEG2 heat enable 21
42. ONS 2 5 2 1 General Specifications 2 7 2 2 Paper Specifications 2 9 2 3 Interface Specifications BJ C 1000 Part 2 Product Specifications 1 PRODUCT OUTLINE 1 1 Product Outline This printer enjoys the realization of photo like high image quality printing The printer uses three types of BJ cartridges the color BJ cartridge the photo BJ cartridge and the black BJ cartridge The printer is capable of high speed high quality 360 dpi X 360 dpi H X V printing Also with the black BJ cartridge smoothing can be used to obtain a resolution of 720 dpi X 360 dpi H X V This new compact printer is light in weight and very economically priced Paper Support Paper Guide Cut Sheet Feeder Reset button Front Cover AC Adapter Parallel Interface Connector Figure 2 1 Printer Appearance 2 1 Part 2 Product Specifications BJ C 1000 1 2 Features 9 Compact desk top size External dimensions 360 mm W X 174 mm D X 160 mm Weight Approx 2 2 kg 4 9 lbs excluding BJ cartridge and options Only RESUME button on the operation panel No LED and buzzer Errors will be displayed on the host computer monitor The host computer should be set to Nibble mode and use the BJ status monitor with Windows95 98 New AC adapter High quality printing of 720 X 360 dpi Smoothing With black BJ cartridge BC 02 and exclusive printer driver Windows exclusive printer used with the Canon original printer
43. ROM cannot be rewritten into the new EEPROM after the logic board is replaced The data in the new logic board s EEPROM is not set After the logic board EEPROM is replaced reset the EEPROM as described in Part 3 2 4 EEPROM Reset page 3 13 When replacing the logic board visually check the amount of waste ink in the waste ink absorber Replace the bottom cover if necessary Depending on the amount 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 Waste Ink Absorber Figure 5 2 Bottom Cover 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 printed more sheets than its service life called for However this depends on how many times the cartridge has been replaced and the usage conditions When a color BJ cartridge is used more ink is consumed due to head maintenance as compared to a black BJ cartridge Therefore the waste ink amount will also be more ore When a waste ink full error occurs it can be assumed that the printer has 5 4 BJ C 1000 Part 5 Maintenance 4 TROUBLESHOOTING 4 1 Troubleshooting 4 1 1 Overview This chapter consists of the following two sections on subsequent pages Error condition diagnosis for diagnosing the probl
44. S2 EE SX1055 03 F2 03 E4 03 D3 03 B3 gt 02 D2 03 C7 03 B7 gt IFD 7 0 lt 01 2 gt _ lt 03 E6 03 D3 03 E4 03 B3 gt 10 1 10W Vif BLM21A025 x 8 Part 5 Maintenance LOGIC BOARD 03 CNIF J5 FCN 684J036 L U B 36pin 10 1 10W 10 1 10W 10 1 10W 10 1 10W 10 1 10W z 10 1 10W jo o 9 99 99 99 99 10 1 10W lt 03 F2 03 03 03 6 03 83 gt R54 100 1 10W R55 1K 1 10W RA4 3 3K 1 8W BLM21A1025 R304 1K 1 10 ANN ss C27 T 470p 50V R300 10 1 10W 03 F2 03 E4 03 E6 03 B3 R83 1K 1 10W BLM21A1025 x 8 R301 10 1 10W C300 470p 50V R302 10 1 10W C301 470p 50V R303 10 1 10W C302 470p 50V 9 999 R308 10 1 10W C303 470p 50V R305 1K 1 10W C308 470p 50V R306 1K 1 10W R307 1K 1 10W C28 2 ANN R56 0 010 50V 100 1 10W Pick up Roller Sensor lt 03 F2 03 E4 03 E6 03 D3 gt ME 390 1 10W FP205 FP207 7 FP206 R57 ANN 3 3K 1 10W Centronics I F 5 29 BJ C 1000 lt 01 B2 gt lt 01 B2 gt F100 ANN 10K 1 10W 021 28J377 2 7B1B 1899 NC 3 70100 RD6 8SB3 100 35 C215 r5 C205
45. a receiving by making the Host Busy signal High Ptr Busy Output Reverse data transmission phase Indicates bit 3 and bit 7 of the transmission data Ack Data Req Output Reverse data transmission phase Indicates bit 2 and bit 6 of the transmission data Negotiation phase Trigger signal to inform the host computer of the printer s is condition Whether it supports nibble mode or not whether there is reverse transmission data or not Xflag Output Reverse data transmission phase Indicates bit 1 and bit 5 of the transmission data Negotiation phase Informs the host computer whether printer supports nibble mode or not synchronizing with the falling edge of the Ack data Req signal Low means that it supports nibble mode 2 11 Part 2 Product Specifications BJ C 1000 Host Busy Input eReverse data transmission phase Indicates that the host computer is ready to receive the data from the printer by making the Host Busy signal Low After that it goes High in synchronizing with Low pulse of Ptr Clk signal to verify receiving data Reverse idle phase The Host Busy signal goes High in response to the Low pulse of the Ptr Clk signal and enters the reverse data transmission phase again INIT Input When this signal becomes Low the printer s state becomes BUSY When the signal changes from Low to High it resets the printer control system to the initial state This signal is normally High and the pulse width must be at least
46. and there is no abnormal noise No Repair replace faulty parts Carriage motor Turns on during initialization operation check Out of sync Correct No y Yes Carriage motor check Measuring points Normal reading Approx 110 Replace carriage motor and check waste ink Replace logic board absorbers Yes Home position Measuring points Sensor Normal reading sensor check J1 Open Low level Pin No 29 Closed High level While the power is on open the front cover and remove the BJ cartridge Move the carriage s home position sensor by hand and check Home position sensor is faulty Replace carriage i Ribbon cable is loose unit Y Replace logic board MPU amp Printer controller is faulty 5 10 BJ C 1000 3 Paper Feed Error Paper Jam Measure Part 5 Maintenance Cause The paper feed operation is executed but the paper is not fed The paper eject operation is executed but the paper is not ejected Suspected Parts Paper feed mechanism pick up roller sensor paper end sensor logic board Visual check of paper feed mechanism Visually check for paper jams Check for gear deformation or damage No Correct Yes Repair replace faulty part Wc Ero econ gt No END Paper feed During in
47. anner Printing 7 Name of the Parts and Their Functions 2 PRINTER SERVICING FUNCTIONS 2 1 Error Indications 2 2 Cleaning the BJ Cartridge 2 3 Self Test Printout 2 4 EEPROM Reset h a 1 o S T 0 Co CO 1 1 BJ C 1000 Part 3 Operating Instructions 1 PRINTER SETUP 1 1 Equipment Check After unpacking the printer make sure the items below are included Paper Support Power Cord Documentation Read This First BJ Cartridge d Packing Packing 5 BJ Cartridge Container Packing Figure 3 1 Packaging 3 1 Part 3 Operating Instructions BJ C 1000 1 2 Printer Dimensions The printer s dimensions are shown below Allow enough space for the printer to be used with ease For banner printing leave a space about the size of two A4 size papers in front of the printer Also allow enough space at the back of the printer to set the banner paper 240 mm 160 mm Figure 3 2 Printer Dimensions Do not place the printer in excessive heat or humidity ore 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 prin
48. at it does not touch the head However when the carriage moves from right to left the wiper wipes off the ink from the BJ cartridge s face plate at the following times when the printer is turned on once every 60 seconds or after a set dot count is reached during printing when the paper feed operation ends when the pumping operation ends and when the cap is opened or closed 3 Cap unit The cap unit has a rubber cap When the carriage moves to 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 nozzles for a test to adjust the nozzles in the following cases when the printer is turned on during printing when wiping occurs during printing when paper feeding ends when the pumping operation ends and when the cap opens 5 Slide lock pin The slide lock pin moves the cap when the carriage moves from left to right and reaches the capping position Capping is thereby executed and the slide arm is unlocked When the slide arm is unlocked the feed roller s rotation is transmitted to the purge drive gear and sheet feeder E 10 11 qu Slide Lock Pin
49. ater Y M C each 16 nozzles HDO HDI HEAT Sub heater e Temperature control eater Rank resistor Figure 4 24 Logic Board Block Diagram MECHANISM SECTION Paper Feed Roller Home Position Sensor BJ Cartridge I Sheet urge Unit H Carriage Feeder Paper Feed Motor Carriage Motor Pick Up Roller Paper End Sensor Mechanism Cartridge Control Control VH 27 6 Temp Adapter Logic Board Voc 5VDC TH1 Bi Directional Interface Control aS RESET Button 4 ELECTRICAL SECTION Figure 4 25 Printer Block Diagram 4 25 Switch Detection Part 4 Technical Reference BJC 1000 4 2 2 Logic section components 1 MPU amp Printer controller IC 1 The MPU amp Printer controller contains a 16 bit CPU 1K bit RAM 20 bit address bus port 16 bit data bus port stepping motor controller A D converter interface controller DRAM controller buffer controller print head controller I O port and other components MPU amp Printer controller is synchronized with 16 MHz and 22 11 MHz external clock input Built in CPU The 16 bit CPU generates the 8 MHz clock from the 16 MHz external clock input and is synchronized with the clock Address bus The 20 bit addres
50. c CANON INC BJ Products Technical Support Dept 16 1 Shimonoge 3 chome Takatsu ku Kawasaki shi Kanagawa 213 8512 Japan This manual was produced on an Apple Macintos Power Mac 8500 180 personal computer and Apple LaserWriter 16 600PS J laser beam printer final pages were printed on Varityper 5300 with 4000 J RIP All graphics were produced with MACROMEDIA FREEHAND 7 0J All documents and all page layouts were created with QuarkXPress 3 3J I ABOUT THIS MANUAL This manual is divided into five sections and contains information required for servicing the unit Part 1 Safety and Precautions This section tells you how to service the unit safely It is very important so please read it Part 2 Product Specifications This section outlines the products specifications Part 3 Operating Instructions 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 circuit diagrams are given Procedures for assembly disassembly are not given in this manual See the illustrations in the separate Parts Catalog ll TABLE OF CONTENTS Page Part 1 Safety and Precautio
51. connector on the printer logic board Cartridge types can be distinguished with combinations of pins 11 and 15 as shown in the table below Pin No Signal name Cartridge type Black Color Photo 11 High Low High 15 ID2 Low High High 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 quantity of ink ejected from the nozzles is controlled to obtain the optimum print density by controlling the heat pulse width pre main pulse width every 50 ms based on the following information the ambient temperature sensed by the temperature sensor on the logic board the number of dots printed by the printer the head temperature predicted from the switch on time of the warm up heater and the head rank ID for correcting production variations of the bubble jet head unit the heater drive voltage is fixed at 27 6 V DC 4 16 BJC 1000 Part 4 Technical Reference 3 3 Purge Unit 3 3 1 Purge unit functions 1 Capping function The purge unit s cap is pressed against the face of the print head to prevent the ink from drying out or leaking If print data is not received for 60 seconds or more during a printing operation the purge unit wipes the printing head face If print data is still not received for another 60 seconds the purge unit caps the printin
52. d by the waste ink absorber If the amount of waste ink discharged exceeds the absorption capacity of the waste ink absorber ink might leak from the printer To prevent ink from leaking the waste ink absorber capacity is estimated and detected when full Part 4 Technical Reference 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 TABLE 4 2 LIST OF SENSOR FUNCTIONS Sensor Function Description Status Paper detection Detected by the paper sensor Provided Home position detection Detected by the home position sensor Provided BJ cartridge detection BJ cartridge identification Waste ink amount detection Paper width detection Ink detection Detected by the HEATER signal of BJ cartridge Provided Identified by combination of the ID1 and ID2 Provided signals pins 11 and 15 of connector J1 on the control board Calculated with the maintenance jet dot count Provided Not provided Not provided Cartridge types can be distinguished with combinations of the ID1 and ID2 signals as shown in the table below Pin No Signal name Cartridge type Black Color Photo 11 ID1 High Low High 15 ID2 Low High High
53. ds or clothes during repair The ink path is the nozzle section of the BJ cartridge head cap head wiper maintenance jet receiving section and the waste ink absorbers For the color BJ cartridge the ink inlets of the ink cartridge and the joint pipes of the print head body are also part of the ink path so take the same care with them CAUTION The ink is not a 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 immediately Please provide the doctor with the information printed on the BJ cartridge label This ink contains dyes and cannot be removed from clothing etc Ink Absorber Figure 1 2 Ink Path 1 2 BJ C 1000 Part 1 Safety and Precautions 1 2 2 Ink mist The BJ cartridge ejects ink onto the paper However after the printer has been used for a long period of time or under heavy 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 Platen Front
54. e first 16 nozzles are for yellow the next 8 nozzles are unused the second set of 16 nozzles are for magenta then a space of 8 nozzles and the third set of 16 nozzles are for cyan Black BJ Cartridge Color BJ Cartridge Photo BJ Cartridge Nozzle 64 27 0 B Yellow Nozzles 16 Space of 8 Nozzles Magenta Nozzles 16 gt Space of 8 Nozzles i Cyan Nozzles 16 B Nozzle 1 Figure 4 10 Nozzle Arrangement 3 Signal connection point contact pad s 5 Al S Al S S A all BEES Leo ll Sas Figure 4 11 Contact Pad 4 13 Part 4 Technical Reference BJC 1000 4 Circuit diagram COM2 COM8 TMPSENIA TMPSENICA TMPSEN2A TMPSEN2C amp HEATER HGND1 HEATER2 9 HGND2 6 Figure 4 12 Bubble Jet Head Driver Block Diagram Black BJ Cartridge Figure 4 13 Bubble Jet Head Driver Block Diagram Color BJ Cartridge 4 14 BJC 1000 Part 4 Technical Reference Figure 4 14 Bubble Jet Head Driver Block Diagram Photo BJ Cartridge 5 Head rank ID One of four head rank IDs is selected to correct production variations in the bubble jet head units The head rank ID is di
55. e BJ Cartridge 1 5 Figure 1 5 Spurs 1 6 Figure 1 6 Contact Section of the Carriage Ribbon Cable 1 6 Figure 1 7 Capping Position 1 8 Figure 1 8 Printer Electrical System 1 9 Figure 1 9 How to Release Plastic Hooks 2 1 Figure 2 1 Printer Appearance 2 3 Figure 2 2 Color and Photo BJ Cartridges 2 3 Figure 2 3 Black BJ Cartridge 2 4 Figure 2 4 BJ Cartridge Container 2 4 Figure 2 5 Consumables 2 8 Figure 2 6 Printing Area 2 8 Figure 2 7 Printing Area Envelope 2 8 Figure 2 8 Printing Area Banner Paper 2 13 Figure 2 9 Timing Chart Compatible Mode 2 13 Figure 2 10 Timing Chart Nibble Mode 3 1 Figure 3 1 Packaging 3 2 Figure 3 2 Printer Dimensions 3 3 Figure 3 Connecting the Interface Cable 3 4 Figure 3 4 Removing the BJ Cartridge Protectors 3 4 Figure 3 5 BJ Cartridge Handling Precautions 3 5 Figure 3 6 Cartridge Installation 3 5 Figure 3 7 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 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 Block Diagram 4 2 Figure 4 2 Printing Signal Flow 4 3 Figure 4 3 Nozzle Arrangement 4 4 Figure 4 4 Printing Signals 4 5 Figure 4 5 720 dpi Printing Smoot
56. eel off the protective tape as shown in the figure Figure 3 4 Removing the BJ Cartridge Protectors Do not unpack the BJ cartridge until it is ready to be used Do not reuse the cap and tape as doing so can clog the nozzles or mix the ink colors Do not touch the nozzles when removing the tape Scratching 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 area If this problem persists even after the ink cartridge is cleaned by the printer replace the BJ cartridge Do not shake the BJ cartridge after removing the cap and tape as ink may leak from the cartridge BJ cartridges cannot be disassembled reassembled or washed Figure 3 5 BJ Cartridge Handling Precautions 3 4 BJ C 1000 Part 3 Operating Instructions 2 Installing the cartridge Open the printer s front cover and flip up the cartridge lock lever Attach the BJ cartridge to the carriage and push down the cartridge lock lever to lock the BJ cartridge in place Figure 3 6 Cartridge Installation There are four types of BJ cartridges that can be installed in the printer BC 01
57. em when the cause is unknown and Symptoms for resolving problems whose cause is known If the cause of the problem is unknown diagnose the problem And if the cause is known follow the countermeasures to resolve the problem 4 1 2 Troubleshooting cautions l 2 Before troubleshooting make sure the connectors and ribbon cable are properly connected If the problem occurs at random be sure to check the connections When servicing the printer with its outer casing removed and the AC adapter connected beware of electrical shocks and PCB short circuiting Troubleshooting is described in flowchart form The following symbols are used in the flowcharts C 15 Start End Procedure Judgement Action Replace Jump Stop 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 lever and the paper thickness lever are set correctly and that the paper is loaded properly After replacing parts or repairing the printer be sure to make a test print to confirm that the problem has been fixed If the problem still persists troubleshoot again while skipping the steps already executed 5 5 Part 5 Maintenance Example BJ C 1000 Countermeasure After replacing the BJ cartridge execute a test printout to check whether the problem has been fixed If the problem pe
58. er 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 1 720 inch Add Dots Delete Dot 1 360 inch 1 360 inch Figure 4 5 720 dpi Printing Smoothing Feature 4 5 Part 4 Technical Reference 2 2 Printing Modes 2 2 1 Printing mode BJC 1000 Depending on the cartridge installed the media the printing mode the resolution the printing data etc the printer varies the carriage movement bubble jet head driving frequency etc to attain high quality printing without any bleeding or shifting in the printout The smoothing function is available only when using the black BJ cartridge When the 720 dpi printing smoothing feature is used the carriage feed pitch is set to 1 720 inch Although this slows down the carriage speed the bubble jet head s driving frequency heat frequency is increased so that the overall printing throughput decreases little When monochrome printing is conducted using the color BJ cartridge composite black is used as the color Composite black is made from three colors of Y M and C and it is printed in 66 7 duty of each color total approximately 200 duty The boundary line is printed with 100 duty of each color total 300 duty This makes the black color look darker With the photo BJ cartridge installed this printer prints pixels by dividin
59. er weight Automatic feed 64 to 105g m 17 lbs to 28 Ibs 2 5 Part 2 Product Specifications BJ C 1000 8 Printing speed Throughput Color printing BC 05 Monochrome printing BC 02 HQ mode 0 5 ppm 3 2 ppm HS mode 0 6 ppm 4 0 ppm 9 Printing direction 10 11 12 13 14 15 Switching unidirectional Printing direction automatically changes according to the print data print mode installed cartridge type Print width Max 203 2 mm 8 Line feed speed Approx 80 ms line 64 360 line feed Built in print control mode Canon extended mode is supported when using the Canon original printer driver Receive buffer 10 KBytes Interface IEEE1284 compatible 8 bit parallel BJ cartridges BC 02 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 X 3 Ink color Cyan magenta yellow Black is composite black No of pages printable Approx 80 pages HQ mode YMCBk 7 5 duty per color pattern continuous printing Weight Approx 62g 2 2 oz BC 06 Photo photo BJ cartridge Print head 48 nozzles in a vertical line YMC 16 nozzles X 3 Ink color Cyan magenta yellow Black is composite black No of pages printable Approx 45 pages HQ mode YMCB
60. es available in self test prints the nozzle check pattern and the service test print paper for a self test print will result in parts of the printout being printed All self test prints require Letter A4 size paper Using smaller sized 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 printer stops the test On the nozzle check pattern a pattern using all nozzles and the control ROM version are printed In the event that print defects appear perform a cleaning operation of the head If print quality does not improve even after the cartridge is cleaned five times replace the BJ cartridge Black BJ Cartridge Printed with the first nozzle neds Ver X XX Printed with the 64th nozzle Version Number of Control ROM Color BJ Cartridge Printed with the first nozzle 1 Ver X XX Printed with the 16th nozzle 21 Yellow 16 nozzles Magenta 16 nozzles 11 Cyan 16 nozzles H H Version Number of Control ROM Figure 3 13 Nozzle Check Pattern 3 11 Part 3 Operating Instructions BJ C 1000 2 3 2 Service test print On the service test print the control ROM version and EEPROM IC8 data are printed as shown below T
61. g head Other than during a printing operation if print data is not received after a certain period of time varies between 5 to 20 seconds the purge unit caps the print head 2 Cleaning function The cleaning 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 the purge unit cleans the printing head at the following times After the AC power cord is connected After the BJ cartridge is replaced Before the printing operation is performed and it has been 72 hours since the last time the head was cleaned When the printed dot count exceeds the set value When the RESUME button is pressed down for 2 seconds or more 4 17 Part 4 Technical Reference BJC 1000 3 3 2 Purge unit structure 1 Purge drive gear The purge drive gear which is driven by the transmission gear activates the cam controlling the pumping operation The transmission gear is rotated by the paper feed roller which is driven by the paper feed motor The cam s position is detected by the home position sensor via the sensor arm 2 Wiper unit When the carriage moves from left to right the wiper retracts so th
62. g the pixel data into 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 cartridge printing is conducted at a maximum total C Y M of 400 duty but the boundary lines are not emphasized The printing method for the respective printing modes are listed below TABLE 4 1 PRINTING MODES AND HEATING METHODS With a Black BJ Cartridge Printing Mode 2 Number of Nozzles Heat Frequency Fine 4 passes 16 nozzles 7 35KHz 7 35 KHz HQ Smoothing OFF l pass 64 nozzles 7 35KHz 7 35 KHz HQ Smoothing ON l pass 64 nozzles 10 42KHz 5 21KHz l pass 4 nozzles 2 18 7 HS 6 1 8 93KHz 8 93KHz With a Color BJ Cartridge Printing Mode 4 Number of Nozzles Heat Frequency Fine 2 passes 8 nozzles 7 35KHz 7 35KHz HQ l pass 16 nozzles 7 35KHz 7 35KHz HS l pass 16 nozzles 8 93KHz 8 93KHz With a Photo BJ Cartridge Printing Mode uU Number of Nozzles Heat Frequency Photo 2 passes 8 nozzles 11 4KHz 5 7KHz Carriage speed 4 6 BJC 1000 Part 4 Technical Reference 2 3 Optimum Printing Direction Control To prevent vertical misalignment of
63. ge are built in 1 Side cover This plastic cover is fixed to the cartridge body to prevent ink leaking from the ink sponge 2 Ink sponges Each color ink yellow magenta cyan is soaked in its respective sponge The yellow magenta and cyan ink sponges are compressed and stored in the cartridge body 3 Cartridge body This is a plastic case which links the ink sponge with the bubble jet head unit via the ink filter 4 Air 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 the signal contact ink is ejected through the 48 bubble jet nozzles 6 Head cover The plastic head cover protects the bubble jet head unit Ink Sponges Cartridge Body ir Hole with Pressure Regulation Caps Bubble Jet Head Unit Signal Contacts 1 Head Cover Figure 4 8 Color Photo BJ Cartridge Structure 4 11 Head Joint Hole Joint Pipe with Meshed Ink Filter 64 Bubble Jet Nozzles Part 4 Technical Reference BJC 1000 3 2 3 Bubble head unit structure 1 Bubble jet nozzles The ink in the sponge passes through a mesh type ink filter and flows
64. head equipped with 64 nozzles The printing head and ink cartridge are built in 1 Side cover This plastic cover is fixed to the cartridge body to prevent ink leaking from the ink sponge 2 Ink sponge This sponge is soaked with black ink It is compressed and stored in the cartridge body 3 Cartridge body This is a plastic case which links the ink sponge with the bubble jet head unit via the ink filter 4 Air Hole with Pressure Regulation Cap 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 the signal contact ink is ejected through the 64 bubble jet nozzles 6 Head cover The plastic head cover protects the bubble jet head unit Cartridge Body Air Hole with Pressure Regulation Cap Head Joint Hole Joint Pipe with Meshed Ink Filter 64 Bubble Jet Nozzles Faceplate Figure 4 7 Black BJ Cartridge Structure 4 10 BJC 1000 Part 4 Technical Reference 3 2 2 Color Photo BJ cartridge structure The color photo BJ cartridge has a printing head equipped with 64 nozzles through which the three ink colors are ejected 16 nozzles each for yellow magenta and cyan The printing head and ink cartrid
65. heck Paper present No Yes Y Paper eject operation Y Cartridge check Is cartridge installed Yes Y Auto cleaning Y Cleaning check C END Auto cleaning is not performed if the BJ cartridge is not installed Cleaning check is not performed if the BJ cartridge is not installed Purging operation error Error code 5C00 BJ C 1000 BJ C 1000 Part 5 Maintenance 4 2 2 Error recovery a Error display Cause The cartridge is not installed correctly 1 No Cartridge Suspected Parts Cartridge logic board carriage connector Error Code 5600 Measure BJ cartridge reinstallation Any error No display Y Yes END Replace BJ cartridge B Replace logic board K Replace carriage unit 5 9 Part 5 Maintenance 2 Home Position Error Code 5000 lt Measure gt BJ C 1000 lt Cause gt The home position cannot be detected lt Suspected Parts gt Home position sensor carriage motor logic board carriage ribbon cable Visual check of carriage drive mechanism 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
66. hing Feature 4 8 Figure 4 6 Printers Mechanical Configuration 4 10 Figure 4 7 Black BJ Cartridge Structure 4 11 Figure 4 8 Color Photo BJ Cartridge Structure 4 12 Figure 4 9 Bubble Jet Nozzles Partial View 4 13 Figure 4 10 Nozzle Arrangement 4 13 Figure 4 11 Contact Pad 4 14 Figure 4 12 Bubble Jet Head Driver Block Diagram Black BJ Cartridge 4 14 Figure 4 13 Bubble Jet Head Driver Block Diagram Color BJ Cartridge 4 15 Figure 4 14 Bubble Jet Head Driver Block Diagram Photo BJ Cartridge 4 15 Figure 4 15 Head Rank ID 4 16 Figure 4 16 Head Temperature Controller 4 18 Figure 4 17 Purge Unit 4 19 Figure 4 18 Carriage Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure Figure 4 19 4 20 4 21 4 22 4 23 4 24 4 25 4 26 5 1 5 5 5 5 5 5 NOOR OON Paper Thickness Adjustment Paper Feed Motor Drive Transmission Paper Feed Mechanism Paper Separator Printer Electrical System Logic Board Block Diagram Printer Block Diagram Sensors Grease Application Points Bottom Cover Logic Board Carriage Ribbon Cable Contact Pad Logic Board Top View Logic Board Bottom View Vi IV TABLE INDEX Page 3 7 3 10 3 13 4 6 4 29 5 23 3 3 3 4 4 TABLE 5 WD QUICK REFERENCE FOR SETTING ERROR INDICATIONS DEFAULT SETTING WHEN RESETTING THE EEPROM PRINTING MODES AND H
67. ical Reference 3 5 2 Structure of the sheet feeder This printer has no paper selection lever on the cut sheet feeder If the paper meets specifications it can be fed without selecting the paper type The paper is loaded in the cut sheet feeder such that a corner of it is caught by the paper separator When printing starts the pick up roller starts to rotate through the drive of the paper feed motor Plain paper is fed with its corner held by the paper separator and then pushed into the paper 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 automatically until it reaches the starting position for printing When the paper pick up operation is executed if no paper is sensed it is executed again If the paper is still not sensed it is assessed as a paper feed error Pick Up Roller Paper Separater 7 lt Plain Paper Pick Up gt lt Thick Paper Pick Up gt Figure 4 22 Paper Separator 4 23 Part 4 Technical Reference BJC 1000 4 PRINTER ELECTRICAL SYSTEM 4 1 Overview The electrical system functions are handled by the logic section or power supply The logic section converts the data f
68. inted on the service test print See 2 3 2 Service test print page 3 12 1 Total number of sheets for black color and photo ink cartridges respectively 2 Total waste ink absorption amount Resetting the EEPROM will permanently erase all data contained 3 13 Part 3 Operating Instructions This page intentionally left blank 3 14 Part 4 TECHNICAL REFERENCE AD 1 1 1 1 1 5 9 1 00 40 01 01 1 BOR m AN 4 24 4 25 4 28 4 28 4 28 4 28 4 29 4 29 OVERVIEW 1 1 Block Diagram 1 2 Printing Signal Flow 1 3 Print Drive FIRMWARE 2 1 720 dpi Printing Smoothing Feature 2 2 Printing Modes 2 3 Optimum Printing Direction Control PRINTER MECHANICAL SYSTEM 3 1 Overview 3 2 BJ Cartridge 3 3 Purge Unit 3 4 Carriage 3 5 Paper Feed PRINTER ELECTRICAL SYSTEM 4 1 Overview 4 2 Logic Section SENSOR FUNCTIONS 5 1 Pick Up Roller Sensor 5 2 Paper End Sensor 5 3 Home Position Sensor Purge Sensor 5 4 Temperature Sensor 5 5 Waste Ink Amount Detection BJC 1000 1 OVERVIEW 1 1 Block Diagram 0 Paper Feed Motor Logic Board 2 Carriage BJ Cartridge 552 rss Home Position Sensor Part 4 Technical Reference Carriage Motor Paper Feed Motor Driver
69. ion Purge Drive Gear Cut Sheet Feeder s Gear Sheet Feed Position Paper Feed Position Purge Drive Position Lock Position Figure 4 20 Paper Feed Motor Drive Transmission 4 21 Part 4 Technical Reference BJC 1000 3 5 Paper Feed 3 5 1 Outline of the paper feed 1 Paper feed mechanism The paper feed mechanism supplies paper from the built in cut sheet feeder The built in cut sheet feeder is driven by the paper feed motor Paper stacked in the sheet feeder is picked up and fed automatically Even thick paper like envelopes can be fed automatically without selecting the paper type mechanically with the paper selection 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 however paper ejection can be performed with the RESUME button BJ Cartridge Paper Paper End Sensor E zi Flag Pick up Roller Sensor 3 OMM 1 f y Pick up Roller Spur Pressure Roller Eject Roller Transmission Roller Feed Roller Figure 4 21 Paper Feed Mechanism 4 22 BJC 1000 Part 4 Techn
70. isplayed when the home position can not be detected 4 Carriage control error Occurs when the print position can not be corrected 5 Printer temperature sensor error Occurs when the temperature 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 irregular 3 10 BJ C 1000 Part 3 Operating Instructions 2 2 Cleaning the BJ Cartridge Press and hold the RESUME button for two seconds or more The cleaning time is approximately 20 seconds After the cleaning execute a test printout of the nozzle check pattern to check the print quality Double click the RESUME button The printer cleans the BJ cartridge automatically at the following times 1 When the printer is turned on for the first time When the AC plug is plugged in 2 After the BJ cartridge is replaced 3 After the printer has been on for 72 hours following the last cartridge cleaning with a black BJ cartridge installed 4 After printing a prescribed number of dots 2 3 Self Test Printout This printer has built in self test functions which can be executed without any connection to a computer There are two print mod
71. itial position is detected the flag interrupts the sensor 5 2 Paper End Sensor The photo interrupter 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 and detects the carriage position After the edge is detected the carriage moves to the right At the home position the maintenance jet is executed Also at the capping position the on off of the home position sensor purge sensor flag during the recovery operation is detected 4 28 BJC 1000 5 4 Temperature Sensor The temperature sensor is a thermistor which detects the printer s internal temperature The thermistor s resistance changes along with any temperature changes The change in the resistance is detected as a change in the voltage by the MPU amp Printer controller The analog value input to the MPU amp Printer controller is converted into a digital value by the internal A D converter The temperature is thereby detected After the printer temperature is detected the head driving and head temperature adjustment signal are controlled accordingly 5 5 Waste Ink Amount Detection Waste ink is discharged for head maintenance and absorbe
72. itialization do the paper feed motor operation check pick up roller feed roller eject roller etc rotate Any abnormal noises Is the paper feed motor out of sync Correct Yes Y No Repair replace faulty part Replace logic board Paper feed check When the pick up roller turns is the paper fed properly from the sheet feeder Correct Next Page Check sheet feeder unit Separation Sheet 0 1 2 2 7 M Lp lt lt m b 7 4 Rubber Ring Any contamination wear or deterioration of the pick up roller s rubberring separation sheet rod cam dislocation gear deformation or damage etc 5 11 Part 5 Maintenance Previous Page BJ C 1000 Pick Up Roller Sensor Flag Paper Paper sensor Pick Up Roller Sensor Pick Up Roller Pick up roller sensor flag check Paper Sensor Arm Correct Yes Check for pick up roller sensor flag deformation or damage No Replace pick up roller unit Y Pick up roller sensor check Measuring points Sensor Normal reading MPU amp Printer controller Open Low level Pin No 49 Closed High level Initial condition Check by moving the pick up roller by hand while the powerison Correct No Yes Replace logic board d Check
73. ive times replace the BJ cartridge Figure 2 2 Color and Photo BJ Cartridges 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 for black printing When using the black BJ cartridge in the smoothing mode 720 H X 360 V dpi printing is possible When the ink runs out or 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 black BJ cartridge Figure 2 3 Black BJ Cartridge 2 3 Part 2 Product Specifications BJ C 1000 1 4 BJ Cartridge Container The cartridge container is used for storing a BJ cartridge which is not being used When storing a BJ cartridge in this container be sure to close the cover completely Store a BJ cartridge which are not installed in the printer Figure 2 4 BJ Cartridge Container 1 5 Consumables 1 5 1 BJ cartridges Black Color and Photo Black BJ Cartridge Color BJ Cartridge Photo BJ Cartridge Figure 2 5 Consumables The numbers of sheets that can be printed with the color and black cartridges 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 B
74. k 7 5 duty per color pattern continuous printing Weight Approx 62g 2 2 oz 2 6 BJ C 1000 Part 2 Product Specifications 16 Detection functions Paper out Presence of BJ cartridge Waste ink amount Paper width Distinction of cartridge Ink out 17 Noise Sound pressure level Available Available Available None Available None Approx 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 95 F 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 AC 100 to 120V 50 60 Hz AC 220 to 240V 50 60 Hz Approx 20 W Max Approx 20 W Max Approx 2W Max Approx 2W Max 20 External dimensions 360 mm W X 174 mm D X 160 mm H 21 Weight Approx 2 2kg 4 9 Ibs 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 5mm Envelopes Right p Transparencies Left 20 pages Back print Film Left 10 pages Glossy photo paper Right 1 page High gloss film Left 1 page High resolution paper Left 5mm T shirt transfers Left 1 page Fabric sheet Right 1 page Banner paper Right 1 page
75. l the entire print drive control system Print Buffer MPU amp Logic Board Printer Controller Control ROM Motor Drivers Sensors Print signal Control signal Figure 4 2 Printing Signal Flow 4 2 BJC 1000 Part 4 Technical Reference 1 3 Print Drive To eject ink from the head for printing the printer controller generates control signals to the BJ head The control signals consist of the drive control signal for ejecting ink from the head s nozzles and the temperature control signal for adjusting the head s temperature so that the amount of ink ejected is uniform To achieve optimum printing both these control signals are optimized by the printer controller and sent to the BJ head through the carriage ribbon cable The drive frequency varies depending on the printing mode and BJ cartridge type 1 3 1 Printing drive control a Black BJ cartridge drive control The driving control of 64 nozzles in the black BJ cartridge is executed by the matrix structure of 8 COM signals and 8 SEG signals The COM signal connects the COM1 to COMS circuits to the head drive power supply VH in order that the 64 nozzles are ready to print in units of eight nozzles While the COM signal is connected to the head drive power supply the SEG signal connects the SEG circuits to SEG8 for the even and odd numbered nozzles to the ground and applies the heater vol
76. ng up the printer make sure the carriage is in the capping position the right end of the platen Figure 1 7 Capping Position BJ C 1000 Part 1 Safety and Precautions 3 PRECAUTIONS FOR SERVICE 3 1 EEPROM Data Precautions The printer keeps track of various settings the total waste ink amount and the total sheets printed with the black color and photo BJ cartridges This data is stored in the EEPROM on the logic board Note the following precautions during servicing 1 Before servicing Check the EEPROM data with a test print The total sheets printed can give you an idea of how much the printer has been used 2 During logic board EEPROM replacement Always visually check the waste ink amount absorbed by the waste ink absorbers and replace them when necessary as explained in Part 5 3 3 Logic Board and Bottom Cover Replacement Cautions page 5 4 If the waste ink absorbers are not visually checked regularly they may reach or exceed their full capacity before waste ink full is detected The waste ink may therefore start leaking The memory data for the replacement logic board EEPROM is not defined Therefore after replacing the logic board and EEPROM 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
77. nk absorption amount recorded in the EEPROM When the ink absorber is replaced the data on the total waste ink absorption amount in the EEPROM must be reset Furthermore when the logic board is replaced the new logic board s EEPROM must be reset and the waste ink absorber must be also replaced at the same time To reset the EEPROM follow the procedure below 1 Without the cartridge installed connect the plug of the AC adapter to the AC outlet while holding down the HESUME button 2 Release the RESUME button Hold down the RESUME button for two seconds or more and release it Co Press it down again within five seconds and release it 4 Set EEPROM by pressing the HESUME button as shown in the table below TABLE 3 3 DEFAULT SETTING WHEN RESETTING THE EEPROM Operation Contents of setting Hold down for two seconds or more Press once Press twice Second time within one sec of first time EEPROM reset amp destination setting Other than Japan Destination setting Japan Destination setting Others reference Will not reset EEPROM 5 To check this procedure power off the printer first then after turning the printer on again make a service test print See 2 3 2 Service test print page 3 12 Be careful when performing the above operation as the EEPROM data cannot be recovered once it is reset 2 4 2 Printing the EEPROM data The following data recorded in the EEPROM can be pr
78. ns 1 1 1 PERSONAL SAFETY PRECAUTIONS 1 1 1 Moving and Rotating Parts 1 1 2 Ink Stains 1 1 2 1 Ink path 1 1 2 2 Ink mist 1 2 MACHINE PRECAUTIONS 1 2 1 Precautions for Handling BJ Cartridges 1 2 1 1 Turning the printer ON OFF 1 2 1 2 When the printer is not in use 1 2 1 3 Transportation precautions 1 2 1 4 Ink electroconductivity 1 2 2 Printer Handling 1 2 2 1 Spur deformation prevention 1 2 2 2 Precautions to prevent damage from static electricity 1 2 2 3 Ink leakage precautions 1 3 PRECAUTIONS FOR SERVICE 1 3 1 EEPROM Data Precautions 1 3 2 Static Electricity Precautions 1 3 3 Disassembly and Reassembly Precautions 1 3 4 Built in Self diagnostic Functions 01 01 A A A ROND 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 Specifications 2 7 2 2 1 Paper setting 2 8 2 2 2 Printing range 2 9 2 3 Interface Specifications Part 3 Operating Instructions 3 1 1 PRINTER SETUP 3 1 1 1 Equipment Check 3 2 1 2 Printer Dimensions 3 3 1 3 Setup Procedure 3 3 1 3 1 Connecting the interface cable 3 3 1 3 2 Turning on the printer 3 4 1 3 3 Installing the cartridge 3
79. otal Number of Pages Passed When Using Cartridge r 1 ROM Ver X XX BC 02 LostInk XX X PageCount gt BK XXXXX CL XXXXX LD XXXXX Photo Color Black Total Waste Ink Amount absorption ratio of the waste ink absorber 96 Version Number of Control ROM Figure 3 14 Service Test Print The service test print is produced in the following procedure 1 Without a cartridge installed connect the plug 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 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 3 12 BJ C 1000 2 4 EEPROM Reset Part 3 Operating Instructions The EEPROM records various settings the data on the total number of sheets printed and the total waste ink absorption amount for the color and black ink cartridges respectively The total number of sheets printed and the total waste ink absorption amount can serve as a reference for how much the printer has been used The EEPROM must be reset when the logic board or the bottom cover is replaced See Part 5 Logic Board and Bottom Cover Replacement Cautions page 5 4 for details 2 4 1 EEPROM Reset Waste ink full is detected with the total waste i
80. ount of shock absorbing materials 1 4 BJ C 1000 Part 1 Safety and Precautions 2 1 4 Ink electroconductivity The ink in the BJ cartridge is electroconductive If ink leaks into the printer s mechanical parts use a damp paper towel etc to wipe clean Ifit leaks into the printer s electrical components use tissue paper etc to wipe clean completely If ink gets into the IC chips on the PCB 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 where the spurs have contacted the paper Figure 1 5 Spurs Part 1 Safety and Precautions BJ C 1000 2 2 2 Precautions to prevent damage from static electricity The electrostatic charge accumulated on clothing can damage electric elements and their characteristics Do not touch the contact points of the carriage ribbon cable and BJ cartridge Contact Points Figure 1 6 Contact Section of the Carriage Ribbon Cable 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 packi
81. ribbon cable see Figure 1 6 when the carriage ribbon cable is connected to the logic board Electrostatic Discharge Logic Board Figure 1 8 Printer Electrical System 1 8 BJ C 1000 Part 1 Safety and Precautions 3 3 Disassembly and Reassembly Precautions The printer is comprised of a large number of plastic parts When disassembling the printer take care not to break or bend plastic 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 when unhooking them Never apply excessive force when releasing a hook Figure 1 9 How to Release Plastic Hooks 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 1 Error Indications Page 3 10 Part 1 Safety and Precautions BJ C 1000 This page intentionally left blank Part 2 PRODUCT SPECIFICATIONS Page 2 1 1 PRODUCT OUTLINE 2 1 1 1 Product 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 SPECIFICATI
82. rom the interface into print signals or printer operation signals and drives the BJ cartridge and motors while 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 RESUME button Carriage Motor MPU amp Printer Controller Control ROM Paper End Sensor Pick up Roller Sensor Carriage Motor Driver Paper Feed Motor Paper Feed Motor Driver Figure 4 23 Printer Electrical System 4 24 BJC 1000 Part 4 Technical Reference 4 2 Logic Section 4 2 1 Logic section block diagram Address Bus A1 to A20 Data Bus ADO to AD15 Reset IC D0 15 DRAM Bus MAO 8 Parallel Interface BL ILLI ControlROM Driver ree Paper Feed Motor 8 m Reset Switch as P86 P93 95 qu EEPROM 1 2 Carriage Motor Printer Temperature CRSTB P83 Sensor TH1 a PES P41 Paper End Sensor PS1 tH RRS P85 HHE Pick Up Roller Sensor PS2 Hg P34 HPS P40 Home Position Sensor P51 AN1 P35 P52 AN2 P72 P53 AN3 BJ Cartridge Black BJ Cartridge eater 64 nozzles Color Photo BJ Cartridge e
83. rsists execute the next countermeasure step 2 which calls for the replacement of the logic board Remove and reinstall the cartridge Printer recognizes the cartridge 1 Replace the cartridge Cartridge is faulty Check the cartridge 2 Replace the logic board C END gt 6 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 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 5 6 BJ C 1000 Part 5 Maintenance 4 2 Error Condition Diagnosis 4 2 1 Initial self check C START y Connect the AC power power on Y MPU s RAM DRAM check Y Temperature sensor check Y EEPROM check ROM check Y Cartridge check DRAM check Y Waste ink check Waste ink full error Y Home position error Printing position correction operation Error code 5000 Yes Carriage control error Error code 5100 Part 5 Maintenance Previous Page y Paper feed motor initialization y Pick up roller initialization Y Paper c
84. rt Supports the stack of paper loaded in the cut sheet feeder if Cut Sheet Feeder Holds a stack of approximately 50 cut sheets 64g m for automatic feeding Paper Guide Aligns the cut sheets in the 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 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 cleaning operation To recover an error press once and release To start the nozzle check pattern double click AC Adapter Installed on the rear of the printer the AC adapter supplies power from the power outlet to the printer Figure 3 10 Name of the Parts and Their Functions 1 3 8 BJ C 1000 Part 3 Operating Instructions 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 Figure 3 11 Name of the Parts and Their Functions 2 Paper thickness lever Adjusts the gap between the print head and paper according to the thickness of the paper There are two settings left for plain paper high resolution paper transparencies back print film glossy paper and high glossy film and right for thick paper envelopes and banner paper Figure 3 12 Paper Thickness Lever 3 9 Part 3
85. s bus port is connected to an 8 M bit control ROM and printer controller Data bus Like the address bus the 16 bit data bus port is connected to the 8 M bit control ROM Stepping motor controller The stepping motor controller outputs the carriage motor s single and two phase exciter drive signal and paper feed motor s two phase 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 amp printer controller ANO The printer s internal temperature is detected by the thermistor on the logic board ANI It detects whether the BJ cartridge is installed in the printer or not AN2 It monitors the VH voltage which drives the head of the cartridge ANS The head rank is detected by the rank resistor in the BJ cartridge Interface controller The interface controller receives from the computer 8 bit parallel data which is synchronized with the data strobe pulse STROBE through the BUSY ACKNLG handshake It also controls other interface signals DRAM controller The DRAM controller controls the 1 M bit DRAM s 8 bit addressbus and 16 bit data bus and also executes read write control RAS CAS control
86. signal 2 3 25 GND E GND for warm up heater voltage VH 1 26 HCOM2 OUT 2 heat enable 15 27 1 OUT 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 HEATER OUT Warm up heater voltage VH and Detection signal 22 23 32 GND ss GND for warm up heater voltage VH 24 Cartridge types BC 02 BC 05 and BC 06 can be distinguished with combinations of the ID1 and ID2 signals as shown in the table below TABLE 5 1 BJ CARTRIDGE RECOGNITION J1 pin no cartridge pin no Signal name Cartridge type BC 02 BC 05 BC 06 15 26 ID2 Low High High 11 28 ID1 High Low High 5 23 Part 5 Maintenance BJ C 1000 5 3 BJ Cartridges Ea Ed Es E3 E7 Ee Es rra prs 3 9 6 Figure 5 5 Contact Pad BLACK BJ CARTRIDGE Pin No Signal name IN OUT Description J1 pin no 1 HGND1 OUT GND for warm up heater voltage VH 2 HEATERI IN Warm up heater voltage VH and Detection signal 24 3 TMPSENIA IN Temperature sensor 1 anode Not Used 24 4 TMPSENIC OUT Temperature sensor 1 cathode Not Used 5 8 SEG1 4 IN SEG1 4 heat enable 22 20 18 23 9 16 COM1 8 IN COM1 8 heat enable 21 17 14 12 19 6 26 27 17 20 SEG8 5 IN SEG8 5 heat enable 28 5 29 30 21 TMPSEN2C OUT Temperature sensor 2 cathode Not Used 22 TMPSEN2A IN Temperature sensor 2 anode Not Used 31 23 HEATER2
87. splayed by a PCB pattern of contact points of the bubble jet head unit BJ Cartridge PIN No 29 30 31 32 32 32 32 31 31 31 ID Circuit Pattern 30 30 29 29 29 ID 1 ID 2 ID 4 Figure 4 15 Head Rank ID 4 15 Part 4 Technical Reference BJC 1000 6 Temperature control The optimum temperature of the BJ cartridge ink for high quality printing is about 23 73 4 F The bubble jet head unit has warm up heaters on the silicon plate The black BJ cartridge furthermore has temperature sensors but they are not used The printer controls the temperature by varying the heat pulse width pre main pulse width of the SEG signal and turning the warm up heaters on and off The ambient temperature is detected by the temperature sensor on the printer logic board not by the temperature sensors on the silicon plate If it is 16 C 61 F or less the bubble jet head unit nozzles are warmed by the warm up heaters Nozzle Section Warm up Heaters Temperature Sensors Not Used Figure 4 16 Head Temperature Controller 7 BJ cartridge detection feature The presence or absence of the BJ cartridge is always monitored The contact between the terminal of the warm up heater in the BJ cartridge and the carriage is checked 8 BJ cartridge recognition feature Whether the cartridge is a black color or photo BJ cartridge it is determined by pins 11 and 15 on the J1
88. ss setting The gap between the head and paper must be set to the optimum setting one of two settings to match the thickness of paper being fed This gap is adjusted by changing the angle of the carriage guide frame and the carriage attachment angle The gap between the platen and head thereby changes Left Envelope Position Plain Paper Figure 4 19 Paper Thickness Adjustment 4 20 BJC 1000 Part 4 Technical Reference 4 Switching the paper feed motor drive transmission The paper feed motor drives either the paper feed purge unit or cut sheet feeder according to the position of the carriage When the carriage is not at the right end the slide arm is locked by the purge unit s slide lock pin In this condition the paper feed is driven by the feed roller When the carriage is at the capping position the slide arm is unlocked and the paper feed motor drives the purge unit 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 E 3 Purge Unit Feed Direction Slide Arm Operation Locking Hole Direct
89. tage 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 print speed and temperature b Color BJ cartridge drive control With exception of the following points the head drive control of the color BJ cartridge is the same as that of the black BJ cartridge The nozzle configuration of color BJ cartridge is different from that of black BJ cartridge and the COM 1 and 2 signals are used for driving the nozzle heaters for C COM 4 and 5 signals for M and COM 6 and 7 for Y The color BJ cartridge has 16 nozzles each for Y M and C whereas the black BJ cartridge has 64 nozzles for black only _ N io N 2 z z z z z z Q Q Q Q Q Q O O O 0 O Nozzle 64 1 12299 m Ro 38 22 Pa surges 8 QN 7 O O Oe Oren SEG 1 bod 8 OHO HOH H O H H SEG 2 8 1101 o ia Ea 9 i 91360269 8 804 688 SEG 3 4 SEG 5 1 1 4 i 9 NEN 8 59 30 2463 45 42 SEG6 E Li a
90. ter on a level and stable surface Do not place the printer in areas subject to vibration Keep the printer clean When moving the printer hold both ends 3 2 BJ C 1000 Part 3 Operating Instructions 1 3 Setup Procedure Set up the printer as follows 1 3 1 Connecting the interface cable 1 Make sure that the printer s power cord is disconnected and the computer s power is turned off 2 Connect one end of the parallel interface cable to the parallel interface connector on the back 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 SS gt s SS em t V Figure 3 3 Connecting the Interface Cable 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 initializing operations Finally the carriage stops at the cartridge replacement position 3 3 Part 3 Operating Instructions BJ C 1000 1 3 3 Installing the cartridge Three types of cartridges can be installed in the printer two color BJ cartridges and Black BJ cartridge 1 Removing the BJ cartridge protectors Take out the BJ cartridge from the package then remove the cap protecting the nozzles and gently p
91. various types of paper Set the thickness lever before loading the paper TABLE 3 1 QUICK REFERENCE FOR SETTING Media Thickness Lever Flap Position Max stacking height Plain paper Left Flat 5mm LGL pages Bubble jet paper Left Flat 5mm Envelopes Right Flat 5 Transparencies Left Flat 20 pages Back Print Film Left Flat 10 pages Glossy Photo paper Left Upright 1 page High gloss film Left Flat 1 page High resolution paper Left Upright 5 T shirt transfers Left Flat 1 page Fabric Sheet Right Flat 1 page Banner paper Left Upright 1 page 1 6 Banner Printing When printing on banner paper set the paper support and set the paper delivery flap to the upright position To avoid misfeeding put a light crease between the first and second page and set the first page in the sheet feeder Place the rest of the banner paper behind the printer Each top margin for banner printing is set at Omm However to avoid printing on the 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 3 7 Part 3 Operating Instructions BJ C 1000 1 7 Name of the Parts and Their Functions The different parts of the printer and their functions are shown below Paper Suppo
92. waste ink amount 6 Paper feed motor driver IC IC6 Controlled by the MPU amp Printer controller the paper feed motor driver drives the paper feed motor controlled by the two phase exciter with a constant voltage unipolar drive The driver IC has four same circuits 7 Carriage motor driver IC IC12 Controlled by the MPU amp Printer controller the carriage motor driver drives the carriage motor controlled by the one to two phase exciter with a fixed current bipolar drive In accordance with the switching signal from the MPU amp Printer controller the peak current value is set to five steps and driven The driver IC has two same circuits 4 27 Part 4 Technical Reference BJC 1000 5 SENSOR FUNCTIONS The printer has a pick up roller sensor paper end sensor home position sensor purge sensor printer temperature sensor and head temperature sensor Also the EEPROM counts and records the waste ink absorption amount When the waste ink absorber becomes full the waste ink absorption amount indicates an error Temperature Sensor TH1 NN BJ Cartridge Paper End Sensor Home Position Sensor TES Purge Sensor Pick up Roller Sensor Figure 4 26 Sensors 5 1 Pick up Roller Sensor The photo interrupter type pick up roller sensor detects the initial position of the sheet feeder s pick up roller When the in

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