Manuals / Canon / Computer Equipment / Printer

Canon QY8-1360-000 manual 5-17, BJC-7100, Part 5 Maintenance, 8.3Ω/phase

Models: QY8-1360-000

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BJC-7100

Part 5: Maintenance

1 3 5 7

2 4 6 8

Check motor drive voltage.

	Measuring point	Normal value

	Logic board CNPWR	27.6 ± 1.5VDC (no load max 33V)
	Pin No. 3	27.6 ± 1.5VDC (no load max 33V)
	Pin No. 3

OK? Yes

Check power cable.

OK?

Yes

Replace AC adaptor.

•Check the connection and conductivity of the power cable that links the logic board with the AC adaptor.

Logic board side

AC adaptor side

Replace power cable.

Check carriage motor.

Red

Blue

Orange

Yellow

1	A
2	B	Approx.
3	B	8.3Ω/phase

Carriage motor

OK? Yes

Measuring point		Normal value

CNCR	1-4	Approx. 8.3Ω
CNCR	2-3	Approx. 8.3Ω
	2-3

Replace logic board.

•Faulty motor driver IC

•Faulty MPU

•Faulty PCB soldering/conductivity

Replace carriage motor.

5-17

Page 149

Image 149

Canon QY8-1360-000 manual 5-17, BJC-7100, Part 5 Maintenance, 8.3Ω/phase

Contents

REVISION OCT. 1998QY8-1360-0001098 AB Page BJ Products Quality Support Dept Copyright 1998 by Canon Inc CANON INC16-1, Shimonoge 3-chome, Takatsu-ku, Kawasaki, Kanagawa 213, Japan Target ReadersPart 2 Product Specifications Part 1 Safety and PrecautionsPart 5 Maintenance I. ABOUT THIS MANUALPart 2 PRODUCT SPECIFICATIONS II. TABLE OF CONTENTSPart 1 SAFETY AND PRECAUTIONS Part 4 TECHNICAL REFERENCE Part 3 OPERATING INSTRUCTIONSPart 5 MAINTENANCE Page III. ILLUSTRATION INDEX Part 2 PRODUCT SPECIFICATIONSPart 1 SAFETY AND PRECAUTIONS Part 3 OPERATING INSTRUCTIONSPart 4 TECHNICAL REFERENCE Part 5 MAINTENANCEPage VIIIPart 2 PRODUCT SPECIFICATIONS IV. TABLE INDEXPart 5 MAINTENANCE Part 3 OPERATING INSTRUCTIONSPage Part SAFETY AND PRECAUTIONSPage BJC-7100 1. SAFETY PRECAUTIONS1.1 Moving Parts Figure 1-1 The Printers Moving PartsFigure 1-2 Front Cover 1.2 Front CoverBJC-7100 Part 1 Safety and PrecautionsFigure 1-3 Ink Path 1.3 Ink Stains 1.3.1 Ink pathPart 1 Safety and Precautions BJC-7100BC-61 BC-62e PhotoFigure 1-4 BC-62e Photo and BC-61 1.3.2 Ink mistFigure 1-6 AC Adapter 1.4 Live PartsPart 1 Safety and Precautions BJC-7100Figure 1-7 BJ Cartridge Metal Plate 1.5 BJ Cartridge Metal PlatePart 1 Safety and Precautions 1. Overheat detection when replacing cartridge2.1 BJ Cartridge Handling 2.1.1 Unpacking the BJ cartridge 2. MACHINE PRECAUTIONSFigure 1-8 Removing the BJ Cartridge Cap and Tape 2.1.2 BJ cartridge protection2.1.4 When not using the printer 2.1.3 Power on/offFigure 1-9 BJ Cartridges Part 1 Safety and Precautions2.2 Ink Tank Handling 2.2.1 Unpacking the ink tank 2.1.5 Ink electroconductivityFigure 1-10 Removing the Ink Tank Cap 2.2.2 Preventing cloggingFigure 1-12 Spurs 2.3 Printer Handling 2.3.1 Spurs2.3.2 Damage due to static electricity Figure 1-13 ContactsFigure 1-14 Capping Position 2.3.3 Ink leakage and dry-out2.3.4 Carrying the printer Figure 1-15 Carrying the Printer3.1 EEPROM Data 3. NOTES ON SERVICING1-12 Part 1 Safety and Precautions3.3 Protecting the Power Supply 3.2 Service Mode of Printer DriverFigure 1-16 Protecting the Power Supply 1-13Static Damage 3.4 Static ElectricityFigure 1-17 Electrical System of Printer 1-14Figure 1-18 Parts that Cannot be Disassembled 3.5 Disassembly and Assembly 3.5.1 Parts that cannot be disassembled3.6 Self-Diagnosis 1-151-16 This page intentionally left blankPart 1 Safety and Precautions BJC-7100Part PRODUCT SPECIFICATIONSPage 1.1 Outline 1. PRODUCT OUTLINEFigure 2-1 Printer Appearance Part 2 Product SpecificationsBJC-7100 1.2 FeaturesPart 2 Product Specifications Figure 2-2 Black BJ Cartridge BC-60 1.3 BJ Cartridge 1.3.1 Black BJ cartridge BC-60Part 2 Product Specifications BJC-7100Figure 2-3 Photo BJ Cartridge BC-62e Photo 1.3.2 Photo BJ cartridge BC-62e PhotoPart 2 Product Specifications BJC-7100TABLE 2-1 BJ CARTRIDGE VS PRINT MODE 1.3.4 BJ cartridge vs print mode1.3.3 Color BJ cartridge BC-61 Figure 2-4 Color BJ Cartridge BC-61Figure 2-5 BJ Cartridge SB-60 1.4 SB-60 BJ Cartridge Container1.5 Consumables 1.5.1 BJ cartridge 1.5.2 Ink tank2.1 General Specifications 2. SPECIFICATIONSPart 2 Product Specifications 2. Operating mode Canon extended mode 3. Print resolutionBJC-7100 Part 2 Product Specifications13. Paper Feeding method 14. Sheet feeder capacityPart 2 Product Specifications BJC-710020. Power consumption 21. External dimensionsTABLE 2-2 PAPER SPECIFICATIONS 2.2 Paper Specifications 2.2.1 Paper types2-10 Part 2 Product SpecificationsFigure 2-7 Printing Area 2.2.2 Printing range2-11 Part 2 Product SpecificationsTABLE 2-3 IO SIGNALS IN COMPATIBLE MODE 2.3 Interface Specifications2-12 Part 2 Product SpecificationsTABLE 2-5 IO SIGNALS IN ECP MODE TABLE 2-4 IO SIGNALS IN NIBBLE MODE2-13 Part 2 Product SpecificationsPart 2 Product Specifications 2-147 Description of input/output signals Compatible Mode BJC-7100Part 2 Product Specifications 2-15Fault Output Nibble Mode HostClk InputPart 2 Product Specifications 2-16ECP mode HostClk Input BJC-7100Part 2 Product Specifications 2-17BJC-7100 Ack Reverse OutputFigure 2-9 Nibble Mode Figure 2-8 Compatible ModeFigure 2-10 ECP Mode 2-18Part OPERATING INSTRUCTIONSPage 1.1 Unpacking 1. PRINTER SETUPFigure 3-1 Packaging BJC-7100Figure 3-2 Printer Dimensions 1.2 Installation LocationPart 3 Operating Instructions BJC-71001.3.1 Connecting the interface cable 1.3 InstallationFigure 3-3 Connecting the Interface Cable 1.3.2 Connecting the power supplyFigure 3-6 Installing BJ Cartridges 1.3.3 Installing the BJ cartridgeFigure 3-5 Removing Cap and Tape from BJ Cartridge 2 Installing the BJ cartridgeBJC-7100 Figure 3-7 Checking Print Head AlignmentPart 3 Operating Instructions 3 Aligning the print headsFigure 3-8 Replacing the Ink Tank 1.3.4 Replacing the ink tanksFigure 3-9 Removing Protective Cap from Ink Tank 1 When to replace the ink tankFigure 3-10 Cartridge Container SB-60 1.3.5 Cartridge container SB-60BJC-7100 Part 3 Operating Instructions1.4.2 Turning the power off 1.4 Turning Printer Power On and Off 1.4.1 Turning the power onFigure 3-11 Incorrect Method of Powering Off Part 3 Operating InstructionsFigure 3-12 Paper Settings TABLE 3-1 PRINTER PAPER SETTINGS1.5 Loading Printer Paper BJC-7100FRONT 1.6 Names of Parts and Their FunctionsOPERATOR PANEL Figure 3-13 Names of Parts and Their FunctionsBACK INSIDEFigure 3-14 Names of Parts and Their Functions 3-112.1 Transporting the Printer 2. TRANSPORTING THE PRINTERFigure 3-15 Transporting the Printer 3-12Figure 3-16 Manual Capping Method 2.2 Manual Capping3-13 BJC-71003.1.1 Operator call errors 3.1 Error Indications3. PRINTER SERVICING FUNCTIONS Figure 3-17 Control PanelTABLE 3-3 SERVICE CALLS 3.1.2 Service calls3-15 If a service call occurs, refer to Part 5 6. TROUBLESHOOTING page3-16 3.2 Warning IndicationsPart 3 Operating Instructions BJC-71003.3.1 Items set by control function 3.3 Function SettingsFigure 3-18 Windows 95 Driver Control Sheet Sample 3-17Figure 3-19 Hidden Control Sheet Sample 3.3.2 Service mode of printer driver3-18 Procedure3.4 EEPROM 3.5 Cleaning the BJ Cartridge3-19 Manual Print Head Cleaning3.6 Test Printout 3.7 Pickup Roller Cleaning Function HR-101Figure 3-20 Nozzle Check Pattern Sample 3-20TABLE 3-4 SERVICE MODE 3.8 Service Mode3-21 BJC-71003.8.2 Resetting EEPROM data Figure 3-21 Service Mode Test Print Sample3.8.1 Final factory test pattern 3-223.8.3 Printing EEPROM data 3.8.4 Setting destination countryFigure 3-22 EEPROM Data Print Sample 3-233-24 3.8.5 Other FunctionPart 3 Operating Instructions BJC-7100Part TECHNICAL REFERENCEPage Figure 4-1 Printer Block Diagram 1.1 Printer Block Diagram1. OVERVIEW BJC-7100Figure 4-2 Flowchart of Initialization Sequence 1.2 Initial FlowchartPart 4 Technical Reference BJC-7100Figure 4-3 Print Signal Sequence 1.3 Print Signal SequenceBJC-7100 Part 4 Technical Reference1.4.1 Print drive control 1.4 BJ Cartridge DrivePart 4 Technical Reference BJC-7100Figure 4-4 Power-Off Sequence Flowchart 1.5 Power-Off Sequence FlowchartBJC-7100 Part 4 Technical Reference2.1.1 Compatible mode Figure 4-5 Bidirectional Centronics Specifications Selection SequenceFigure 4-6 Interface Timing Compatible Mode 2. FIRMWAREFigure 4-7 Interface Timing Nibble Mode 2.1.2 Nibble mode2.1.3 ECP mode Figure 4-8 Interface Timing ECP ModeTABLE 4-1 NUMBER OF PASSES VS NUMBER OF OPERATIONAL HEAD NOZZLES 2.2 Print ModesPart 4 Technical Reference BJC-71002.2.2 Economy print mode Draft mode 2.2.1 Plain paper optimized printing mode P-POP2.2.3 Standard mode 2.2.4 High quality and fine modeTABLE 4-2 MAIN DEFAULT PRINT MODE SETTINGS 2.2.5 Print mode settingsFigure 4-10 Print Mode Main Sheet Sample 4-102.4 Print Optimization Controls 2.4.1 Power monitor Figure 4-11 Print Mode Detail Quality Sheet Sample2.3 Smoothing Function 2.4.2 Head sticking prevention4-12 2.5 Head Overheat ProtectionPart 4 Technical Reference BJC-71003.1 Overview 3. PRINTERS MECHANICAL SYSTEMFigure 4-12 Printers Mechanical System 4-134-14 3.1.1 Structure of printers mechanical systemPart 4 Technical Reference BJC-7100Figure 4-13 Structure of BC-60 3.2 BJ Cartridge 3.2.1 BJ cartridge structure4-15 BJC-71004-16 Figure 4-14 Structure of BC-61Part 4 Technical Reference BJC-71004-17 Figure 4-15 Structure of BC-62e PhotoBJC-7100 Part 4 Technical ReferencePart 4 Technical Reference 4-18BJC-7100 Air paths/Tank labelFigure 4-16 Structure of BC-60 BJ Head Unit 3.2.2 Structure of BJ head unitFigure 4-17 Structure of BC-61 BJ Head Unit 4-194-20 Figure 4-18 Structure of BC-62e Photo BJ Head UnitPart 4 Technical Reference BJC-7100Figure 4-19 Nozzle Arrays 3.2.3 Nozzle arrays4-21 BJC-7100Figure 4-20 Signal Contacts 3.2.4 Signal contactsTABLE 4-3 BJ HEAD INPUT AND OUTPUT SIGNALS 4-22Part 4 Technical Reference 4-23BJC-7100 3.2.5 Drive circuit Figure 4-21 Block Diagram of BC-60 Drive Circuit4-24 Part 4 Technical Reference4-25 Figure 4-22 Block Diagram of BC-61/BC-62e Photo Drive CircuitBJC-7100 Part 4 Technical Reference3 Description of block diagram Block enable decoder *1 4-26Head temperature sensor Part 4 Technical ReferenceTABLE 4-4 AND GATE CONTACTS AND IDATA ORDER TABLE 4-5 ELECTRODE CONNECTION PINS4-27 BJC-71003.2.6 BJ cartridge detection TABLE 4-7 INDEX SENSOR SIGNALS AND BJ CARTRIDGE DETECTIONTABLE 4-6 INDEX CONNECTIONS 4-284-29 3.3 Purge Unit 3.3.1 Function of purge unit2 Cleaning function BJC-71003.3.2 Structure of purge unit TABLE 4-8 CLEANING CONDITIONS AND INK CONSUMPTION AVERAGE4-30 Part 4 Technical ReferenceBJC-7100 4-31Part 4 Technical Reference 2 Wiper4-32 Figure 4-23 Purge UnitPurge Unit Part 4 Technical Reference3.4 Carriage 3.4.1 Carriage functions Paper Feed Motor Drive Switching MechanismFigure 4-24 Carriage 4-334-34 3.4.2 Carriage structure3 Paper feed motor drive switching mechanism Part 4 Technical Reference4-35 Figure 4-25 Paper Feed Motor Drive SwitchingDriving Sheet Feeder Feeding Paper3.5 Paper Feed/Sheet Feeder Mechanism Figure 4-26 Auto Platen-Head Gap Adjustment3.5.1 Paper feed/sheet feeder mechanism functions 4-36Manual Feed Auto Sheet Feeder ASFFigure 4-27 Paper Feed Mechanism 4-37Figure 4-28 Paper Separator 3.5.2 Paper feed/sheet feeder mechanism structure4-38 Part 4 Technical Reference4.1 Overview of Printer Electrical System 4. PRINTER ELECTRICAL SYSTEMFigure 4-29 Printer Electrical System 4-39Figure 4-30 Logic Board Block Diagram 4.2 Logic 4.2.1 Logic block diagram4-40 Part 4 Technical Reference4-41 4.2.2 Logic componentsDirect memory access DMA controller Timer stepping motor controller/sense signal controller/monitor timerClock & power manager 4-42Part 4 Technical Reference BJC-71004-43 Figure 4-31 Printer Block Diagram5 Reset IC IC8 BJC-71004-44 Figure 4-32 Motor Drive CircuitPart 4 Technical Reference BJC-7100Figure 4-33 AC Adaptor Output Voltages 4.3 Electrical System 4.3.1 Input power supply AC adaptor4.3.2 Output voltages 4-455.1 Sensor-based Detection Functions 5. DETECTION FUNCTIONSFigure 4-34 Sensor Positions 4-46Printer temperature sensor 4-47BJC-7100 Part 4 Technical Reference5.2.1 Waste-ink amount detection 5.2 Miscellaneous Detection Functions5.2.2 BJ cartridge detection 5.2.3 Ink-out detection3 Ink-out error display 4-49BJC-7100 Part 4 Technical ReferencePart 4 Technical Reference 4-50This page intentionally left blank BJC-7100Part MAINTENANCEPage 1.1 Parts for Periodic Replacement 1. MAINTENANCE1.4 Periodic Maintenance 1.2 Consumable Parts2.1 List of Tools 2. SERVICING TOOLSPart 5 Maintenance BJC-7100Figure 5-1 Grease Points 3. APPLYING GREASEMOLYKOTE PG641 Part 5 Maintenance4.1 Disassembly and Reassembly 4. DISASSEMBLY AND REASSEMBLY4.2 Notes on Disassembly and Reassembly Figure 5-2 Main Cover and Connector CoverFigure 5-5 Purge Unit and Bottom Case Assembly 4.2.4 Purge unit and bottom case assembly4.2.5 Securing idler pulley assembly screw Figure 5-6 Tightening Idler Pulley Assembly Screw4.3 Waste Ink Absorbers Figure 5-7 Maintenance Jet and Waste Ink AbsorbersPart 5 Maintenance BJC-7100Figure 5-8 Tightening the Chassis Fixing Screws 4.4 Assembling the ChassisPart 5 Maintenance BJC-71005.1 Adjustment Locations 5.1.1 Adjusting registration 5. ADJUSTMENTS5.1.2 Checking and adjusting the head gap Figure 5-9 Screws Influencing Head GapFigure 5-11 Measuring Sheet Setting Figure 5-10 Measuring Sheet SettingPart 5 Maintenance BJC-7100Figure 5-13 Check the Head Gap Figure 5-12 Thickness Gauge Setting5-10 Part 5 Maintenance5-11 Figure 5-14 Adjust the Head GapPart 5 Maintenance 2. Head Gap Check/Adjustment Flowchart5-12 Figure 5-15 Adjust the Head GapPart 5 Maintenance BJC-71006.1 Troubleshooting Overview 6.1.1 Overview 6. TROUBLESHOOTING6.1.2 Troubleshooting cautions 5-135-14 6.2 Diagnosis 6.2.1 Diagnostic flowPart 5 Maintenance Connect power cable of AC adaptor to wall outletBJC-7100 5-15Part 5 Maintenance 6.2.2 Action 1. Print Position Correction ErrorMeasure 5-16Part 5 Maintenance 5-178.3Ω/phase BJC-71002. Home Position Error 3. Purge Error5-18 Part 5 Maintenance5-19 4. Sheet Feeder ErrorPart 5 Maintenance BJC-71005-20 5. Printer Temperature ErrorPart 5 Maintenance Measure9. RAM Error 7. EEPROM ErrorAlarm/Full Error 6. Waste Ink5-22 11. LF Motor ErrorPart 5 Maintenance MeasureHardware Errors12. Miscellaneous 5-235-24 13. Paper-out and Paper-jam ErrorsPart 5 Maintenance Beeper 2 times ERROR indicator ON POWER indicator BlinksPart 5 Maintenance 5-25BJC-7100 2. Paper jam5-26 14. Ink-out ErrorPart 5 Maintenance BJC-7100Part 5 Maintenance 5-27BJC-7100 2. Color BJ cartridge BC-61 Photo BJ cartridge BC-62e Photo5-28 15. BJ Cartridge ErrorPart 5 Maintenance Measure16. BJ Cartridge Overheat ErrorSuspected parts BJ cartridge Part 5 Maintenance5-30 1. The power does not turn onPart 5 Maintenance b Symptoms5-31 2. Abnormal noisePart 5 Maintenance BJC-7100Part 5 Maintenance 5-32BJC-7100 Check for foreign objects Check for deformed or damaged gears5-33 3. Faulty pickupPart 5 Maintenance BJC-71005-34 4. Faulty printing 1 No printingPart 5 Maintenance MeasurePart 5 Maintenance 5-35BJC-7100 1. Check/replace carriage5-36 5. Faulty printing 2 Miscellaneous problemsPart 5 Maintenance SymptomsCNPGS Purge Sensor Connector 7. CONNECTOR LAYOUT AND SIGNAL ASSIGNMENTCNCR Carriage Motor Connector CNLF Paper Feed Motor ConnectorCNHEAD1 Carriage Cable Connector CNIF Parallel Interface ConnectorCNHEAD2 Carriage Cable Connector 5-38Figure 5-17 Carriage Board 7.2 Carriage BoardTABLE 5-1 CONTACTS DARK COL AND LIGHT COL 5-39JENG2 Carriage Cable Connector JENG1 Carriage Cable Connector5-40 Part 5 Maintenance5-41 BLACK Cartridge CablePart 5 Maintenance BJC-7100DARKCOL Cartridge Cable AMM Cartridge Cable5-42 Part 5 Maintenance5-43 LIGHTCOL Cartridge CablePart 5 Maintenance BJC-71008.1 Parts Layout 8.1.1 Logic board 8. CIRCUIT DIAGRAMSFigure 5-18 Logic Board Face Figure 5-19 Component Board Back 5-44Figure 5-20 Carriage Board Face Figure 5-21 Carriage Board Back 8.1.2 Carriage board5-45 Part 5 MaintenancePart 5 Maintenance 5-46This page intentionally left blank BJC-71005-47 8.2 Circuit Diagrams 8.2.1 Logic boardPart 5 Maintenance BJC-7100Part 5 Maintenance 5-48BJC-7100 LOGIC BOARDPart 5 Maintenance 5-49BJC-7100 A B C DPart 5 Maintenance 5-50BJC-7100 LOGIC BOARDPart 5 Maintenance 5-51POWER SUPPLY BJC-7100Page The printing paper contains 70% waste paper PRINTED IN JAPAN IMPRIME AU JAPON