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Canon QY8-1360-000 manual 23 Purge Unit, 4-32, Part 4 Technical Reference, BJC-7100

Models: QY8-1360-000

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Part 4: Technical Reference

BJC-7100

Purge Unit

Waste Ink Tube

Ink: Lower Tube

Ink Optimizer: Upper Tube

Carriage Lock Lever

Slide Lock Lever

Cap

(For Capping)

Purge Drive

Gear

Pump

Section

Wiper

Cap

(For Purging and Capping)

Figure 4-23 Purge Unit

4-32

Page 112

Image 112

Canon QY8-1360-000 manual 23 Purge Unit, 4-32, Part 4 Technical Reference, BJC-7100

Contents

OCT. 1998QY8-1360-000 REVISION1098 AB Page Copyright 1998 by Canon Inc CANON INC BJ Products Quality Support Dept16-1, Shimonoge 3-chome, Takatsu-ku, Kawasaki, Kanagawa 213, Japan Target ReadersPart 1 Safety and Precautions Part 2 Product SpecificationsPart 5 Maintenance I. ABOUT THIS MANUALPart 1 SAFETY AND PRECAUTIONS II. TABLE OF CONTENTSPart 2 PRODUCT SPECIFICATIONS Part 3 OPERATING INSTRUCTIONS Part 4 TECHNICAL REFERENCEPart 5 MAINTENANCE Page Part 2 PRODUCT SPECIFICATIONS III. ILLUSTRATION INDEXPart 1 SAFETY AND PRECAUTIONS Part 3 OPERATING INSTRUCTIONSPart 5 MAINTENANCE Part 4 TECHNICAL REFERENCEVIII PageIV. TABLE INDEX Part 2 PRODUCT SPECIFICATIONSPart 5 MAINTENANCE Part 3 OPERATING INSTRUCTIONSPage SAFETY AND PRECAUTIONS PartPage 1. SAFETY PRECAUTIONS BJC-71001.1 Moving Parts Figure 1-1 The Printers Moving Parts1.2 Front Cover Figure 1-2 Front CoverBJC-7100 Part 1 Safety and Precautions1.3 Ink Stains 1.3.1 Ink path Figure 1-3 Ink PathPart 1 Safety and Precautions BJC-7100BC-62e Photo BC-61Figure 1-4 BC-62e Photo and BC-61 1.3.2 Ink mist1.4 Live Parts Figure 1-6 AC AdapterPart 1 Safety and Precautions BJC-71001.5 BJ Cartridge Metal Plate Figure 1-7 BJ Cartridge Metal PlatePart 1 Safety and Precautions 1. Overheat detection when replacing cartridge2. MACHINE PRECAUTIONS 2.1 BJ Cartridge Handling 2.1.1 Unpacking the BJ cartridgeFigure 1-8 Removing the BJ Cartridge Cap and Tape 2.1.2 BJ cartridge protection2.1.3 Power on/off 2.1.4 When not using the printerFigure 1-9 BJ Cartridges Part 1 Safety and Precautions2.1.5 Ink electroconductivity 2.2 Ink Tank Handling 2.2.1 Unpacking the ink tankFigure 1-10 Removing the Ink Tank Cap 2.2.2 Preventing clogging2.3 Printer Handling 2.3.1 Spurs Figure 1-12 Spurs2.3.2 Damage due to static electricity Figure 1-13 Contacts2.3.3 Ink leakage and dry-out Figure 1-14 Capping Position2.3.4 Carrying the printer Figure 1-15 Carrying the Printer3. NOTES ON SERVICING 3.1 EEPROM Data1-12 Part 1 Safety and Precautions3.2 Service Mode of Printer Driver 3.3 Protecting the Power SupplyFigure 1-16 Protecting the Power Supply 1-133.4 Static Electricity Static DamageFigure 1-17 Electrical System of Printer 1-143.5 Disassembly and Assembly 3.5.1 Parts that cannot be disassembled Figure 1-18 Parts that Cannot be Disassembled3.6 Self-Diagnosis 1-15This page intentionally left blank 1-16Part 1 Safety and Precautions BJC-7100PRODUCT SPECIFICATIONS PartPage 1. PRODUCT OUTLINE 1.1 OutlineFigure 2-1 Printer Appearance Part 2 Product SpecificationsPart 2 Product Specifications 1.2 FeaturesBJC-7100 1.3 BJ Cartridge 1.3.1 Black BJ cartridge BC-60 Figure 2-2 Black BJ Cartridge BC-60Part 2 Product Specifications BJC-71001.3.2 Photo BJ cartridge BC-62e Photo Figure 2-3 Photo BJ Cartridge BC-62e PhotoPart 2 Product Specifications BJC-71001.3.4 BJ cartridge vs print mode TABLE 2-1 BJ CARTRIDGE VS PRINT MODE1.3.3 Color BJ cartridge BC-61 Figure 2-4 Color BJ Cartridge BC-611.4 SB-60 BJ Cartridge Container Figure 2-5 BJ Cartridge SB-601.5 Consumables 1.5.1 BJ cartridge 1.5.2 Ink tank2. SPECIFICATIONS 2.1 General SpecificationsPart 2 Product Specifications 2. Operating mode Canon extended mode 3. Print resolutionPart 2 Product Specifications BJC-710013. Paper Feeding method 14. Sheet feeder capacityBJC-7100 Part 2 Product Specifications20. Power consumption 21. External dimensions2.2 Paper Specifications 2.2.1 Paper types TABLE 2-2 PAPER SPECIFICATIONS2-10 Part 2 Product Specifications2.2.2 Printing range Figure 2-7 Printing Area2-11 Part 2 Product Specifications2.3 Interface Specifications TABLE 2-3 IO SIGNALS IN COMPATIBLE MODE2-12 Part 2 Product SpecificationsTABLE 2-4 IO SIGNALS IN NIBBLE MODE TABLE 2-5 IO SIGNALS IN ECP MODE2-13 Part 2 Product Specifications2-14 Part 2 Product Specifications7 Description of input/output signals Compatible Mode BJC-71002-15 Part 2 Product SpecificationsFault Output Nibble Mode HostClk Input2-16 Part 2 Product SpecificationsECP mode HostClk Input BJC-71002-17 Part 2 Product SpecificationsBJC-7100 Ack Reverse OutputFigure 2-8 Compatible Mode Figure 2-9 Nibble ModeFigure 2-10 ECP Mode 2-18OPERATING INSTRUCTIONS PartPage 1. PRINTER SETUP 1.1 UnpackingFigure 3-1 Packaging BJC-71001.2 Installation Location Figure 3-2 Printer DimensionsPart 3 Operating Instructions BJC-71001.3 Installation 1.3.1 Connecting the interface cableFigure 3-3 Connecting the Interface Cable 1.3.2 Connecting the power supply1.3.3 Installing the BJ cartridge Figure 3-6 Installing BJ CartridgesFigure 3-5 Removing Cap and Tape from BJ Cartridge 2 Installing the BJ cartridgeFigure 3-7 Checking Print Head Alignment BJC-7100Part 3 Operating Instructions 3 Aligning the print heads1.3.4 Replacing the ink tanks Figure 3-8 Replacing the Ink TankFigure 3-9 Removing Protective Cap from Ink Tank 1 When to replace the ink tank1.3.5 Cartridge container SB-60 Figure 3-10 Cartridge Container SB-60BJC-7100 Part 3 Operating Instructions1.4 Turning Printer Power On and Off 1.4.1 Turning the power on 1.4.2 Turning the power offFigure 3-11 Incorrect Method of Powering Off Part 3 Operating InstructionsTABLE 3-1 PRINTER PAPER SETTINGS Figure 3-12 Paper Settings1.5 Loading Printer Paper BJC-71001.6 Names of Parts and Their Functions FRONTOPERATOR PANEL Figure 3-13 Names of Parts and Their FunctionsINSIDE BACKFigure 3-14 Names of Parts and Their Functions 3-112. TRANSPORTING THE PRINTER 2.1 Transporting the PrinterFigure 3-15 Transporting the Printer 3-122.2 Manual Capping Figure 3-16 Manual Capping Method3-13 BJC-71003.1 Error Indications 3.1.1 Operator call errors3. PRINTER SERVICING FUNCTIONS Figure 3-17 Control Panel3.1.2 Service calls TABLE 3-3 SERVICE CALLS3-15 If a service call occurs, refer to Part 5 6. TROUBLESHOOTING page3.2 Warning Indications 3-16Part 3 Operating Instructions BJC-71003.3 Function Settings 3.3.1 Items set by control functionFigure 3-18 Windows 95 Driver Control Sheet Sample 3-173.3.2 Service mode of printer driver Figure 3-19 Hidden Control Sheet Sample3-18 Procedure3.5 Cleaning the BJ Cartridge 3.4 EEPROM3-19 Manual Print Head Cleaning3.7 Pickup Roller Cleaning Function HR-101 3.6 Test PrintoutFigure 3-20 Nozzle Check Pattern Sample 3-203.8 Service Mode TABLE 3-4 SERVICE MODE3-21 BJC-7100Figure 3-21 Service Mode Test Print Sample 3.8.2 Resetting EEPROM data3.8.1 Final factory test pattern 3-223.8.4 Setting destination country 3.8.3 Printing EEPROM dataFigure 3-22 EEPROM Data Print Sample 3-233.8.5 Other Function 3-24Part 3 Operating Instructions BJC-7100TECHNICAL REFERENCE PartPage 1.1 Printer Block Diagram Figure 4-1 Printer Block Diagram1. OVERVIEW BJC-71001.2 Initial Flowchart Figure 4-2 Flowchart of Initialization SequencePart 4 Technical Reference BJC-71001.3 Print Signal Sequence Figure 4-3 Print Signal SequenceBJC-7100 Part 4 Technical Reference1.4 BJ Cartridge Drive 1.4.1 Print drive controlPart 4 Technical Reference BJC-71001.5 Power-Off Sequence Flowchart Figure 4-4 Power-Off Sequence FlowchartBJC-7100 Part 4 Technical ReferenceFigure 4-5 Bidirectional Centronics Specifications Selection Sequence 2.1.1 Compatible modeFigure 4-6 Interface Timing Compatible Mode 2. FIRMWARE2.1.2 Nibble mode Figure 4-7 Interface Timing Nibble Mode2.1.3 ECP mode Figure 4-8 Interface Timing ECP Mode2.2 Print Modes TABLE 4-1 NUMBER OF PASSES VS NUMBER OF OPERATIONAL HEAD NOZZLESPart 4 Technical Reference BJC-71002.2.1 Plain paper optimized printing mode P-POP 2.2.2 Economy print mode Draft mode2.2.3 Standard mode 2.2.4 High quality and fine mode2.2.5 Print mode settings TABLE 4-2 MAIN DEFAULT PRINT MODE SETTINGSFigure 4-10 Print Mode Main Sheet Sample 4-10Figure 4-11 Print Mode Detail Quality Sheet Sample 2.4 Print Optimization Controls 2.4.1 Power monitor2.3 Smoothing Function 2.4.2 Head sticking prevention2.5 Head Overheat Protection 4-12Part 4 Technical Reference BJC-71003. PRINTERS MECHANICAL SYSTEM 3.1 OverviewFigure 4-12 Printers Mechanical System 4-133.1.1 Structure of printers mechanical system 4-14Part 4 Technical Reference BJC-71003.2 BJ Cartridge 3.2.1 BJ cartridge structure Figure 4-13 Structure of BC-604-15 BJC-7100Figure 4-14 Structure of BC-61 4-16Part 4 Technical Reference BJC-7100Figure 4-15 Structure of BC-62e Photo 4-17BJC-7100 Part 4 Technical Reference4-18 Part 4 Technical ReferenceBJC-7100 Air paths/Tank label3.2.2 Structure of BJ head unit Figure 4-16 Structure of BC-60 BJ Head UnitFigure 4-17 Structure of BC-61 BJ Head Unit 4-19Figure 4-18 Structure of BC-62e Photo BJ Head Unit 4-20Part 4 Technical Reference BJC-71003.2.3 Nozzle arrays Figure 4-19 Nozzle Arrays4-21 BJC-71003.2.4 Signal contacts Figure 4-20 Signal ContactsTABLE 4-3 BJ HEAD INPUT AND OUTPUT SIGNALS 4-22BJC-7100 4-23Part 4 Technical Reference Figure 4-21 Block Diagram of BC-60 Drive Circuit 3.2.5 Drive circuit4-24 Part 4 Technical ReferenceFigure 4-22 Block Diagram of BC-61/BC-62e Photo Drive Circuit 4-25BJC-7100 Part 4 Technical Reference4-26 3 Description of block diagram Block enable decoder *1Head temperature sensor Part 4 Technical ReferenceTABLE 4-5 ELECTRODE CONNECTION PINS TABLE 4-4 AND GATE CONTACTS AND IDATA ORDER4-27 BJC-7100TABLE 4-7 INDEX SENSOR SIGNALS AND BJ CARTRIDGE DETECTION 3.2.6 BJ cartridge detectionTABLE 4-6 INDEX CONNECTIONS 4-283.3 Purge Unit 3.3.1 Function of purge unit 4-292 Cleaning function BJC-7100TABLE 4-8 CLEANING CONDITIONS AND INK CONSUMPTION AVERAGE 3.3.2 Structure of purge unit4-30 Part 4 Technical Reference4-31 BJC-7100Part 4 Technical Reference 2 WiperFigure 4-23 Purge Unit 4-32Purge Unit Part 4 Technical ReferencePaper Feed Motor Drive Switching Mechanism 3.4 Carriage 3.4.1 Carriage functionsFigure 4-24 Carriage 4-333.4.2 Carriage structure 4-343 Paper feed motor drive switching mechanism Part 4 Technical ReferenceFigure 4-25 Paper Feed Motor Drive Switching 4-35Driving Sheet Feeder Feeding PaperFigure 4-26 Auto Platen-Head Gap Adjustment 3.5 Paper Feed/Sheet Feeder Mechanism3.5.1 Paper feed/sheet feeder mechanism functions 4-36Auto Sheet Feeder ASF Manual FeedFigure 4-27 Paper Feed Mechanism 4-373.5.2 Paper feed/sheet feeder mechanism structure Figure 4-28 Paper Separator4-38 Part 4 Technical Reference4. PRINTER ELECTRICAL SYSTEM 4.1 Overview of Printer Electrical SystemFigure 4-29 Printer Electrical System 4-394.2 Logic 4.2.1 Logic block diagram Figure 4-30 Logic Board Block Diagram4-40 Part 4 Technical Reference4.2.2 Logic components 4-41Direct memory access DMA controller Timer stepping motor controller/sense signal controller/monitor timer4-42 Clock & power managerPart 4 Technical Reference BJC-7100Figure 4-31 Printer Block Diagram 4-435 Reset IC IC8 BJC-7100Figure 4-32 Motor Drive Circuit 4-44Part 4 Technical Reference BJC-71004.3 Electrical System 4.3.1 Input power supply AC adaptor Figure 4-33 AC Adaptor Output Voltages4.3.2 Output voltages 4-455. DETECTION FUNCTIONS 5.1 Sensor-based Detection FunctionsFigure 4-34 Sensor Positions 4-464-47 Printer temperature sensorBJC-7100 Part 4 Technical Reference5.2 Miscellaneous Detection Functions 5.2.1 Waste-ink amount detection5.2.2 BJ cartridge detection 5.2.3 Ink-out detection4-49 3 Ink-out error displayBJC-7100 Part 4 Technical Reference4-50 Part 4 Technical ReferenceThis page intentionally left blank BJC-7100MAINTENANCE PartPage 1. MAINTENANCE 1.1 Parts for Periodic Replacement1.4 Periodic Maintenance 1.2 Consumable Parts2. SERVICING TOOLS 2.1 List of ToolsPart 5 Maintenance BJC-71003. APPLYING GREASE Figure 5-1 Grease PointsMOLYKOTE PG641 Part 5 Maintenance4. DISASSEMBLY AND REASSEMBLY 4.1 Disassembly and Reassembly4.2 Notes on Disassembly and Reassembly Figure 5-2 Main Cover and Connector Cover4.2.4 Purge unit and bottom case assembly Figure 5-5 Purge Unit and Bottom Case Assembly4.2.5 Securing idler pulley assembly screw Figure 5-6 Tightening Idler Pulley Assembly ScrewFigure 5-7 Maintenance Jet and Waste Ink Absorbers 4.3 Waste Ink AbsorbersPart 5 Maintenance BJC-71004.4 Assembling the Chassis Figure 5-8 Tightening the Chassis Fixing ScrewsPart 5 Maintenance BJC-71005. ADJUSTMENTS 5.1 Adjustment Locations 5.1.1 Adjusting registration5.1.2 Checking and adjusting the head gap Figure 5-9 Screws Influencing Head GapFigure 5-10 Measuring Sheet Setting Figure 5-11 Measuring Sheet SettingPart 5 Maintenance BJC-7100Figure 5-12 Thickness Gauge Setting Figure 5-13 Check the Head Gap5-10 Part 5 MaintenanceFigure 5-14 Adjust the Head Gap 5-11Part 5 Maintenance 2. Head Gap Check/Adjustment FlowchartFigure 5-15 Adjust the Head Gap 5-12Part 5 Maintenance BJC-71006. TROUBLESHOOTING 6.1 Troubleshooting Overview 6.1.1 Overview6.1.2 Troubleshooting cautions 5-136.2 Diagnosis 6.2.1 Diagnostic flow 5-14Part 5 Maintenance Connect power cable of AC adaptor to wall outletPart 5 Maintenance 5-15BJC-7100 1. Print Position Correction Error 6.2.2 ActionMeasure 5-165-17 Part 5 Maintenance8.3Ω/phase BJC-71003. Purge Error 2. Home Position Error5-18 Part 5 Maintenance4. Sheet Feeder Error 5-19Part 5 Maintenance BJC-71005. Printer Temperature Error 5-20Part 5 Maintenance Measure7. EEPROM Error 9. RAM ErrorAlarm/Full Error 6. Waste Ink11. LF Motor Error 5-22Part 5 Maintenance MeasureErrors Hardware12. Miscellaneous 5-2313. Paper-out and Paper-jam Errors 5-24Part 5 Maintenance Beeper 2 times ERROR indicator ON POWER indicator Blinks5-25 Part 5 MaintenanceBJC-7100 2. Paper jam14. Ink-out Error 5-26Part 5 Maintenance BJC-71005-27 Part 5 MaintenanceBJC-7100 2. Color BJ cartridge BC-61 Photo BJ cartridge BC-62e Photo15. BJ Cartridge Error 5-28Part 5 Maintenance MeasureOverheat Error 16. BJ CartridgeSuspected parts BJ cartridge Part 5 Maintenance1. The power does not turn on 5-30Part 5 Maintenance b Symptoms2. Abnormal noise 5-31Part 5 Maintenance BJC-71005-32 Part 5 MaintenanceBJC-7100 Check for foreign objects Check for deformed or damaged gears3. Faulty pickup 5-33Part 5 Maintenance BJC-71004. Faulty printing 1 No printing 5-34Part 5 Maintenance Measure5-35 Part 5 MaintenanceBJC-7100 1. Check/replace carriage5. Faulty printing 2 Miscellaneous problems 5-36Part 5 Maintenance Symptoms7. CONNECTOR LAYOUT AND SIGNAL ASSIGNMENT CNPGS Purge Sensor ConnectorCNCR Carriage Motor Connector CNLF Paper Feed Motor ConnectorCNIF Parallel Interface Connector CNHEAD1 Carriage Cable ConnectorCNHEAD2 Carriage Cable Connector 5-387.2 Carriage Board Figure 5-17 Carriage BoardTABLE 5-1 CONTACTS DARK COL AND LIGHT COL 5-39JENG1 Carriage Cable Connector JENG2 Carriage Cable Connector5-40 Part 5 MaintenanceBLACK Cartridge Cable 5-41Part 5 Maintenance BJC-7100AMM Cartridge Cable DARKCOL Cartridge Cable5-42 Part 5 MaintenanceLIGHTCOL Cartridge Cable 5-43Part 5 Maintenance BJC-71008. CIRCUIT DIAGRAMS 8.1 Parts Layout 8.1.1 Logic boardFigure 5-18 Logic Board Face Figure 5-19 Component Board Back 5-448.1.2 Carriage board Figure 5-20 Carriage Board Face Figure 5-21 Carriage Board Back5-45 Part 5 Maintenance5-46 Part 5 MaintenanceThis page intentionally left blank BJC-71008.2 Circuit Diagrams 8.2.1 Logic board 5-47Part 5 Maintenance BJC-71005-48 Part 5 MaintenanceBJC-7100 LOGIC BOARD5-49 Part 5 MaintenanceBJC-7100 A B C D5-50 Part 5 MaintenanceBJC-7100 LOGIC BOARD5-51 Part 5 MaintenancePOWER SUPPLY BJC-7100Page PRINTED IN JAPAN IMPRIME AU JAPON The printing paper contains 70% waste paper