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Canon QY8-1360-000 manual 32 Motor Drive Circuit, 4-44, Part 4 Technical Reference, BJC-7100

Models: QY8-1360-000

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Figure 4-32 Motor Drive Circuit

Part 4: Technical Reference

BJC-7100

VCC

R18

10K,1/16W

R19

C61

R17

2.7K,

C69

C68

10K,

R23

CARRIAGE

4700p,50V

1/16W

0.5%,1/10W

0.01μ,50V

0.01μ,50V

1,1/4W

MOTOR DRIVER

VCC

R24

IC13

MPU

1,1/4W

R33

R27 30K,

R26

R251

R13

1

0.5%,1/10W

3.3K,1/10W

3.3K,1/10W

VsA

2

10K,1/16W

IC1

1,1/4W

3

VrefA

ALARM

4

FU1

5

PhaseA

CR

6

ICP-N38

CNCR

M31002S2HP

7

LGA

ENAA

8

R20

9

N.C.

VmmA

10

VM

1,1/4W

11

RsA

Out1

12

1

CRA

Approx.

5

LFPA

R21

TA15

13

PG

Out2

14

2

CRB

8.3Ω/

6

LFPB

1,1/4W

15

Out3

3

CRB

TA14

7

LFIA0

R14

17

N.C.

N.C.

16

4

CRA

phase

TA13

RsB

18

TA12

8

LFIA1

1,1/4W

VCC

19

N.C.

Out4

20

TA03

13

CRPA

21

LGB

VmmB

22

VCC

VCC

CARRIAGE MOTOR

TA02

14

CRPB

23

PhaseB

ENAB

24

R32

TA01

15

CRAENA

25

Vcc

Decay

26

10K,1/16W

TA00

16

CRBENA

27

VsB

VrefB

147

LFPWMA

P137

R29 30K,

R28

C70

R253

MTD2005B

0.5%,1/10W

3.3K,1/10W

0.01μ,

3.3K,

R15

2.7K,

C71

50V

1/10W

0.5%,1/10W

0.01μ,50V

PAPER FEED

VM

MOTOR DRIVER

VCC

R44

IC14

10K,1/16W

FU2

ICP-N25

1

30

R238

VmmA

GND

R46

R43

C74

C75

2

29

1.5K,

50V 1A

3

N.C.

GND

28

10K,

10K,

0.5%,

0.01μ,

0.01μ,

R37

4

Out1

LGA

27

1/16W

1/16W

1/10W

50V

50V

1,1/4W

5

N.C.

ENAA

26

RsA

PHAA

6

N.C.

CR

25

R38

7

Out2

ALARM

24

1,1/4W

8

Out3

VrefA

23

9

N.C.

VsA

22

C72

R241

R242

R252

10

21

VCC

R39

11

RsB

VsB

20

4700p,50V

16K,

3.3K,

3.3K,

12

N.C.

VrefB

19

0.5%,

1/10W

1/10W

19

IP0

1,1/4W

Out4

Vcc

1/10W

IP0

20

IP1

13

N.C.

Decay

18

IP1

111

CRPWMB

14

VmmB

PHAB

17

PWMB

112

CRPWMA

R40

15

LGB

ENAB

16

PWMA

1,1/4W

R45

CNLF

MTD2005FB

10K,1/16W

PRINTER

1

LFA

Approx.

2

LFB

CONTROLLER

3

LFB

6.0Ω/

phase

IC2

4

LFA

M66361-0006FP	PAPER FEED MOTOR

Figure 4-32 Motor Drive Circuit

4-44

Image 124

Canon QY8-1360-000 manual 32 Motor Drive Circuit, 4-44, 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