Canon 3260 2 - 7

Figure 2-2-4

2 - 7

CHAPTER 2

TRFVCNT

/TRFNVD

TRFVSNS

/HRLBD

/TRFCCD

/DCHGBD

/TRFCLK

/DCHGUP

HVTCLK

/DEVACD

PRIACCLK

DEVACCLK

/PRIACD

/DEVDCD

/PRIDCD

DENADJ

Transferbias drive signal

Transfernegative bias drive signal

Transferbias monitor signal

Fixing roller bias drive signal

Transferbias constant current drive signal

Discharge bias drive signal

Transferbias frequency output signal

Discharge bias switch signal

High voltage bias frequency output signal

DevelopingAC bias drive signal

PrimaryAC bias frequency output signal

DevelopingAC bias frequency output signal

PrimaryAC bias drive signal

Developing DC bias drive signal

Primary DC bias drive signal

Image density adjustment signal

Analogsignal in propor tionto the laser

intensity is input.

J202-4

-2

-11

-10

-7

-9

-3/-5/-8

J1001-8

-10

-1

-2

-5

-3

-4/-7/-9

+5V

+24VB

DRVES

/LENBL

/LON

VDO

/VDO

J220

-A12/-B12

-A1

-B1

-A2

-B2

-A3

-B3

-A4

-B4

-A6

-A7

-B7

-A8

-B8

-A9

-B9

-B10

-A11/-B11

+5V

J206-1/-2J6-3/-4

/BDI

-4

-3

-1

-2

/SCNRDY

/SCND

SCNCLK

J207-7

-1

-2

-3

-5

-4/-6

J1-1

-7

-6

-5

-3

-2/-4

+24VA

-1

-7

-6

-5

-3

-2/-4

+5V

-1

-7

-6

-5

-3

-2/-4

J18

J701

-A12/-B12

-A1

-B1

-A2

-B2

-A3

-B3

-A4

-B4

-A6

-A7

-B7

-A8

-B8

-A9

-B9

-B10

-A11/-B11

J218-1

-2

-3/-4

-5/-6

/MMRDY

/MMOTD

J12-1

-2

-3/-4

-5/-6 +24VB

MT1

DCcontroller PCB

Laserdiode

Laserdr iver

Laser/scannerunit

High-voltage

power

supply PCB

"L"when the scanner motor reaches the

prescribedspeed.

"L"to drive the scanner motor.

Scannermotor reference clock signal.

Scanner

motor

BD PCB BDinput signal (pulse)

"L" when the main motor runs normally.

"L" to run the main motor.

Main motor

"L"to switch the laser ON according to the VDO and

/VDOsignals.

"L"to turn the laser ON compulsively.

Thelaser is turned ON only when the /LENBL, VDO,

and/VDO are "L", "H", and "L" respectively. (LOW-

VOLTAGEDIFFERENTIALsignal)

Contents

Main Page PREFACE Page CONTENTS CHAPTER 1 PRODUCT INFORMATION CHAPTER 2 OPERATION AND TIMING CHAPTER 3 THE MECHANICAL SYSTEM CHAPTER 4 TROUBLESHOOTING APPENDIX Page Page Page I. FEATURES 1 - 1 Page II. SPECIFICATIONS 1 - 3 1 - 4 1 - 5 III. SAFETY INFORMATION ! 1 - 6 IV. PARTS OF THE PRINTER 1 - 7 1 - 8 V. INSTALLATION 1 - 9 Figure 1-5-1 1 - 10 1 - 11 Page 1 - 13 1 - 14 1 - 15 1 - 16 Page VI. MAINTENANCE AND SERVICING BY THE CUSTOMER 1 - 18 1 - 19 Page VII. OPERATION 1 - 21 1 - 22 1 - 23 1 - 24 1 - 25 Page CHAPTER 1 1-27 Figure 1-7-2 ** Page CHAPTER 2 OPERATION AND TIMING Page I. BASIC OPERATION 2 - 1 2 - 2 Purpose Remark Period 2 - 3 II. ENGINE CONTROL SYSTEM 2 - 4 3. DC Controller Input/Output Signals Figure 2-2-2 2 - 5 Figure 2-2-3 2 - 6 Figure 2-2-4 MT1 2 - 7 Figure 2-2-5 2 - 8 CL1 SL1 CL2 SMT1 2 - 9 SL2 SL3 2 - 10 2 - 11 2 - 12 2 - 13 2 - 14 Page C. High-Voltage Power Supply Figure 2-2-10 2 - 16 2 - 17 2 - 18 D. Power Supply 1. Outline 2 - 19 Power supply Low-voltage power supply circuit Tofixing roller heater DC controller 2 - 20 2 - 21 2 - 22 M 2 - 23 2 - 24 IC202 (G.A.) IC201 (CUP) Page III. LASER/SCANNER SYSTEM 2 - 26 2 - 27 2 - 28 2 - 29 2 - 30 Page IV. IMAGE FORMATION SYSTEM 2 - 32 Figure 2-4-1 2 - 33 2 - 34 5. Drum cleaning stage Step 8 Drum cleaning Figure 2-4-4 2 - 35 2 - 36 2 - 37 2 - 38 2 - 39 2 - 40 2 - 41 V. PICK-UP/FEED SYSTEM 2 - 42 Figure 2-5-1 2 - 43 Figure 2-5-2 2 - 44 SL2 SL3 SMT1 SL1 CL2 CL3 2 - 45 Figure 2-5-4 Figure 2-5-5 2 - 46 STBY INTR PRINT STBY LSTR (Unit:Seconds) Power switchON Pick-up timing from the upper cassette (A4 : tow pages continuously print) 2 - 47 2 - 48 2 - 49 2 - 50 2 - 51 2 - 52 2 - 53 2 - 54 2 - 55 2 - 56 2 - 57 MT1 2 - 58 2 - 59 2 - 60 VI. OVERALL CONTROL SYSTEM 2 - 61 2 - 62 2-63 Video contoroller PCB Block Diagram Note <J1> AIR <J11> ASIC <J6/7> <J8> Page 2 - 65 2 - 66 2 - 67 Page Page Page I. PREFACE 3 - 1 II. EXTERNALS 3 - 2 3 - 3 3 - 4 3 - 5 3 - 6 3 - 7 III. MAIN UNITS 3 - 8 3 - 9 3 - 10 3 - 11 a 3 - 12 3 - 13 3 - 14 IV. MAIN PARTS 3 - 15 3 - 16 3 - 17 3 - 18 3 - 19 3 - 20 3 - 21 3 - 22 3 - 23 V. SWITCHES/SENSORS 3 - 24 3 - 25 3 - 26 3 - 27 3 - 28 3 - 29 Page Page 3 - 32 3 - 33 3 - 34 VII. MOTORS/FANS 3 - 35 3 - 36 3 - 37 3 - 38 3 - 39 3 - 40 VIII. PCBS 3 - 41 3 - 42 3 - 43 3 - 44 3 - 45 3 - 46 3 - 47 3 - 48 CHAPTER 4 TROUBLESHOOTING Page I. PREFACE 4 - 1 Figure 4-1-1 4 - 2 4 - 3 4 - 4 4 - 5 4 - 6 Figure 4-1-3 4 - 7 Canon Inc., LBP-3260 Printer Configuration Page II. IMAGE DEFECTS 4 - 8 4 - 9 4 - 10 4 - 11 4 - 12 Table 4-2-2 4 - 13 Page 4 - 15 4 - 16 4 - 17 IV. PAPER TRANSPORT TROUBLESHOOTING 4 - 18 Page V. MALFUNCTION TROUBLESHOOTING 4 - 20 VI. MALFUNCTION STATUS TROUBLESHOOTING 4 - 21 4 - 22 4 - 23 4 - 24 4 - 25 4 - 26 4 - 27 VII. MEASUREMENT AND ADJUSTMENT 4 - 28 4 - 29 4 - 30 4 - 31 4 - 32 4. High-voltage power supply PCB Figure 4-7-6 Table 4-7-4 4 - 33 Page VIII. MAINTENANCE AND SERVICING 4 - 35 4 - 36 4 - 37 4 - 38 4 - 39 Tool No. Application/r emarks 1 Printer driver tester RY9-0104 No. Tool name RY9-0104 Usedfor checking printer operations. Shape RANK B 4 - 40 4 - 41 4 - 42 Clip 4 - 43 DATA DATASET Connector 1 RY9-0104 DC24V 4 - 44 PRINTER DRIVER 4 - 45 RY9-0104 PRINTER DRIVER Table 4-8-7 Table 4-8-8 4 - 46 Mode select 8 H. Solvents and Oil List Table 4-8-9 4 - 47 IX. LOCATION OF CONNECTORS 4 - 48 4 - 49 Page Page Page A-1 Timing chart for two consecutive prints on A4 paper (Lower cassette feed - face-down tray delivery) I. GENERAL TIMING CHART (Unit: Seconds) Page 654321 D C Ferritecore ToHVT Fixingsub heater 654321 D C (option) Expansion interface board J1 III. LIST OF SIGNALS A. Input/output signals to/from DC controller PCB A - 5 A - 6 A - 7 A - 8 A - 9 Page IV. MESSAGES TABLE A - 11 A - 12 Note: A - 13 A - 14 A - 15 Note: A - 16 A - 17 A - 18 Note: A - 19 A - 20