Konica 7065 GUIDE MANUAL 7065tc0e

CONTENTS

CONTENTS

SAFETY AND IMPORTANT WARNING ITEMS ..........C-1

IMPORTANT NOTICE .................................................. C-1

DESCRIPTION ITEMS FOR DANGER, WARNING

AND CAUTION ............................................................ C-1

SAFETY WARNINGS ..................................................C-2

SAFETY INFORMATION ............................................. C-4

IMPORTANT INFORMATION ...................................... C-4

SAFETY CIRCUITS ..................................................... C-5

INDICATION OF WARNING ON THE MACHINE ........ C-7

1. PROCESS

OUTLINE AND COMPOSITION................................. 1-1

IMAGE READ MECHANISM ...................................... 1-2

[1] Outline............................................................ 1-2

IMAGE PROCESSING............................................... 1-3

[1] Outline............................................................ 1-3

[2] Analog Processing ......................................... 1-3

[3] A/D Conversion.............................................. 1-3

[4] Shading Correction ........................................ 1-3

[5] Brightness/Density Conversion...................... 1-4

[6] EE Processing ............................................... 1-4

[7] Text/Dot Pattern Judgement .......................... 1-4

[8] Filtering .......................................................... 1-4

[9] Magnification Processing ............................... 1-5

[10] Reversal Processing...................................... 1-6

[11] Copy γ Correction .......................................... 1-6

[12] Selector, SGU................................................ 1-6

[13] Write Density Control..................................... 1-6

[14] Error Diffusion Processing ............................. 1-6

[15] Image Compression Processing.................... 1-6

[16] Memory.......................................................... 1-6

[17] 2-beam Control .............................................. 1-6

IMAGE WRITE ........................................................... 1-7

[1] Outline............................................................ 1-7

[2] Collimator lens ............................................... 1-8

[3] Beam combining prism .................................. 1-8

[4] Compression Prism........................................ 1-8

[5] Fine Adjustment Prism................................... 1-8

[6] Polygon mirror................................................ 1-8

[7] fθ lens ............................................................ 1-8

[8] Cylindrical Lenses.......................................... 1-9

[9] Index Sensor.................................................. 1-9

IMAGE FORMATION ............................................... 1-10

[1] Charging ...................................................... 1-10

[2] Exposure...................................................... 1-10

[3] Developing ................................................... 1-10

[4]

Transfer/Transfer Synchronization Exposure ..

[5] Separation.................................................... 1-11

[6] Cleaning....................................................... 1-11

[7] PCL .............................................................. 1-11

1-10

2. MAIN BODY

OUTLINE OF THE SYSTEM ...................................2-A-1

7065 PRODUCT SPECIFICATIONS.......................2-A-2

CENTER CROSS-SECTION...................................2-A-4

DRIVE SYSTEM DIAGRAM....................................2-B-1

[1] Main Drive................................................... 2-B-1

[2] Drum/Developing Drive............................... 2-B-2

[3] Paper Feed Drive........................................ 2-B-3

[4] ADU Paper Feed/Conveyance Drive ..........2-B-4

[5] 1000-Tray Paper Feed/Conveyance Unit ... 2-B-5
[6] 1500-Tray Paper Feed/Conveyance Unit ... 2-B-6

[7] Reversal/Paper Exit Unit.............................2-B-7

CONTENTS

EXTERNAL SECTION ........................................... 2-C-1

[1] Composition ............................................... 2-C-1

[2] Disassembly and Re-assembly.................. 2-C-1

DRIVE SECTION ................................................... 2-D-1

[1] Composition ............................................... 2-D-1

[2] Mechanisms............................................... 2-D-1

[3] Disassembly and Re-assembly.................. 2-D-2

[4] M1 (main) Control ...................................... 2-D-4

[5] M4 (drum) Control...................................... 2-D-4

READ SECTION .....................................................2-E-1

[1] Composition ................................................2-E-1

[2] Mechanisms................................................ 2-E-1

[3] Disassembly and Re-assembly...................2-E-1

[4] M12 (optics drive) Control........................... 2-E-8

[5] Exposure control .......................................2-E-11

[6] Original Read Control ............................... 2-E-12

[7] APS Control ..............................................2-E-12

[8] EE Control.................................................2-E-14

WRITE UNIT ........................................................... 2-F-1

[1] Composition ................................................ 2-F-1

[2] Mechanisms................................................ 2-F-1

[3] Disassembly and Re-assembly................... 2-F-2

[4] M5 (polygon) Control .................................. 2-F-4

[5] Image Write Control .................................... 2-F-6

DRUM UNIT ........................................................... 2-G-1

[1] Composition ............................................... 2-G-1

[2] Mechanisms............................................... 2-G-1

[3] Disassembly and Re-assembly.................. 2-G-2

[4] PCL/TSL Control........................................ 2-G-5

[5] Separation Claw Control ............................ 2-G-5

[6] Paper Guide Plate Control ......................... 2-G-6

CORONA UNIT SECTION ..................................... 2-H-1

[1] Composition ............................................... 2-H-1

[2] Mechanisms............................................... 2-H-1

[3] Disassembly and Re-assembly.................. 2-H-2

[4] Charging Control........................................ 2-H-6

[5] Transfer/Separation Control....................... 2-H-7

[6] M7 (charging wire cleaning) Control .......... 2-H-8

[7]

M8 (transfer/separation wire cleaning) Control ..

DEVELOPING UNIT................................................. 2-I-1

[1] Composition ................................................. 2-I-1

[2] Mechanism................................................... 2-I-1

[3] Disassembly/Assembly ................................ 2-I-2

[4] M3 (developing drive) Control...................... 2-I-4

[5] M35 (agitator screw) Control........................ 2-I-5

[6] Developing Bias Control .............................. 2-I-5

[7] Toner Density Control .................................. 2-I-6

[8] Dmax Control ............................................... 2-I-7

[9] Gradation Correction Control ....................... 2-I-8

[10] FM30 (developing suction) Control .............. 2-I-9

TONER SUPPLY UNIT ........................................... 2-J-1

[1] Composition ................................................ 2-J-1

[2] Mechanisms................................................ 2-J-1

[3] Disassembly and Re-assembly................... 2-J-2

2-H-9

[4] Toner Level Detection Control .................... 2-J-3

CLEANING/TONER RECYCLE UNIT .....................2-K-1

[1] Composition ................................................2-K-1

[2] Mechanisms................................................2-K-1

[3] Disassembly and Re-assembly...................2-K-1

[4] MC10 (cleaner) Control...............................2-K-4

PAPER FEED UNIT ................................................ 2-L-1

[1] Composition ................................................ 2-L-1

[2] Mechanisms................................................ 2-L-1

[3] Disassembly and Re-assembly................... 2-L-3

[4] Paper Feed Control................................... 2-L-14

[5] Paper Up-down Control ............................ 2-L-16

[6] Paper Size Detection Control.................... 2-L-17

[7] No Paper Detection Control ...................... 2-L-18

LCT-1000 TRAY PAPER FEED/CONVEYANCE SECTION ...

[1] Composition ............................................... 2-M-1

[2] Mechanisms............................................... 2-M-1

[3] Disassembly and Re-assembly.................. 2-M-2

[4] 1000 Tray Paper Feed/No Paper Detection

Control ....................................................... 2-M-5

LCT-1500 TRAY PAPER FEED/CONVEYANCE SECTION ...

[1] Composition ............................................... 2-N-1

[2] Mechanisms............................................... 2-N-1

[3] Disassembly and Re-assembly.................. 2-N-2

[4] 1500 Tray Paper Feed/No Paper Detection

Control ....................................................... 2-N-5

LCT PAPER TRAY SECTION ................................ 2-O-1

[1] Composition ............................................... 2-O-1

[2] Mechanisms............................................... 2-O-1

[3] Disassembly and Re-assembly.................. 2-O-2

[4] Tray up-down Control ................................ 2-O-5

ADU PAPER FEED/CONVEYANCE SECTION......2-P-1

[1] Composition ................................................2-P-1

[2] Mechanisms................................................2-P-1

[3] Disassembly and Assembly ........................2-P-3

[4] Paper Feed/Reversal Control ..................... 2-P-6

[5] Conveyance Control ................................... 2-P-7

[6] ADU Cooling Fan Control ........................... 2-P-7

CONVEYANCE SECTION ..................................... 2-Q-1

[1] Composition ............................................... 2-Q-1

[2] Mechanisms............................................... 2-Q-1

[3] Disassembly and Re-assembly.................. 2-Q-2

[4] FM14 (conveyance suction fan) Control .... 2-Q-4

[5] SD5 (conveyance) Control......................... 2-Q-4

FIXING UNIT .......................................................... 2-R-1

[1] Composition ............................................... 2-R-1

[2] Mechanisms............................................... 2-R-1

[3] Disassembly and Re-assembly.................. 2-R-3

[4] Fixing Temperature Control ..................... 2-R-17

REVERSAL/PAPER EXIT SECTION ...................... 2-S-1

[1] Composition ................................................2-S-1

[2] Mechanisms................................................2-S-1

[3] Disassembly and Assembly ........................2-S-2

[4] Reversal Paper Exit Control........................2-S-5

2-M-1

2-N-1

CONTENTS

[5] Reversal paper exit cooling fan control.......2-S-7

OTHER KINDS OF CONTROL ............................... 2-T-1

[1] Parts Through Which Current Flows

When the Main Switch is Turned OFF ........2-T-1

[2] Parts That Operate When the Main Switch is

Turned ON .................................................. 2-T-1

[3] Cooling Fan Control .................................... 2-T-2

[4] Operation Panel Control ............................. 2-T-3

[5] Counter Control........................................... 2-T-5

[6] Option Control............................................. 2-T-6

3. DIAGRAMS

7065 ELECTRICAL PARTS LAYOUT DRAWING ..... 3-1

7065 CONNECTOR LAYOUT DRAWING ................. 3-4

7065 OVERALL WIRING DIAGRAM.......................... 3-7

JAM LIST.................................................................. 3-13

[1] Paper Jam.................................................... 3-13

[2] Abnormalities ............................................... 3-20

[3] KRDS ........................................................... 3-27

LIST OF DISCONNECTED CONNECTOR CODES....

[1] Paper Jam.................................................... 3-28

[2] Abnormality .................................................. 3-29

[3] Others .......................................................... 3-30

CONTROL BOARD CIRCUIT DIAGRAM................. 3-31

PAPER EXIT DRIVE BOARD .................................. 3-50

OPERATION BOARD/2 CIRCUIT DIAGRAM .......... 3-51

OPERATION BOARD/3 CIRCUIT DIAGRAM .......... 3-53

7065 TIMING CHART (A4, LIFE SIZE, TWO COPIES,

UPPER PAPER FEED) ............................................ 3-54

7065 ADU TIMING CHART (A4, TWO ORIGINALS,

TWO SHEETS SET) ................................................ 3-55

4. ADJUSTMENT

HOW TO USE THE ADJUSTMENT SECTION .......... 4-1

[1] Composition ................................................... 4-1

ADJUSTMENTS WHEN REPLACING PARTS .......... 4-1

SETTING AND CHECKING WITH P FUNCTION ...... 4-3

[1] Setting Method of P Function......................... 4-3

[2] Checking the Printer Count............................ 4-3

[3] Checking the Total Count .............................. 4-3

[4] Checking the PM Count/Starting Date ........... 4-3

[5] Checking the Drum Count.............................. 4-3

[6] Checking the Developing Count .................... 4-3

[7] Checking the Density Shift (text/photo).......... 4-3

[8] Checking the Density Shift (text).................... 4-4

[9] Checking the Density Shift (photo) ................ 4-4

[10] Checking the Density Shift

(INCREASE CONTRAST) ............................. 4-4

[11] Printing User Data.......................................... 4-4

MODE CHANGING MENU SELECT.......................... 4-5

[1] Setting Method............................................... 4-5

25 MODE.................................................................... 4-6

[1] Setting Method............................................... 4-6

[2] Setting Software DIP SW............................... 4-6

3-28

[3] Tray Paper Size Setting ............................... 4-16

[4] PM Count Reset........................................... 4-17

[5] Setting PM Cycle ......................................... 4-17

[6] Data Collection............................................. 4-18

[7] Copy Count by Parts to be Replaced........... 4-24

[8] Setting Key Operator Password................... 4-27

[9] Setting EKC Master Key Code..................... 4-28

[10] Setting Weekly Timer Master Key Code ...... 4-29

[11] Specifying Phone Number of Service Center4-29

[12] Setting and Displaying Serial Number ......... 4-30

[13] Displaying ROM Version.............................. 4-31

[14] Setting KRDS............................................... 4-32

[15] KRDS Set Up............................................... 4-32

[16] Call setting menu mode ............................... 4-44

[17] Saving KRDS Data onto Memory Card ....... 4-47

[18] Reference .................................................... 4-49

[19] KRDS Data List............................................ 4-50

[20] Error Code Table ...................................... 4-51-1

[21] Set-Up Date Setting..................................... 4-52

[22] 25 Mode Adjust Item List ............................. 4-53

36 MODE.................................................................. 4-54

[1] Setting Method............................................. 4-54

[2] High Voltage Adjustment ............................. 4-54

[3] L-Detecting Adjustment................................ 4-56

[4] Laser Adjustment......................................... 4-56

[5]

Maximum Density Adjustment (Dmax adjustment)...

[6] Gamma Adjustment ..................................... 4-59

[7]

Recall Standard Data (Process adjustment) ...

[8] Scale Plate Position Auto Adjustment.......... 4-60

[9] Magnification Adjustment............................. 4-62

[10] Timing Adjustment ....................................... 4-66

[11] RADF Adjustment ........................................ 4-71

[12] Centering Adjustment .................................. 4-73

[13] Platen Density Adjustment........................... 4-76

[14] Recall Standard Data (Image Adjustment) .. 4-77

[15] Running Test Mode...................................... 4-77

[16] Test Pattern Output...................................... 4-78

[17] Test Pattern Density Setting ........................ 4-89

[18] Service data Output ..................................... 4-89

47 MODE/MULTI MODE .......................................... 4-91

[1] 47/Multi Mode Setting Method ..................... 4-91

[2] Initial Setting ................................................ 4-93

[3] Adjustment Mode List .................................. 4-93

[4] Input Check List ........................................... 4-94

[5] Output Check List ........................................ 4-96

OTHER ADJUSTMENT.......................................... 4-100

[1] Adjustment for Centering error................... 4-100

[2] 4.00X Leading Edge Timing and Black Line

Check......................................................... 4-102

[3] RADF installing position adjustment .......... 4-102

[4] RADF skew adjustment ............................. 4-103

[5] RADF paper skew adjustment ................... 4-104

4-59

4-60

CONTENTS

5. SERVICE

SERVICE SCHEDULE ............................................... 5-1

[1] Service Schedule ........................................... 5-1

[2] Maintenance Items......................................... 5-2

[3] Periodic Check (Main Body) .......................... 5-8

[4] Periodic Check (RADF [DF-312])................. 5-11

[5] Periodic Check [LT-352] .............................. 5-11

[6] Periodic Check [FS-106] .............................. 5-11

[7] Actual count replacement parts ................... 5-12

COPY MATERIALS .................................................. 5-13

[1] Maintenance Kit Construction ...................... 5-13

[2] PM Kit Construction ..................................... 5-15

SERVICE MATERIALS LIST.................................... 5-17

SPECIAL TOOLS LIST ............................................ 5-18