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
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