Konica 7022 Service Manual.pdf

SERVICE MANUAL

Models

7020/7022/7025/7030

7035/7130/7135

OCTOBER 2002

CSM-7135

KONICA BUSINESS TECHNOLOGIES, INC.

7020/7022/7025/7030

7035/7130/7135

SERVICE MANUAL

OCTOBER 2002

IMPORTANT NOTICE

Because of the possible hazards to an inexperienced

person servicing this equipment, as well as the risk of

damage to the equipment, Konica Business Technolo-

gies strongly recommends that all servicing be per-

formed by Konica-trained service technicians only.

Changes may have been made to this equipment to

improve its performance after this service manual was

printed. Accordingly, Konica Business Technologies,

Inc., makes no representations or warranties, either

expressed or implied, that the information contained in

this service manual is complete or accurate. It is under-

stood that the user of this manual must assume all risks

or personal injury and/or damage to the equipment while

servicing the equipment for which this service manual

is intended.

Corporate Publications Department

Printed in U.S.A.

CONTENTS

SAFETY AND IMPORTANT WARNING ITEMS .......... vii

IMPORTANT NOTICE ................................................. vii

CORONA UNIT .................................................. 2-F-1

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

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

[3] Charging Control ................................ 2-F-2

[4] Transfer/Separation Control ............... 2-F-3

DEVELOPING UNIT .......................................... 2-G-1

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

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

[3] M3 (Developing Motor) Control .......... 2-G-2

[4] Developing Bias Control ..................... 2-G-2

[5] Toner Density Control ........................ 2-G-3

TONER SUPPLY UNIT ...................................... 2-H-1

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

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

[3] Toner Level Detection Control ........... 2-H-2

[4] Toner Bottle Detection Control .......... 2-H-2

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

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

[2] Mechanisms ........................................ 2-I-1

PAPER FEED UNIT ............................................ 2-J-1

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

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

[3] Paper Feed Control ............................. 2-J-2

[4] Paper Up Down Control ...................... 2-J-3

[5] Paper Size Detection Control .............. 2-J-4

[6] No Paper Detection Control ................ 2-J-6

[7] Control of Paper Level Detection ........ 2-J-6

[8] Intermediate Conveyance Control

(7030/7130/7035/7135 Only) .............. 2-J-7

FIXING UNIT ...................................................... 2-K-1

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

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

[3] Fixing Temperature Control ............... 2-K-2

[4] SD4 (Cleaning Web SD) Control ....... 2-K-4

ADU/PAPER EXIT SECTION ............................ 2-L-1

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

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

[3] Paper Exit/ADU Conveyance

Switching Control ............................... 2-L-2

[4] ADU Conveyance Control .................. 2-L-3

OTHER CONTROLS ......................................... 2-M-1

[1] Parts Energized When the Main Power

Switch is OFF .................................... 2-M-1

[2] Components Operated by Power

Switches SW1 and SW2 ................... 2-M-1

[3] Fan Control ........................................ 2-M-2

[4] Operation Unit Control ...................... 2-M-4

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

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

DESCRIPTION ITEMS FOR DANGER, WARNING

AND CAUTION ............................................................ vii

SAFETY WARNINGS .................................................. vii

SAFETY INFORMATION ........................................... xvi

IMPORTANT INFORMATION .................................... xvi

SAFETY CIRCUITS ................................................... xvii

INDICATION OF WARNING ON THE MACHINE ..... xix

7020 SERIES LIST OF DIFFERENCE ................... xxi

LIST OF OPTIONS THAT CAN BE USED WITH THE

7020 SERIES ......................................................... xxii

7020 SERIES PRODUCT CONFIGURATORS .... xxiii

1. OUTLINE

OUTLINE OF SYSTEM .......................................... 1-1

7020 SERIES PRODUCT SPECIFICATIONS ....... 1-2

CENTER CROSS SECTION ................................. 1-5

DRIVE SYSTEM DIAGRAM .................................. 1-6

[1] Main Drive .............................................. 1-6

[2] Developing Drive .................................... 1-7

[3] Paper feed Drive .................................... 1-8

[4] ADU Drive ............................................ 1-10

[5] Reading Drive ....................................... 1-11

[6] Toner supply Drive ............................... 1-12

2. UNIT EXPLANATION

EXTERNAL SECTION ....................................... 2-A-1

[1] Composition ....................................... 2-A-1

DRIVE SECTION ............................................... 2-B-1

[1] Composition ....................................... 2-B-1

[2] Mechanisms ....................................... 2-B-1

[3] M1 (Main Motor) Control .................... 2-B-2

READ SECTION ................................................ 2-C-1

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

[2] Mechanisms ....................................... 2-C-1

[3] M2 (Optical Motor) Control ................ 2-C-2

[4] Exposure Control ............................... 2-C-5

[5] Original Reading Control .................... 2-C-6

[6] APS Control ........................................ 2-C-7

[7] AE Control .......................................... 2-C-9

WRITE UNIT ...................................................... 2-D-1

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

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

[3] M5 (Polygon Motor) Control ............... 2-D-2

[4] Image Write Control ........................... 2-D-3

DRUM UNIT ....................................................... 2-E-1

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

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

[3] PCL/TSL Control ................................ 2-E-2

[4] Separation Claws Control .................. 2-E-2

[5] Paper Entrance Guide Plate Control . 2-E-3

3. DISASSEMBLY / ASSEMBLY

EXTERNAL SECTION ....................................... 3-A-1

[1] Replacing the Ozone Filter ................ 3-A-1

iii

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika: