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KONICA MINOLTA 7020, SERVICE MANUAL
This service manual, is the full KONICA MINOLTA 7020 Service Repair Manual.
This manual, KONICA MINOLTA 7020, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your KONICA MINOLTA 7020 copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of KONICA MINOLTA 7020 photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
1. OUTLINE
OUTLINE OF SYSTEM
7020 SERIES PRODUCT SPECIFICATIONS
CENTER CROSS SECTION
DRIVE SYSTEM DIAGRAM
[1] Main Drive
[2] Developing Drive
[3] Paper feed Drive
[4] ADU Drive
[5] Reading Drive
[6] Toner supply Drive
2. UNIT EXPLANATION
EXTERNAL SECTION
[1] Composition
DRIVE SECTION
[1] Composition
[2] Mechanisms
[3] M1 (Main Motor) Control
READ SECTION
[1] Composition
[2] Mechanisms
[3] M2 (Optical Motor) Control
[4] Exposure Control
[5] Original Reading Control
[6] APS Control
[7] AE Control
WRITE UNIT
[1] Composition
[2] Mechanisms
[3] M5 (Polygon Motor) Control
[4] Image Write Control
DRUM UNIT
[1] Composition
[2] Mechanisms
[3] PCL/TSL Control
[4] Separation Claws Control
[5] Paper Entrance Guide Plate Control
CORONA UNIT
[1] Composition
[2] Mechanisms
[3] Charging Control
[4] Transfer/Separation Control
DEVELOPING UNIT
[1] Composition
[2] Mechanisms
[3] M3 (Developing Motor) Control
[4] Developing Bias Control
[5] Toner Density Control
TONER SUPPLY UNIT
[1] Composition
[2] Mechanisms
[3] Toner Level Detection Control
[4] Toner Bottle Detection Control
CLEANING/TONER RECYCLE UNIT
[1] Composition
[2] Mechanisms
PAPER FEED UNIT
[1] Composition
[2] Mechanisms
[3] Paper Feed Control
[4] Paper Up Down Control
[5] Paper Size Detection Control
[6] No Paper Detection Control
[7] Control of Paper Level Detection
[8] Intermediate Conveyance Control
(7030/7130/7035/7135 Only)
FIXING UNIT
[1] Composition
[2] Mechanisms
[3] Fixing Temperature Control
[4] SD4 (Cleaning Web SD) Control
ADU/PAPER EXIT SECTION
[1] Composition
[2] Mechanisms
[3] Paper Exit/ADU Conveyance
Switching Control
[4] ADU Conveyance Control
OTHER CONTROLS
[1] Parts Energized When the Main Power
Switch is OFF
[2] Components Operated by Power
Switches SW1 and SW2
[3] Fan Control
[4] Operation Unit Control
[5] Counter Control
[6] Option Control
3. DISASSEMBLY / ASSEMBLY
EXTERNAL SECTION
[1] Replacing the Ozone Filter
[2] Replacing the Filter Cover Assembly and
Suction Filter/A (Other Than 7020/25/30)
DRIVE SECTION
[1] Removing and Reinstalling the Motor
Units (Main, Paper Feed, Developing)3-B-1
[2] Replacing the Registration Clutch
[3] Replacing the Loop Clutch
[4] Removing the Ribbon Cable
(Other than 7135)
[5] Reinstalling the Ribbon Cable
(Other Than 7135)
[6] Removing the Ribbon Cable
(7135 Only)
[7] Reinstalling the Ribbon Cable
(7135 Only)
READ SECTION
[1] Screws That Must Not be Removed
[2] Removing the Original Glass
[3] Removing and Reinstalling the CCD Unit 3-C-2
[4] Replacing the Exposure Lamp
[5] Removing and Reinstalling the
Exposure Unit
[6] Removing and Reinstalling the
Optics Drive Motor
[7] Removing the Optics Wire
[8] Installing the Optics Wire
WRITE UNIT
[1] Removing and Reinstalling the Write Unit 3-D-1
DRUM UNIT
[1] Removing and Reinstalling the
Drum Unit
[2] Removing and Reinstalling the Drum 3-E-1
[3] Removing and Reinstalling the
Separation Claw
CORONA UNIT SECTION
[1] Removing and Reinstalling the
Charging Corona Unit
[2] Removing and Reinstalling the Charge
Control Plate
[3] Replacing the charging wire
[4] Removing and Reinstalling the
Transfer and Separation Corona Unit 3-F-2
[5] Replacing the Transfer and Separation
Wires
DEVELOPING UNIT
[1] Screws That Must not be Removed
[2] Removing and Reinstalling the
Developing Unit
[3] Replacing the Developer
TONER SUPPLY UNIT
[1] Removing and Reinstalling the Toner
Bottle
[2] Removing and Reinstalling the Toner
Supply Unit
CLEANING/TONER RECYCLE UNIT
[1] Removing and Reinstalling the
Cleaning Blade
PAPER FEED UNIT
[1] Replacing the Bypass Pickup
Roller/Bypass Conveyance Roller
[2] Replacing the Bypass Reversal Roller 3-J-2
[3] Replacing the Feed Rubber and the
Double Feed Prevention Upper Rubber
(Upper Tray)
[4] Replacing the Double Feed Prevention
Lower Rubber (Upper Tray)
[5] Replacing the Feed Rubber and Double
Feed Prevention Upper Rubber (Lower
Tray)
[6] Replacing the Double Feed Prevention
Lower Rubber (Lower Tray)
[7] Replacing the Registration Rollers
1 and 2
[8] Cleaning the Paper Dust Removing
Brush
FIXING UNIT
[1] Removing and Reinstalling the
Fixing Unit
[2] Replacing the Fixing Heater Lamps
(Main Lamp and Sub Lamp)
[3] Removing and Reinstalling the Fixing
Claw
[4] Replacing the Fixing Web/Fixing Cleaning
Roller
[5] Removing and Reinstalling the Fixing
Heat Roller/Fixing Pressure Roller
[6] Removing and Reinstalling the Fixing
Temperature Sensors
[7] Removing and Reinstalling the Fuse
Mounting Plate assembly
ADU/PAPER EXIT SECTION
[1] Removing and Reinstalling the Exit
Sensor Unit (7020/25/30/35 Only)
4
HOW TO USE THE ADJUSTMENT SECTION
[1] Construction
ADJUSTMENTS WHEN REPLACING PARTS
LIST OF ADJUSTMENT ITEMS
MODE CHANGE MENU
[1] Setting Method
CHECK OF COUNT VALUE WITH P FUNCTION
[1] How to Use P Function
25 MODE
[1] Setting Method
[2] Setting Software DIP SW
[3] PM Count Setting
[4] Data Collection
[5] Copy Count for Each Part to be
Replaced
[6] Password Setting
[7] Setting Phone Number of the Service
Center
[8] Setting the Serial Number
[9] Displaying the ROM Version
[10] KRDS Setting
[11] ISW Setting
[12] Root counter display
[13] Setting Date
[14] Counter Clear
(Other Than 7020/25/30/35)
36 MODE
[1] Setting Method
[2] High Voltage Adjustment
[3] Timing Adjustment
[4] Running Test Mode
[5] Test Pattern Output
[6] Test Pattern Density Adjustment
[7] Image Quality Adjustment
[8] List Print
[9] Counter Clear
[10] Adjustment of RADF
[11] FNS Adjustment
47 MODE
[1] 47 Mode Setting Method
[2] Initial Setting in the Field
[3] RADF Original Size Detection
Adjustment
[4] ERDH Memory Check
[4-1] Bypass Size Detection Adjustment
[5] Input Check List
[6] Output Check List
OTHER ADJUSTMENTS
[1] RADF Mounting Position Adjustment
[2] RADF Distortion Adjustment
[3] RADF Original Skew Adjustment
[4] DB-409/410 Paper centering
Adjustment
[5] DB-409/410 Tray Tilt Adjustment
5. ISW
[1] Description of the ISW
[2] Operating Method
6. KRDS
[1] Outline
[2] Specifications
[3] KRDS Setting
[4] KRDS Set Up
[5] Calling Time Set Menu Mode (Arbitrary)
[6] KRDS Host Call
[7] Data to be Processed
[8] FAX KRDS Auto ON Function
[9] A Point to Notice for Operation
[10] ASCII Code Table
[11] Error Code Table
7. SERVICE SCHEDULE
[1] Service Schedule
[2] Maintenance Items
[3] Periodic Check Items (Main Body)
[4] Periodic Check Items (Options)
[5] List of Actual Durable Counters for
Replacement Parts
[6] Important Maintenance Parts
COPY MATERIALS
[1] PM Parts Kit
[2] Consumables (Single Unit Supply)
SERVICE MATERIALS LIST
[1] Maintenance Kit Composition
SPECIAL TOOLS LIST
8. DIAGRAMS
MAIN BODY ELECTRICAL PARTS LAYOUT
DRAWING
[1] Switches and Sensors
[2] Loads
[3] PCBs and Others
DF-314 ELECTRICAL PARTS LAYOUT DRAWING
FS-107 ELECTRICAL PARTS LAYOUT DRAWING
DB-209/210 ELECTRICAL PARTS LAYOUT DRAWING
DB-409/410 ELECTRICAL PARTS LAYOUT DRAWING
IT-101 ELECTRICAL PARTS/CONNECTOR LAYOUT DRAWING
MAIN BODY CONNECTOR LAYOUT DRAWING
DF-314 CONNECTOR LAYOUT DRAWING
FS-107 CONNECTOR LAYOUT DRAWING
DB-209/210 CONNECTOR LAYOUT DRAWING
DB-409/410 CONNECTOR LAYOUT DRAWING
LIST OF JAM CODES
LIST OF WARNING (ERROR) CODES
7020 TIME CHART (8.5X11, LIFE SIZE, 2 COPIES, FEED FROM TRAY 1)
7030 TIME CHART (8.5X11, LIFE SIZE, 2 COPIES, FEED FROM TRAY 1)
7035 TIME CHART (8.5X11, LIFE SIZE, 2 COPIES, FEED FROM TRAY 1)
7020ADU TIME CHART (8.5X11, LIFE SIZE, 3 COPIES, FEED FROM TRAY 1)
7035ADU TIME CHART (A4, LIFE SIZE, 3 COPIES, FEED FROM TRAY 1)
DF-314 TIME CHART (8.5X11, SINGLE SIDE ORIGINAL, 3 SHEETS)
7035/DF-314 TIME CHART (8.5X11, SINGLE SIDE ORIGINAL, 3 SHEETS)
DF-314 TIME CHART (8.5X11, DOUBLE SIDE ORIGINALS, 2 SHEETS)
7035/DF-314 TIME CHART (8.5X11, DOUBLE SIDE ORIGINALS, 2 SHEETS)
FS-107 TIME CHART (8.5X11, SORT MODE, 2 SHEETS, 2 SETS)
7035/FS-107 TIME CHART (8.5X11, SORT MODE, 2 SHEETS, 2 SETS)
FS-107 TIME CHART (8.5X11, STAPLE MODE, 2 SHEETS, 1 POSITION)
7035/FS-107 TIME CHART (8.5X11, STAPLE MODE, 2 SHEETS, 1 POSITION)
DB-209/DB409 TIME CHART (8,5X11, LIFE SIZE, 3 COPIES, FEED FROM TRAY 3)
7020 SERIES WIRING DIAGRAM
DF-314 OVERALL WIRING DIAGRAM
FS-107 OVERALL WIRING DIAGRAM
DB-209/210/DB-409/410 OVERALL WIRING DIAGRAM
Numbers of pages: 845.
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