Konica 7035 GUIDE MANUAL 7035tc0e

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-5

IMPORTANT INFORMATION .................................... C-5

SAFETY CIRCUITS ....................................................C-6

INDICATION OF WARNING ON THE MACHINE ...... C-8

1. OUTLINE

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

7020/25/30/35 PRODUCT SPECIFICATIONS ....... 1-2

CENTER CROSS SECTION ..................................1-4

DRIVE SYSTEM DIAGRAM ................................... 1-5

[1] Main drive ............................................... 1-5

[2] Developing drive ..................................... 1-6

[3] Paper feed drive ..................................... 1-7

[4] ADU drive ............................................... 1-9



[5] Reading drive ....................................... 1-10



[6] Toner supply drive ................................ 1-11



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

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

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

REVISED EDITION

DATE

Feb. 2001

PA GE

–

METHOD

REPLACEMENT

CONTENTS

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

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

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

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

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

(7030/35 only) ...................................... 2-J-7

[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

[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

[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

3. DISASSEMBLY / ASSEMBLY

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

[1] Replacing the ozone filter ................... 3-A-1

[2] Replacing the filter cover assembly and

DRIVE SECTION ............................................... 3-B-1

READ SECTION ................................................ 3-C-1

suction filter/A (7035 only) .................. 3-A-2

[1] Removing and Reinstalling the motor

units (main, paper feed, developing) .. 3-B-1

[2] Replacing the registration clutch ........ 3-B-2

[3] Replacing the loop clutch ................... 3-B-3

[4] Removing the ribbon cable ................. 3-B-4

 

[5] Reinstalling the ribbon cable .............. 3-B-4



[1] Screws that must not be removed ...... 3-C-1

[2] Removing the original glass ............... 3-C-1

[3]

Removing and Reinstalling the CCD unit ..

[4] Replacing the exposure lamp ............. 3-C-3

[5] Removing and

exposure unit ...................................... 3-C-4

einstalling the

3-C-2

[6] Removing and

optics drive motor ............................... 3-C-5

[7] Removing the optics wire ................... 3-C-5

[8] Installing the optics wire ..................... 3-C-6

WRITE UNIT ...................................................... 3-D-1

[1] Removing and

DRUM UNIT ....................................................... 3-E-1

[1] Removing and

drum unit ............................................. 3-E-1

[2] Removing and [3] Removing and

separation claw ................................... 3-E-3

CORONA UNIT SECTION ................................. 3-F-1

[1] Removing and

charging corona unit ........................... 3-F-1

[2] Removing and

control plate ........................................ 3-F-1

[3] Replacing the charging wire ............... 3-F-2

[4] Removing and

transfer and separation corona unit .... 3-F-2

[5] Replacing the transfer and separation

wires ................................................... 3-F-3

DEVELOPING UNIT ........................................... 3-G-1

[1] Screws that must not be removed ...... 3-G-1

[2] Removing and

developing unit ................................... 3-G-1

[3] Replacing the developer ..................... 3-G-2

TONER SUPPLY UNIT ...................................... 3-H-1

[1] Removing and

bottle ................................................... 3-H-1

[2] Removing and

supply unit .......................................... 3-H-1

CLEANING/TONER RECYCLE UNIT ..................3-I-1

[1] Removing and

cleaning blade ...................................... 3-I-1

PAPER FEED UNIT ............................................ 3-J-1

[1] Replacing the by-pass pickup

roller/by-pass conveyance roller .......... 3-J-1

[2] Replacing the by-pass reversal roller .. 3-J-2 [3] Replacing the feed rubber and the

double feed prevention upper rubber

(upper tray) .......................................... 3-J-2

[4] Replacing the double feed prevention

lower rubber (upper tray) ..................... 3-J-3

[5] Replacing the feed rubber and double

feed prevention upper rubber (lower tray) . 3-J-4 [6] Replacing the double feed prevention

lower rubber (lower tray) ...................... 3-J-6

[7] Replacing the registration rollers

1 and 2 ................................................. 3-J-6

FIXING UNIT ...................................................... 3-K-1

[1] Removing and

fixing unit ............................................ 3-K-1

einstalling the

einstalling the write unit .. 3-D-1

einstalling the

einstalling the drum .. 3-E-1

einstalling the

einstalling the charge

einstalling the

einstalling the toner

einstalling the

REVISED EDITION

DATE

Feb. 2001

PA GE

–

METHOD

REPLACEMENT

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