Konica 7035 GUIDE MANUAL 703503e

DISASSEMBLY/ASSEMBLY

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

This section explains how to disassemble and reassemble the machine. When disassembling and reassembling the machine, follow the precautions given below.

1. Be sure the power cord has been unplugged from the wall outlet.

2. The disassembled parts must be reassembled following the disassembly procedure in reverse unless otherwise specified.

3. Care should be taken not to lose small parts. Care should also be taken not to install small parts in wrong places.

4. Do not operate the machine before installing all the disassembled parts completely.

5. Removal of some screws is prohibited in this section. Never loosen them.

EXTERNAL SECTION

[1] Replacing the ozone filter

Caution: Be sure that the power cord has

been unplugged from the outlet.

a. Procedure

(1) Remove the five set screws, and remove the read

right cover.

Set screws

Read right cover

(3) Reinstall the above parts following the removal

steps in reverse.

How to install the ozone filter

PET sheet

Ozone filter

Caution: When installing the ozone filter, take care

not to break it.

Push the PET sheet firmly against the rear.

Insert the front part.

Shift the front part to eliminate clearance.

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

Rib

Note: If an unusual noise is emitted when you open

or close the by-pass tray, clean the ADU door rib with alcohol.

(2) Remove the ozone filter.

PET sheet <7020/25/30 only>

Ozone filter

REVISED EDITION

DATE

Feb. 2001

3-A-1

PAG E

3-A-1

METHOD

REPLACEMENT

EXTERNAL SECTION

1 OUTLINE

[2] Replacing the filter cover assembly

and suction filter/A (7035 only)

Caution: Be sure that the power cord has

been unplugged from the outlet.

a. Procedure

(1) Remove the set screw, then remove the filter cover

assembly.

(2) Remove the suction filter/A.

2 UNIT EXPLANATION

Set screw

Suction filter/A

3 DIS./ASSEMBLY

Filter cover assembly

(3) Reinstall the above parts following the removal

steps in reverse.

REVISED EDITION

DATE

Feb. 2001

3-A-2

PAG E

3-A-2

METHOD

ADDITION

DRIVE SECTION

[1]

Removing and Reinstalling the motor

units (main, paper feed, developing)

Caution: Be sure that the power cord has

been unplugged from the outlet.

Caution: Be sure to remove the drum unit

from the main body before removing or reinstalling the main motor unit. If the drum unit is in place at this time, the drum will rotate when you install or remove the drum rotating plate, resulting in possible damage to the cleaning blade.

a. Procedure

(1) Remove the developing unit and drum unit from the

main body.

(2) Remove the 2 set screws, and remove the cord

cover A. Then remove the cord cover B.

(3) Remove the 9 set screws, and remove the rear

cover.

Rear cover

(4) Remove the 2 set screws holding the left and right

rear covers in place (2 screws each), and remove the covers.

(5) Remove the 3 set screws, and remove the wire-

bundle guide plate.

Wire bundle guide plate

Rear left cover

Rear right cover

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

Cord cover B

Set screws

Cord cover A

(6) Remove the 16 set screws, and remove the board

cover D.

(7) Remove the 13 set screws, and remove the board

cover A.

Board cover A

Wire bundle guide plate

Board cover D

REVISED EDITION

DATE

Feb. 2001

3-B-1

PAG E

3-B-1

METHOD

REPLACEMENT

1 OUTLINE

DRIVE SECTION

(8) Remove the various wiring connectors from the

overall control board.

Caution: Be very careful when handling the

ribbon cable connector from the CCD.

Refer to “[4] removing the ribbon cable” and “[5] Installing the ribbon cable”.

(9) Remove the 12 set screws, and remove the overall

control board unit.

[2] Replacing the registration clutch

Caution: Be sure that the power cord has

been unplugged from the outlet.

Caution: Be sure to remove the drum unit

from the main body before carry out the following procedure. If the drum unit is in place at this time, the drum will rotate when you install or remove the drum rotating plate, resulting in possible damage to the cleaning blade.

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

Overall control board unit

(10) Disconnect the connectors from each motor unit.

Remove the 4 set screws, then remove each motor unit.

(11)

Connector

Set screws

a. Procedure

(1) Remove the rear panel and the overall control

board unit.

(2) Remove the set screw, and remove the drum rotating

plate.

Drum rotating plate

Set screw

Connectors

(12) Reinstall in the opposite sequence to removal.

Caution: Be careful to avoid damaging the ribbon

cable connected to the overall control board.

REVISED EDITION

DATE

Feb. 2001

PA GE

3-B-2

METHOD

REPLACEMENT

DRIVE SECTION

(3) Remove the clutch connector.

(4) Remove the E-ring. Pull the registration clutch

toward you and rotate it to remove.

Registration clutch

E-ring

(5) Reinstall in the opposite sequence to removal.

Turn-prevention groove

[3] Replacing the loop clutch

Caution: Be sure that the power cord has

been unplugged from the outlet.

a. Procedure

(1) Remove the rear panel and the overall control

board unit.

(2) Remove the wire bundle from the clamp on the

conveyance drive panel.

(3) Remove the 2 E-rings and 3 set screws, and

remove the conveyance drive panel. (Do not remove the rotation prevention screws on the clutch.

Conveyance drive panel

Set screw

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

Registration clutch

Caution: When installing the registration clutch, be

sure that the clutch's turn-prevention groove is installed correctly.

E-rings

Bearings

(4) Remove the E-ring, then remove the gear and the

connector, remove the gear at the front, and then remove the clutch.

Loop clutch

Gears

E-ring

(5) Reinstall in the opposite sequence to removal.

REVISED EDITION

DATE

May 2000

3-B-3

PAG E

3-B-3

METHOD

REPLACEMENT

DRIVE SECTION

1 OUTLINE

[4]

2 2

Removing the ribbon cable

[5]

Reinstalling the ribbon cable

a. Procedure

(1) Move the lock levers forward to release the lock,

then pull out the ribbon cable.

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

Lock levers

a. Procedure

(1) Move the lock levers forward, then, while ensuring

that the direction of the conductive face of the ribbon cable is correct, push the connector firmly to the rear.

Conductive face

(2) Firmly push both lock levers, and lock the ribbon

cable.

Caution: Be sure to push both lock levers

together.

REVISED EDITION

DATE

Feb. 2001

Lock levers

PAG E

3-B-4

METHOD

ADDITION

READ SECTION

[1] Screws that must not be removed

Caution: The paint-locked screws must not

be removed. Be sure that you do not remove these screws.

Screws that must not be removed

[2] Removing the original glass

Caution: The white color reference plate on

the rear of the original glass must be kept clean. If dirt gets on the board, clean the board using a clean cloth.

a. Procedure

(1) Remove the platen cover or the RADF.

(2) Remove the 5 set screws, and remove the read

right cover.

(3) Loosen the set screw and slide the glass holding

plate toward the outer exterior.

(4) Raise the original glass and slide it off.

Original glass

Set screws

Glass holding plate

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

Read right cover

Set screws

(5) Reinstall in the opposite sequence to removal.

Caution: Be sure that the original glass is pushed

flush left against the glass holding plate when fastening into place.

REVISED EDITION

DATE

Feb. 2001

3-C-1

PAG E

3-C-1

METHOD

REPLACEMENT

READ SECTION

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

[3] Removing and Reinstalling the

CCD unit

Caution: Be sure that the power cord has

been unplugged from the outlet.

Caution: Be sure to perform image adjustment after

installing the CCD unit. (Refer to the “Adjustment” section.)

a. Procedure

(1) Remove the original glass.

(2) Remove the 2 set screws, and remove the photo-

sensor.

(3) Remove the scanner drive board cover while being

careful not to strike the claw.

Claw

Scanner drive board cover

Scanner drive board

(6) Remove the ribbon cable from the CCD unit board.

(7) Remove the 2 set screws, and remove the CCD

unit.

Set screws

(8) Reinstall in the opposite sequence to removal.

Caution: Be careful to avoid damage to the ribbon

cable when removing it. When reinstalling it, be sure that it is securely in place. Be sure to install the optics drive board cover in the direction such that the word “REAR” can be read from the front of the machine.

CCD unit board

Ribbon cable

(4) Remove the 8 set screws, and remove the lens

shield cover.

(5) Remove the 3 set screws, and remove the ribbon

cable cover.

Lens shield cover

Photosensors

Ribbon cable cover

REVISED EDITION

DATE

Feb. 2001

3-C-2

PAG E

3-C-2

METHOD

REPLACEMENT

READ SECTION

[4] Replacing the exposure lamp

Caution: Be sure that the power cord has

been unplugged from the outlet.

Do not touch the exposure lamp's lamp area with bare hands.

Caution: Be sure to clean original glass before

reinstalling it.

a. Procedure

(1) Remove the read right cover and the original glass.

(2) Remove the operation panel, the read left cover,

and the read rear cover.

(3) Remove the 2 set screws, and remove the read

front cover.

(3) Read left cover

(6) Read front cover

(2) Original glass

(4) Read rear cover

(4) Shift the exposure unit to the cutout location at the

center of the main body frame.

(5) Remove the 2 set screws (through the holes in the

frame), and remove the auxiliary reflecting mirror.

Auxiliary reflecting mirrorSet screws

(6) Remove the 1 connector and 2 set screws. Tilt and

remove the exposure lamp.

Set screws

Exposure lamp

Connector

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

(5) Operation panel

* Remove above parts in

order of numbers.

(1) Read right cover

Cutout

Exposure unit

(7) Reinstall in the opposite sequence to removal.

Caution: Be careful when reinstalling the original

glass. To install: push the glass against the left rear of the readout rear exterior, then hold the readout front cover against with glass hold plate.

And further, hold the glass plate, while pressing the cut portion of the read left cover.

REVISED EDITION

DATE

Feb. 2001

3-C-3

PAG E

3-C-3

METHOD

REPLACEMENT

READ SECTION

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

[5] Removing and Reinstalling the

exposure unit

Caution: Be sure that the power cord has

been unplugged from the outlet.

Caution: Be sure to the use optics positioning jig

when reinstalling the exposure unit.

Be sure to clean the original glass before reinstalling it (to prevent degradation of image quality).

a. Removal procedure

(1) Remove the read right cover and the original glass.

(2) Remove the operation panel, read left cover, and

read rear cover.

(3) Remove the 2 set screws, and remove the read

front cover.

(4) Shift the exposure unit to the cutout location at the

center of the main body frame.

(5) The exposure unit is fixed in place by set screws

fastened to the front and rear exposure unit mount fittings (1 screw in each fitting). Remove the 2 screws.

Set screws

Exposure unit

b. Installation procedure

(1) Fit the exposure unit into the main body.

(2) Insert the front exposure unit mount fitting and rear

exposure unit mount fitting into the corresponding slits in the exposure unit.

(3) Shift the V mirror unit to the exit side. Through the

front, insert the two optics positioning jigs so that they are at the installation location for the exposure unit. Pass the jig through the V mirror unit to fasten it in place.

Position the exposure unit by pushing it against the frame on the right side of the unit.

V mirror unit

Optics positioning jigs

Exposure unit

Exposure unit mount fitting (front)

Exposure unit mount fitting (rear)

Exposure unit mount fittings

(6) Tilt and slide the exposure unit to remove it from

the frame.

(7) Disconnect the exposure lamp connector.

(4) Fasten the front and rear exposure unit mount

fittings into place (1 screw in each fitting).

(5) Remove the optics positioning jigs.

(6) Finish installation by reversing the sequence of the

removal procedure.

REVISED EDITION

DATE

May 2000

3-C-4

PAG E

3-C-4

METHOD

REPLACEMENT

READ SECTION

[6] Removing and Reinstalling the

optics drive motor

a. Procedure

(1) Remove the original glass.

(2) Remove the 3 set screws, and remove the optical

motor.

Set screws

Optical motor

Belt

(1)

(2)

(3)

(3) When reinstalling the optics drive motor, tighten the

screws in sequence while gently applying a load (approximately 1 kg) to the arrow direction.

[7] Removing the optics wire

Caution1: There are two types of optics wire in

existence (the old type: with a spring, and the new type: without a spring), so when removing them, reference should be made to the removal method for each type.

Caution2: When removing or reinstalling optics wires,

be sure to the use optics positioning jig.

Be sure to perform image adjustment after replacing or reinstalling the wire. (For details, refer to “Adjustment section”.)

Caution3: When removing optics wires, the screws

shown in the figure below should absolutely not be removed.

Screws that must not be removed

CCD unit

a. Procedure (Old Type: With a spring)

(1) Unfasten and remove all externals from the read unit.

(2) Shift the V mirror unit to the left side. Through the

front, insert the optics positioning jig so that it is at the V mirror attachment location. Pass the jig through the V mirror unit to fasten the it in place.

(3) Remove the exposure unit.

(4) Detach the springs and spring axes from the ends

of the front and rear optics wires (1 spring on each wire), and remove the wires.

(5) Remove the set screws holding the two drive pulley

bearings in place (two screws on each pulley), and remove the bearings.

(6) Remove the front and rear optics wires from the

drive pulleys.

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

REVISED EDITION

DATE

Feb. 2001

3-C-5

Exposure unit

V mirror unit

Bearing

Optics wire (front)

Bearing

Optics wire (rear)

Nut

Drive pulleys

Springs /Spring axis

Nut

Caution: Do not change the position of the paint-

locked nut on the spring shaft.

PAG E

3-C-5

METHOD

REPLACEMENT

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

READ SECTION

a. Procedure (New Type: Without a spring)

(1) Unfasten and remove all externals from the read unit.

(2) Shift the V mirror unit to the left side. Through the

front, insert the optics positioning jig so that it is at the V mirror attachment location. Pass the jig through the V mirror unit to fasten the it in place.

(3) Remove the exposure unit.

(4) Detach the nuts and washers from the ends of the

front and rear optics wires, and remove the wires.

(5) Remove the set screws holding the two drive pulley

bearings in place (two screws on each pulley), and remove the bearings.

(6) Remove the front and rear optics wires from the

drive pulleys.

Exposure unit

V mirror unit

Bearing

Optics wire (front)

Bearing

Optics wire (rear)

Drive pulleys

Nut

[8] Installing the optics wire

Caution 1: When winding wire around pulleys, be

sure that the winds are close. Be careful to avoid overlap.

Caution 2: When changing the wire, be sure to

use the optics positioning jigs.

Caution 3: Be sure to perform image adjustment after

installing the CCD unit. (Refer to the “Adjustment” section.)

a. Procedure (Old Type: With a spring)

(1) Fit the metal ball (midway along each optics wire)

into the mount opening on the drive pulley. Starting from this position, wind 6 times around the outside and 5 times around the inside.

• After winding the wires, fasten them in place (with tape, etc.) so that they cannot come off.

• Use the “F” exposure unit mount fitting (the fitting with the “F” printed on it) at the front, and use the

“R” fitting at the rear.

• The end with the metal ball at the tip winds around

the inside of the pulley shaft.

• Wind so that the two ends of the wire come off the top of the pulley.

Tape

(Rear)

5 winds

6 winds

6 winds 5 winds

Front

Rear

(Front)

Tape

Drive pulleys

REVISED EDITION

DATE

Feb. 2001

3-C-6

PAG E

3-C-6

METHOD

REPLACEMENT

READ SECTION

(2) On the metal ball side, pass the optics wire so that

it passes under the V mirror unit, through the left side pulley, and through the inside pulley on the V mirror unit. Hook the end of the wire onto the cutout on the frame.

(3) On the round-end side, pass the wire so that it

passes through the right side pulley, passes over the pulley on the outside of the V mirror unit, and passes under the V mirror unit. Fasten the end to the right side frame with the spring.

(4) Fasten the drive pulley bearings into place with the

attachment screws (2 screws each).

(5) Using the optics positioning jigs to install the

exposure unit.

(6) Remove the jigs.

(7) Slide the exposure unit two or three times to make

sure that it works correctly.

Pulley

Metal ball

V mirror unit

a. Procedure (New Type: Without a spring)

(1) Fit the metal ball (midway along each optics wire)

into the mount opening on the drive pulley. Starting from this position, wind 6 times around the outside and 5 times around the inside.

• After winding the wires, fasten them in place (with tape, etc.) so that they cannot come off.

• Use the “F” exposure unit mount fitting (the fitting with the “F” printed on it) at the front, and use the

“R” fitting at the rear.

• The end with the metal ball at the tip winds around

the inside of the pulley shaft.

• Wind so that the two ends of the wire come off the top of the pulley.

(Rear)

6 winds

5 winds

Rear

Tape

1 OUTLINE

2 UNIT EXPLANATION

3 DIS./ASSEMBLY

To metal ball

Pulley

V mirror unit

Optics positioning jigs

To metal ball

Spring shaft Spring

Tape

Drive pulleys

(Front)

6 winds 5 winds

Front

(2) On the metal ball side, pass the optics wire so that

it passes under the V mirror unit, through the left side pulley, and through the inside pulley on the V mirror unit. Hook the end of the wire onto the cutout on the frame.

(3) On the right side, pass the wire so that it passes

through the right side pulley, passes over the pulley on the outside of the V mirror unit, and passes under the V mirror unit. Fasten the end to the right side frame with the spring.

REVISED EDITION

DATE

PAG E

METHOD

3-C-7

Feb. 2001

3-C-7

ADDITION

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