Samsung SCX 5015 Disassembly & Reassembly

Disassembly and Reassembly

4. Disassembly and Reassembly

4-1 General Precautions on Disassembly

When you disassemble and reassemble components, you must use extreme caution.
The close proximity of cables to moving parts makes proper routing a must. If components are removed, any
cables disturbed by the procedure must be restored as close as possible to their original positions. Before
removing any component from the machine, note the cable routing that will be affected.

Whenever servicing the machine, you must perform as follows:

1. Check to verify that documents are not stored in memory.

2. Unplug the power cord.

3. Use a flat and clean surface.

4. Replace only with authorized components.

5. Do not force to remove or planten plastic-material components.

6. Make sure all components are in their proper position.

4-2 Rear Cover

1. Remo ve the six screws securing the Rear Cover . 2. Separate the rear cover from the base frame
and Scanner Ass'y.

4-1

Disassembly and Reassembly

4-3 Scanner Ass'y

1. Before you remove the Scanner Ass'y, you

should remove:

- Rear Cover (see page 4-1)

2. Remove the six screws and take out the Shield

Main Upper.Unplug the one connector and CCD
cable.

Shield Main Upper

4. Open the Side Cover assembly first to open the
Front cover. In the other words, close the front
cover first to assembly it.

.

Side Cover Ass’y

2

1

Front Cover

Notice :

You should connector remove the CCD cab le v ertically to
avoid the CCD cable pin damage.

3. Remove the three screws, as shown below.

5. Remove two screws.

4-2

Disassembly and Reassembly

6. Pull up the Scanner Ass'y in the direction of
arrow.

7. Remove the connector from the Platen Ass'y.

9. Remove the three screws securing the Platen
Ass'y.

10. Pull the OPE Ass'y and unplug the one connector.

8. Open the ADF Ass’y in the direction of arrow.
Pull the ADF Ass'y upward and remove it.

11. Remove the five screws securing the Platen Ass'y.

4-3

Disassembly and Reassembly

12. Unlatch the Scan Upper Ass'y securing the
glass and remove it.

Notice :

When foreign material enters into the Scan Assy, it may
cause problems in product performance and deteriorate
scan image. Therefore, you should always dismantle or
assemble it at a clean place.

14. Remove the four screws and Channel Base
Frame.

Channel Base Frame

13. Remove the two scews and pull the Dummy
Upper Ass’y.

Dummy Upper Ass’y

15. Remove the five screws and Dummy Scan­Lower.

Cover Dummy Lower

Cover Scan Lower

4-4

Disassembly and Reassembly

16. Remove the CCD cable.

18. Remove three screws and take out the Motor
Bracket.

17. Pull up the Shaft CCD and tak e out the Scanner
Module.

Shaft CCD

Pully

Scanner Module

Belt

19. Remove the OPE Harness from the Platen
PBA. Remove two screws and take out the
Platen PBA.

Platen PBA

OPE Harness

4-5

Disassembly and Reassembly

4-4 ADF Ass'y

1. Before you remove the ADF Ass'y, you should
remove:

- Rear Cover (see page 4-1)

- Scanner Ass'y (see page 4-2)

2. Remove the five screws from the Platen Cover.

Platen Cover Ass’y

4. Pull the ADF Ass'y upward and remove it.

Platen Cover Ass’y

3. Open the Cover open and pull the Cover Side L
and Cover Side R and unlatch the Side Cover L
by pushing the part hooked the Platen Cover
using a sharp tool.

Side Cover R

Side Cover L

Cover Open

Platen Cover
Ass’y

5. Tack out he Open Cover.

4-6

Disassembly and Reassembly

6. Take out the Pick-up Ass’y.
Remove the four screws and the ADF Upper.

Pick-up Ass’y

ADF Upper

7. Remove three screws and take out the ADF
Motor ass'y.

4-7

Disassembly and Reassembly

4-5 OPE Ass'y

1. Before you remove the OPE Ass'y, you should
remove:

- Rear Cover (see page 4-1)

- Scanner Ass'y (see page 4-2)

2. Remove ten screws securing the OPE PBA and
the LCD Module from the OPE Cover.

4. Remove the key pad from the unit.

3. Remove the contact rubbers from the unit.

4-8

4-6 Side Cover Ass'y

Disassembly and Reassembly

1. Remove the two screws to release the Stop­per(Main Frame side) securing the Side Cover
to the Main Frame.

* MP-Tray

1. Pull the both side of the part to dissemble it.

1

1

2. Completely open the Side Cover Ass’y, and
after pull the part to the arrow direction (to
the top), pull the part to the arrow direction
(inner side).

2

1

2. As the part, make the Tray-Case and the
Tray-Link in rectangular position to dissemble
the Tray-Case from the T ra y Link. The Tr ay Link
locates at an angle of 45˚ from the Side Cover
Ass’y and then remove the Tray Link.

2

3

MP Tray

1

Tray Link

Tray-Case

4-9

Disassembly and Reassembly

* Duplex Ass’y

1. Unite the part and home to the projection
part of the Side Cover assembly, and widen
them from each other to dissemble the Side
Cover Ass’y.

Deplex Ass’y

* Transfer Roller Ass’y

1. Take out the Transfer Roller, as shown below.

4-10

4-7 Fuser Ass'y

Disassembly and Reassembly

1. Before you remove the Fuser Ass'y, you should
be power off and remove:

- Side Cover Ass'y (see page 4-9)

2. Remove the one screw and take out the Cover
Sheet Connector.

3. Unplug the one connector.

6. Remove the two screws and take out the Halo­gen Lamp.

Halogen Lamp

5. Remove the four screws and take out the Ther­mostat.

Thermostat

4. Remo v e the three scre ws and tak e out the Fuser
Ass'y.

7. After remove the two screw and open the Lower
Ass’y froward tack out the Heat Roller Ass’y
from Upper Fuser Ass’y.

Heat Roller

4-11

Disassembly and Reassembly

4-8 Exit Ass'y

1. Before you remove Exit Ass'y, you should
remove:

- Rear Cover (see page 4-1)

- Scanner Ass'y (see page 4-2)

2. Remo v e four scre ws, and then untile the harness
from the Exit Upper. Unplug four connectors and
unlatch the Dummy Base Frame, as shown
below.

3. Pull the exit ass’y and remove it.

4-9 Cover Paper Exit Ass'y

1. Before you remove the Cover Paper Exit Ass'y,
you should remove:

- Rear Cover (see page 4-1)

- Scanner Ass'y (see page4-2)

2. Remove two screws and Cover Paper Exit Ass'y,
as shown below.

Cover Paper Exit Ass’y

4-12

4-10 Drive Ass'y

Disassembly and Reassembly

1. Before you remove the Drive Ass'y, you should
remove:

- Rear Cover (see page 4-1)

- Shield Main Upper (see page 4-2)

2. Unplug the two connectors.

(Main Motor:9pin, Duplex Solenoid : 2pin)

3. Remo ve the one screw and take out the Fan and
Dust Fan.

Fan

Dust Fan

4. Remove the five screws and take out the Drive
Ass'y.

4-13

Disassembly and Reassembly

4-11 SMPS

1. Before you remove the LSU, you should remove:

- Rear Cover (see page 4-1)

- Scanner Ass'y (see page 4-2)

- Cover Paper Exit Ass’y(see page 4-12)

2. Remove three screws and take out the Shield
SMPS Upper.

3. Unplug the all connectors.

4. Remove the SMPS, as shown below.

SMPS

4-14

4-12 LSU (Laser Scaning Unit)

Disassembly and Reassembly

1. Before you remove the LSU , you should remove:

- Rear Cover (see page 4-1)

- Scanner Ass'y (see page 4-2)

- Cover Paper Exit Ass’y (see page 4-12)

2. Unplug the two connectors.

3. Remo ve the three screws and tak e out the LSU.

LSU

4-15

Disassembly and Reassembly

4-13 Cover Exit Rear

1. Before you remove the Cover Exit Rear, you
should remove:

- Rear Cover (see page 4-1)

- Scanner Ass'y (see page 4-2)

- Exit Ass'y (see page 4-12)

- Cover Paper Exit Ass’y(see page 4-12)

- SMPS (see page 4-14)

2. Remove the one screw and take out the Panel
Connect MPF.

3. Remove the one screw and Cover Exit Rear, as
shown below.

Cover Exit Rear

4-16

4-14 Main Frame Ass'y

Disassembly and Reassembly

1. Bef ore you remove the LSU, you should remove:

- Rear Cover (see page 4-1)

- Scanner Ass'y (see page 4-2)

- Side Cover Ass'y (see page 4-9)

- Fuser (see page 4-11)

- Exit Ass'y (see page 4-12)

- Cover Paper Exit Ass’y(see page 4-12)

- SMPS (see page 4-14)

- LSU (see page 4-15)

2. Remove one screw in the Channel Base Frame
from the bellow section of the Base Frame, and
then remove the rest of the five screws to dis­semble the Dummy Base Frame, the Cover
Front and the Cam Jam Remove.

Dummy Base Frame

Cam Jam Remove

4. Unplug the all connectors.

Front Cover

3. Remove the Locker Deve, and then remove the
one screw and the Cover Motor Bracket.

Cover Motor Bracket

5. Remove the seven screws and take out the
Main Frame Ass'y.

Main Frame Ass’y

Lock Deve

4-17

Disassembly and Reassembly

4-15 MP Ass'y

1. Before you remove the MP Ass’y, you should
remove:

- Rear Cover (see page 4-1)

- Shield Main Upper (see page 4-2)

- Side Cover Ass'y (see page 4-9)

2. Unplug the two connectors.

4. remove the three screws.

3. Remove the one screw and take out the Dummy
Cover.

Dummy Cover

5. Release the SMPS fit. Pull the MP Ass'y upward
and remove it.

MP Ass’y

4-18

4-16 Feed Ass'y

Disassembly and Reassembly

1. Before you remove the Feed Ass’y, you should
remove:

- Rear Cover (see page 4-1)

- Scanner Ass'y (see page 4-2)

- Side Cover Ass'y (see page 4-9)

- Exit Ass'y (see page 4-12)

- Cover Paper Exit Ass’y(see page 4-12)

- LSU (see page 4-15)

- Main Frame Ass’y (see page 4-17)

2. Remove the three screws.

Feed Ass’y

3. Pull the Feed Ass'y upward and remove it.

Feed Ass’y

4-19

Disassembly and Reassembly

4-17 Pick Up Ass'y

1. Bef ore y ou remov e the Pic k Up Ass’y, you should
remove:

- Rear Cover (see page 4-1)

- Shield Main Upper (see page 4-2)

- Drive Ass'y (see page 4-13)

2. Unplug the three connectors.

4. Remo ve the f our screws and tak e out the Pick Up
Ass'y, as shown below.

Guide Paper Out

3. Remove the two screws and take out the Cas­sette Rail.

Pick-up Ass’y

Cassette Rail

4-20

4-18 Main PBA

Disassembly and Reassembly

1. Before you remove the Main PBA, you should
remove:

- Rear Cover (see page 4-1)

- Side Cover Ass'y (see page 4-9)

- Cover Paper Exit Ass’y(see page 4-12)

- SMPS (see page 4-14)

2. Remove the two screws and take out the Shield
Main Lower.

Shield Main Lower

3. Remove the five screws and take out the main
PBA from the Shield Main Lower.

Main PBA

4. Remove the one screw and unlatch the LIU PBA
securing the main PBA and remove it.

Main PBA

LIU PBA

(Only SCX-5312F)

4-21