Samsung SCX 8030ND, SCX 8040ND Service Manual

Service Manual

1. Print / Copy speed

• SCX-8030ND : 30 ppm (A4)

• SCX-8040ND : 40 ppm (A4)

2. 800 MHz CPU

3. 250GB HDD

4. 512 MB Memory (Max. 1GB)

The keynote of Product

Digital Laser MFP

SCX-8030ND / 8040ND series

5. 8.9 inch color graphic touch-screen LCD

6. Various option units

• 3K Booklet fi nisher, 1K Standard fi nisher
DCF, HCF, Punch unit , Multi fax etc.

GSPN (Global Service Partner Network)

Area Web Site

Europe,MENA, CIS,
Africa

E.Asia, W.Asia,
China, Japan

N.America,
S.America

https://gspn1.samsungcsportal.com

https://gspn2.samsungcsportal.com

https://gspn3.samsungcsportal.com

ⓒ

Samsung Electronics Co.,Ltd. August. 2010
Printed in Korea.

VERSION NO.

: 0.04

CODE

: 80x0-00000E

chapter 1 Precautions

1.1 Safety Warning …………………………………………………… 1-1

1.2 Caution for safety ………………………………………………… 1-2

1.3 ESD Precautions ………………………………………………… 1-5

chapter 2 Product decription

2.1 Specifi cations …………………………………………………… 2-1

2.2 System confi guration …………………………………………… 2-7

2.3 Sensor location …………………………………………………… 2-16

Contents

2.4 Paper handling section ………………………………………… 2-20

2.4.1 Overview……………………………………………………… 2-20

2.4.2 Components ………………………………………………… 2-23

2.4.3 Functions …………………………………………………… 2-24

2.4.4 Paper tray …………………………………………………… 2-25

2.4.5 Pick up unit …………………………………………………… 2-26

2.4.6 Registration unit …………………………………………… 2-27

2.4.7 MPF unit ……………………………………………………… 2-28

2.5 Image formation ………………………………………………… 2-29

2.5.1 Printing process overview ………………………………… 2-29

2.5.2 Imaging unit ………………………………………………… 2-30

2.6 Fuser unit ………………………………………………………… 2-34

2.6.1 Fuser unit overview ………………………………………… 2-34

2.6.2 Fuser unit components ……………………………………… 2-35

2.6.3 Fuser unit drive ……………………………………………… 2-36

2.6.4 Temperature control ………………………………………… 2-37

2.7 Laser scanning unit ……………………………………………… 2-38

2.7.1 Laser scanning unit overview ……………………………… 2-38

2.7.2 Laser scanning optical path ………………………………… 2-39

2.7.3 Laser synchronizing detectors …………………………… 2-40

2.8 Printer Drive system ……………………………………………… 2-41

Contents

2.8.1 Drive Motors ………………………………………………… 2-41

2.8.2 Main drive unit (OPC, DEVE, MP, REGI, DUPLEX) …… 2-43

2.8.3 Pick-up Drive ………………………………………………… 2-44

2.8.4 Fuser /Exit Drive …………………………………………… 2-45

2.8.5 Toner Duct Drive …………………………………………… 2-46

2.8.6 Drive of Toner Supply ……………………………………… 2-46

2.8.7 WTB leveling drive ………………………………………… 2-46

2.8.8 PR Release drive …………………………………………… 2-47

2.9 Scanner system ………………………………………………… 2-48

2.9.1 Scannner system overview ………………………………… 2-48

2.9.2 Scanning System components …………………………… 2-49

2.10 DADF system …………………………………………………… 2-51

2.10.1 DADF systme overview …………………………………… 2-51

2.10.2 Electric parts layout ………………………………………… 2-52

2.10.3 Description of drive system operations …………………… 2-53

2.11 Printer Electronics confi guration ……………………………… 2-59

2.11.1 Video controller …………………………………………… 2-62

2.11.2 OPE controller …………………………………………… 2-70

2.11.3 Engine controller ………………………………………… 2-74

2.11.4 Scan controller …………………………………………… 2-77

2.11.5 DADF controller …………………………………………… 2-78

2.11.6 Interface part ……………………………………………… 2-79

2.11.7 Connection part …………………………………………… 2-79

2.11.8 SMPS board ……………………………………………… 2-80

2.11.9 HVPS board ……………………………………………… 2-82

2.11.10 Eraser PBA ……………………………………………… 2-83

2.11.11 DC Power PBA …………………………………………… 2-83

2.11.12 Cassette Joint PBA ……………………………………… 2-84

2.11.13 Side Joint PBA …………………………………………… 2-84

2.11.14 Toner Connector PBA …………………………………… 2-85

2.11.15 CRUM PBA ……………………………………………… 2-86

2.11.16 Development Crum Interface PBA ……………………… 2-86

2.11.17 Deve Crum Joint PBA …………………………………… 2-87

2.11.18 Toner Curm Joint PBA …………………………………… 2-87

Contents

2.11.19 Fuser PBA ………………………………………………… 2-87

2.11.20 Waste Sensor PBA ……………………………………… 2-88

2.11.21 LED Panel PBA …………………………………………… 2-88

2.11.22 Scan Joint PBA …………………………………………… 2-89

2.11.23 CCDM PBA ……………………………………………… 2-90

2.11.24 Scan Cover Open Sensor PBA ………………………… 2-91

2.11.25 DADF Length Sensor PBA ……………………………… 2-91

2.11.26 DADF Width Sensor PBA ……………………………… 2-92

2.11.27 DADF Mixed Sensor PBA ……………………………… 2-92

2.11.28 DADF LED Panel PBA …………………………………… 2-93

2.11.29 Exit LED Panel PBA ……………………………………… 2-93

2.12 Heating cables ………………………………………………… 2-94

chapter 3 Replacement procedure

3.1 General Disassembly Procedure Precautions ………………… 3-1

3.2 Cover ……………………………………………………………… 3-2

3.2.1 Front cover …………………………………………………… 3-2

3.2.2 Left cover …………………………………………………… 3-3

3.2.3 Rear cover …………………………………………………… 3-3

3.2.4 Right cover …………………………………………………… 3-4

3.3 OPE unit …………………………………………………………… 3-5

3.4 Scan unit ………………………………………………………… 3-10

3.4.1 Scan glass …………………………………………………… 3-11

3.4.2 Scan main PBA ……………………………………………… 3-12

3.4.3 Lamp ………………………………………………………… 3-13

3.4.4 Original size detection sensor ……………………………… 3-15

3.4.5 Joint PBA …………………………………………………… 3-15

3.4.6 Joint sub PBA ……………………………………………… 3-16

3.4.7 Fan …………………………………………………………… 3-16

3.4.8 Pulley-belt …………………………………………………… 3-17

3.4.9 Scan motor and gear belt ………………………………… 3-18

Contents

3.4.10 Home sensor ……………………………………………… 3-18

3.4.11 Scanner heating cable …………………………………… 3-19

3.4.12 Align set …………………………………………………… 3-23

3.5 Fuser unit ………………………………………………………… 3-24

3.6 Side Unit …………………………………………………………… 3-35

3.6.1 Duplex sensors ……………………………………………… 3-36

3.7.2 Transfer sensors …………………………………………… 3-37

3.7.3 MP unit ……………………………………………………… 3-39

3.7 Electrical components …………………………………………… 3-44

3.7.1 Engine controller …………………………………………… 3-44

3.7.2 Hard Disk Drive (HDD) ……………………………………… 3-45

3.7.3 Video controller ……………………………………………… 3-46

3.7.4 Joint PBA …………………………………………………… 3-47

3.7.5 Toner PBA …………………………………………………… 3-47

3.7.6 Toner motor ………………………………………………… 3-48

3.7.7 DC power PBA ……………………………………………… 3-49

3.7.8 HVPS PBA …………………………………………………… 3-50

3.7.9 Lift motor …………………………………………………… 3-51

3.7.10 SMPS PBA ………………………………………………… 3-52

3.7.11 SMPS FAN ………………………………………………… 3-53

3.7.12 Ozone Filter FAN ………………………………………… 3-55

3.7.13 Side joint PBA ……………………………………………… 3-56

3.7.14 Eraser Lamp ……………………………………………… 3-57

3.7.15 Waste sensor PBA ………………………………………… 3-58

3.7.16 Temperature sensor ……………………………………… 3-58

3.8 Main drive unit …………………………………………………… 3-60

3.8.1 Main drive motor …………………………………………… 3-62

3.8.2 Main drive clutch …………………………………………… 3-62

3.9 Exit drive unit …………………………………………………… 3-63

3.10 Toner Duct drive unit …………………………………………… 3-65

3.11 PR Release drive unit ………………………………………… 3-66

3.12 Pick-up drive unit ………………………………………………… 3-67

3.13 WTB leveling drive unit ………………………………………… 3-68

3.14 LSU (Laser Scanning Unit) …………………………………… 3-71

Contents

3.15 Frame Duct …………………………………………………… 3-74

3.16 DADF Unit ……………………………………………………… 3-75

3.16.1 Width / Length sensor PBA ……………………………… 3-84

3.16.2 DADF Main PBA …………………………………………… 3-85

3.16.3 DADF Motors ……………………………………………… 3-87

3.16.4 DADF cover open sensor ………………………………… 3-90

3.16.5 Pick-Up Guide Sensor PBA ……………………………… 3-91

3.16.6 DADF Solenoid …………………………………………… 3-93

3.17 Exit Unit ………………………………………………………… 3-94

3.18 Regi. Unit ……………………………………………………… 3-96

3.19 Pick-Up Unit …………………………………………………… 3-98

3.20 Cassette Heating Cable ……………………………………… 3-100

chapter 4 Troubleshooting

4.1 Entering/Exiting Diagnostics Mode ……………………………… 4-1

4.2 Serive mode menu tree …………………………………………… 4-2

4.2.1 Information tab ……………………………………………… 4-2

4.2.2 Maintenance counts tab …………………………………… 4-4

4.2.3 Diagnostics tab …………………………………………… 4-5

4.2.4 Service Functions ………………………………………… 4-5

4.3 Information ………………………………………………………… 4-6

4.3.1 General ……………………………………………………… 4-6

4.3.2 Supply status ……………………………………………… 4-6

4.3.3 Software version …………………………………………… 4-8

4.3.4 Service Hours ……………………………………………… 4-8

4.3.5 Fault Log …………………………………………………… 4-8

4.3.5 Print reports ………………………………………………… 4-8

4.4 Maintenance Counts …………………………………………… 4-9

4.4.1 Fault count ………………………………………………… 4-9

4.4.2 Jam count …………………………………………………… 4-10

4.4.3 Part replacement count …………………………………… 4-12

4.5 Diagnotics ………………………………………………………… 4-13

Contents

4.5.1 Engine diagnostics ………………………………………… 4-13

4.5.1.1 NVM Read/Write ……………………………………… 4-13

4.5.1.2 Engine Test Routines ………………………………… 4-13

4.5.2 Fax diagnostics …………………………………………… 4-14

4.5.2.1 Fax NVM Read/Write ………………………………… 4-14

4.5.2.2 Fax Test Routines ……………………………………… 4-15

4.5.3 Scanner diagnostics ……………………………………… 4-17

4.5.3.1 Shading Test ………………………………………… 4-17

4.5.3.2 Scanner/DADF NVM Read/Write …………………… 4-17

4.5.3.3 Scanner/DADF Test Routines ……………………… 4-18

4.5.4 Adjustment ………………………………………………… 4-20

4.5.4.1 Print Adjustment ……………………………………… 4-20

4.5.4.2 Copy Adjustment ……………………………………… 4-22

4.5.4.3 Scan Area Adjustment ………………………………… 4-23

4.5.4.4 DADF Adjustment ……………………………………… 4-25

4.5.4.5 Finisher Adjustment …………………………………… 4-27

4.5.5 ACS ………………………………………………………… 4-30

4.5.6 Color Management ………………………………………… 4-31

4.6 Sevice functions ………………………………………………… 4-32

4.6.1 Main Memory Clear ………………………………………… 4-32

4.6.2 Hard Disk Maintenance …………………………………… 4-32

4.6.3 Debug Log …………………………………………………… 4-32

4.6.4 Port …………………………………………………………… 4-33

4.6.5 Capture Log ………………………………………………… 4-33

4.6.6 Toner Save ………………………………………………… 4-33

4.6.7 Count Setting of Large Page ……………………………… 4-33

4.6.8 System Recovery …………………………………………… 4-33

4.6.9 User Data Management …………………………………… 4-34

4.6.10 TR Control Mode ………………………………………… 4-35

chapter 5 Updating Firmware

5.1 Updating from the Printer Control Panel ……………………… 5-2

5.2 Updating from the Network …………………………………… 5-8

chapter 6 Preventive Maintenance (PM)

6.1 PM Supplies ……………………………………………………… 6-1

6.2. PM Procedures ………………………………………………… 6-5

6.2.1 Toner cartridge ……………………………………………… 6-5

6.2.2 Imaging unit ………………………………………………… 6-7

6.2.3 2nd Transfer roller ………………………………………… 6-11

6.2.4 Fuser Unit …………………………………………………… 6-12

6.2.5 Pick up/ Retard/ Forward roller …………………………… 6-13

6.2.6 Ozone Filter ………………………………………………… 6-13

6.2.7 DADF Rollers (Pick up /ADF/ Retard) …………………… 6-14

6.2.8 MP Pick up / Retard / Forward roller …………………… 6-19

6.2.9 Scanner Fan Filter ………………………………………… 6-21

Contents

6.3. Cleaning the PM parts ………………………………………… 6-22

6.3.1 Cleaning the charge scorotron …………………………… 6-22

6.3.2 Cleaning the pick up roller ………………………………… 6-22

6.3.3 Cleaning the Regi roller …………………………………… 6-23

6.3.4 Cleaning the tray1 feed roller ……………………………… 6-23

6.3.5 Cleaning the tray2 feed roller ……………………………… 6-24

6.3.6 Cleaning the DADF retard rubber pad …………………… 6-25

6.3.7 Cleaning the DADF rollers ………………………………… 6-26

6.3.7 Cleaning the ADF glass …………………………………… 6-27

chapter 7 Troubleshooting

7.1 Procedure of checking the symptoms ………………………… 7-1

7.2 Error code and troubleshooting ………………………………… 7-3

7.2.1 Error code and error message …………………………… 7-3

7.2.2 Error Code Details ………………………………………… 7-11

7.3 Image quality problems and solutions ………………………… 7-101

7.3.1 Vertical Lines ………………………………………………… 7-102

7.3.2 Horizontal Lines ……………………………………………… 7-103

7.3.3 White spot …………………………………………………… 7-104

7.3.4 Black background ………………………………………… 7-105

7.3.5 Blurred image ……………………………………………… 7-106

7.3.6 Uneven pitch and jitter image ……………………………… 7-107

7.3.7 Skewed image ……………………………………………… 7-108

7.3.8 Low image density ………………………………………… 7-109

7.3.9 Blank copy, Black copys …………………………………… 7-110

7.3.10 Uneven density in sub scan direction …………………… 7-112

7.3.11 Uneven density in main scan direction ………………… 7-113

7.3.12 Poor fusing performance ………………………………… 7-114

7.3.13 Stain on the paper back side …………………………… 7-115

7.3.14 DADF skew testing ……………………………………… 7-116

7.4 Other Errors ……………………………………………………… 7-121

chapter 8 System Diagram

Contents

8.1 Engine 1 …………………………………………………………… 8-1

8.2 Engine 2 …………………………………………………………… 8-2

8.3 Main board & OPE ……………………………………………… 8-3

8.4 Scan & DADF …………………………………………………… 8-4

8.5 Bottle joint board & side joint board …………………………… 8-5

8.6 DC control board ………………………………………………… 8-6

8.7 Cassette joint board & Drive joint board ……………………… 8-7

8.8 Heater & Fuse …………………………………………………… 8-8

chapter 9 System Recovery

9.1 Entry Point ………………………………………………………… 9-1

9.2 USB ………………………………………………………………… 9-2

9.3 Network …………………………………………………………… 9-4

9.4 Confi rmation Page ……………………………………………… 9-5

9.5 Error Page ………………………………………………………… 9-6

9.6 Progress Page …………………………………………………… 9-7

9.7 Error List …………………………………………………………… 9-8

9.8 HDD Repair ……………………………………………………… 9-8

9.9 HDD Failure ……………………………………………………… 9-10

Contents

chapter 10

Reference Information

10.1 Tools for troubleshooting ……………………………………… 10-1

10.2 Abbreviations …………………………………………………… 10-4

1. Prec

a

n

o

(2) Use only Samsung replacement parts

t

e

s

f

IEC 825. Cl

n

t

o

-

o

utions

1. Warning and cautio

In order to prevent accidents and to prevent damage t
below carefully before servicing the printer and follow

1.1 Safety Warning

(1) Only to be serviced by appropriately qualified servi

High voltages and lasers inside this product are da

qualified service technician.

.
There are no user serviceable parts inside the prin
additions to the printer as these could cause the pr
fire hazards.

(3) Laser Safety Statement

The Printer is certified in the U.S. to conform to th

Subchapter J for Class 1(1) laser products, and el

orming to the requirements of
laser system and printer are designed so there is n
Class I level during normal operation, user mainte

ass I las

for s afety

the equipment please read the precautions listed

them closely.

ce technician.
ngerous. This printer should only be serviced by a

er. Do not make any unauthorized changes or

inter to malfunction and create an electric shock or

requirements of DHHS 21 CFR, chap ter 1

ewhere, it is certified as a Class I laser product con­er products are not considered to be hazardous. The
ever any human access to laser radiation above a

ance, or prescribed service condition.

Warning >> Never operate or service the printer with
assembly. The reflected beam, although invisible, can
When using this product, these basic safety pre-cauti
electric shock, and personal injury.

he protective cover removed from Laser Scanner
damage your eyes.

ns should always be followed to reduce risk of fire,

Service Manual
SCX-8030/8040 series

1

1

SAMSUNG ELECTRONICS

Version 0.05

a

1.2 Caution for safety

i

o

e

w

w

u

p

e

d

(2)

() y p pp p

o

(5)

a

() p g p

f

c

t

c

r

a

cable immediately, do not reuse or repair the dama

a

m

o

p

i

p

c

d

w

e

h

-

t

y sp

yp

cable. Some chemicals can attack the coating on

1.2.1 Toxic material

1. Prec

utions

This product contains toxic materials that could cause
(1) If the LCD control panel is damaged it is possible f

with the skin should be avoided. Wash any splash
doctor. If the liquid gets into the mouth or is swallo

(2) Please keep Drum cartridge and Toner cartridge a

Drum cartridge and Toner Cartridge may be harmf

1.2.2 Electric shock and fire safety

Failure to follow the following instructions could cause
(1) Use only the correct voltage, failure to do so could

electric shock.

Use only the power cable supplied with the printer.

cable to overheat and potentially cause a fire.

(3) Do not overload the power socket, this could lead t

lead to a fire.

(4) Do not allow water or other liquids to spill into the p

paper clips, pins or other foreign objects to fall into
to an electric shock or fire hazard.

Never touch the plugs on either end of the power c

When servicing the printer remove the power plug

(6) Use caution when inserting or removing the power

firmly and pull. The power connector must be inser
overheating possibly leading to a fire.

(7) Take care of the power cable. Do not allow it to be

damaged. Do not place objects on top of the powe
overheat and cause a fire. Exposed cables could c

the power cable, weakening the cover or exposing

(8) Ensure that the power sockets and plugs are not cr

should be repaired immediately. Take care not to c
the machine.

(9) Use caution during thunder or lightning storms. Sa

from the power source when such weather conditi

ower cord if it is still connected to the wall socket

(10) Avoid damp or dusty areas, install the printer in a

machine near a humidifier or in front of an air con
can lead to overheating and cause a fire or cause

(11) Do not position the printer in direct sunlight. This

possibly leading to the printer failing to work prop

(12) Do not insert any metal objects into the machine t

could make contact with a high voltage conductor

llness if ingested.
r the liquid inside to leak. This liquid is toxic. Contac

s from eyes or skin immediately and contact your

ed see a doctor immediately.

ay from children. The toner powder contained in the

l and if swallowed you should contact a doctor.

recautions

lectric shock or potentially cause a fire.

amage the printer and potentially cause a fire or

Use of an incorrectl

overheating of the cables inside the wall and could

rinter, this can cause electric shock. Do not allow

the printer these could cause a short circuit leading

ble with wet hands, this can cause electric shock.

rom the wall socket.

onnector. When removing the power connector, grip it

ed completely, otherwise a poor contact could cause

ome twisted, bent sharply around corners or wise
cable. If the power cable is damaged it could

use an electric shock. Replace the damaged power
cables causing fire and shock risks.

cked or broken in any way. Any such defects

ut or damage the power cable or plugs when moving

sung recommends that this machine be disconnected

ns are expected. Do not touch the machine or the
n these weather conditions.

lean well ventilated location. Do not position the

itioner. Moisture and dust built up inside the machine

parts to rust.

ill cause the temperature inside the printer to rise
rly and in extreme conditions could lead to a fire.

rough the ventilator fan or other part of the casing, it

inside the machine and cause an electric shock.

ecified cable could cause the

Service Manual
SCX-8030/8040 series

1

2

SAMSUNG ELECTRONICS

Version 0.05

a

1.2.3 Handling Precautions

a

(1) Ensure the printer is installed on a level surface, ca

v

o

u

o

o

u

g

o

t

g

(3) Disconnect printer interface cables and power cabl

u

x

-

The OPC Drum can be irreparably damaged if it e

d

c

o

g

)

C

t

-

supporting its weight. Failure to do so could

p

light

1. Prec

utions

The following instructions are for your own personal s
product.

cause the printer to tip or fall.

(2) The printer contains many rollers, gears and fans.

fingers, hair or clothing in any of these rotating de

(3) Do not place any small metal objects, containers

which if spilled could get into the machine and ca

(4) Do not install the machine in areas with high dust

a humidifier or heater. Damage could be caused t
(5) Do not place candles, burning cigarettes, etc on th
(6) When reinstalling the imaging unit or ITB unit at p

1.2.4 Assembly / Disassembly Preca

Replace parts carefully and always use Samsung par
cable routing before dismantling any part of the machi
Please carry out the following procedures before dism
(1) Check the contents of the machine memory and m

if the main board or network card is replaced.

(2) Ensure that power is disconnected before servicin

(4) Only use approved spare parts. Ensure that part n

temperature rating are correct.

(5) When removing or re-fitting any parts do not use e

plastic.
(6) Take care not to drop any small parts into the mac
(7) Handling of the OPC Drum

Take care not to expose the OPC Drum either to
room lighting. Exposure for as little as 5 minutes
properties and will result in print quality degradati
Remove the OPC Drum and store it in a black ba
working with the Covers (especially the top cover
damage the OPC Drum.

- Take care not to scratch the green surface of OP
If the green surface of the Drum Cartridge is scra
compromised.

fety, to avoid injury and so as not to damage the

of

Take great care to ensure that you do not catch your

ices.

f water, chemicals or other liquids close to the printer

se damage, shock or fire hazard.

r moisture levels, beside on open window or close to
the printer in such areas.

e printer, These could cause a fire.

wer off, perform the OPC-ACR surely.

tions

s. Take care to note the exact location of parts and
ne. Ensure all parts and cables are replaced correctly.
antling the printer or replacing any parts.
ake a note of any user settings. These will be erased

or replacing any electrical parts.

.

mber, product name, voltage, current and

cessive force, especially when fitting screws into

hine.

to

irect sunlight or to fluorescent or incandescent

an damage the surface of the photoconductive

n. Take extra care when servicing the printer.
or other lightproof container. Take care when

open as light is admitted to the OPC area and can

Drum Unit.

ched or touched the print quality will be

.

Service Manual
SCX-8030/8040 series

1-1

3

3

SAMSUNG ELECTRONICS

Version 0.05

1. Prec

a

u

r

o

w

v

quip

qp

e

h

s

o

-

e

utions

1.2.5 Disregarding this warning may

(1) Be careful with high temperature compone nts.

The fuser unit works at a high temperature. Use ca
cool down before disassembly.

(2) Do not put fingers or hair into the rotating parts.

When operating a printer, keep your hands and hai
motor, fan, etc.).

(3) When moving the printer :

- When transporting/installing the equipment, employ f

- Be sure not to hold the movable parts or units (e.g. th
equipment.

- Be sure to use a dedicated outlet with 110V/220V po

- The equipment must be grounded for safety.

- Select a suitable place for installation. Avoid excessi
sunlight.

- Provide proper ventilation since the equipment emits

- The e

-Be sure to fix and plug in the power cable securely aft

-If you are moving the machine a short distance, you s

(e.g : same building through elevator)

- If you are moving the machine a long distance, you

& staple unit, tape and disassemble all trays. (e.g : m

ment must be installed near the socket outl

cause bodily injury

tion when working on the printer. Wait for the fuser to

away form the rotating parts (Paper feeding entrance,

ur people and be sure to hold the lifting handles.

e control panel, DADF) when transporting the

er input.

e heat, high humidity, dust, vibration and direct

a slight amount of ozone.
et and must be accessible.

r the installation so that no one trips over it.
ould separate the finisher.

hould remove toner & imaging unit, lock scan carrier

ved by truck or so)

1

Service Manual
SCX-8030/8040 series

4

SAMSUNG ELECTRONICS

Version 0.05

a

1.3 ESD Precautions

d

integrated circuits, some field effect transistors, and se

h

p

n

o

h

m

d

4. Use only an anti

static solder removal device. Som

y

v

s

g

E

d

n

electricity sufficient to damage an ESD

-

chip components

solder removal devices not classified as anti

v

s

1. Prec

utions

Certain semiconductor devices can be easily damage
commonly called “Electrostatically Sensitive (ES) Dev

The techniques outlined below should be followed to
caused by static electricity.

Caution >>Be sure no power is applied to the chassis

1. Immediately before handling a semiconductor com
off any electrostatic charge on your body by touchi
commercially available wrist strap device, which sh
prior to applying power to the unit under test.

2. After removing an electrical assembly equipped wit
such as aluminum or copper foil, or conductive foa
vicinity of the assembly.

3. Use only a grounded tip soldering iron to solder or

“

”

-

static” can generate electrical charges sufficient to

5. Do not use Freon-propelled chemicals. When spra
damage ESDs.

6. Do not remove a replacement ESD from its protecti
Most replacement ESDs are packaged with all lead
or a comparable conductive material.

by static electricity. Such components are

ices” or ESDs. Examples of typical ESDs are:

“”

.

elp reduce the incidence of component damag e

or circuit, and observe all other safety precautions.

onent or semiconductor-equipped assembly, drain

g a known earth ground. Alternatively, employ a

uld be removed for your personal safety reasons

ESDs, place the assembly on a conductive surface ,
, to prevent electrostatic charge buildup in the

esolder ESDs.

“

-

damage ESDs.

ed, these can generate electrical charges sufficient to

e packaging until immediately before installing it.
shorted together by conductive foam, aluminum foil,

7. Immediately before removing the protective shortin
touch the protective material to the chassis or circui

8. Maintain continuous electrical contact between the
until completely plugged or soldered into the circuit.

9. Minimize bodily motions when handling unpackage
the brushing together of clothing fabric and lifting o

.

material from the leads of a replacement ESD,

t assembly into which the device will be installed.

SD and the assembly into which it will be installed,

replacement ESDs. Normal motions, such as

e’s foot from a carpeted floor, can generate static

Service Manual
SCX-8030/8040 series

1

5

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

0

6

0

)

B

B

m

e

L

W

H

H

-

h

2. Product description

2.1 Specifications

General Specifications

escription

Item SCX-8030ND

Printing Speed (A4) 30 ppm
FCOT < 7 sec
Warm-up Time < 25 sec
Duplex Printing Speed 30 ppm

Scanning Speed (A4) (Color)

Memory 512MB (Max.1GB )
HDD 250GB
CPU SPGPv4 800MHz

Resolution

Gradation 256
Size (W x D x H ) 677.5 x 742.8 x 924 m
Weight Approx. 113Kg (250lb

40 ipm @ 600 dpi
60 ipm @ 300 dpi

• Optical : 600 x 600 d

• Enhanced : Draft 60
Default
Up to 6

SCX-8040ND

40 ppm
< 5.5 sec

40 ppm

pi

x 600 x 1bit

00 x 600 x 2 bit

0 x 600 x 4 bit

m (26.7 x 29.2 x 36.4 inches)

(Including consumables and tray)

Noise (dB)

Power consumption

Power requirement

Power output rating for heating
wire in DCF/HCF

Service Manual
SCX-8030/8040 series

• Ready mode : 37 d

• Printing mode : 54 d

• Copying mode : 57 d

• Average operating

• Ready mode : Less t

• Low Power mode : L

• Power Save mode :

• Power off mode : 0

AC 110-127V , 50/60

Note - See the Rating
(hertz) and type of cur

AC 110-127V , 50/60

Note - See the Rating
and type of current.

The voltage rating of

(A)

(A)

B(A)

ode : Less than 1,100 W
han 250 W

ss than 40 W

ess than 7 W

z or AC 220-240V , 50/60 Hz

label on the machine for the correct voltage, frequency

rent.

z or AC 220-240V , 50/60 Hz

label on the machine for correct voltage, frequency (hertz)

eating wire is the same as the machine’s voltage rating.

2

1

SAMSUNG ELECTRONICS

Version 0.05

D

Printer Specifications

Printing method

laser beam printing

L

400

600

p

5

e

Duplex copy speed

Dupl

2)

0

Zoom range

4

-

t(600x600x2 dpi)

Dupl

2)

2. Product

escription

Item SCX-8030ND

Printing speed Up to 30 ppm (A4), 30 ppm

Duplex printing speed Up to 30 ipm (A4), 30 ipm (
First print out time

(from ready)

Print resolution

Printer language PCL5e, PCL6, PostScript 3,

OS compatibility

Interface

< 9 sec

•Default : Up to 2,

• Max : Up to 9,600 x 600 d

• Windows: 2000 ,XP,2003 ,

• Various Linux OS

• Macintosh: Mac OS X 10.

• High speed USB 2.0

• Ethernet 10/100/1000 Bas

• FDI (optional)

x

Copier specifications

SCX-8040ND

(Letter) Up to 40 ppm (A4), 40 ppm (Letter)

etter) Up to 40 ipm (A4), 40 ipm (Letter)

< 8 sec

dpi effective outpu

i effective output(600x600x2 dpi)
PDF 1.7+, TIFF, PJL
Vista ,2008 ,Win7

~10.6

TX (embedded type)

Item SCX-8030ND

Copy Speed Up to 30 cpm (A4), 30 cpm

Simplex to Duplex (1-1,1-2)

First copy out time < 7 sec

Copy resolution

Service Manual
SCX-8030/8040 series

: Up to 30 ipm in A4 (30 ipm

ex to Duplex (2-1.2-

: Up to 18 ipm in A4 (18 ipm

• Platen : 600 x 600 dpi

• Document feeder: Up to 6

• Platen : 25% to 400%

• Document feeder: 25% to

SCX-8040ND

(Letter) Up to 40 cpm (A4), 40 cpm (Letter)

Simplex to Duplex (1-1,1-2)

in Letter)

in Letter)

0 x 600 dpi

00%

2

2

: Up to 40 ipm in A4 (40 ipm in Letter)

ex to Duplex (2-1.2-

: Up to 24 ipm in A4 (24 ipm in Letter)
< 5.5 sec

SAMSUNG ELECTRONICS

Version 0.05

D

0

t

Scanner specifications

0

8

Internal: 3

n

0

3

Applicable line

Public Sw

M

e

(

• Standar

0

F

n

c

-

bit

Telephone Network (PSTN) or behind PABX

203 x 98 dpi

2. Product

escription

Item SCX-803

Compatibility TWAIN s
Scanning method Color CC

TWAIN standard

Resolution

Network Scan File format PDF, TIF
Effective scanning length Max. 432
Effective scanning width Max. 297

Color bit depth

Mono bit depth

Scan to USB 100, 200,
Scan to Email 100, 200,
Scan to Server 100, 200,

Up to 60
(Up to 4,

External:
1 bit for li

8 bit for g

ND SCX-8040ND

andard (network)

D

x 600 dpi

00 x 4,800 dpi by software enhancement)
300, 400, 600 dpi
300, 400, 600 dpi
300, 400, 600 dpi

F, JPEG

mm (17 inches)

mm (11.7 inches)

24 bit

eart & halftone

ray scale

Fax Specifications

Item SCX-803

Compatibility Super G

Data coding MH/MR/
Modem speed 33.6kbps
Transmission speed Up to 3 s

Maximum document length 432 mm

Resolution

Memory HDD Ba
Auto dialer up to 500

Service Manual
SCX-8030/8040 series

• Fine : 2

• Super

• Ultra Fi

ND SCX-8040ND

MR/JBIG/JPEG

conds/page

17 inches)

:

3 x 196 dpi

ine : 300 x 300 dpi

e : 600 x 600 dpi
kup
numbers

2

3

SAMSUNG ELECTRONICS

Version 0.05

D

Paper Specifications

e

e

o

m

3

4

C

Plain Pap

Th

e

p

h

e

aPre

1

X

0

g

g

a

a

D

a

-

r

Thick Pap

2. Product

escription

Item SCX-8030ND

• Standard : 1,040 (Cassett

Input Paper Capacity

Output Paper Capacity

Paper Size

Paper Type

Paper Weight

• Maximum : 1,040 (Cassett

Note – The SCX-8025ND n

• Standard : 500 (Center Ou

• Maximum : 3,250 (Booklet

• Cassette :

•MP Tray :

• High Capacity Feeder :
assette :

•

• MP Tray :

• High Capacity Feeder :

• Cassette : 60 ~ 163 gsm (

• MP Tray : 60 ~ 216 gsm (1

• High Capacity Feeder : 60

148 x 210 m

98 x 148 mm(

A

er,

Recycled, Lett

Plain Pa
Recycled, Lett
Transparency,

er, T

Pl

SCX-8040ND

1 & 2) + 100 (MP Tray)

1 & 2) + 2,000 (High Capacity Feeder) + 100 (MP Tray)

t supports the Tray(DCF,HCF) and the Finishe

tput Tray)

Finisher) + 125 (Job Separator)

(5.83”x 8.27”) ~ 305 x 457 mm (12”x 18”)

.8”x 5.8”) ~ 305 x 1200 mm (12”47”)

/ Letter

n Paper,

rhead, Cotton, Colored, Archive, CardStock, Label

in Paper, Thick Paper, Bond, Punched, Pre-Printed,
rhead, Cotton, Colored, Archive, CardStock, Label,

Envelope

in Paper, Thin Paper, Thick Paper, Bond, Punched,

-Printed, Recycled, Cotton, Colored, CardStock

6lb Bond ~ 90lb Index)

6lb Bond ~ 90lb Cover)

~ 163 gsm (16lb Bond ~ 90lb Index)

er, Bond, Punched, Pre-Printed,

Original Capacity for DADF 100 sheets

Original Size for DADF

Original Weight for DADF

• Full supported Size : 140

• Auto-detected Size : A3, B

• Simplex : 42 ~ 163 gsm (3

• Duplex : 50 ~ 128 gsm (30

Consumables

Product Model name Life **

Toner Cartridge

Imaging unit MLT-R607K 100K p
Waste Toner Container MLT-W606 300K p

* American 35K Toner can be used for SCX-8030N
** Declared yield value in accordan ce with 6% cover

MLT-K606S 35K pa
MLT-K607S 20K pa

140mm ~ 297 x 432mm (5.5" x 5.5" ~ A3/Ledger)

4, B4 SEF, A4, A4 SEF, B5, B5 SEF, A5, A5 SEF

lb Book ~ 90lb Index)

lb Book ~ 34lb Bond)

SCX-8030ND SCX-8040ND

es X* O
es O O
ges O O
ges O O

ge.

Service Manual
SCX-8030/8040 series

2

4

SAMSUNG ELECTRONICS

Version 0.05

D

m

Option Unit

0

5

5

c

u

a

V

H

V

H

V

a

a

V

a

a

-

2. Product

escription

Option Unit Model name Re

Stand CLX-DSK10T/SEE

Dual Cassette
Feeder

HCF

(High Capacity

Feeder)

Job Separator SCX-JST000/SEE 125

Bridge Unit CLX-BRG200/SEE

Standard Finisher CLX-FIN40S/SEE 1,2

Booklet Finisher CLX-FIN40L/SEE 3,2

Punch Kit

Working Table CLX-WKT000/SEE

512MB Memory SCX-MEM300/SEE 512

FDI Kit CLX-KIT10F/SEE Seri

Fax Kit

CLX-PFP000/SEE 520

CLX-HCF102/SEE
CLX-HCF102/XAA

CLX-HPU000/XAA 2-3

CLX-HPU001/SEE 2-4

CLX-FAX150/SEE
CLX-FAX150/XEE
CLX-FAX150/XEG
CLX-FAX150/XEU

2,0

G3,

ark

Sheet Tray x 2

0 Sheets (LTR, A4)

Pages

0 Stacking, Stapling (5 Pos)

0 Stacking, Stapling (5 Pos), Booklet

Holes (NA)

Holes (EU)

MB

al Port

T.37/38, PC Fax SW, Fax Manual Softcopy

CLX-FAX250/SEE

Fax Multiline Kit

SmarThru Workflow Do

CounThru Co

Advanced Scan Kit CLX-KIT10D/SEE Se

Heating wire for
Cassette, HCF,
DCF

Heating wire for
Scan

Service Manual
SCX-8030/8040 series

CLX-FAX250/XEE
CLX-FAX250/XEG
CLX-FAX250/XEU

CLX-DHK11C

CLX-DHK12C

CLX-DHK11S

CLX-DHK12S

G3

ument Distribution Solution

nter/cost Management Solution

rchable PDF, Barcode, etc.

, 10W (equipped by service person at field, voltage rating

110
of

eating Wire is the same as the machine’s voltage rating)

220

, 10W (equipped by service person at field, voltage rating

of

eating Wire is the same as the machine’s voltage rating)

110

, 5W and 10W (equipped by service person at field,

volt

ge rating of Heating Wire is the same as the machine’s

volt

ge rating)

220

, 5W and 10W (equipped by service person at field,

volt

ge rating of Heating Wire is the same as the machine’s

volt

ge rating)

2

5

SAMSUNG ELECTRONICS

Version 0.05

D

Option unit configuration

t

(CLX

D

(CLX

FAX150)

(CLX

FAX250)

F

X

-

(CLX

PFP000)

(CLX

HCF102)

kit

Expansion memory module 512M

1,250-sheet standard finisher

(CLX-FIN40S)

Bridge kit

(CLX-BRG200)

3,250-sheet booklet finisher

(CLX-FIN40L)

2. Product

escription

Job Separator
(SCX-JST000)

Working Table

(CLX-WKT000)

Duplex Automatic Document Feeder

2/3 hole Punch kit

(CLX-HPU000)

2/4 hole Punch kit

(CLX-HPU001)

Fax kit

-

Fax multi-line kit

-

(CL

S

and

-

I

-KIT10F)

Main unit

Optional tray

High capacity feeder

-

-

(SCX-MEM300)

Service Manual
SCX-8030/8040 series

Cassette / Scanner Heating cable
(CLX-DHK11C/12C/11S/12S)

2

6

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

-

2.2 System configuration

Front view 1

escription

1 DADF Cover
2 DADF width guides
3 DADF input tray
4 DADF output tray
5 Standard tray right bottom door
6 DCF right bottom door

7 DCF (tray3, tray4)*
8 Standard tray (tray1, tray2)

9 Front door
10 Front door handle
11 Control panel
12 Center tray

* Optional device

2

Service Manual
SCX-8030/8040 series

7

SAMSUNG ELECTRONICS

Version 0.05

D

Front view 2

1

S

-

5

P

h

2. Product

escription

canner glass

2 White sheet
3 Multi-purpose tray
4 Multi-purpose tray width guide

* Optional device

ower-switc

6 Power receptacle

7 USB port (2 EA)

8 Job separator*

2

Service Manual
SCX-8030/8040 series

8

SAMSUNG ELECTRONICS

Version 0.05

D

Rear view

1

DCF cable

u

-

5

USB host

port

2. Product

escription

2 DADF cable
3 Scanner locking screw
4 USB port (Connection port to comp

6 Finisher connector

7 Network port

ter)

Service Manual
SCX-8030/8040 series

2

9

SAMSUNG ELECTRONICS

Version 0.05

D

Inner view

o

n

1

2. Product

escription

1 Waste toner container
2 Toner cartridge

NOTE

If you want to see the imaging unit, you need t
lever upward. Then remove the waste toner co

3 Imaging unit

4 Locking lever

remove the waste toner container. Lift the locking

tainer.

2-

Service Manual
SCX-8030/8040 series

0

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

V

1

escription

iew with standard finisher (option

al)

1 Standard finisher front door
2 Manual stapler
3 Manual stapler button

4 Finishing tray

Service Manual
SCX-8030/8040 series

5 Top tray

6 Top door

7 Standard finisher Front door

handle

8 Staple

2-

1

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

a

1

escription

View with booklet finisher1 (option

l)

1 Booklet tray
2 Finishing tray
3 Booklet finisher front door
4 Manual stapler

Service Manual
SCX-8030/8040 series

5 Manual stapler button
6 Top tray
7 Top door
8 Booklet finisher front door handle

2-

2

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

a

o

1

escription

View with booklet finisher2 (option

l)

1 Knife wheel
2 Booklet maker handle
3 Fold wheel
4 Booklet jam removal wheel

Note

If you want to open the booklet maker, hold the b

Service Manual
SCX-8030/8040 series

5 Staple
6 Booklet Staple (2 EA)
7 Booklet maker cover

oklet maker handle and pull it out.

2-

3

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

1

r

1

16

escription

Layout

2

3

4

5

6

15

14

13

12

11

7

8

9

1 DADF 7 1sttray
2 Job separator output tray 8 2ndtray
3 Face down output tray 9 Optional

(Stand /

4 Toner cartridges 10 Pick up

10

13 Fuser unit
14 Flatbed scanner

tray

HCF / DCF)

ollers 16 Document input tray

15 Document output tray

5 Laser scanning unit 11 MP tray
6 Imaging units 12 Transfer

Service Manual
SCX-8030/8040 series

roller unit

2-

4

SAMSUNG ELECTRONICS

Version 0.05

D

o

Paper Path

D

1

2. Product

escription

The following diagram displays the path the paper foll

Finisher

path

ws during the printing process.

ADF

path

Simplex

path

Duplex

path

Service Manual
SCX-8030/8040 series

2-

5

SAMSUNG ELECTRONICS

Version 0.05

D

2.3 Sensor location

a

r

b

S1

SENSOR

HUMIDITY

JC32

00

2

0

0

0

0

0

0

0

0

1

0

r

A3

3211 / A3

3212

A

A

JC92

02302A

A

A

A

2. Product

escription

The following diagrams display the printer sensor loc

tions.

Ref. Description

­S2 PBA-WASTE SENSOR RX JC92-0
S3 SWITCH FRONT COVER JC32-0

S4 PHOTO-INTERRUPTER 0604-0
S5 PHOTO-INTERRUPTER 0604-0
S6 PHOTO-INTERRUPTER 0604-0
S7 PHOTO-INTERRUPTER 0604-0
S8 PHOTO-INTERRUPTER 0604-0
S9 SENSOR-PAPER SIZE JC32-0

S10 SENSOR-PAPER SIZE JC32-0
S11 SENSOR-HUMIDITY JC32-0

Service Manual
SCX-8030/8040 series

Pa

Num

t

e

Controller PCB Relative Error Code

­159
012

1393 M1-4111
1393 M1-4111
1393 M1-4211
1393 M1-4211
1393 C7-1311

PBA-ENGINE
SCX-8030ND

:

-

SCX-8040ND

: JC92-02221A

013
013
005

2-12-

6

6

A3-3311 / A3-3312

SAMSUNG ELECTRONICS

­C7-1130

C7-1110
S2-4210

M1-4111
M1-4211

-

Version 0.05

2. Product

D

3

9

7

7

5

8

Ref.Description

r

0

9

1

Controller PCB

Relative Error Code

: JC92

02221A

escription

Ref. Description

S12

PBA-COVER OPEN

SENSOR

Part

Number

JC92-0214

S13 PHOTO-INTERRUPTER 0604-0013
S14 PHOTO-INTERRUPTER 0604-0013
S15 PHOTO-INTERRUPTER 0604-0013

S16 CCD 0605-0011
S17 PHOTO-INTERRUPTER 0604-0013

Controller PCB Relative Error Code

Cover Open Sensor 1,

PBA-SCAN JOINT

2

(JC92-02144A)

3 Home Position Sensor
0
0 SCAN PAPER SIZE

8

PBA-SCAN

(JC92-02170A)

PBA-CCDM

(JC92-02171A)

SCAN PAPER SIZE

S3-3121

1 PBA-ENGINE U1-2115

S20

S21

Service Manual
SCX-8030/8040 series

Charger Clean SNR

Toner SNR

Part

Numbe

JC32-0001

3405-0010

2-12-

S21

S20

PBA-ENGINE

C3-5212

SCX-8030ND

: JC92-02302A

4 C3-5422

SCX-8040ND

-

7

7

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

9

9

9

S34

PHOTO

INTERRUPTER

0604

00139

8

9

1

S43

PBA-ENGINE

M3-1413

M2-1334

escription

S34

S32

S49

S35

S38

S47

S53

S33

S44

S46

S51

S31

S37

S39

S48

S52

S36

S40

S41

S42

S45

S50

Ref. Description

Part

Number

S31 PHOTO-INTERRUPTER 0604-0013

S32 PHOTO-INTERRUPTER 0604-0013

S33 PHOTO-INTERRUPTER 0604-0013

-

-

S35 PHOTO-INTERRUPTER 0604-0013

S36 PHOTO-INTERRUPTER 0604-0013

Service Manual
SCX-8030/8040 series

Controller PCB Relative Error Code

3

M3-2230
M3-1211

3

M3-1213
M3-1214

3 M3-2430

M3-1411

(JC92-02221A)

M3-1414
M2-2411

1

M2-2413
M2-2414

M2-1331

3

2-12-

8

8

M2-1333

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

r

M2-1324

M2-2213

PBA-ENGINE

M1-1113

Ref. Description

Pa

Num

S37 PHOTO-INTERRUPTER 0604-0

escription

rt

be

1393

Controller

PCB

Relative Error Code

M2-2111
M2-2113
M2-2114

S38 PHOTO-INTERRUPTER 0604-0

S39 PHOTO-INTERRUPTER 0604-0
S40 PHOTO-INTERRUPTER 0604-0
S41 PHOTO-INTERRUPTER 0604-0

S42 PHOTO-INTERRUPTER 0604-0

S43 PHOTO-INTERRUPTER 0604-0

S44 PHOTO-INTERRUPTER 0604-0
S45 VR-SLIDE 2102-0
S46 PHOTO-INTERRUPTER 0604-0

S47 PHOTO-INTERRUPTER 0604-0

S48 PHOTO-INTERRUPTER 0604-0

1393

M2-1325

M2-1321
1393 Curl Sensor 1
1393 Curl Sensor 2
1393 MP Long Size

1393

M2-2215

M2-2216

M2-1213
1381

M2-1214

M2-1211
1399 OHP Sensor
1020 MP Size Sensor

(JC92-02221A)

1393 M1-1610

M1-1113
1381

M2-1124

M2-1125

M2-1121
1393

M1-5112

S49 PHOTO-INTERRUPTER 0604-0
S50 PHOTO-INTERRUPTER 0604-0

S51 PHOTO-INTERRUPTER 0604-0

S52 PHOTO-INTERRUPTER 0604-0
S53 PHOTO-INTERRUPTER 0604-0

Service Manual
SCX-8030/8040 series

1393 M1-4111
1393 S2-4A10

M1-1213
1381

M2-1134

M2-1135

M2-1131
1393

M1-1213

M1-5212
1393 M1-4211

2-12-

9

9

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

r

a

sensor, Tray Paper Stock sensor, MP Feed sensor, Tr

s

2

Feed sensor, Registration sensor, and Drive

DUPLEX

2.4 Paper handling section

escription

This section describes how the system picks up pape
transports it to the transfer position. The paper feedin
Forward roller, Retard roller, Transport roller, Registr

system for these components. The Transport motor i

2.4.1 Overview

The following diagrams display the positions of the pa

2NDEXIT

(OPTION)

from the Paper tray or Multi-Purpose (MP) tray and

g system mainly consists of the Pickup roller,

tion roller, MP Paper sensor, Paper Empty

used to drive all of these rollers.

per path rollers.

EXIT

SIDE

MPF

CASSETTE

Service Manual
SCX-8030/8040 series

PICKUP

2-22-

0

0

TAKEAWAY

TR

REGI

SAMSUNG ELECTRONICS

Version 0.05

D

2NDExit tray paper

t

q

qy

MPF solenoid

e

t

2

yp

t

full detection

2NDEXIT (OPTION)

2NDExit tray jam detection

st

Exit tray paper

1
full detection

1stExit tray jam detection

Return path solenoid

Exit

2. Product

Re

escription

Return transport path

detection

urn

Duplex jam detection1

Paper jam detection

Paper regi. time detection

Transparency detection

Tray1 paper remaining

uantity detection

Tray1 paper
empty detection

Paper tray

Tray1 paper
size detection

Fuser

Paper curl detection

OPC

Regi

Tray1 upper limit detection

Tray1 lift
motor

Pick Up

Duplex

Duplex jam detection2

Duplex clutch

MPF

MPF

clutch

MPF media
MPF paper
empty

size detection

(Long media)
detection

MPF media size detection

Tray1 transport detection

Tray2 paper
empty detection

Tray2 paper
size detection

Service Manual
SCX-8030/8040 series

Tray2 lift
motor

Tray2 pap
quantity de

2-22-

r remaining

ection

1

1

Tray2 transport detection

Tray2 upper limit detection

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

t

s

r

T

Detects t

e

i

p

e

s

Tray2 paper remaining quantity

r

e

i

p

e

T

y

o

a

1stExit tray paper full detection

Detect paper full

j

Duplex jam detection 2

Detects duplex jam 2

o

p

s

pp

s

e

2

y

ty

CN12@ C

PBA, 3Pi

y

y

CN7@ BOTTLE Joint

PBA, 3Pin

j

CN4 @ SIDE JOINT PBA, 3Pin

@,

y

escription

Name Func

Tray1 paper size detection Detects tray1 paper
Tray1 paper remaining quantity

detection

ray1 paper empty detection
Tray1 upper limit detection Detects tray1 upper l
Tray1 transport detection Detects tray1 paper
Tray1 Lift Motor Lifting knock up plat
Tray2 paper size detection Detects tray1 paper

detection
Tray2 paper empty detection Detects tray2 paper
Tray2 upper limit detection Detects tray2 upper l
Tray2 transport detection Detects tray2 paper

Tray2 Lift Motor Lifting knock up plat
Paper regi. time detection Detects paper regi.
Transparency detection Detects transparenc

Detects tray1 paper

Detects tray2 paper

ray1 paper

ion Connector & pin information

ize (installation) CN16@ Cassette Joint PBA, 4Pin

emaining quantit

mp

mit CN12@ Cassette Joint PBA, 3Pin

ass CN12@ Cassette Joint PBA, 3Pin

ize (installation) CN16@ Cassette Joint PBA, 4Pin

emaining quantit

mpt

mit CN13@ Cassette Joint PBA, 3Pin

ass CN13@ Cassette Joint PBA, 3Pin

ime CN10@ Engine PBA, 3Pin

CN11@ Cassette Joint PBA, 6Pin

assette Joint

CN15@ Cassette Joint PBA, 3Pin

CN11@ Cassette Joint PBA, 6Pin
CN13@ Cassette Joint PBA, 3Pin

CN15@ Cassette Joint PBA, 3Pin

CN10@ Engine PBA, 3Pin

n

Paper curl detection Detects paper positi
Paper jam detection Detects fuser jam

st

1

Exit tray jam detection

2ndExit tray jam detection

2ndExit tray paper full detection

Return transport path detection Detects return(2

Detects 1stexit tray j

Detects 2ndexit tray
Detects paper full

nd

ex

Return path solenoid Change paper path

Duplex jam detection 1 Detects duplex jam 1
Duplex clutch Duplex driving contr
MPF solenoid MPF pick up roller u
MPF clutch MPF driving control
MPF media size detection Detects MPF paper
MP media size detection

(Long media)

Detects MPF paper

MPF Paper empty detection Detects MPF paper

n CN3@ SIDE JOINT PBA, 6Pin

CN5 @ SIDE JOINT PBA, 3Pin

m CN7@ BOTTLE Joint PBA, 3Pin

am CN29 @ Engine PBA, 3Pin

CN29 @ Engine, 3Pin

it tray) paper pass CN7@ BOTTLE Joint PBA, 3Pin

CN7@ Engine PBA, 2Pin

CN5 @ SIDE JOINT PBA, 3Pin
l CN6 @ SIDE JOINT PBA, 2Pin
/down CN2 @ SIDE JOINT PBA, 2Pin

CN2 @ SIDE JOINT PBA, 2Pin
ize CN7 @ SIDE JOINT PBA, 3Pin

ize CN7 @ SIDE JOINT PBA, 3Pin

mpt

CN2 @ SIDE JOINT PBA, 3Pin

Service Manual
SCX-8030/8040 series

2-22-

2

2

SAMSUNG ELECTRONICS

Version 0.05

D

2.4.2 Components

i

2

2

forward rollers

19

13

Tray 4 feed roller

full

2. Product

escription

The following diagrams display the positions of the pr

27

26

23

22

21

nter components

25

24

20

17

16

14

18

15

Tray 1 Paper tray

1

Tray 2 Paper tray

2

Tray 3 Paper tray

3

Tray 4 Paper tray

4

Tray 1 pick up / retard /

5

Tray 2 pick up / retard /

6

forward rollers
Tray 3 pick up / retard /

7

forward rollers
Tray 4 pick up / retard /

8

forward rollers
MP Tray pick up / retard

9

/ forward rollers
Tray 1 feed roller

10

Tray 2 feed roller

11

Tray 3 feed roller

12

Bypass feed roller

14

9

Sensor registration

13

15

Roller registration

16

Roller transfer

17

Sensor paper curl

18

Roller fuser

19

Sensor fuser out

20

Roller exit

21

Roller face down exit

22

Actuator face down bin

23

Sensor duplex return

24

Roller duplex return

25

Roller 2nd exit

26

Actuator 2nd Exit bin full

27

10

5

1

11

6

12

7

3

8

4

Service Manual
SCX-8030/8040 series

2-22-

3

3

SAMSUNG ELECTRONICS

Version 0.05

D

2.4.3 Functions

d

Pickup Roller (paper tray and MP tray)

p

Retard

)

r

h

y)

p(ppy y)

e

a

e

This sensor detects whether paper is set in the bypass

o

a

d

c

Feed Sensor

e

r

r

2

tray

When it is, MP tray always comes

2. Product

escription

This section describes the functions of the paper han

This roller moves up and down and draws out the pap
the feed roller.

Forward Roller (paper tray and MP tray)

This roller is placed against the Retard roller. It trans
transport roller.

roller (paper tray and MP tray

This roller is placed against the feed roller. When two
pickup roller, the load of the torque limiter of the Reta
sheets. As a result, the Retard roller is stopped and t
only one sheet is transported from the pickup roller, th
roller.

Transport Roller (paper tray and MP tra

This roller transports the paper sent from the feed roll

Registration Roller

Paper transported from the transport roller is pushed
edge of the paper. Then, the registration rollers rotat

ling components.

er from the bypass tray or drawer and transports it to

orts the paper from the pickup roller to the

sheets of paper or more are transported from the
d roller is heavier than the frictional force between the

e lower paper does not advance any further. When

e Retard roller rotates following the feed

r to the registration roller.

gainst the registration roller which aligns the leading

to transport the paper to the transfer unit.

MP tray Paper Sensor

before drawer feeding.

Empty Sensor (Tray 1 / Tray 2)

This is a transmissive-type sensor and it detects the a
When there is no paper in the drawer, the actuator bl
determines that there is no paper.

Paper Stock Sensor

This is a transmissive-type sensor which detects the
actuator. When the remaining paper is consumed an
blocks
the light path for the transmissive-type sensor to dete

This sensor detects if the leading edge or trailing edg
detects jamming such as missfeeding.

Registration Sensor

This sensor detects that the leading edge of the pape
trailing edge of the paper has passed the registration

.

vailability of paper in the drawer by using an actuator.

cks the light path of the sensor, and the sensor

mount of remaining paper in the drawer using an

approximately 100 sheets remain, the actuator

t that there is less paper.

of the paper has passed the feed roller. It also

has reached the registration roller and that the
oller.

Service Manual
SCX-8030/8040 series

2-22-

4

4

SAMSUNG ELECTRONICS

Version 0.05

D

2.4.4 Paper tray

e

p, pp

A

m

•

Paper

:

7

e

o

2

2. Product

escription

The paper trays consist of the Main trays, Optional tra
The MP tray is located on the right side of the machin
envelopes, and custom size paper.
Paper size is set using the Size Guides in each tray.
paper size.

ys (DCF,HCF), and one Multi-Purpose (MP) tray.

and allows feeding of specialty media stock,

djust the Front, Rear, and End Guides to match the

Specification

• Structure : Paper tray Type, Auto Paper Size

• Capacity : 520 Sheets ( 80g/㎡ standard Xerox Pre

-. Plain paper : A5, A4, A3, B5, B4, Letter, 11"×1

-. Special Paper : 12"×18", Label (Label : 50 she

• Weight : plain paper 60 ~ 163 g/㎡

• Plate knock up Lift type : Lift Motor + Up Limit Sens

Service Manual
SCX-8030/8040 series

inum)

"(Ledger), Statement, Legal
ts)

r

2-

5

SAMSUNG ELECTRONICS

Version 0.05

D

2.4.5 Pick up unit

w

o

roller serve to make sure that a single sheet of paper i

c

2

s moved to the paper path, and the paper is moved

2. Product

escription

When pickup takes place, the pickup roller moves do
The pickup roller moves down when the pickup solen

as far as the registration roller by the work of the verti
pickup roller:

Actuator-Empty Sensor

n to come into contact with the surface of the paper.
id is activated. The forward roller and the separation

al path roller. The following is a diagram of the

Forward Roller

Retard Roller

Pick Up Roller

Service Manual
SCX-8030/8040 series

2-

6

SAMSUNG ELECTRONICS

Version 0.05

D

t

l

2.4.6 Registration unit

roller in order to match paper and an image on the dru

R

G

Specification

m

m

m

Margin

C

2

the predetermined registration point

2. Product

escription

The registration roller is driven by the registratio n mul
between the registration roller and the registration mu

ROLLER-

JAM REMOVAL

LEVER

RE

i motor. The registration clutch (CL6) is located
ti motor, and it controls ON/OFF of the registration

at

.

SHAFT-REGI

EGI

I SENSOR

•Skewin Simplex

-. Top Skew : 2.0mm/241.3mm ( Option : 2.5m

-. Side Skew : 1.5mm/180.5mm ( Option : 2.0m

• Skew in Duplex

-. Top Skew : 3.0mm/241.3mm ( Option : 3.5m

-. Side Skew : 2.3mm/180.5mm ( Option : 2.5

• Dog Ear, Trees, Nicks, Wrinkling

-. Plain Paper : 1/5,000

-. Special Media : 1/1,000

•

-. Top Margin : 4.23 ± 2 mm ( Tray3, 4, HCF :

-. Left / Right Margin : 3 ± 2 mm ( Tray3, 4, H

-. Duplex Top Margin : 4.23 ± 2.5 mm ( Tray3

-. Duplex Side Margin : 3 ± 2.5 mm ( Tray3, 4

/241.3mm )

m/180.5mm )

/241.3mm )

m/180.5mm )

4.23 ± 2.5 mm )

F : 3 ± 2.5 mm )
, 4, HCF : 4.23 ± 3.0 mm )
, HCF : 3 ± 3.0 mm )

Service Manual
SCX-8030/8040 series

2-22-

7

7

SAMSUNG ELECTRONICS

Version 0.05

D

2.4.7 MPF unit

P

C

Wh

[A]

n

2

MPF Clutch

The following is a diagram of the MFP unit:

MPF Pick up roller

2. Product

escription

Empty sensor

MPF
Tray

Specification

• Tray capacity : 100 sheets( 80g/㎡ standard Xerox

• Media Size : Max 12”×18” (305×457㎜) / Min 3.87

• Media weight : Plain paper 60 ~ 216 g/㎡

• Feeding speed : 40 ppm (SCX-8040ND), 30 ppm (S

•Auto size sensing : A6 SEF, Statement SEF, B5 S
LTR(Letter) LEF, A3, A4 LEF

Long paper sensor

reminum )

”×5.82” (98×148㎜)

X-8030ND) in Letter/A4 LEF (Long Edge Feeding)

EF, A4 SEF, A5 LEF, B4 B5(JIS) LEF, 11x17,

Paper Separation

en the by-pass paper detection

sensor detects

the by-pass solenoid [B] drops the pick-up roller [C] o
After that, the pick-up roller moves one

sheet of paper to the feed roller.
This machine uses an FRR (Feed and

Reverse Roller) system for feeding paper.
There is friction between the feed roller [E]

and Retard roller [D]. This friction separates
the top sheet of paper from the stack.

Service Manual
SCX-8030/8040 series

paper and the machine gets a by-pass printing job,

to the top of the paper stack on the by-pass tray.

2-

8

SAMSUNG ELECTRONICS

Version 0.05

D

2.5 Image creation

v

e

s

Drum unit and Development unit. The Drum unit has a

m

b

a

n

m

e

r

u

v

g

2

g

gy

OPC drum, a scorotron (which charges the OPC)

v

g

g

2. Product

escription

This section describes the image creation process us

2.5.1 Printing process ov er

This mono printing system includes the LSU with a la

d by the printer.

iew

er beams, a imaging unit and transfer unit.
This machine uses single Imaging unit and dual laser
a light-guide ( which transfers the LED’s light in the
The OPC drum[A] is charged with a nega tive voltage

LSU (Laser Scanning unit)[B]. The light produced by
surface of the OPC drum. The negatively charged to
electric filed. The toners(real image) on the OPC dru
applied to the transfer roller[c].

1. Charging the OPC drum: The scorotron gives th

2. Laser exposure: Light produced by a laser diode i
mirrors .

3. Development: This machine uses a dual-compon e
negatively charged toner to the latent image on the dr

4. Transfer: The transfer rollers opposite the OPC dr
media (e.g. paper, OHP film, etc).

5. Cleaning for OPC drum: The cleaning blade remo
transfer to the paper.

6. Quenchin
lamps at the end of every job.

for OPC drum: Quenching is done by

beams for mono printing. The Imaging unit consists of

achine) and cleaning blade.

y the scorotron and is exposed by the light from the

laser creates a latent image by discha rgin g on the

ers are attracted to the latent image due to and

are moved to the transfer media by the positive bias

drum negative charges.

radiates the charged OPC through the lens and

nt development system . The magnetic roller carries

m surface.

ums transfer toner from the drums to the transfer

es remaining toners on the drum surface after image

illuminatin

the whole area of the drum with the LED

,

Service Manual
SCX-8030/8040 series

2-22-

9

9

SAMSUNG ELECTRONICS

Version 0.05

D

2.5.2 Imaging unit

e

e

d

n

e diameter of the dru

ab

e d a ete o t e d u s 30 (c cu e e ce ab

o

r

u

Scorotron

3

2. Product

escription

2.5.2.1 Imaging unit ov ervi

The imaging unit consists of OPC drum unit and the d
drum, a scorotron which charges the OPC, a light-gui
and cleaning blade. The development unit has a mag
and a TC (Toner Concentration) sensor.

Th
The developing gap between a drum and the corresp

they assembled as one Imaging unit in the factory.
The cleaning blade removes remaining toner on the d
The CRUM chip in the image unit stores the data abo

m is 30 mm (circumference:

Light guide

w

velopment unit. The OPC drum unit has an OPC
e ( which transfers the LEDs light in the machine)
etic roller, two mixing augers, developer, a Dr-blade

94.2 mm).

nding magnetic roller cannot be adjusted becaus e

um surface after image transfer to the transfer belt.

t the Imaging unit.

Cleaning blade

Mixing Auger

OPC Drum

Magnetic Roller

Service Manual
SCX-8030/8040 series

2-32-

0

0

SAMSUNG ELECTRONICS

Version 0.05

D

2.5.2.2 Drum drive

D

3

C

OPC

2. Product

escription

OPC and Mag Roller is driven by a motor. The OPC
coupling.

Drive motor BLDC

Coupling

Drum-K

rum and Mag roller are supplied with power from the

Drive transmission gear

BLDC motor

Service Manual
SCX-8030/8040 series

Gear-Drive OPC

oupling

Coupling Deve

2-32-

1

1

SAMSUNG ELECTRONICS

Version 0.05

D

2.5.2.3 Development

y

the magnetic roller [A] by the two mixing augers [B] an

A

o

3

attracted onto the surface of the OPC drum. The

2. Product

escription

This machine uses a dual-component development s
drum unit and development unit). A new unit contains

diameter of the magnetic roller is 18mm.

n imaging unit has a TC (Toner concentration) sens
for controlling the operating range of toner density. Th
some information about the imaging unit is stored.

[A] Magnetic Roller

stem and has an imaging unit (which includes the

345g of toner. The developer in the unit is supplied to

is

r[C]. The TC sensor [C] in the imaging unit is used

e imaging unit is equipped with a CRUM in which

[C] TC
Sensor

[B]
Mixing
Auger

[B] Mixing Auger

Service Manual
SCX-8030/8040 series

2-32-

2

2

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

a

a

h

e

3

escription

Two mixing augers [A] circulate the developers (which
backward to agitate the developer in order to mix the c

This occurs at the following times:

• During TC calibration

• During development.
Filters [B] on the top of the development unit ensure th

During the operating , this prevents contamination of t

[B] Filt

are mixtures of carriers and toners) forward and

rriers and toners well.

t the internal pressure does not become too high.

e imaging unit by the toner.

r

[A] Auger

2-32-

3

Service Manual
SCX-8030/8040 series

3

SAMSUNG ELECTRONICS

Version 0.05

D

2.6 Fuser unit

d

A

a

2.6.1 Fuser unit overview

P

ili

f

a

e

e

th

r

t

u

3

Halogen L

htl

2. Product

escription

This section describes the image fusing process use

n instant fusing system is used. This has a faster wa

roller system.

The drum-fuser belt is made of 3 thin layers, so is he

ressure roller is made of soft s

cone rubber, which

The drum-fuser belt contains two fusing lamps (one la

other lamp, side heating lamp, heats the ends in the

NC sensors (non-contact type thermistors), located n

control the temperature of the drum-fuser belt at the c

ermistors and two thermostats, located at the cente

overheating by the heating lamps.

Temperature is normally controlled by turning on and

respectively, corresponding to predetermined target

by the printer.

rm-up time than a conventional fusing and pressure

ted quickly by halogen lamp inside.

attens slig

y, increasing the fusing nip.

mp, center heating lamp, heats the center and the

xial direction).

ar the center and the rear end of the drum-fuser belt,

nter and the ends, respectively. Two NTC

and the side, protect the fusing system from

off the center heating lamp and side heating lamp,
emperatures.

Pressure Roller

Dr

m-Fuser Belt

Thermistor
Center : 0.5mm-1.0mm distance
Side : Contact

Thermostat

NC Sensor

Service Manual
SCX-8030/8040 series

2-

4

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

s

L

c

s

T

r

a

T

e

p

pp

p

e

i

e

h

e

f

3

2.6.2 Fuser unit component

The Fuser unit includes the following components:

escription

1. Center heater lamp (LAMP1) / Side heater lamp (
These halogen lamps heat the drum-fuser belt. The

lamp (LAMP2) are lit alternately to heat the drum-fu
Each heater lamp has its coil in a different location.
the center, those of the side heater lamp (LAMP2) a
the drum-fuser belt so that they will not rotate separ

2. Drum-fuser belt
It receives heat from halogen lamp inside and condu

reduces warming up time and mode changing time.
the surface of the fuser belt is fluorinated. Rigid ass
surface of the fuser belt at nip and is pressed on the

between fuser belt and pressure roller.

ni

3. Pressure roller
The pressure roller is a rubber roller which ensures

fuser belt. It is driven by external driving mechanism

4. NC sensors
NC sensors detect the surface temperature of the ce

the heater lamps.

AMP2)
enter heater lamp (LAMP1) and the side heater

er belt.

he coil of the center heater lamp (LAMP1) is in

e on both sides. The heater lamps are fixed inside of

tely.

cts heat to toner and paper. The thin fuser belt

o prevent the fuser belt from adhering to the toner,

mbly located inside the fuser belt contacts inner

pressure roller by springs in order to ensured proper

roper nip width between the pressure roller and

and drives fuser belt by pressure.

nter and the rear end of the fuser belt which controls

5. Thermistor (Center : 0.5mm-1.0mm distance, Sid
Thermistors, located at the center and rear end(non

overheating.

6. Thermostat
These thermostats cut off the power supply to the h

becomes abnormally hot as a result of problems suc
These thermostats are used to prevent abnormal op
replaced (as well as the other damaged parts in the

Service Manual
SCX-8030/8040 series

: Contact)

mage position), protect the fusing system from

ater lamps by opening the circuit when the fuser belt

as a NC sensor malfunction.

ration. When the thermostat is triggered, it must be

user unit).

2-

5

SAMSUNG ELECTRONICS

Version 0.05

D

2.6.3 Fuser unit drive

e

dri

ith th

[B]

3

2. Product

escription

The fusing/paper exit motor [A] drives the pressure roll

ven by pressure w

e pressure roller

.

Fuser Belt [C]

r [B] through the gear train. The fuser belt [C] is

Exit Motor [A]

Pressure Roller [B]

2-

Service Manual
SCX-8030/8040 series

6

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

detect the standby temperature. Then the CPU raises

e

g

o

o

h

h

e

h

3

the temperature to the

printing temperature

2.6.4 Temperature control

escription

When the main switch turns on, the CPU turns on the

Thermistor2

Thermistor1

NC Sensor2

NC Sensor1

Th

fusing lamp. The lamp stays on until the NC sensors

.

Lamp 1(700W) : Center heating

rmostat 1

Thermostat 2

Overheat Protection

The CPU cuts power to the fusing lamp in the followin

• The fuser belt temperature detected by the NC sens

• The fuser belt temperature detected by the thermist

The following components are used if thermistor over

• Two thermostats for the fuser belt get into line with t

• If one of the thermostat temperatures becomes high

lamp. If the other thermostat temperature becomes
fusing lamp.

Lamp 2(600W) :

Side heating

cases:

rs becomes higher than 198℃.

rs becomes higher than 210℃

eat protection fails.
e common ground line of the fusing lamp.
r than 170°C, it opens and cuts power to the fusing

igher than 170°C, it also opens and cuts power to the

Service Manual
SCX-8030/8040 series

2-

7

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

O

n

1

5

1

3

2

P/Mirror Motor

2.7 Laser Scanning Unit

escription

2.7.1 Laser Scanning Unit

The Laser Scanning Unit (LSU) consisted of 1 polygo
surface of 1 OPC drum. For this process, there are co
optical path. Also, LSU has the cover glass device to
with set, LSU has the LD PBA on front side.

verview

motor and 1 LD unit, forms a latent image on the
llimator lens, cylindrical lens and F-Theta Lens on
protect the LSU from the contamination. For interface

Scan direction

Service Manual
SCX-8030/8040 series

 Information

Part Code : JC97-03700A [LSU]

1 LD PBA

3 F1 Lens
4 F2 Lens

342

2-

8

5 Cover glass

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

a

[A]

t

h

Laser Diode : Dual

Beam

3

Laser Diode : Dual

Beam

escription

2.7.2 Laser Scanning Optic

[B]

The laser beam is emitted directly from a polygon mo
determine the scanning line and image position. This i
The LSU has 2 types depending on printing speed. T

l path

K

[C] [D]

or [A] to OPC [D]. F1 Lens [B] and F2 Lens [C]
s adjusted at the factory.

e difference between the 2 models is shown below.

Mode SCX-8040 (40 ppm)

LD Unit

P/Motor
speed

Process
Speed

H/W
interface

driving IC : for Dual LD
PCB : 40/30 ppm common use

22,677 rpm

192 mm/sec

Harness : 22 Pin

(Interface with set )

SCX-8030 (30 ppm) Remarks

driving IC : for Dual LD
PCB : 40/30 ppm common use

16,299 rpm

138 mm/sec

Harness : 22 Pin

(Interface with set )

Service Manual
SCX-8030/8040 series

2-

9

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

e

P

A

a

4

escription

2.7.3 Laser synchronizing d

The machine has a beam detector sensor board (BD
The BD board detects the point of scanning start.

Main Scan Start Detection

beam is detected by the BD PBA at the scanning st
(Hsync).
The picture below shows the data scanning direction.

[A]

tectors

BA). It is located on the corner (mark “A”)

rt point and creates the horizontal sync signal

2-

Service Manual
SCX-8030/8040 series

0

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

a

2.8.1 Drive Motors

1

7

6

t

4

E-CLT

1

Exit drivi

2.8 Printer Drive system

escription

This section describes the printer drive system parts

The following diagram displays the locations of the pri

2

nd process.

nter drive motors.

8

5

4

3

The following table list the descriptions for the tagged

No. ITEM Type Q

1 Duplex Return HB-STEP 1
2 Fuser/Exit

BLDC 1

9

drive locations.

Duplex return driving -

Fuser/Exit driving -

Function

Related

error

ng -

Service Manual
SCX-8030/8040 series

2-42-

1

1

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

t

1

2

1

1

BLDC

1

3

1

18WTB

PM-STEP

1

2

4

MP / Regi / Duplex driving

-

Waste Tank

leveling

-

escription

No. ITEM Type Q

HB-STEP

3 Pick-Up

E-CLT

4Duct PM-STEP

5

Toner supply

gear box

DC

MP / Regi /

6

Duplex

E-CLT

OPC / DEVE BLDC

7 PR Release PM-STEP

9CST Lift DC

Function

Pick-Up Roll driving -

1st, 2nd Pick up

Toner Duct driving -

Toner transfer in Toner Bottle

driving Duct

MP / Regi / Duplex control -

OPC/DEVE -

PR Release driving -

1st , 2nd CST Lift -

Related

error

-

-

Service Manual
SCX-8030/8040 series

2-42-

2

2

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

D

(MP/REGI/DUP)

R

4

escription

2.8.2 Main drive unit (OPC,

Front View

BLDC

EVE, MP, REGI, DUPLEX)

BLDC

(OPC/Dev)

egi Control Clutch

Rear View

OPC Coupling

Deve (Auger)

Coupling

Duplex Drive Gear

REGI Drive Gear

MP Drive Gear

Service Manual
SCX-8030/8040 series

 Information

Part Code : JC93-00118A [DRIVE MAIN]

2-42-

3

3

SAMSUNG ELECTRONICS

Version 0.05

D

2.8.3 Pick-up Driv e

t

r

cH-

Step

Belt

Pulley Gear

Gear

E-C

4



Information

Pick

up 1 driving

The following is a diagram of the Pick-up drive:

2. Product

Mic
Clu

escription

ro-

ch

Feed

Pick-up

Coupling

Feed

Power Train

Pick-up : Same H-Step moto

Rising 2 tray by e-

Gear

Pick-up

Part Code : JC93-00065A [DRIVE-PICK UP]

is

lutch

-

Feed 1 driving

Service Manual
SCX-8030/8040 series

Gear Gear

Feed 2 driving

2-42-

4

4

Gear E-Clutch Pick-up 2 driving

SAMSUNG ELECTRONICS

Version 0.05

D

2.8.4 Fuser/Exit Drive

e

Micro

Clutch

c

e

4

Part Code : JC93

-

00119A [DRIVE

-

EXIT]

2. Product

escription

The following is a diagram of the drives that power th

-

Fuser, Exit systems:

HB-Step

Duplex Return Drive

BLDC

Exit Drive

Power Train

-Fuser/Exit : BLDC is interlo

-Duplex Return : HB-Step is

1. BLDC FUSER A/B Fuser Roll driving

EXIT RDCN EXIT IDLE A

2. H-Step DUP RDCN

Duplex R

Fuser Drive

 Information

ked.

interlocked.

EXIT IDLE B Clutch-E Exit Roll driving

turn driving

Service Manual
SCX-8030/8040 series

2-42-

5

5

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

u

4

2.8.5 Toner Duct drive

The following is a diagram of the Toner Duct drive:

GEAR DUCT RDCN

Photo Interrupter

escription

PM Step

Power Train PM Step motor : Toner Duct

Step (PM) GEAR DUCT RDCN

Toner D

2.8.6 Drive of Toner Supply

The following photo displays the location of the Toner

 Information

Part Code : JC93-00121A [DRIVE-DUCT]

driving

ct Driving

Supply drive:

Bottle Coupling

 Information

Part Code : JC31-00124A

[MOTOR GEARED-T_SUPPLY]

2-42-

6

Service Manual
SCX-8030/8040 series

6

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

E

T

GEAR WORM WHEEL

R

4

Step (PM)

GEAR WORM WHEEL

GEAR PR

Information

RDCN

GEAR ENCODER

PR Release Driving

2.8.7 WTB leveling drive

GEAR WTB RDCN

WTB Gear

escription

G

AR WTB IDLE A

Worm (PM Step)

 Information

Part Code : JC93-00067A

[DRIVE WTB]

Power Train PM Step motor & Worm : W

Step (PM) Worm GEAR WTB RDCN

2.8.8 PR Release driv e

GEAR PR RDCN

B Leveling driving

GEAR WTB IDLE A

Worm (PM Step)

GEAR ENCODER

WTB Leveling driving



Power Train PM Step motor & Worm : P

Service Manual
SCX-8030/8040 series

Part Code : JC93-00120A

[DRIVE RELEASE]

Release Driving

2-42-

7

7

SAMSUNG ELECTRONICS

Version 0.05

D

2.9 Scanner system

t

2.9.1 S

v

e

e

o

formation

After that, arithmetic operations are perform

i

a

n

4

o

the digital signal, which is then transmitted to

2. Product

escription

This section describes the printer scanner system par

canner System Over

During the scanning process, the surface of a docum
the paper is led through mirrors, a lens, and a slit to a
performed, converting the optical image data into an
changed to a digital signal, which then undergoes vari

.

the data writing processor.
In this printer, a reduction-type CCD for color process

white CCDs is that its devices are arrange d in 3 lines
These lines are composed with 3-line color devices a

1. DADF Glass

3. HR module

2. FR module

s and processes.

ew

nt is exposed to direct light. The light reflected from
CCD where optical-to-electrical conversion is
lectrical (analog) signal. This analog signal is

us corrective processes necessary for image

on

ng is used. How this CCD differs from black and

nd covered with color filters (Red, Green, and Blue).

d a black-and-white device with no filter.

Reflector

Xe-Lamp

7. Auto Paper Sensor

6. Scan Main Board

Service Manual
SCX-8030/8040 series

4. Lens

2-

8

5. CCD Board
Driving Pulley

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

m

t

1. DADF gl

e

e

A

h

t

a

e

•

Mirror

1

4

escription

2.9.2 Scanning System Co

The following shows the construction and purpose of

ass

The DADF glass is used when a docu me n t is read by
placed on this glass. The light from the Xe-lamp shin
The document is transported to the DADF glass by th
then the transported documents are read under the D

Do not use such solvents, as alcohol when cleaning t
to be scratched by Document.

2. FR(Full Rate)-Carriage
FR-Carriage consists of the Xe-lamp (EXP), reflector,

(HB Step Motor) and scans the document located on

Mirror-1

ponents

he scanning system:

the Automatic Document Feeder. The document is

s on the Document through this glass.
Dual Automatic Document Feeder (DADF), and

DF glass by the carriage.

e surface of the DADF glass, as it is coated so as not

mirror-1, etc. It is driven by the scan motor

he glass.

Reflector

•Xe-lamp
This lamp is the light source to expose the origin

•Reflector
This is a plate to efficiently direct the light from th

Document on the glass.

-

This mirror directs the light reflected from the Doc

Xe-Lamp

l document on the glass. (One 26 W xenon lamp)

Xe-lamp to the surface of the

ument to the mirror-2 (described later).

Service Manual
SCX-8030/8040 series

2-

9

SAMSUNG ELECTRONICS

Version 0.05

D

3. HR(Half Rate)-Carriage

e

e

D

a

y

5

2. Product

escription

HR-Carriage mainly consists of the mirror-2, mirror-3,
through the mirrors-2 and -3 to the lens. This carriag
carriage at half the scanning speed of the FR-carriag
carriage).

Mirror-2

Mirro

4. Lens unit
The light reflected from the mirror-3 is led to the CC

in a position.

etc., and it directs the reflected light from the mirror-1

is driven by the same scan motor as that of the FR-

(The scanning distance is also half that of the FR-

r-3

placed at the focal point of the lens which is fixed

5. CCD board
Processes such as signal amplification, signal integr

electrical signal which was converted by the CCD.

6. Scan Main board
This is a board to perform image correction, such as

7. Auto Paper Sensor
The size of an original placed on the glass is instantl

Align-frame.

tion, and A/D conversion are applied on the

shading correction and Image Enhancement.

detected using the Auto Paper Sensor fixed on the

2-

Service Manual
SCX-8030/8040 series

0

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

u

e

o

d

A

r

u

u

R6 Original document tray

Tray for mul

A

e

r

e

n

p

a

A

r

5

tiple page scanning

escription

2.10 Duplex Automatic Doc

This section describes the DADF system parts and pr

2.10.1 D ADF System Ov ervi

The following diagram and table include locations and

R16

R15

R1 R2

R13

R14

R3

R12

R11

R4

R5

R10

ment Feeder(DADF) System

cesses.

w

escriptions of the DADF system.

R6

R7

R8

R9

: Simplex path

: Duplex path

Symbol Part Name Function

R1 Simplex registration roller

R2 Retard roller

R3 Retard roller Prevents m
R4 Pick up roller Picks up an
R5 Duplex reverse gate Roller for d

R7 Exit tray
R8 Duplex reverse tray Tray for rev

R9 Exit roller Sends an o
R10 Exit turn roller Turns a orig
R11 Exit turn gate Changes th
R12 Duplex reverse roller Reverses a
R13 Junction gate Divides the
R14 Feed out roller Ejects a sc

ligns pape

Separates a
path.

rea where

and transfers it to the paper path in simplex mode.

n original from the tray and transfers it to the paper

lti-feeding.
original from the tray.
plex reverse path.

.

the paper exits.

rse in duplex mode

iginal to the exit tray.
inal direction for collate exit after duplex scan.

paper path for collate exit after duplex scan.

original in Duplex Mode after scanning a page.

ath direction into either simplex or duplex.

nned original.
R15 Duplex registration roller
R16 Feed in roller Feeds an or

Service Manual
SCX-8030/8040 series

ligns pape

and transfers it to the paper path in duplex mode.

iginal before scanning.

2-

1

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

r

b

0

0

(Regi)

0

0

0

0

0

2

0

(Exit)

0

2

0

0

5

0

r

U3-3214

U3

3614

2.10.2 Electric parts layout

escription

The following diagram and table include locations and

Ref. Description

S1

PHOTO-INTERRUPTER

(Cover)

Pa

Num

0604-0

descriptions of the electrical components of the DADF.

t

e

1393 PBA-ADF U3-4210

DC controller

PCB

Jam code/error code

S2

S3

S4

S5

S6

S7

S8 PBA-MIXED SENSOR JC92-0

S9

S10

S11 PBA-WIDTH SENSOR JC92-0
S12 PHOTO-INTERRUPTER 0604-0
S13 PHOTO-INTERRUPTER 0604-0

PHOTO-INTERRUPTER

PHOTO-INTERRUPTER

(Pick Up Check)

PHOTO-INTERRUPTER

(Duplex Regi)

PHOTO-INTERRUPTER

(Feed)

PHOTO-INTERRUPTER

(Detect)

PHOTO-INTERRUPTER

(Exit Turn)

PHOTO-INTERRUPTER

PHOTO-INTERRUPTER

(Scan Read)

0604-0

0604-0

0604-0

0604-0

0604-0

0604-0

0604-0

0604-0

1381 PBA-ADF

1393 PBA-ADF U3-4411

1381 PBA-ADF

1393 PBA-ADF

1393 PBA-ADF -

1393 PBA-ADF

166A PBA-ADF -

1393 PBA-ADF

1381 PBA-ADF

167A PBA-ADF ­1393 PBA-ADF ­1393 PBA-ADF -

U3-3211, U3-3213

U3-3411, U3-3413

U3-3414

U3-3111, U3-3113

U3-3114

U3-3711, U3-3713

U3-3714

U3-3611, U3-3613

-

U3-3311, U3-3313,
U3-3314, U3-3511,

U3-3513, U3-3514

S14 PHOTO-INTERRUPTER 0604-0

Service Manual
SCX-8030/8040 series

1393 PBA-ADF U3-4210

2-

2

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

1.Pick

t

d

h

,

o

,p g p

a

e

m

x

5

d

,yg

2.10.3 D ADF Driv e System

The DADF drive system consists of 4 sections.

up motor drive section

escription

This motor picks up an original and transfers it to
original document reaches the registration roller,
moved to the next position on the DADF roller.

2. Regi motor drive section
This motor aligns the leading edge of the original

transports the original to the scan motor so that t
alignment of the original.

3. Feed motor drive section
The scan motor transports the original to the read

conditions

an optimum image can be printed. S

operation.

4. Exit motor drive section

The exit motor transports the original to the exit tr
during duplex mode, it transports the original to th

Pick up

the registration roller. When the leading edge of the

he pick-up motor stops and the original document is

uring both simplex and duplex modes. Then it

e registration motor repeats rotation and stops for

ing area. When this motor rotates in optimum

the scan motor rotates continually during scan

y. When the direction of the original is changed

Regi motor.

otor drive section

Regi motor drive section

E

it motor drive section

Feed motor drive section

2-

Service Manual
SCX-8030/8040 series

3

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

A

p

s

dri

y

v

o

o

a

m

gj ,p

p

e

5

A

y

pp g

escription

2.10.3.1 DADF Original Drive As

The pick-up motor provides the driving power to the D
and pick-up rollers are connected with the belt which

ves the stopper. When it rotates forward, the origin

stopper operates.
The Gear-ADF 20 and pick-up motor are connected b

clutch-spring is wound. When driving the DADF in re
detects a signal, the pick-up motor stops, the stopper
status.

The DADF roller receives the driving power until the o
roller stops, the Regi motor rotates, and the DADF roll

The following steps are performed during the normal

1.When the original is setting up, the detect-sensor is

Then, the pick-up roller moves down and contacts

2. When receiving a “next job” command, the pick-up

the job is completed.

3. When all originals are fed and the tray is empty, th

moves down. The printer enters stand-by status.

embl

DF roller by using a belt and a gear. The DADF

rovides the driving power. The pick-up motor also

al is picked up. When it rotates in reverse, the

a clutch-spring. When picking up forward, the

erse, the clutch-spring loosens. When the lift sensor

peration finishes and the printer enters stand-by

riginal reaches the Regi roller. When the pick-up

er becomes idle.

peration of the DADF Original Drive assembly:

activated and the pick-up motor rotates forward.

n original in the tray.

otor rotates forward and supplies an original until

pick-up motor rotates in reverse and the stopper

Pick up motor

Pick up roller

ADF roller

2-

Service Manual
SCX-8030/8040 series

4

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

w

n

e

t

o

e

i

U

5

y

e

escription

2.10.3.2 DADF Original Registra

The registration (Regi) motor provides the driving po
transports the original by using the idle roller connecti
bearing and oil-less bearing and rotates. The idle roll
registration motor that is interlocked with the registrati
the leading edge of the original is placed in the Nip, th
motor repeats rotation and stopping to align each orig

PULLEY-S2M Z26

ion (Regi) Drive Assembl

er by using a belt attached to the regi roller. It

g to the feed roller. The feed roller is fixed to a ball

r creates feeding force using spring pressure. The

n roller aligns the leading edge of the original. When
motor rotates to align the original. The registration

nal.

Regi motor

PULLEY-S2M Z48/26

PULLEY-S2M Z26

ROLLER-REGI SIM

Service Manual
SCX-8030/8040 series

ROLLER-D

P REGI

2-

5

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

e

v

and rotates as fixed

The idle roller creates feeding fo

v

5

y

rce by spring pressure

The feed motor that is

escription

2.10.3.3 DADF Original Feed Dri

The feed motor provides the driving power by using a
the original by using the idle roller connecting to the f

.
interlocked with the roller-feed transports the original.
operation. As a result, optimum scan quality is achie

PULLEY-S2M Z26

e Assembl

belt attached to the registration roller. It transports

ed roller. The feed roller is fixed by the ball bearing

.

The feed motor rotates continually during scan

ed.

Feed motor

PULLEY-S2M Z48/26

PULLEY-S2M Z26

ROLLER-FEED IN

Service Manual
SCX-8030/8040 series

ROLLER-FEED

2-

IN

6

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

b

r

r

2

T

5

y

ROLLER

EXIT

escription

2.10.3.4 DADF Exit Drive Assem

The exit motor provides driving power to the exit rolle
roller ejects the original. The exit motor drives 3-rolle
rotates. The idle roller creates feeding force by using

PULLEY-S2M Z

PULLEY-S2M Z48/26 EXIT

ROLLER EXIT TURN DUP

l

by using a belt. The idle roller connected to the exit

s using a connecting belt. The fixed feed roller

spring pressure.

Exit motor

6

PULLEY-S2M Z26

PULLEY-S2M Z26

-

ROLLER-EXI

-TURN

Service Manual
SCX-8030/8040 series

2-

7

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

m

o

d

opens to the direction of the exit

-

turn after completing a

p

d

N

5

y

duplex scan

the off position, it opens to the

escription

2.10.3.5 DADF Gate Drive Asse

The gate operates only in duplex mode. In simplex m
The guide-gate junction is connected with the solenoi

direction of the reverse path for 2-side scanning in du
The guide-gate simplex is conn ect e d with the solenoi

opens to the direction of reverse path for 2-side scann
simplex exit section.

Solenoid-R

GUIDE-GATE-SIMPLEX

bl

de, it is off and the solenoid cannot operate.

and has as on and off position. In the on position, it

lex mode.

and has on and off positions. In the on position, it

ing. In the off position, it opens to the direction of the

. In

GUIDE-GATE-JU

Solenoid-F

CTION

Service Manual
SCX-8030/8040 series

2-

8

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

n

Vid

c

DRV

AFE

D25FCFC

o

128MB

32MB

1024x600

The Engine Controller communicates with the Video C

o

o

t

e

5

ow

n

ow

h

nt

through the USB Bus to communicate the

2.11 Hardware configuratio

escription

The SCX-80x0 series Electrical Circuit System con

•

eo Controller

• Engine Controller

• Scan Controller

• DADF Controller

• OPE Controller

• USB HUB Controller

• HVPS

•SMPS

Diagram of the SCX-80x0 Series Electri

Video Controller

USB DEV.

isp1582

USB HUB
Controller

BOOT

FLASH

32MB

MSOK

USB HUB

2514

SO-DIMM

DDR2 512MB

SO-DIMM

DDR2 512MB

SPGPv4

800MHz

USB HUB

2514

HOST

ENG.

Port

I/F

USBUSB DEVICEDEVICE
AUTHENTIFICATION

WLAN

N/W
PHY

N/W
Port

HDD

FDI

MMT

CCDM

DADF

TFT

LCD

KEY
PBA

SCAN
Controller

CIP6

400MHz

DADF
Controller

DDR2
32MB

Jupiter5

OPE
Controller

DDR2

AU1250

700MHz

MOT.

FLASHDDR2

Flash

2MB

FLASH

sists of the following:

al Circuit

Engine Controller

DDR2 32MB

PEX8604

VIDEO

I/F

ON

ON

DR2

FLASH

6MB

4MB

CIP6-400

M

ODEM0

MODEM1

HVPS

FUSER FINISHER

JUPITER5

LPEC3

Mot
Drv

LSU

Developer

FLASH

2MB

Mot
Drv

DCF

( HCF )

ATMEGA88

Mot
Drv

Mot
Drv

FAN

MECHA

(Fro

-sided)

SMPS

Soft P

er Switc

The Engine Controller controls all modules required t
printing status, and interfaces all video synchronizati

Controller. The Video Controller receives print data fr
receives copy data from the Scan Controller. It takes
bitmap data, and then transfers the data to the Engin

The Fax Controller (FCON) is used to control all faxin
Video Controller through the PCIe high speed bus.

Service Manual
SCX-8030/8040 series

print, that is, LSU, HVPS, FAN, Fuser, etc.

n signals to print the video data from the Video

m the host through network or USB Port and it

his information and generates printable video

Controller.

g jobs and transceiving fax data to and from the

2-

9

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

2

c

e

u

r

u

e

y

P

A

n

c

6

gg

escription

The Video Controller adopts the SPGPv4 800Mhz, 51
jobs successfully. The Video Controller also communi
Controller to display some of the system information.

The USB HUB Controller interfaces with the Video Co
such as USB memory sticks and Authentication devic

The OPE Controller displays the status of the system
actions or the Video controller.

The Scan Controller scans images using the Platen o
The DADF Controller controls some mechanisms req

communicates with the Scan Controller to synchroniz
the scanning data to the Video Controller through the

MICOM at the Engine Controller activates each Co
optimized energy-saving algorithm for optimal efficien
side is used to safely shut down the system power. It i

MB Memory and a 250GB HDD to perform these

ates with the OPE Controller through the USB HUB

ntroller, the OPE Controller, and some USB Devices

s such as Common Access Card readers.

sing WSVGA TFT LCD in response to user

the DADF.

ired to scan by feeder continuously and
the scanning timing. The Scan Controller transfers

CIe high speed bus.

troller’s power and turns off power according to an

y. The soft Power Switch in the OPE Controller left-

s controlled by the MICOM.

2-

Service Manual
SCX-8030/8040 series

0

SAMSUNG ELECTRONICS

Version 0.05

D

Circuit Board Locations

6

2. Product

escription

The following diagrams show the locations of the print

Engine
Controller

SMPS

er circuit boards:

Video Controller

DC Power

Paper tray
Joint

Service Manual
SCX-8030/8040 series

Toner Connector

HVPS

2-

1

SAMSUNG ELECTRONICS

Version 0.05

D

2.11.1 Video controller

-

access the HDD, and a PCIe bus to interface between

b

t

T

M

x

X

SPGPv4

M

B

2

1

32MB

ISP1582

t

6

the Main Processor and the other controller chips

5

2. Product

escription

The Video Controller which is used to generate the pri
(SPGPv4). The Controller has adopted the DDR2 SO

(Scan Controller and the FAX Controller), and 2 USB
Port via HUB Controller in the PBA and the OPE Con

SA

SO-DIMM 512MB

SO-DIMM 512

DDR2
32-bit

PCIex

x1

PCIe

PE

Main Processor

B

800MHz

PCIex

x

USB Ch1.

USB Ch0.

US

ntable video data, is comprised of a Main Processor

DIMM as the system memory, a SATA PHY to

locks to interface with the Engine Controller, Host

roller through the HUB Controller PBA.

A II

Switch

8604

HUB

514

HDD

FAX

Controller

(FCON)

CIP6

400MHz

FLASH

4MB

”3.

DDR2

256MB

Primary

Modem

Secondary

Modem

Local Bus

BOOT

FLASH

Service Manual
SCX-8030/8040 series

MSOK

Flash 8MB

2

PROM 512Kbit

E

sCRUM 2Kbit

USB

Device

Engine

I/F

USB HUB

Controller

[ Video Con

USB

HOST Port

OPE

Controller

roller Diagram ]

2-

2

Scanner

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

r

4

6

y

PBA I/F PORT

O

11

POWER CONNECTOR

escription

Video Controller Printed Circuit Boa

6

5

7

8

9

d Assembl

1

2

3

 Connection

1 USB DEVICE PORT
2 USB HOST PORT (Back-

Sided)
3 NETWROK PORT
4 USB HUB CONTROLLER

5 SCAN CONTROLLER I/F

CONNECTOR
6 SPEAKER CONNECTOR
7 CON-JOINT I/F PBA

CONNECTOR
8 MSOK PBA I/F

CONNECTOR
9 ENGINE CONTROLLER

I/F CONNECTOR

1
0

10 HDD I/F CONNECTOR
11 P

WER CONNECTOR

13

12 FDI CONNECTOR
13 SODIMM CONNECTOR

11

12

 Information

SEC-CODE : JC92-02218A
PBA Name : PBA-MAIN

Service Manual
SCX-8030/8040 series

2-

3

SAMSUNG ELECTRONICS

Version 0.05

D

2.11.1.1 SO-DIMM PBA

t

d

followi

y

o

d

6



Inf

2. Product

escription

The SO-DIMM PBA is the system Memory module of
system, some system application programs, and it sto
(scanned images, copy data, fax data and printable vi

ng features:

• 512 MB capacity (expandable to 1 GB)

• 32-bit non ECC DDR2 266MHz speed.

CAUTION

Only this memory module is available on this video co

2.11.1.2 MSOK

he Video Controller. It is used for the operating

res some print data from the USB and Network port

eo data, etc.). The SO-DIMM PBA includes the

ntroller. The general-purpose memory can’t be used.

ormation

SEC-CODE : JC92-02087C
PBA Name : PBA-RAM DIMM

The MSOK PBA is used to store all system informatio
two EEPROMs, and a secured EEPROM. The Flash
each) are used for all system operation information (s
and service information). The secured EEPROM is f
When a Video Controller PBA needs to be exchange
Video Controller PBA to retain the system information

n. It is composed of a Non-Volatile Flash Memory,

Memory (8 MB size) and two EEPROMs (256K-bit

stem parameter, device status, tech information,
r the system security information and is 2K-bit.
, the MSOK PBA should be re-installed to the new

.

 Information

SEC-CODE : JC92-02267A
PBA Name : PBA-MSOK

Service Manual
SCX-8030/8040 series

2-

4

SAMSUNG ELECTRONICS

Version 0.05

D

2.11.1.3 CON JOINT PBA

e

O

6

2. Product

escription

The Con-Joint PBA is used for interfacing between th
Modem cards. The Interface method of PBA is PCI ex

1

Video Main Controller PBA and FCON PBA and

press except FCON and Modem cards.

3 2

 Information

SEC-CODE : JC92-02269A
PBA Name : PBA-FAX JOINT

 Connection

1 FCON PBA I/F CONNECTOR
2 Primary MODEM CARD I/F CONNECTOR
3 Secondary MODEM CARD I/F CONNECT

R

2-

Service Manual
SCX-8030/8040 series

5

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

-

s

a

4 MB Flash M

FC

J

Inf

6

PBA

escription

2.11.1.4 FAX Controller (FCON)

The optional FAX Controller PBA (FCON), which is u
composed of a CPU (CIP6, 400 MHz, PCI interface ),

emory, and Audio control chips. The

the Dual MODEM CARDs also connected to the Con-

Optional

ed to control FAX transmission and receiving, is

PCIe express Bridge chip, 256 MB DDR2 Memory,

is connected to the Con-Joint

oint PBA.

and controls



ormation

SEC-CODE : JC92-02148A
PBA Name : PBA-DUAL FAX CONTROL

Service Manual
SCX-8030/8040 series

2-

6

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

O

0

e

has two connectors, one for the telephone line connec

1

CON JOINT I/F CONNECTOR

6

and the other for an external phone connection

escription

2.11.1.5 Primar y Modem Card -

There are two types of modem cards in the SCX-80x
transfer and receive FAX data through a telephone lin

ptional

series. The Primary Modem Card is used to

. This PBA is controlled by the FCON PBA and

.

 Information

FAX-Kit model name : CLX-FAX150
SEC-CODE : JC92-02141B
PBA Name : PBA-FAX CARD

 Connection

2 TEL LINE I/F CONNECTOR
3 EXTERNAL PHONE I/F CONNECTOR

Service Manual
SCX-8030/8040 series

2-

7

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

d

,

,

d

6

p

py y,

escription

2.11.1.6 Secondary Modem Car

The Secondary Modem card is used for FAX processi
this card is installed
data is processed using this card. The secondary mo
phone connector.

a customer can use another fax l

1

- Optional

ng with FCON as the second FAX number. When
ine. If the

em card has only a Tel line connector, no external

rimary modem card is busy, then fax

2

 Information

FAX-Kit model name : CLX-FAX250
SEC-CODE : JC92-02250A
PBA Name : PBA-SECOND FAX CARD

 Connection

1 CON JOINT I/F CONNECTOR
2 TEL LINE I/F CONNECTOR

2-

Service Manual
SCX-8030/8040 series

8

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

c

e

L

6

escription

2.11.1.7 Foreign Device Interfa

The FDI Module as a Option is used to track machine
some special users. The Module interfaces to the Vid

1

e(FDI) – Optional

usage such as the number of print or copy pages for

o Controller.

 Information

SEC-CODE : JC92-01616A
PBA Name : PBA SUB-FDI

 Connection

1 CONNECTOR TO VIDEO CONTROL

Service Manual
SCX-8030/8040 series

ER

2-

9

SAMSUNG ELECTRONICS

Version 0.05

D

2.11.2 OPE Controller

R

a

h

g

i

t

7

py, pp ,

Engine Controller

2. Product

escription

The Main OPE Controller is composed of an SOC (
128 MB DDR2 memory, 32 MB Flash Memory, and
The Au1250 is used to interface with users through t
some Keys, and some LEDs. A received command
USB interface of the HUB Controller PBA.

Diagram of OPE Controller

FLASH

32MB

MEMORY

128MB

USB Host

for a key b’d

16-bit

DDR2
32-bit

18-bi

OPE Controller

Processor

AU1250

700MHz

MI Alchemy Au1250-700MHz navigation processor),

n 8.9 inch touchscreen LCD (1024 x 600).

e LCD display, which can support the touch screen,
s delivered to the Video Main Controller through the

RGB

2

I

C

LVDS

Touch Screen

Controller

TFT-LCD

8.9”(1024x600)

& Touch Panel

SUB KEY PBA

BUZZER

Service Manual
SCX-8030/8040 series

USB HUB

Controller

Video Controller

2-

0

SAMSUNG ELECTRONICS

Version 0.05

D

OPE Controller PBA

1

KEY PBA I/F CONNECTOR

7

2. Product

escription

 Information

SEC-CODE : JC92-02140A
PBA Name : OPE MAIN

 Connection

2 HUB PBA I/F CONNECTOR
3 LCD I/F CONNECTOR

4 USB HOST PORT FOR KEY BOARD

Service Manual
SCX-8030/8040 series

2-

1

SAMSUNG ELECTRONICS

Version 0.05

D

2.11.2.1 Sub Key PBA

1

INTERFACE CONNECTOR TO OPE M

7

2. Product

escription

 Information

SEC-CODE : JC92-02266A
PBA Name : SUB KEY

 Connection

Service Manual
SCX-8030/8040 series

2-

2

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

R

6



Information

T

O

C

5

USB UPSTREAM PORT TO THE V

7

MAIN PBA

escription

2.11.2.2 USB HUB CONTROLLE

1

2

4

5

PBA

3

SEC-CODE : JC92-02265A
PBA Name : SUB_HUB

 Connection

1 MAIN PWR CONNECTOR FROM
2 OPE MAIN PWR CONNECTOR T
3 USB HOST PORT FOR INTERFA
4 WLAN I/F CONNECTOR

6 CASSETTE Indicating LED

Service Manual
SCX-8030/8040 series

HE ENGINE CONTROLLER
THE OPE MAIN PBA
E EXT.DEVICES

2-

3

SAMSUNG ELECTRONICS

Version 0.05

D

2.11.3 Engine controller

e

LSU, provides high

voltages and PWMs, adjusts temp

c

a

M

D

nJ5

nLPE

R

L

t

Sole

B

B

B

B

7

C

erature in the fusing system, and reads sensor

CST1,2_LVL1,2

CST1,2_LVL1,2

CST1,2_LVL1,2

PWM:48CH

DEV__DC

PWM:48CH

DEV__DC

DEV__DC

2. Product

escription

The Engine Controller is composed of an ARM-based
SDRAM and Serial Flash memories, and other drivers
manages an Electro-photography system, controls th

­signals. The Engine Controller also includes communi
Finisher.

Engine

Controller

SMPS

POWER CONTOL

ATME G A 8 8

DDR2 SDRAM

32MB

Fans

UART

Fl

Engi

Engi

FUSE

B

CPU (J5E), engine control SoCs (LPEC3) DDR2

for mechanical elements. The Engine Controller

Video Data of printing images from Main Board to

ation control units for optional DCF,HCF and

DR BUS

L

OCAL BUS

sh

4

B

e Con.

C3

e CPU

E

/ DEVE
DC

HVPS

Fuser

Control

LSU

BOTTLE

PWM

PAPER BLDC

Step Motors

ADC_0,1

ADC_0,1

JTAG

JTAG

OPC_ENCODER

OPC_ENCODER

POWER_CON

POWER_CON

1~7

1~7

SENSORS

SENSORS

SENSORS

nPAPER_SIZE1,2

nPAPER_SIZE1,2

nPAPER_SIZE1,2
nC_OPEN_FRONT

nC_OPEN_FRONT

nC_OPEN_FRONT

nC_OPEN_SIDE

nC_OPEN_SIDE

nC_OPEN_SIDE
nC_OPEN_FEED

nC_OPEN_FEED

nC_OPEN_FEED

nFUSER_POS1

nFUSER_POS1

nFUSER_POS1

nPAPER_FUSER_IN

nPAPER_FUSER_IN

nPAPER_FUSER_IN
nWASTE_INSTALL

nWASTE_INSTALL

nWASTE_INSTALL

WASTE_COUNT

WASTE_COUNT

WASTE_COUNT
n2ND_EXIT_JAM

n2ND_EXIT_JAM

n2ND_EXIT_JAM

n2ND_EXIT_FULL

n2ND_EXIT_FULL

n2ND_EXIT_FULL

nADF_PAPER_DETECT

nADF_PAPER_DETECT

nADF_PAPER_DETECT

nADF_COVER_OPEN

nADF_COVER_OPEN

nADF_COVER_OPEN

CLUTCH x7

CLUTCH x7

OPC

OPC

PICKUP 1,2

PICKUP 1,2

MP

MP

DUPLEX

DUPLEX

PAPER

PAPER

EXIT

EXIT

BLDCx 3

BLDCx 3

BLDCx 3

FUSER

FUSER

FUSER

DEVE

DEVE

DEVE
MAIN

MAIN

MAIN

DC x 1

DC x 1

DC x 1

CASSETTE 1,2

CASSETTE 1,2

CASSETTE 1,2

STEP x 1

STEP x 1

STEP x 1

FUSER

FUSER

FUSER

nEN_FUSER_RELAY

nEN_FUSER_RELAY

nEN_WASTE_LED

nEN_WASTE_LED

Sensors

I2CEEPROM

I2CEEPROM

MOT.D.

MOT.D.

AN44061A

AN44061A

1003-002123

1003-002123

I2C:2CH

I2C:2CH

JTAG

JTAG

IC-ASIC

IC-ASIC

JC13-00040A

JC13-00040A

[ Engine control

DOWNLOAD

DOWNLOAD

SPI

ADC

ADC
:4CH

:4CH

DAC

DAC

LOCAL

LOCAL

BUS

BUS

I/Os

I/Os

USB2.0

USB2.0

SPI

ATMEGA 88

ATMEGA 88

UART

UART

0903-001505

0903-001505

UART

UART

UART PANEL

UART PANEL

ADD[1:22]

ADD[1:22]

VIDEO

VIDEO

BOARD

BOARD

nREADY

nREADY

SPGPV4

SPGPV4

0904-00XXXX

0904-00XXXX

nPRINT

nPRINT

VIDEO

VIDEO

SIGNAL

SIGNAL

USB2.0

USB2.0

DDR2

DDR2

HYB18TC256:32MB

HYB18TC256:32MB

1105-001839

1105-001839

Flash Memory

Flash Memory
29LV160:2MB

29LV160:2MB

1107-001286

1107-001286

SOLENOID x4

SOLENOID x4

SOLENOID x4

MP

MP

MP

RETURN

RETURN

RETURN

EXIT2

EXIT2

EXIT2

DUPLEX

DUPLEX

DUPLEX

MICOM

MICOM

DEBUG

DEBUG

DAT[0:15]

DAT[0:15]

J5

J5

DOWNLOAD

DOWNLOAD

UART:4CH

UART:4CH

nREADY

nREADY
nPRINT

nPRINT

nPSYNC

nPSYNC

ADD[0:13]

ADD[0:13]
DAT[0:15]

DAT[0:15]

ADD[0:13]

ADD[0:13]
DAT[0:15]

DAT[0:15]

Clu

ch &

ler diagram ]

DEV_CRUM_K

DEV_CRUM_K

HVPS

HVPS

FUSER CTRL

FUSER CTRL

FUSER_ CRUM

FUSER_ CRUM

ADD[1:11]

ADD[1:11]

DAT[0:7]

DAT[0:7]

VDO

VDO

nLSYNC

nLSYNC
VCLK

VCLK

VDI

VDI

LOCAL

LOCAL

US

US

IN_TEMP

IN_TEMP

OUT_TEMP

OUT_TEMP

T/C SENSOR

T/C SENSOR

[K]

[K]

PWM x 1

PWM x 1

TONER_DC

TONER_DC

LSU

LSU

2Beam

2Beam

I2C:CH1

I2C:CH1

LD POWER

LD POWERLD POWER

nHSYNC]

nHSYNC]

DCF/HCF/Finisher

FAN_DETECT_1~7

FAN_DETECT_1~7

nEN_ERASER

nEN_ERASER

MOT.D.

MOT.D.

STK672-432Bx 3

STK672-432Bx 3

1003-00xxxx

1003-00xxxx

MOT.D.

MOT.D.

AN44061A x 3

AN44061A x 3

1003-002123

1003-002123

DCF

DCF

HCF

HCF

FINISHER

FINISHER

SENSORS

SENSORS

SENSORS

nMP_P_EMPTY

nMP_P_EMPTY

nMP_P_EMPTY

nMP_P_SIZE

nMP_P_SIZE

nMP_P_SIZE

nP_REGI1

nP_REGI1

nP_REGI1
nP_EXIT1

nP_EXIT1

nP_EXIT1

nP_DUP_RETURN

nP_DUP_RETURN

nP_DUP_RETURN

nP_JAM_DUP1,2

nP_JAM_DUP1,2

nP_JAM_DUP1,2
nPAPER_LIFT1,2

nPAPER_LIFT1,2

nPAPER_LIFT1,2

TONER_CNT

TONER_CNT

TONER_CNT

nPAPER_OHP

nPAPER_OHP

nPAPER_OHP

nP_FUSER_OUT

nP_FUSER_OUT

nP_FUSER_OUT
n

n

n

nP_EMPTY1,2

nP_EMPTY1,2

nP_EMPTY1,2

nP_FEED1,2

nP_FEED1,2

nP_FEED1,2

nP_JAM_DUP2

nP_JAM_DUP2

nP_JAM_DUP2
nB_FUL_EXIT1

nB_FUL_EXIT1

nB_FUL_EXIT1

LED

LED

LED

CASSETTE1_GRN,RED

CASSETTE1_GRN,RED

CASSETTE1_GRN,RED
CASSETTE2_GRN,RED

CASSETTE2_GRN,RED

CASSETTE2_GRN,RED

PWM x 7

PWM x 7

PWM x 7

FAN PWM 1~7

FAN PWM 1~7

FAN PWM 1~7

PWMs x 11

PWMs x 11

PWMs x 11

AC_Vpp

AC_Vpp

AC_Vpp

AC

AC

AC

ITHV

ITHV

ITHV

MHV_CORONA

MHV_CORONA

MHV_CORONA

MHV_GRID

MHV_GRID

MHV_GRID

THV P,N

THV P,N

THV P,N

FUSER_BIAS

FUSER_BIAS

FUSER_BIAS

SAW

SAW

SAW

TNR_VCON1

TNR_VCON1

TNR_VCON1

SOLENOID x1

SOLENOID x1

RETURN T PATH

RETURN T PATH

STEP x 3

STEP x 3

STEP x 3

PICKUP

PICKUP

PICKUP

REGI ROLL

REGI ROLL

REGI ROLL

MP/DUP

MP/DUP

MP/DUP

STEP x 3

STEP x 3

STEP x 3

DUCT

DUCT

DUCT

DUPLEX

DUPLEX

DUPLEX

WASTE

WASTE

WASTE

UART:CH0

UART:5CH

UART:5CH

CH0:DCF

CH0:DCF
CH1:HCF

CH1:HCF

CH2:FINISH.

CH2:FINISH.

I/Os

I/Os

PWM:24CH

PWM:24CH

I/Os

I/Os

STEP MOT.

STEP MOT.

CONTROL

CONTROL

:6CH

:6CH

UART:CH0

UART:CH1

UART:CH1

UART:CH2

UART:CH2

I2C:3CH

I2C:3CH

DAC:2CH

DAC:2CH

LOCAL

LOCAL

BUS

BUS

LSU

LSU

CONTROL

CONTROL

IC-ASIC

IC-ASIC

LPEC3

LPEC3

JC13-00035A

JC13-00035A

MUX

MUX

ADC

ADC

MUX

MUX

:4CH

:4CH

MUX

MUX

PWM:24CH

PWM:24CH

[ Engine Controller

Service Manual
SCX-8030/8040 series

onnection Diagram]

2-

4

SAMSUNG ELECTRONICS

Version 0.05

D

Engine Controller PBA

24

5

N

7

11

2. Product

escription

24

12

23

21 22

20

19

17

3

45 6

7

8

2

9

10

151618

121314 11

 Information

- SEC-CODE : JC92-02221A (SCX-8040

- PBA Name : PBA-ENGINE

 Connection

1PANEL
2 DEBUG
3 VIDEO I/F
4LSU
5 FINISHER I/F
6 HCF_DCF I/F
7POWER 5V
8 POWER 24V

9 SMPS I/F
10 HVPS
11 PICKUP/LSU FAN
12 CASSETTE JOINT

D) , JC92-02302A (SCX-8030ND)

14 DUCT STEP
15 DEVE&MAIN BLDC
16 EXIT2
17 PAPER REGI/OHP
18 SIDE DRAWER
19 FUSER DRAWER
20 CRUM I/F
21 BOTTLE POWER
22 BOTTLE JOINT FFC
23 SCAN I/F
24 OPE I/F
25 NVRAM

13 WASTE STEP

2-

Service Manual
SCX-8030/8040 series

5

SAMSUNG ELECTRONICS

Version 0.05

D

2.11.3.1 Engine MSOK

m

O

y

SEC

CODE : JC92

02263A

7

2. Product

escription

The Engine MSOK PBA is used to store CRUM infor
Engine Controller PBA is exchanged, the Engine MS
retain the system information.

1

 Information

ation. It is comprised of one EEPROM. When an
K PBA should be re-installed to the new PBA to

-

PBA Name : PBA-MSOK

 Connection

 Connection

1 CONNECTOR TO ENGINE CONTRO

-

LLER

Service Manual
SCX-8030/8040 series

2-

6

SAMSUNG ELECTRONICS

Version 0.05

D

,

2.11.4 Scan Controller

electro

mechanical elements

The Scan PBA manag

o

T

e

i

2

APS SENSOR

7

the Electro

photography system, controls the

2. Product

escription

The Scan PBA includes an ARM-based SOC (CIP6)

­Image Data of scanned images between CCD PBA t
motor CTL & FAN CTL, and reads sensor signals.
with UART. It also includes a communication chann

DDR2

.

4

CIP6

5

DDR2 and Flash memories, and other drivers for

Scan PBA, provides PWMs and control signals for

he Scan PBA also includes control units for DADF

l with the Main PBA, and PCI to PCIe bridge.

3

-

2

1

 Information

SEC-CODE : JC92-02170A
PBA Name : PBA-SCAN

 Connection

1 SCAN JOINT PBA

3 CCDM PBA
4 CCDM PBA
5 LED PANEL PBA

Service Manual
SCX-8030/8040 series

PC
Br

2-

Ie-

dge

7

SAMSUNG ELECTRONICS

Version 0.05

D

l

2.11.5 DADF Controller

automatically. SCX

80x0 has a DADF module as a o



Information

711EXIT/ EXIT TURN SENSOR

and also, the DADF supports up to 60%

7

2. Product

escription

The DADF PBA controls the 4 stepping motors, 2 so
RISC (360MHz core frequency). The DADF PBA su

-

Duplex speed.

1 2 3

DDR2

Jupiter5

11

enoids, and 19 sensors, by using an ARM926 32-bit

pports a maximum of 100 sheets of documents

4 5 6

Motor DRV IC

8

910

SEC-CODE : JC92-02165A
PBA Name : PBA-ADF

 Connection

1 REGI/FEED/DETECT SENSOR
2 SCAN READ SENSOR
3 MIXED SENSOR PBA
4 LENGTH SENSOR PBA
5 PLATEN/EXIT MOTOR
6 REAR SOLENOID
7 PICKUP/REGI MOTOR
8 SCAN JOINT PBA
9 PICKUP CHECK/ COVER OPEN

SENSOR

10 LED PANEL PBA/ FRONT SOLENOID

Service Manual
SCX-8030/8040 series

2-

8

SAMSUNG ELECTRONICS

Version 0.05

D

2.11.6 Interface Part

a

pp

a

M

m

g

r

r

a

7

py

2. Product

escription

The CLX-80x0 series provides clear interface specific
due to the design strategy for common-use and stand
Controller and the Engine Controller uses two pairs of
makes it possible to have a sliding connection to the
Controller use a PCIe interface to achieve high perfor
standard harnesses are used to reduce manufacturin

2.11.7 Connection Part

Controllers require connections to all of the system un
Solenoid, Sensor, and other PBAs. The Engine Cont
electronic signals through signal wires. The signal wi
starting and stopping the motors, operating clutches,

tions of all components and modules in the system,
rdization. The main interface between the Main

drawer type board-to-board connectors, which

ain Controller. The Main Controller and the IP

ance. In the connection of mechanical parts,

costs and to allow convenient maintenance.

its such as the BLDC motor, Stepping Motor, Clutch,
oller contains various types of connectors, to deliver

es provide electronic control signals that are used for

ctivating solenoids, sensing the unit state, etc.

2-

Service Manual
SCX-8030/8040 series

9

SAMSUNG ELECTRONICS

Version 0.05

D

2.11.8 SMPS Board

p

e

a

r

M

4) Output Power: 1500W

P

M

M

s

n

U

M

M

U

8

8

2. Product

escription

The SMPS (Switching Mode Power Supply) Board su
boards through a Main Controller. The voltage provid
input. It has safety protection modes for over current

1

2

3

4

plies electric power to the Main Board and other

d includes +5V, and +24V from a 110V/220V power
nd overload.

5

6
7

 Specification

General Input/Output Voltage

1) AC 110V (90V ~ 135V)

2) AC 220V (180V ~ 270V)

3) Input Current: 13.7A (110V)

6.8A (220V)

DC 5V : 55W
DC 5VS : 30W
DC 24V : 432W

 Info

SEC CO
PBA NA

 Con

1IN
2S
3S
4Fu
5O
6S
7S
8O

mation

110V 220V

DE JC44-00175A JC44-00176A

E SMPS V1 SMPS V2

ection

UT_AC
PS FAN OUT
PS Control Signal1 (from Engine PBA)

er_AC Output

TPUT_24V1/2/3/4/5/6 (to DC POWER PBA)
PS Control Signal2 (from Engine PBA)
PS FAN IN

TPUT_5V1/2/3/4/S1/S2 (to DC POWER PBA)

Service Manual
SCX-8030/8040 series

2-

0

SAMSUNG ELECTRONICS

Version 0.05

D

◆ Input / Output connector

DC Output Connector( CN351

)

D

PIN NAME

PIN ASSIGN

Power

+5V4

5

8

2. Product

escription

AC Input Connector( CN1 )

PIN ASSIGN PIN NO Description

1AC_L

AC Input

2AC_N

Description PIN NAME PIN ASSIGN

Power +24V1 1

24V Ground GND 2

Power +24V2 3

24V Ground +GND 4

Power +24V3 5

24V Ground GND 6

Power +24V4 7

24V Ground GND 8

Power +24V5 9

24V Ground GND 10

Power +24V6 11

24V Ground GND 12

AC Input Connector( CN2 )

PIN ASSIGN PIN NO Description

1 Lamp1 Heat Lamp Center
2 Lamp2 Heat Lamp Side
3 Common Common

SMPS FAN 2(CN3)

Description PIN NAME PIN ASSIGN
FAN Control pwm_fan2 1
FAN Control nDetect_fan2 2
FAN Control GND 3

SMPS FAN 1(CN4)

Description PIN NAME PIN ASSIGN
FAN Control pwm_fan1 1
FAN Control nDetect_fan1 2
FAN Control GND 3

Signal Connector2(CN5)

Description PIN NAME PIN ASSIGN

Fuser Control zero_cross 1

DC Output Connector( CN251 )

escription

Power +5V2 1

5V Ground GND 2

Power +5V3 3

5V Ground GND 4

5V Ground GND 6

Power +5V5 7

5V Ground GND 8

Power +5VS 9

5V Ground GND 10

Power +5VS 11

5VS Ground GND 12

- - 13

Ground gnd 2

Fuser Control on_fuser_relay 3

FAN Control pwm_fan2 4
FAN Control nDetect_fan2 5

Fuser Control fuser_24v 6
Fuser Control lamp2 7
Fuser Control lamp1 8

Temperature smps_temp 9

Ground gnd 10

Signal Connector1(CN6)

Description PIN NAME PIN ASSIGN
FAN Control pwm_fan1 1
FAN Control nDetect_fan1 2

Power Control 24v_on/off 3
Power Control 5vr 4
Power Control 5v_on/off 5

Service Manual
SCX-8030/8040 series

Power Control 24/5v off Relay 6

Ground gnd 7

2-

1

SAMSUNG ELECTRONICS

Version 0.05

D

S

c

2.11.9 HVPS Board

,

0

4

8

t

2. Product

escription

The CLX-80x0 series contains a High Voltage Power
This board generates high-voltage channels which in
DC, Fuser-bias and SAW.

1

2

5

upply(HVPS) board.

ludes Transfer, CORONA, GRID, DEVE AC, DEVE

 Connection

4

1GRID
2 CORONA

3

3DeveAC
4DeveDC
5 HVPS I/F
6 Fuser Bias
7 T2 (Transfer)
8 SAW Plate
9 OZONE FAN

9

 Information

SEC-CODE : JC44-00182A
PBA Name : HVPS MONO

7

6

Output Channel Measuring Point

GRID K 1

CORONA K 2 -7

FUSER BIAS 6

SAW 8

T2+

7

T2-

DEVE DC

10

DEVE AC

Service Manual
SCX-8030/8040 series

8

Output Voltage

-700V(@ADC 230 & 7.4Mohm load)

0uA(@ADC 166 & 7.4Mohm load) *static current

-460V(@ADC 128 & 50Mohm load)

-1000V(@ADC 118 & 25Mohm load)

0uA(@ADC 95 & 70Mohm load) *static curren

-1300V(@80Mohm load) *Enable

-450V(@ADC 141 & no load)
209V(@ADC 128 & 100pF)

2-

2

SAMSUNG ELECTRONICS

Version 0.05

D

a

2.11.10 Eraser PBA

D

V



Information

h

2.11.11 DC P

PBA

1

2

234

8

2. Product

escription

Eraser PBA is comprised of 18 LED components. E
on the surface of the drum after printing.

1- BLACK : GN
2- GRAY : 24

SEC-CODE : JC92-02244A
PBA Name : Eraser

ower

The DC Power PBA distributes DC power to the En
24V of power interlock function for safety (cuts off t
using the power control relay.

ch LED is used for erasing negative charges

gine Controller and Video Controller. It also provides

e unit power when the driving unit is exposed) when

5

3

4

67



Information

SEC-CODE : JC92-02261A
PBA Name : DC POWER



Connection

1 24V to Engine 5 Relay Control

5V to Engine 6 24V INPUT
Micro Switch 7 5V INPUT
5V/24V to Video - -

Service Manual
SCX-8030/8040 series

2-

3

SAMSUNG ELECTRONICS

Version 0.05

2. Product

D

a

o

4

5

o

e

e

e

o

A

O

U

C

8

4

DUPLX CLUTCH

6

Inf

2.11.12 Cassette Joint PBA

escription

This is the interface PBA between the Paper tray unit
provides a connection interface for the clutches, sens

2

1

 Connection

1 CASSETTE JOINT I/F 5 Lift DC M
2 CASSETTE1 6 Paper lab
3 CASSETTE2 and TAKE

AWAY SEN

4 Pickup Clutch -

7 Paper Siz

nd the Engine Controller. The Paper tray Joint PBA

rs, and Paper tray lift DC motors.

3

7

 Information

tor

l sensor

Sensor

-

SEC-CODE : JC92-02157B
PBA Name : CASSETTE JOINT

2.11.13 Side Joint PBA

This is the interface PBA between the side unit and th
connection interface for clutches, sensors, and solen

1

45



onnection

1 SIDE JOINT I/F 5 MP MEDI
2 DUPLEX 2, ID SENSOR 6 MP SENS
3 DUPLEX, FUSER OUT

SENSOR

7 PAPER C

Engine Controller. The Side Joint PBA provides a

id

23

67



ormation

SIZE

R, CLUTCH

RL SENSOR

SEC-CODE : JC92-02233A
PBA Name : SIDE JOINT

Service Manual
SCX-8030/8040 series

-

-

2-

4

SAMSUNG ELECTRONICS

Version 0.05