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SAMSUNG
INKJET PRINTER(MFP)
SCX-1150F
SERVICE Manual
INKJET PRINTER(MFP) CONTENTS
1. Precautions
2. Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. Block Diagram
7. Connection Diagram
Contents
CONTENTS
1. Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
1-1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
1-2 Precautions on Disassembly and Reassembly . . . . . . . . . . . . . . . . . . . . . .1-1
1-3 ESD Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2
2. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2-1 Printer Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2-2 Scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
2-3 Copier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
2-4 Facsimile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
2-5 Ink Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
2-6 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
2-7 Dimension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
2-8 Environmental Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3
3. Disassembly and Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
3-1 General Precautions on Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
3-2 Scanner Ass'y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
3-3 ADF Motor Ass'y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6
3-4 OPE Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-8
3-5 Rear Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9
3-6 SMPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10
3-7 LIU Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10
3-8 Speaker Ass'y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-11
3-9 ASF Feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-12
3-10 Cartridge Ass'y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-12
3-11 Carrier Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-13
3-12 Main PBA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14
3-13 Holder Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-15
3-14 Home Ass'y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-15
3-15 Base Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-16
3-16 Feed Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-17
3-17 Line Feed Bracket Ass'y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-17
4. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
4-1 Setting-up System in User Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
4-2 Tech Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
4-2-1 HOW TO ENTER Tech Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
4-2-2 Setting-up System in Tech Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
System setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
FAX setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
4-2-3 Report/Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
HELP List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
SENT JOURNAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
RECEIVED JOURNAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
PHONEBOOK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
SENDING CONFIRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
SCHEDULE INFORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
SYSTEM DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
SELF TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
Samsung Electronics
Contents
CID LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
JUNK FAX LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
PROTOCOL DUMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
CCD SHADING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
ASF TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
NVRAM DUMP list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
4-2-4 Memory Clear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
ALL MEMORY CLEAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
4-2-4-1 Method to use TECH MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
4-2-4-2 Method to use CANCEL BUTTON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
ADJUST SHADING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
4-2-5 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7
CLEAN CARTRIDGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7
ALIGN CARTRIDGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7
VIEW INK LEVEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7
ADJUST SHADING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
REMOTE TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
4-3 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9
4-3-1 Defective PC Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10
4-3-2 Defective Image quality of PC Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10
4-3-3 Defective Operation (LCD WINDOW ) Display . . . . . . . . . . . . . . . . .4-11
4-3-4 No Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-11
4-3-5 Defective LCD Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-12
4-3-6 Defective Operation of Key Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-12
4-3-7 Paper Jam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-13
4-3-8 Defective Paper Feed (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-13
4-3-9 Defective Paper Feed (2) -Display of NO PAPER . . . . . . . . . . . . . . . . . . . . .4-14
4-3-10 Multi-Feeding (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14
4-3-11 Defective ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-15
4-3-12 Defective Sensing-ink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-15
4-3-13 Defective Motor Drive (LF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-16
4-3-14 Defective Motor Drive (CR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-16
4-3-15 Defective Motor Drive (TX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-17
4-3-16 Blank Page Print Out (When Copying) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-17
4-3-17 Blank Page Print Out (When Receiving) . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-18
4-3-18 Vertical Black Line (When Copying) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-18
4-3-19 Vertical Black Line (When Receiving) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-19
4-3-20 Contaminated Stains on Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-19
4-3-21 Bad printed Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-20
4-3-22 Vertical Lines are printed crookedly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-20
4-3-23 Bad Color (Intensity) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-21
4-3-24 No Dial Tone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-21
4-3-25 Defective MF DIAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-22
4-3-26 Defective FAX FORWARD/RECEIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-22
4-3-27 Defective FAX FORWARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-23
4-3-28 Defective FAX RECEIVE (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-23
4-3-29 Defective FAX RECEIVE (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-24
4-3-30 Defective FAX RECEIVE (3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-24
4-3-31 Defective FAX RECEIVE (4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-25
4-3-32 Defective Automatic Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-25
Samsung Electronics
Contents
4-3-33 The Printer is Not Working (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-26
4-3-34 The Printer is Not Working (2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-26
4-3-35 Abnormal Printing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-27
4-3-36 Spool Error and Release of Spool Error . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-28
5. Exploded Views and Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
5-1 Main Assembly Exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
5-2 Main Cover Assembly Exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-4
5-3 Feeder Unit Exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6
5-4 Engine Ass'y Exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-8
5-5 OPE Unit Exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-10
5-6 Scanner Assembly Exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-12
5-7 ADF Unit Exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-14
5-8 Screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-17
5-9 SMPS Parts Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-17
6. Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
7. Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
Samsung Electronics
1. Precautions
Please read the following carefully to prevent any accidents and not to damage the unit during service.
1-1 Safety Precautions
1. Safety Precautions 3. Replacing Precautions
There are some electric or machinery parts with safety Do not change or add parts as you like. You cannot ben-
related property. If the parts replaced are different from efit from such a remodeled product at your will during the
the original, the safety may not function. Even if the part term of guarantee.
could allow higher voltage than that of the part used, do 4. You must replace overheated or damaged parts or cords
not replace it and use a regular product clarified in spec- with regular products. Please solve the problem causing
ifications. any damage or overheating and troubles beforehand.
2. Be careful not to leave a switch, a cover or a safety device
out when reinstalling or assembling the product after
repair.
Especially mind the safety on the part with this
mark.
You must use regular parts described in specifica-
tions for the parts inflammable and where the cur-
rent can be flown. Otherwise any hazard such as
an electric shock or a fire could occur.
1-2 Precautions on Disassembly and Reassembly
Very careful precautions should be taken when replacing 7. When disassembling, assembling, also observe small
parts. Before replacing, please check cables because you components are located in place.
cannot put the cables that you removed for replacing parts 8. If you uncover and turn the machine over to replace some
into the proper place if you would not make sure of where parts, toner or paper particles may contaminate the LSU
they were connected and in which condition. window. Protect the LSU window with clean paper.
Please do the following before disassembling
for a repair or replacement of parts.
1. Pull out paper cassette, printer cartridge installed. Releasing Plastic Latches
Especially careful not to be scratched by the surface of
developer or not to expose them to light. Many of parts are held in
2. Turn the power switch off. place with plastic latches.
3. Take out the power plug, printer cable from the printer. The latches break easily :
release them carefully.
4. Use only the same type of part as original when replacing To remove such parts, press
parts. the hook end of the latch
5. Do not force to open or fasten plastic material compo- away from the part to which
nents. it is latched.
6. Be careful that small parts such as screws should not get
in the printer.
Samsung Electronics 1-1
Precautions
1-3 ESD Precautions
Certain semiconductor devices can be easily damaged by 4. Use only an "anti-static" solder removal device. Some sol-
static electricity. Such components are commonly called der removal devices not classified as "anti-static" can
"Electrostatically Sensitive (ES) Devices", or ESDs. generate electrical charges sufficient to damage ESDs.
Examples of typical ESDs are: integrated circuits, some field
effect transistors, and semiconductor "chip" components. 5. Do not use Freon-propelled chemicals. When sprayed,
The techniques outlined below should be followed to help these can generate electrical charges sufficient to dam-
reduce the incidence of component damage caused by sta- age ESDs.
tic electricity.
6. Do not remove a replacement ESD from its protective
CAUTION: packaging until immediately before installing it. Most
Be sure no power is applied to the chassis or cir- replacement ESDs are packaged with all leads shorted
cuit, and observe all other safety precautions. together by conductive foam, aluminum foil, or a compa-
rable conductive material.
7. Immediately before removing the protective shorting
1. Immediately before handling a semiconductor compo- material from the leads of a replacement ESD, touch the
nent or semiconductor-equipped assembly, drain off any protective material to the chassis or circuit assembly into
electrostatic charge on your body by touching a known which the device will be installed.
earth ground. Alternatively, employ a commercially avail-
able wrist strap device, which should be removed for your 8. Maintain continuous electrical contact between the ESD
personal safety reasons prior to applying power to the unit and the assembly into which it will be installed, until com-
under test. pletely plugged or soldered into the circuit.
2. After removing an electrical assembly equipped with 9. Minimize bodily motions when handling unpackaged
ESDs, place the assembly on a conductive surface, such replacement ESDs. Normal motions, such as the brush-
as aluminum or copper foil, or conductive foam, to pre- ing together of clothing fabric and lifting one's foot from a
vent electrostatic charge buildup in the vicinity of the carpeted floor, can generate static electricity sufficient to
assembly. damage an ESD.
3. Use only a grounded tip soldering iron to solder or desol-
der ESDs.
1-2 Samsung Electronics
2. Specifications
2-1 Printer Engine
Technology Color Thermal Inkjet
Engine Type 2-Pen (K and CMY)
Operating System Windows 95/98/2000/Me/XP
Interface USB (without HUB Mode), IEEE1284(ECP Support)
Emulation HBP(GDI)
Print Speed (2)
Mono 14 ppm Draft
Color 7 ppm Draft
Print Resolution (H x V) True 600 X 1200dpi, 2400(H) x 1200(V) dpi (Addressable)
Maximum Paper Size A4, Letter, Legal
Effective Printing Width 8.0'' (203