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SAMSUNG FACSIMILE
SF-530/531P
SERVICE Manual
FACSIMILE CONTENTS
1. Precautions
2. Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. Block Diagram
7. Connection Diagram
ELECTRONICS
This service manual is also provided on the web, © Samsung Electronics Co.,Ltd. September 2001
the ITSELF system Samsung Electronics Co., Ltd. Printed in Korea.
http://itself.sec.samsung.co.kr VERSION NO. : 1.00 CODE : JC-0059A
This manual is stated and
provided for service description.
All rights reserved. Any parts of the
information in this manual are prohibited
from free duplication, use or translation
without prior written approval except in
cases allowed by the Copyright Act.
Specifications are subject to change without
prior notice.
Samsung Electronics Digital Printing CS Group
Copyright (c) 2001. 9.
Precautions
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
LASER STATEMENT (LASERTURVALLISUUS)
There are some electric or machinery parts with safety
related property. If the parts replaced are different from WARNING : NEVER OPERATE AND SERVICE THE PRINTER
WITH THE PROTECTIVE COVER REMOVED
the original, the safety may not function. Even if the part FROM LASER/SCANNER ASSEMBLY. THE
could allow higher voltage than that of the part used, do REFLECTIVE BEAM, ALTHOUGH INVISIBLE, CAN
DAMAGE YOUR EYES.
not replace it and use a regular product clarified in spec-
ifications. Class 1 laser product
2. Be careful not to leave a switch, a cover or a safety device Luokan 1 laserlaite
out when reinstalling or assembling the product after Klass 1 laser apparat
repair.
Allonpituus 770-795nm
3. Replacing Precautions Teho 0.3mW±0.03mW
Do not change or add parts as you like. You cannot ben-
efit from such a remodeled product at your will during the
CAUTION INVISIBLE LASER RADIATION WHEN
term of guarantee. THIS COVER OPEN. DO NOT OPEN
THIS COVER.
4. You must replace overheated or damaged parts or cords
VORSICHT UNSICHTBARE LASERSTRAHLUNG,
with regular products. Please solve the problem causing WENN ABDECKUNG GEOFFNET.
any damage or overheating and troubles beforehand. NIGHT DEM STRAHL AUSSETZEN.
ATTENTION REYONNEMENT LASER INVISIBLE EN CAS
D'OUVERTURE. EXPOSITION DANGERUSE AU
Especially mind the safety on the part with this FAISCEAU.
mark. ATTENZIONE RADIAZIONE LASER INVISIBLE IN CASO DI
APERTURA. EVITARE L'ESPOSIZONE LA FASCIO.
You must use regular parts described in specifica-
PRECAUCION REDIACION LASER INVISIBLE CUANDO SE
tions for the parts inflammable and where the cur- ABRE. EVITAR EXPONERSE AL RAYO.
rent can be flown. Otherwise any hazard such as
an electric shock or a fire could occur. CAUTION : Avoid exposure to invisible laser radiation when the
development unit is not installed.
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
Precautions
1-4 Tools for Troubleshooting
The following tools are recommended for safe and smooth troubleshooting described in this service manual.
1 DCU(Diagnostic Control Unit)
Standard: Test equipment to diagnose the Laser 4 Driver
Standard: "-" type, "+" type (M3 long, M3 short,
printer supplied by Samsung Electronics. M2 long, M2 short).
5 Pinset
Standard: For general home use, small type.
2 DVM(Digital Volt Meter)
Standard: Indicates more than 3 digits.
6 Cotton Swab
Standard: For general home use, for medical ser-
vice.
7 Cleaning Equipmentsa asoft stuff neutral
Alcohol)dry cloth or
IPA(Isopropyl
detergent.
8 Software(Driver) installation CD ROM
3 Electronic Scale
Standard: Equipment to check the weight of con-
sumables(toner cartridge) supplied by Samsung
Electronics. (The gram unit can be measured.)
Mind your hands not to be touched when
you disassemble and reassemble PBA ASS'Y,
Note such as the main board, SMPS, HVPS.
Samsung Electronics 1-3
2.Specifications
FAX MFP
ITEMS REMARKS
SF-530 SF-531P
General Size(W*D*H) 370 X 356 X 195 mm
Weight 6.9 Kg (With accessories)
Power Rating AC 110V ~ 120V ± 15%, 50/60Hz ± 3Hz
AC 220V ~ 240V ± 15%, 50/60Hz ± 3Hz
Operating Environment Temperature : 10 ~ 32°C
Humidity : 20 ~ 85% RH
LCD 16*1 Char 16*1 Char
Interface NA ECP(IEEE1284), USB
Halftone 64 Level 64 Level
Life 50000 Pages 50000 Pages
Power Power Button No No
Input Voltage 110V~120V, 220V~240V 110V~120V, 220V~240V
Power Idle 10 W/H 10 W/H
Consumption Max 140 W/H 140 W/H
Power Save Mode OFF, 15, 30, 60 Min OFF, 15, 30, 60 Min
Print Print Method Laser Laser
Speed 8ppm (FAX Print Out) 8ppm (PC Print & Fax Print)
Resolution Normal NA 600 x 600 DPI
Print language No PrinThru
Toner Save 30 ~ 50 % 30 ~ 50 %
Scan Scan Method CIS CIS
Quick Scan Speed 6 sec 3 sec
Resolution 200 x 200 DPI 300 x 300 DPI
Scan Width Max 216 mm 216 mm
Effective 210 mm 210 mm
Scan Length Max 1000 mm 1000 mm
(Std Mode : 365 mm) (Std Mode : 365 mm)
Copy Speed 8 ppm 8 ppm
Resolution 600 x 600 DPI 600 x 600 DPI
Zoom Range 50 ~ 130 % 50 ~ 200%
Collate/Reverse Yes Yes
Multi Copy 1 ~ 99 1 ~ 99
Samsung Electronics 2-1
Specifications
FAX MFP
ITEMS REMARKS
SF-530 SF-531P
Telephone Handset Yes Yes
1-Touch Dial 20 EA 20 EA
Speed Dial 80 EA 80 EA
Group Dial 20 EA 20 EA
Caller ID Yes
(Germany, France, Canada, Australia, New Zealand, US)
TAD No
TAD I/F Yes
Tone/Pulse Tone : US, UK, Korea
Tone/Pulse : ETC
No Power Operation No
Earth/Recall Yes
External Phone Transfer Yes
FAX Compatibility ITU G3
Communication System PSTN/PABX
Modem Speed 33.6Kbps Fax Modem
TX Speed 3sec Using CCitt #1 Chart
with Standard Resolution
Compression MH/MR/MMRc
Rcv. Mode TEL, FAX, AUTO, ANS/FAX
ECM Yes
DRPD Yes USA, New Zealand,
Australia, SEMI only
Resolution Std 203*98dpi
Fine 203*196dpi
S.Fine 203*392dpi
Memory Capacity 2MB
Optional Memory None
Functions Voice Request Yes
TTI Yes
RTI Yes
Polling Yes
Flash Yes
Auto Reduction Yes
Broadcasting 20 EA (99 locations) 20 EA(98 locations)
Forced Memory Yes
Delay TX 20 Locations 19 locations
Memory RX Yes
RDC Yes
Battery B/U Yes (Max 20 Min)
2-2 Samsung Electronics
Specifications
FAX MFP
ITEMS REMARKS
SF-530 SF-531P
Paper ASF Type BIN
Handling Input Capacity 150 Sheets / 20Ib
Optional Cassette No
Output Capacity 100Sheets / 20Ib
Output Control Face up
Bypass No Yes
Media Type Plain Paper Plain, Coated, Transparency,
Envelop, Card, Post Card,
Label
Media Size A4, Letter, Legal · Paper : A4, Letter, Legal, Envelop : Manual
Folio, Executive, feeding only
B5, A5
· Envelop : 6 3/4, 7 3/4, #9,
#10, DL, C5,
B5, Baronial
Media Weight 16~24Ib 16~43Ib
ADF Input Capacity 20 Sheets / 20Ib
Media Weight 12.5 ~32Ib
Software Compatibility DOS No
Win 3.x No
Win 95 No Yes
Win 98 No Yes
Win NT 4.0 No Yes
Win 2000 No Provide After Launch Win 2000
Driver Printer No Samsung PrinThru
TWAIN No Samsung ScanThru (TWAIN)
PC-FAX No Samsung FaxThru
Media CD-ROM No Yes
Diskette No No
Y2K Compliant Yes Yes
Including Software No Print/Scan/Copy/Driver,
PC-Fax/ E-mail/ OCR Software
Special Direct E-mail Send No Yes
Features Fax Forward Yes
Toner Save Yes
Reprint No Yes (Only Last PC Print)
2-up FAX Receive Yes
Scan to PC-FAX No Yes
Toner Life Initial 1,000 Pages Using 4% Coverage Pattern
Cartridge Running 2,500 Pages Using 4% Coverage Pattern
Toner Sensor Support Yes
Method Software Dot Counting
Lock Key (With Printer & OEM) Yes
Maintena ADF Rubber 10K Pages Scan
nce Cycle Paper Feeding Roller 50K Pages Printer
Transfer Roller 60K Pages Print
Fuser Unit 50K Pages Print
Samsung Electronics 2-3
3. Disassembly and Reassembly
3-1 General Precautions on Disassembly
When you disassemble and reassemble compo- Releasing Plastic Latches
nents, you must use extreme caution. The close
proximity of cables to moving parts makes proper
routing a must. Many of the parts are held in place with plastic
latches. The latches break easily; release them
If components are removed, any cables disturbed carefully.
by the procedure must be restored as close as To remove such parts, press the hook end of the
possible to their original positions. Before removing latch away from the part to which it is latched.
any component from the machine, note the cable
routing that will be affected.
Whenever servicing the machine, you must per-
form as follows:
1. Check to verify that documents are not stored in
memory.
2. Be sure to remove the toner cartridge before you
disassemble parts.
3. Unplug the power cord.
4. Use a flat and clean surface.
5. Replace only with authorized components.
6. Do not force plastic-material components.
7. Make sure all components are in their proper
position.
Samsung Electronics 3-1
Disassembly and Reassembly
3-2 Cradle
1. Push the lever and remove the cradle as shown
below.
00
00
0
00
0
00
00
000
3
000
000
2 00
00
0
1
00
00
00
0
00
00
00
000
000
00
0000
00
000
000
00
000
00
00
00
00 00000
00000000
000 0000
00
0000
00
000
00
000
00
00 00000
00000000
000 0000
00
3-3 White Roller
1. Open the OPE cover.
A
2. Push the bushing on the end of the Roller slightly Bushing B
inward, then rotate it until it reaches the slot.
Then lift, the Roller out.
Note : Check the Roller for any dirt. If dirty, wipe it off with White Roller
soft cloth dampened with water. If the Roller is
heavily worn, replace it with a new one.
Control Panel
3-2 Samsung Electronics
Disassembly and Reassembly
3-4 OPE Cover
1. Pull the cover release button on both sides of the 4. Remove two screws securing bracket scan board,
machine, and open the front cover. then take out the bracket scan board.
5. Unplug two connectors and one wire from the scan
board.
2. Remove two stoppers holding the front cover unit and
unplug one connector and one wire.
2
1
6. Lift the OPE cover.
2
1
3. Pull the bottom left end of the cover downward to
unlatch the front cover unit and remove the cover
from the main frame.
Samsung Electronics 3-3
Disassembly and Reassembly
7. Remove the stopper holding the OPE cover.
2
1
8. Unlatch the bottom ends, then remove the OPE
cover.
3-4 Samsung Electronics
Disassembly and Reassembly
3-5 ADF Rubber
1. Open the OPE unit.
2. Insert a flat blade screw driver and pinset into the slot
as shown below, and release the latches. Take out the
Holder Rubber, Sheet ADF and the Rubber ADF.
Guide Boss
Holder Rubber
Holder Rubber
Rubber ADF
Rubber ADF
Guide Boss 0
0
0
00
000
000
0000 00
00000000
00000000
Holder Rubber Notes : · When you reassemble the them, be sure that
0000
00
00
00
0
00
the Rubber ADF and Holder Rubber fit into the
00
000 000
0000000
000000
00
guide boss and the Holder Rubber latches fit
into the corresponding hole. Then push firmly
until it clicks.
Rubber ADF
0
0
0
00
000
000
0000 00
00000000
00000000
0000
00
3. Clean the surface of the rubber pad with IPA (Isopropyl
00
00
00
0
00
000 000
0000000
000000
00
Alcohol). After wiping it, be sure to dry it. Check the rub-
Safely Precautions :
ber wear. If the wear reaches 1/2 its original thickness,
Do not force to open or fasten plastic material replace it with a new one.
components.
Pinset or
Screw Driver
Samsung Electronics 3-5
Disassembly and Reassembly
3-6 OPE Board
1. Before you remove the OPE board, you should 3. Release two latches securing the both side of the
remove: LCD and the two of four latches securing the board.
Then remove the OPE board.
OPE cover (see page 3-3)
2. Remove four screws securing the OPE board.
3-7 Lever Sensor Doc.
1. Unlatch the lever sensor Doc from the scan upper
frame and take it out.
3-8 Lever Sensor Scan
1. Push the both sides of Lever sensor Scan inward,
then unlatch and take out the sensor Scan from the
scan upper frame.
3-6 Samsung Electronics
Disassembly and Reassembly
3-9 Scan Board
1. Before you remove Scan board, you should remove:
Bracket scam board (see page 3-3)
2. Unplug all the connectors from the scan board and
remove the board.
3-10 Scan Motor
1. Before you disassemble Scan Motor, you should 4. Take out the gear from the Motor Ass'y.
remove:
OPE cover (see page 3-3)
Bracket scan board (see page 3-3) 5. Remove two screws and remove the motor.
2. Unplug one connector from the scan board.
3. Remove three screws, then remove the motor Ass'y
from the main frame.
Samsung Electronics 3-7
Disassembly and Reassembly
3-11 ADF Roller
1. Before you remove the ADF Roller, you should 3. Remove ADF Roller from the scan front frame.
remove:
OPE cover (see page 3-3) ADF Roller
2. Remove two screws securing the guide paper and
remove the guide paper.
Guide Paper
3-12 CIS
1. Remove one screw and push CIS as shown below 2. Separate the Dummy CIS from CIS.
and lift it.
CIS
tape
3-8 Samsung Electronics
Disassembly and Reassembly
3-13 Rear Cover
1. Remove two screws.
2. Push the metal clip on the parallel port down and
remove the rear cover from the main frame.
3-14 Top Cover
1. Before you remove the ADF Roller, you should 3. Remove two screws and slide the left and right paper
remove: guides fully inward. Then spread the bottom of the top
cover and lift the cover to remove.
OPE cover (see page 3-3)
Rear cover (see above)
Paper guides
2. Remove two screws securing the top cover from the
back side of the machine.
Samsung Electronics 3-9
Disassembly and Reassembly
3-15 Tray
1. Before you remove the tray, you should remove:
OPE cover (see page 3-3)
Rear cover (see page 3-9)
Top cover (see page 3-9)
2. Take out the tray from the main frame.
3-16 LSU
1. Before you remove the LSU, you should remove: 3. Unplug two connectors from the LSU and remove the
All covers (see page 3-3, 3-9) LSU.
2. Remove three screws securing the LSU.
3-10 Samsung Electronics
Disassembly and Reassembly
3-17 Transfer Roller
1. Pull the cover release button on both sides of the
machine, and open the front cover.
2. Lift the transfer Roller using a proper tool (-Driver) and
take out the Roller.
3-18 Engine Board
1. Before you remove the Engine board, you should 2. Unplug five connectors and remove one screw from
remove: the engine board, then remove the board.
All covers (see page 3-3, 3-9)
LSU (see page 3-10)
Samsung Electronics 3-11
Disassembly and Reassembly
3-19 Pick-up Roller Ass'y
1. Before you remove the pick-up Roller Ass'y, you 4. Remove two screws and remove the Roller from the
should remove: plate.
All covers (see page 3-3, 3-9)
LSU (see page 3-10)
2. Unplug all the connectors from the engine board.
Note : When you reassemble the pick-up Roller, make
sure that the right end of the pick-up Roller fits
into the pick-up gear shaft.
3. Remove four screws securing the plate upper and
remove the plate upper as below.
Pick-up gear shaft
3-12 Samsung Electronics
Disassembly and Reassembly
3-20 Knock-up Ass'y
1. Before you remove the knock-up Ass'y, you should 3. Remove the knock-up Ass'y from the main frame.
remove:
All covers (see page 3-3, 3-9)
LSU (see page 3-10)
Plate upper (see page 3-12)
2. Pull the knock-up Ass'y fully backward.
3-21 Cap-Pad
1. Before you remove the cap-pad, you should remove: 2. Take out the cap-pad from the main frame.
All covers (see page 3-3, 3-5)
LSU (see page 3-10)
Plate upper (see page 3-12)
Knock-up Ass'y (see above)
Samsung Electronics 3-13
Disassembly and Reassembly
3-22 Holder-Pad
1. Before you remove the holder-pad, you should
remove:
All covers (see page 3-3, 3-9)
LSU (see page 3-10)
Plate upper (see page 3-12)
Knock-up Ass'y (see 3-13)
Cap-Pad (see 3-13)
2. Remove the holder-pad from the main frame.
3-23 Motor Ass'y
1. Before you remove the motor Ass'y, you should Note : When you reassemble the motor Ass'y, make
remove: sure that the boss shown in the figure below fit
into the corresponding screw holes on the motor
All covers (see page 3-3, 3-9) Ass'y to allow the screws to be fastened properly.
2. Remove four screws securing the motor Ass'y and
unplug one connector from the engine board, then
remove the motor Ass'y.
Boss
3-14 Samsung Electronics
Disassembly and Reassembly
3-24 Fan
1. Before you remove the fan, you should remove:
All covers (see page 3-0)
Motor Ass'y (see page 3-15)
2. Unplug one connector from the engine board and
remove the fan.
3-25 Gear pick-up Ass'y
1. Before you remove the gear pick-up Ass'y, you 2. Release two snap-fits and remove the gear pick-up
should remove: Ass'y from the main frame.
All covers (see page 3-3, 3-9)
Note: When reassembling, make sure that the direction
of the gear is correct.
Samsung Electronics 3-15
Disassembly and Reassembly
3-26 Solenoid
1. Before you remove the solenoid, you should remove:
All covers (see page 3-3, 3-9)
2. Unplug one connector from the engine board and
remove one screw, then remove the solenoid.
3-27 HVPS Board
1. Before you remove the HVPS board, you should
remove:
All covers (see page 3-3, 3-9)
2. Remove three screws and one connector from the
HVPS board, then remove the board.
Note : when reassembling, make sure that the terminal
is five.
3-16 Samsung Electronics
Disassembly and Reassembly
3-28 Hook Board
1. Before you remove the hook board, you should
remove:
All covers (see page 3-3, 3-9)
2. Unplug one connector from the main board and
remove two screws, then remove the hook board from
the main frame.
3-29 Fuser Ass'y
1. Before you remove the fuser Ass'y, you should
remove: 3. Remove two screws and unlatch the fuser Ass'y using
a proper tool.
All covers (see page 3-3, 3-9)
2. Remove two wires after remove two screws from the
main frame and one connector from the inter connec-
tor.
Samsung Electronics 3-17
Disassembly and Reassembly
3-30 Thermostat
1. Remove one screw and remove the cover thermostat 2. Remove two screws and take out thermostat from the
from the fuser Ass'y. fuser Ass'y.
3-31 Halogen Lamp
1. Before you remove the thermostat, you should 3. Remove the halogen lamp from the heat Roller.
remove:
All covers (see page 3-3, 3-9)
Fuser Ass'y (see page 3-17)
2. On the fuser Ass'y, remove the two screws, then
remove the heat Roller.
3-18 Samsung Electronics
Disassembly and Reassembly
3-32 Pressure Roller
1. Before you remove the pressure Roller, you should
remove:
All covers (see page 3-3, 3-9)
Fuser Ass'y (see page 3-17)
2. Lift and remove the pressure Roller from the main
frame.
3-33 Actuator-Exit
1. Before you remove the actuator-exit, you should
remove:
All covers (see page 3-3, 3-9)
Fuser Ass'y (see page 3-17)
2. Lift and remove the actuator-exit from the main
frame.
Samsung Electronics 3-19
Disassembly and Reassembly
3-34 Shield Engine Ass'y
1. Before you remove the shield engine Ass'y, you
should remove:
Rear cover (see page 3-9)
2. Remove eight screws securing the shield engine
Ass'y and remove the shield engine Ass'y from the
main frame.
3-34 SMPS Board
1. Before you remove the SMPS board, you should
remove:
Rear cover (see page 3-9)
Shield Engine Ass'y (see page 3-19)
2. Remove four screws and three connectors, then
remove the SMPS board from the main frame.
3-20 Samsung Electronics
Disassembly and Reassembly
3-36 Speaker
1. Before you remove the speaker, you should remove:
Rear cover (see page 3-9)
Shield Engine Ass'y (see page 3-19)
SMPS board (see above)
2. Remove one connector that connects the speaker to
the main board and two screws securing the speaker,
then remove the speaker.
3-37 LIU Board
1. Before you remove the LIU board, you should
remove:
Rear cover (see page 3-9)
Shield Engine Ass'y (see page 3-19)
2. Remove three screws and three connectors from the
LIU board, then remove the board from the main
frame.
Samsung Electronics 3-21
Disassembly and Reassembly
3-38 Main Board
1. Before you remove the main board, you should
remove:
Rear cover (see page 3-9)
Shield Engine Ass'y (see page 3-19)
2. Remove four screws and all the connectors (9) from
the main board, then remove the board.
3-39 Sensor Board
1. Before you remove the sensor board, you should
remove:
Rear cover (see page 3-9)
Shield Engine Ass'y (see page 3-19)
2. Release four snap-fits securing the sensor board and
unplug one connector from the main board, then
remove the sensor board.
3-22 Samsung Electronics
Disassembly and Reassembly
3-40 Actuator Empty/Feeder
1. Before you remove the actuator empty/feeder, you 3. Remove the Feed sensor and the Empty sensor.
should remove:
Rear cover (see page 3-9) Feed Sensor
Shield Engine Ass'y (see page 3-19)
2. Remove one connector from the main board and two
screws securing the holder feed Ass'y, then remove
the holder feeder Ass'y.
Empty Sensor
Samsung Electronics 3-23
Disassembly and Reassembly
3-41 Roller Feeder
1. Before you remove the actuator empty/feeder, you 3. Rotate the pick-up bushing as shown below and
should remove: remove holder feeder Ass'y and Roller feeder.
All covers (see page 3-0)
Motor Ass'y (see page 3-15)
2. Release two snap-fits and remove the gear-feed,
clutch-feed, and the spring-clutch.
Spring-clutch Gear-feed 4. Separate the Roller Feeder from the Holder Feeder
Ass'y.
Clutch-feed
Roller Feed
Holder Feed
3-24 Samsung Electronics
4. Troubleshooting
4-1 Preventative Maintenance
The cycle period outlined below is a general guideline for maintenance. The example list is for an average usage of 50 trans-
mitted and received documents per day.
Environmental conditions and actual use will vary these factors. The cycle period given below is for reference only.
COMPONENT CLEANING CYCLE REPLACEMENT CYCLE SOLUTION
ADF Rubber 6 Months 10,000 Pages
ADF Roller 1 Year 20,000 Pages
SCANNER
White Roller As Needed 10,000 Pages
CIS As Needed
Cartridge 2,500 Pages
Pickup Roller 60,000 Pages
Feed Roller 50,000 Pages
PRINTER
Transfer Roller 60,000 Pages
Fuser 50,000 Pages
4-2 Tech Mode
In Tech mode, the technician can perform various tests to isolate the causes of a malfunction, and set the technical option fea-
tures to customize the machine depending on the user's operation environment.
To access TECH mode
: Press SETUP, #, 1, 9, 3, 4 in sequence, and the LCD displays `TECH' in the standby mode screen. While in TECH mode,
the machine still performs all normal operations.
To return to the normal user mode
: Turn the power off, then back on.
The technical options you have set in TECH mode are not changed unless you clear the machine's memory in TECH mode.
To communicate via direct connection with another fax machine, press OHD/V.REQ followed by Start/Enter.
· Caution :
When you finish operating in Tech Mode, you must turn the power Off/On.
Samsung Electronics 4-1
Troubleshooting
4-2-1 System Data List in TECH MODE
Function Item Content Default
FAX NUMBER/NAME FAX NUMBER
FAX NAME
TIME/DATE SETUP DATE FORMAT EUROPE/USA EUROPE
TIME/DATE
SYSTEM SETUP LANGUAGE ENG/GER/FRE/ITA/SPA/POR/DUT ENGLISH
SENDING MEMORY ON/OFF ON
SEND FROM CONFIRM ON/OFF/ERROR ERROR
FAX PAPER SIZE LETTER/A4/LEGAL A4
AUTO REDUCTION ON/OFF ON
DISCARD SIZE 0~30mm 20MM
RINGS TO ANSWER 1~7 2
STAMP RCV.NAME ON/OFF OFF
RCV.START CODE 0~9 *9*
ECM MODE ON/OFF ON
CALLER ID ON/OFF OFF
JUNK FAX BARRIER ON/OFF OFF
DRPD MODE ON/OFF OFF
TECH MODE MODEM SPEED 2.4/4.8/7.2/9.6/12.0/14.4/28.8/33.6 26.4 KBPS
DIALING MODE TONE/PULSE TONE
SEND FAX LEVEL 0~15 -12 DBM
RCV. FAX LEVEL 40~50 -43DBM
FLASH TIME(RECALL TIME) 80/280/600 80 MS
PAUSE TIME 1~9 4 SEC
REDIAL INTERVAL 1~15 3 MIN
REDIAL COUNT 0~5 2
DP MAKE/BREAK 40/60~33/67 33/67
SILENCE TIME UNLIMITED/12SEC UNLIMITED ERROR
RATE 5%/10% 10%
IGNORE TONER EMPTY ON/OFF OFF
GROUP DIAL SETUP GROUP NO[1-20]
VOLUM SETUP ALARM VOLUM ON/OFF ON
KEY VOLUM ON/OFF ON
MEMORY CLEAR FAX NUMBER/NAME
DIAL/SCHEDULE
JOURNAL
DEFAULT SETUP
MAINTENANCE CLEANING DRUM
ADJUST SHADING
REMOTE TEST OFF/ON
NOTIFY TONER LOW OFF/ON
ROM TEST ROM OK! (VERSION)
CIS TEST
DRAM TEST DRAM OK
SWITCH TEST
DTMF TEST
TONER COUNT
PRINTING INFO OFF/ON
PROGRAM DOWNLODE
SCAN COUNT CLEAR COUNT CLEARING ..
: Only Tech Mode
4-2 Samsung Electronics
Troubleshooting
4-2-2 Tech Mode Options
In TECH mode, press SETUP, then press or until PAUSE TIME
`TECH MODE' appears in the display. Press Start/Enter. · Pause time mean delay time (unit: second) inserted
The following technical options are available. between dial number signal and the next number of signal
in the automatic dial (One touch, Speed dial, Redial) and
the manual dial.
Note : If necessary, print System Data List in TECH mode.
The list shows all current system data settings · Caution: The Send Fax Level is set at the best condition
including the TECH MODE options. To print the sys- in the shipment from factory. Never change set-
tem data list, press Report/Help, then press tings arbitrarily.
or until `SYSTEM DATA' appears in the dis-
play, and press Start/Enter.
REDIAL INTERVAL
· If the remote machine is busy when the machine sends a
Modem Speed fax using automatic dialing, the machine automatically
· You can set the maximum modem speed. redials the number. Select the time interval between auto-
· Communication is done with modem speed automatically matic redial attempts. Enter the desired redial interval
set at lower speed when communicating with the modem using the number keypad: 1 - 15 minutes.
with lower speed since communication is done on the stan-
dard of the side where modem speed is low for transmis- REDIAL COUNT
sion/reception. It is better set 26.4KBPS as default setting. · You can set times that redial automatically attempts when
automatic transmission is done or when the remote
machine is busy or when the machine send a fax. If there
DIALING MODE is no response after redialing by the times already set,
· Select the dialing mode according to the user's line status. redial is no longer attempted. No redial is attempted if the
· TONE: Electrical type of dial settings is 0. Enter the desired times from 1 through 5.
· PULSE: Mechanical type of dial
DP Make/Break
SEND FAX LEVEL · Select the dial pulse make and break time: 40-60 or 33-67
· You can set the level of the transmission signal. Typically,
the Tx level should be under -12 dBm. The level within the · Caution: Send Fax Level is set at the best condition in the ship-
range of 1 to -15 dBm is acceptable. ment from factory. Never change settings arbitrarily.
· Caution: The Send Fax Level is set at the best condition SILENCE TIME
in the shipment from factory. Never change set- · In ANS/FAX mode, after a call is picked up by the answer-
tings arbitrarily. ing machine, the machine monitors the line.
· If a period of silence is detected on the line at any time, the
call will be treated as a fax message and the machine
RCV FAX LEVEL begins receiving.
· You can set the level of the receiving signal. · Silence detection time is selectable between limited (about
· The reception level may be too low due to the cable losses. 12 seconds) and unlimited time.
· If it is set to -43 dBm, the reception sensitivity will be · When '2 sec' is selected, the machine switches to receiv-
between 0 and -43 dBm. If it is set to -48 dBm, the recep- ing mode as soon as it detects a period of silence. When
tion sensitivity will be between 0 and -48 dBm. 'unlimited'is selected, the machine waits until the answer-
· Caution: The Send Fax Level is set at the best condition ing operation is concluded even though a period of silence
in the shipment from factory. Never change set- is detected. After the answering operation is concluded,
tings arbitrarily. the machine switches to receiving mode.
ERROR RATE
FLASH TIME · When the error rate is about to be over the setting value,
· Set the flash time to 80, 280, or 600 milliseconds. the Baud rate automatically lowers up to 2400 bps to make
the error rate remain below the setting value.
· You can select the rate between 5% and 10%.
IGNORE TONER EMP
· You can set this function ON if desiring to drive the engine
continuously even though the life of toner is run out and it
becomes Toner Empty status.
Samsung Electronics 4-3
Troubleshooting
4-2-3 Maintenance Options
In TECH mode, press SETUP, then press or until NOTIFY TONER LOW
`MAINTENANCE' appears in the display. Press Start/Enter. · With this feature enabled, when the toner becomes low, the
The following technical options are available toner low information will be sent to ta specified contact
point, for example, the service company. After you access
this menu, select ON, and when the LCD prompts, enter
CLEAN DRUM the name and the number of the contact point, the cus-
· Use this feature to get rid of the toner remained in the tomer's fax number, the model name, and the serial num-
development unit, so you can get a clean printout.Perform ber.
this feature if stains or specks appear on the printing mate-
rials and print quality falls. ROM TEST
· Perform this feature several times until a clean printing · Use this feature to test the machine'S ROM. The result and
material appears. the software version appear in the LCD