Samsung Office Master SCX-5312F Manuale utente

DIGITAL LASER MFP

SCX-5312F

SCX-5112

1. Precautions

2. Speciﬁcations

3. Disassembly

4.Troubleshooting

5. ExplodedViews and Parts List

6. Block Diagram

7. Connection Diagram

DIGITAL LASER MFP CONTENTS

SERVICE

MANUAL

Precautions

Samsung Electronics 1-1

1. Precautions

Follow these safety, ESD, and servicing precautions to prevent personal injury and equipment damage.

1-1 Safety Precautions

1. Be sure that all built-in protective devices are in

place.Restore any missing protective shields.

2. Make sure there are no cabinet openings

through which people-particularly children- might

insert ﬁngers or objects and contact dangerous

voltages.

3. When re-installing chassis and assemblies, be

sure to restore all protective devices, including

control knobs and compartment covers.

4. Design Alteration Warning:Never alter or add to

the mechanical or electrical design of this equip-

ment, such as auxiliary connectors, etc. Such

alterations and modiﬁcations will void the manu-

facturer’s warranty.

5. Components, parts, and wiring that appear to

have overheated or are otherwise damaged

should be replaced with parts which meet the

original speciﬁcations. Always determine the

cause of damage or overheating, and correct any

potential hazards.

6. Observe the original lead dress, especially near

sharp edges, AC, and high voltage power sup-

plies. Always inspect for pinched, out-of-place,

or frayed wiring. Do not change the spacing

between components and the printed circuit

board.

7. Product Safety Notice:Some electrical and

mechanical parts have special safety-related

characteristics which might not be obvious from

visual inspection. These safety features and the

protection they provide could be lost if a replace-

ment component differs from the original. This

holds true, even though the replacement may be

rated for higher voltage, wattage, etc.

8. Components critical for safety are indicated in

the parts list with symbols .

Use only replacement components that have the

same ratings, especially for ﬂame resistance and

dielectric speciﬁcations. A replacement part that

does not have the same safety characteristics as

the original may create shock, ﬁre, or other

safety hazards.

1-2 Precautions on Disassembly and Reassembly

Very careful precautions should be taken when

replacing parts. Before replacing, please check

cables because you cannot put the cables that you

removed for replacing parts into the proper place if

you would not make sure of where they were con-

nected and in which condition.

Please do the following before disassembling for a

repair or replacement of parts.

1. Pull out paper cassette, printer cartridge

installed. Especially careful not to be scratched

by the surface of developer or not to expose

them to light.

2. Turn the power switch off.

3. Take out the power plug, printer cable from the

printer.

4. Use only the same type of part as original when

replacing parts.

5. Do not force to open or fasten plastic material

components.

6. Be careful that small parts such as screws

should not get in the printer.

7. When disassembling, assembling, also observe

small components are located in place.

8. If you uncover and turn the machine over to

replace some parts, toner or paper particles may

contaminate the LSU window. Protect the LSU

window with clean paper.

Releasing Plastic Latches

Many of parts are held in

place with plastic latches.

The latches break easily :

release them carefully.

To remove such parts,

press the hook end of the

latch away from the part to

which it is latched.

Precautions

Samsung Electronics1-2

1-3 ESD Precautions

1. Certain semiconductor devices can be easily

damaged by static electricity. Such components

are commonly called “Electrostatically Sensitive

(ES) Devices”, or ESDs.Examples of typical

ESDs are: integrated circuits, some ﬁeld effect

transistors, and semiconductor “chip” compo-

nents.

The techniques outlined below should be fol-

lowed to help reduce the incidence of component

damage caused by static electricity.

CAUTION

:Be sure no power is applied to the chassis

or circuit, and observe all other safety pre-

cautions.

2. Immediately before handling a semiconductor

component or semiconductor-equipped assem-

bly, drain off any electrostatic charge on your

body by touching a known earth ground.Alterna-

tively, employ a commercially available wrist

strap device, which should be removed for your

personal safety reasons prior to applying power

to the unit under test.

3. After removing an electrical assembly equipped

with ESDs, place the assembly on a conductive

surface, such as aluminum or copper foil, or con-

ductive foam, to prevent electrostatic charge

buildup in the vicinity of the assembly.

4. Use only a grounded tip soldering iron to solder

or desolder ESDs.

Use only an “anti-static” solder removal device.

Some solder removal devices not classiﬁed as

“anti-static” can generate electrical charges sufﬁ-

cient to damage ESDs.

5. Do not use Freon-propelled chemicals.When

sprayed, these can generate electrical charges

sufﬁcient to damage ESDs.

6. Do not remove a replacement ESD from its pro-

tective packaging until immediately before install-

ing it. Most replacement ESDs are packaged

with all leads shorted together by conductive

foam, aluminum foil, or a comparable conductive

material.

7. Immediately before removing the protective

shorting material from the leads of a replace-

ment ESD, touch the protective material to the

chassis or circuit assembly into which the device

will be installed.

8. Maintain continuous electrical contact between

the ESD and the assembly into which it will be

installed, until completely plugged or soldered

into the circuit.

9. Minimize bodily motions when handling unpack-

aged replacement ESDs.Normal motions, such

as the brushing together of clothing fabric and

lifting one’s foot from a carpeted ﬂoor, can gener-

ate static electricity sufﬁcient to damage an ESD.

1-4 Super Capacitor or Lithium Battery Precautions

1. Exercise caution when replacing a super capaci-

tor or Lithium battery.There could be a danger of

explosion and subsequent operator injury and/or

equipment damage if incorrectly installed.

2. Be sure to replace the battery with the same or

equivalent type recommended by the manufac-

turer.

3. Super capacitor or Lithium batteries contain toxic

substances and should not be opened, crushed,

or burned for disposal.

4. Dispose of used batteries according to the manu-

facture’s instructions.

Precautions

Samsung Electronics 1-3

1-5 Tools forTroubleshooting

The following tools are recommended for safe and smooth troubleshooting described in this service manual.

DVM(Digital Volt Meter)

Standard: Indicates more than 3 digits.

Driver

Standard: "-" type, "+" type (M3 long, M3 short, M2

long, M2 short).

Pinset

Standard: For general home use, small type.

Electronic Scale

Standard: Equipment to check the weight of consum-

ables(toner cartridge) supplied by Samsung Electron-

ics.(The gram unit can be measured.)

Cotton Swab

Standard: For general home use, for medical service.

Cleaning Equipments a IPA(Isopropyl

Alcohol)dry cloth or a soft stuff neutral

detergent.

Software(Driver) installation CD ROM

Note

: Mind your hands not to be touched when you

disassemble and reassemble PBA ASS'Y,

such as the main board, SMPS, HVPS.

Speciﬁcation

Samsung Electronics 2-1

2. Speciﬁcation

Speciﬁcations are correct at the time of printing. Product speciﬁcations are subject to change without notice.

See below for product speciﬁcations.

2-1 General Speciﬁcations

Item Description

Type of Unit Desktop

Operation System Win95/98/ME/ NT /2000/XP

Duplex Printing Yes(Default)

Interface IEEE1284(Nibbel/ECP)

USB(without HUB mode)

CPU 66 MHz(KS32C61200)

Emulation PCL6

Warming up Time 41 Sec (Stand-By), 25˚C

Absolute Storage Condition Temperature : -20°C ~ 40°C, Humidity : 10% RH ~ 95% RH

Operating Condition Temperature : 10˚C ~ 32˚C, Humidity : 20% RH ~ 80 % RH

Recommended Operating Condition Temperature : 16°C ~ 30°C, Humidity : 30% RH ~ 70% RH

Dimension(W X D X H) 560 X 433 X 459 mm

Weight About 22.5 Kg(with CRU)

Acoustic Noise Less than 56/47 dB(Copy/Printing mode)

Power Rating AC 100VAC ~ 127VAC ± 15 %, 50/60Hz ± 3Hz

AC 220VAC ~ 240VAC ± 15 % , 50/60Hz ± 3Hz

Power Consumption Avg. 320Wh ( No load Condition)

Power Save Consumption Avg. 35Wh

Recommended System Requirement Pentium II 233 Mhz, 64 MB RAM, 120MB(Hard Disk)

Minimum System Requirement Pentium II 400Mhz, 128 MB RAM, 220MB(Hard Disk)

LCD 16 characters X 2 lines

Memory 4 Mbyte for ﬂash Memory , 16 Mbyte for DRAM

Speciﬁcation

Samsung Electronics2-2

2-2 Printer Specifications

2-3 Facsimile Speciﬁcation(SCX-5312F Only)

Item Description

Printing Method Laser Scanning Unit + Electro Photography

Speed Single Side : 12 PPM

(Letter Size, 5% Character Pattern)

Duplex : 7.5 IPM(Images/Min) (Letter Size, 5% Character Pattern)

Source of Light LSU(Laser Scanning Unit)

Duplex Printing Yes(Default)

Resolution(Horizontal XVertical) True 600 X600 DPI , 1200 DPI Class

Feed Method Cassette Type , By PassTray,

ADF(Automatic Document Feeder)

Feed Direction FISO(Front-In Side-Out)

Paper Capacity(Input) Cassette : 550 Sheets

By Pass Tray : 100 Sheets(based on 75g/ß

≥

, 20lb)

Paper Capacity(Output) Face Down : 250 Sheets

Effective Print Width 203 ± 1mm (8 inch)

Item Description

Standard Recommendation ITU-T Group3(ITU : International Telecommunications Union)

Application Circuit PSTN or behind PABX

(PSTN : Public Switched Telephone Network.

PABX : Private Automatic Branch Exchange)

Data coding(Compression) MH/MR/MMR/JPEG(Transmission)

Modem speed 33600 /14400/12000/9600/7200/4800/2400 bps

Transmission Speed Approximately 3 sec(33,600 bps)

Effective Scanning Width 8.2 inches(208 mm)

Halftone 256 Levels

Paper Capacity(Input) ADF(Automatic Document Feeder) :30Sheets(75g/ß

≥

)

FAX Mode Standard /Fine/Super Fine/Halftone

Memory 4MB

Speciﬁcation

Samsung Electronics 2-3

2-4 Scanner Speciﬁcation

2-5 Copy Speciﬁcation

NOTE :

(1) Speed claims based on the test chart : Letter size.

SDMP : Single Document Multiple Printout

MDSP : Multiple Document Single Printout

Item Description

Type Flatbed(with ADF)

Speed Mono : 1.25 msec/line, Color : 5 msec/line

Device Color CCD(Charge Coupled Device) Module

Interface IEEE1284(ECP Support)

USB(without HUB Mode)

Compatibility TWAIN Standard , WIA

Optical Resolution(H X V) 600 X 600 dpi

Interpolation Resolution Max. 4800 dpi

Halftone 256 Levels

Effective Scan width 8.2 inches(208 mm)

Item Description

Mode B/W

Quality Text/Photo/Mixed

Mono Copy Speed

(1)

Platen(SDMP) : 12 cpm

ADF (SDMP) : 12 cpm

ADF (MDSP) :Text/mixed : Approx.7 cpm

: Photo : Approx. 3 cpm

Optical Resolution (H x V) 600 X 600 dpi

Multi Copy 99 pages

Maximum Original Size Legal

Maximum Page Size Legal

Paper Type Selection Plain , Legal , Cardstock , Transparency

Zoom Range Platen : 25 ~ 400%(1% Step)

ADF : 25~100 %(1% Step)

Speciﬁcation

Samsung Electronics2-4

2-6Telephone Speciﬁcation(SCX-5312F Only)

2-7 Consumables

Item Description

1Touch Dial 40EA(1~20 , shift key + 21~40)

Speed Dial 80EA

Tone/Pulse Tone only user modeTone/Pulse selectable in tech mode.

Item Description

Type Separate type

(Toner Cartridge / Drum Cartridge)

Life Toner Cartridge 6,000 sheets

( 5% coverage pattern, simplex normal mode )

Drum Cartridge 15,000 sheets

(simplex normal mode )

Disassembly and Reassembly

Samsung Electronics 3-1

3. Disassembly and Reassembly

3-1 General Precautions on Disassembly

When you disassemble and reassemble components, you must use extreme caution.

The close proximity of cables to moving parts makes proper routing a must. If components are removed, any

cables disturbed by the procedure must be restored as close as possible to their original positions.Before

removing any component from the machine, note the cable routing that will be affected.

Whenever servicing the machine, you must perform as follows:

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

2. Unplug the power cord.

3. Use a ﬂat and clean surface.

4. Replace only with authorized components.

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

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

3-2 Rear Cover

1. Remove the sixscrewssecuringtheRearCover. 2. Separate the rear cover from the base frame

and Scanner Ass'y.

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