Samsung CLP-510, CLP-510N Service manual

SAMSUNG COLOR LASER

PRINTER

CLP-510 Series

CLP-510/510N

SERVICE Manual

	SAMSUNG COLOR LASER PRINTER				CONTENTS
			1.		Precautions
			2.		Reference Information
			3.		Specifications
			4.		Summary of product
			5.		System Outline
			6.		Disassembly and Reassembly
			7.		Alignment and Adjustments
			8.		Troubleshooting
			9.		Exploded Views and Parts List
			10.		Block Diagram
			11.		Connection Diagram

*This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.

* This service manual is also provided on the web, the ITSELF system f Samsung Electronics Co., Ltd.

http://itself.sec.samsung.co.kr

©Samsung Electronics Co.,Ltd. August 2004 Printed in Korea.

VERSION NO. : 1.00

CODE : JC-0131A

Precautions

11. Precautions

In order to prevent accidents and to prevent damage to the equipment please read the precautions listed below carefully before servicing the printer and follow them closely.

1.1 Safety Warning

(1)Only to be serviced by appropriately qualified service engineers.

High voltages and lasers inside this product are dangerous. This printer should only be serviced by a suitably trained and qualified service engineer.

(2)Use only Samsung replacement parts

There are no user serviceable parts inside the printer. Do not make any unauthorized changes or

additions to the printer, these could cause the printer to malfunction and create electric shock or fire hazards.

(3)Laser Safety Statement

The Printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, chapter 1 Subchapter J for Class 1(1) laser products, and elsewhere, it is certified as a Class I laser product

conforming to the requirements of IEC 825. Class I laser products are not considered to be hazardous. The laser system and printer are designed so there is never any human access to laser radiation above a Class I level during normal operation, user maintenance, or prescribed service condition.

Warning >> Never operate or service the printer with the protective cover removed from Laser/Scanner assembly. The reflected beam, although invisible, can damage your eyes. When using this product, these basic safety pre-cautions should always be followed to reduce risk of fire, electric shock, and injury to persons.

CAUTION - INVISIBLE LASER RADIATION

WHEN THIS COVER OPEN.

DO NOT OPEN THIS COVER.

VORSICHT - UNSICHTBARE LASERSTRAHLUNG,

WENN ABDECKUNG GE FFNET.

NICHT DEM STRAHL AUSSETZEN.

ATTENTION - RAYONNEMENT LASER INVISIBLE EN CAS

D OUVERTURE. EXPOSITION DANGEREUSE

AU FAISCEAU.

ATTENZIONE - RADIAZIONE LASER INVISIBILE IN CASO DI

APERTURA. EVITARE L ESPOSIZIONE AL

FASCIO.

PRECAUCION - RADIACION LASER IVISIBLE CUANDO SE ABRE.

EVITAR EXPONERSE AL RAYO.

ADVARSEL. - USYNLIG LASERSTR LNING VED BNING, N R

SIKKERHEDSBRYDERE ER UDE AF FUNKTION.

UNDG UDSAETTELSE FOR STR LNING.

ADVARSEL. - USYNLIG LASERSTR LNING N R DEKSEL

PNES. STIRR IKKE INN I STR LEN.

UNNG EKSPONERING FOR STR LEN.

VARNING - OSYNLIG LASERSTR LNING N R DENNA DEL

R PPNAD OCH SP RREN R URKOPPLAD.

BETRAKTA EJ STR LEN. STR LEN R FARLIG.

VARO! - AVATTAESSA JA SUOJALUKITUS OHITETTAESSA

OLET ALTTIINA N KYM TT M LLE LASER-

S TEILYLLE L KATSO S TEESEEN.

Service Manual

Precautions

1.2 Caution for safety

1.2.1 Toxic material

This product contains toxic materials that could cause illness if ingested.

(1)If the LCD control panel is damaged it is possible for the liquid inside to leak. This liquid is toxic. Contact with the skin should be avoided, wash any splashes from eyes or skin immediately and contact your doctor. If the liquid gets into the mouth or is swallowed see a doctor immediately.

(2)Please keep toner cartridges away from children. The toner powder contained in the toner cartridge may be harmful and if swallowed you should contact a doctor.

1.2.2 Electric Shock and Fire Safety Precautions

Failure to follow the following instructions could cause electric shock or potentially cause a fire.

(1)Use only the correct voltage, failure to do so could damage the printer and potentially cause a fire or electric shock.

(2)Use only the power cable supplied with the printer. Use of an incorrectly specified cable could cause the cable to overheat and potentially cause a fire.

(3)Do not overload the power socket, this could lead to overheating of the cables inside the wall and could lead to a fire.

(4)Do not allow water or other liquids to spill into the printer, this can cause electric shock. Do not allow paper clips, pins or other foreign objects to fall into the printer these could cause a short circuit leading to an electric shock or fire hazard..

(5)Never touch the plugs on either end of the power cable with wet hands, this can cause electric shock. When servicing the printer remove the power plug from the wall socket.

(6)Use caution when inserting or removing the power connector. The power connector must be inserted completely otherwise a poor contact could cause overheating possibly leading to a fire. When removing the power connector grip it firmly and pull.

(7)Take care of the power cable. Do not allow it to become twisted, bent sharply round corners or other wise damaged. Do not place objects on top of the power cable. If the power cable is damaged it could overheat and cause a fire or exposed cables could cause an electric shock. Replace a damaged power cable immediately, do not reuse or repair the damaged cable. Some chemicals can attack the coating on the power cable, weakening the cover or exposing cables causing fire and shock risks.

(8)Ensure that the power sockets and plugs are not cracked or broken in any way. Any such defects should be repaired immediately. Take care not to cut or damage the power cable or plugs when moving the machine.

(9)Use caution during thunder or lightening storms. Samsung recommend that this machine be disconnected from the power source when such weather conditions are expected. Do not touch the machine or the power cord if it is still connected to the wall socket in these weather conditions.

(10)Avoid damp or dusty areas, install the printer in a clean well ventilated location. Do not position the machine near a humidifier. Damp and dust build up inside the machine can lead to overheating and cause a fire.

(11)Do not position the printer in direct sunlight. This will cause the temperature inside the printer to rise possibly leading to the printer failing to work properly and in extreme conditions could lead to a fire.

(12)Do not insert any metal objects into the machine through the ventilator fan or other part of the casing, it could make contact with a high voltage conductor inside the machine and cause an electric shock.

Service Manual

Precautions

1.2.3 Handling Precautions

The following instructions are for your own personal safety, to avoid injury and so as not to damage the printer

(1)Ensure the printer is installed on a level surface, capable of supporting its weight. Failure to do so could cause the printer to tip or fall.

(2)The printer contains many rollers, gears and fans. Take great care to ensure that you do not catch your fingers, hair or clothing in any of these rotating devices.

(3)Do not place any small metal objects, containers of water, chemicals or other liquids close to the printer which if spilled could get into the machine and cause damage or a shock or fire hazard.

(4)Do not install the machine in areas with high dust or moisture levels, beside on open window or close to a humidifier or heater. Damage could be caused to the printer in such areas.

(5)Do not place candles, burning cigarettes, etc on the printer, these could cause a fire.

1.2.4 Assembly / Disassembly Precautions

Replace parts carefully, always use Samsung parts. Take care to note the exact location of parts and also cable routing before dismantling any part of the machine. Ensure all parts and cables are replaced correctly. Please carry out the following procedures before dismantling the printer or replacing any parts.

(1)Check the contents of the machine memory and make a note of any user settings. These will be erased if the mainboard or network card is replaced.

(2)Ensure that power is disconnected before servicing or replacing any electrical parts.

(3)Disconnect printer interface cables and power cables.

(4)Only use approved spare parts. Ensure that part number, product name, any voltage, current or temperature rating are correct.

(5)When removing or re-fitting any parts do not use excessive force, especially when fitting screws into plastic.

(6)Take care not to drop any small parts into the machine.

(7)Handling of the OPC Drum

-The OPC Drum can be irreparably damaged if it exposed to light.

Take care not to expose the OPC Drum either to direct sunlight or to fluorescent or incandescent room lighting. Exposure for as little as 5 mins can damage the surface’s photoconductive properties and will result in print quality degradation. Take extra care when servicing the printer. Remove the OPC Drum and store it in a black bag or other lightproof container. Take care when working with the covers(especially the top cover) open as light is admitted to the OPC area and can damage the OPC Drum.

-Take care not to scratch the green surface of OPC Drum Unit.

If the green surface of the Drum Cartridge is scratched or touched the print quality will be compromised.

Service Manual

Precautions

1.2.5 Disregarding this warning may cause bodily injury

(1)Take care - some parts may be hot.

The fuser unit works at a high temperature. Use caution when working on the printer. Wait for the fuser to cool down before disassembly.

(2)Take care not to trap fingers or hair.

Take care when using a printer. It contains many rotating parts. Ensure that fingers, hair, clothing etc. do not become caught in the mechanism as this could cause injury.

(3)When you move the printer.

This printer weighs 32kg including toner cartridge and cassette. Use safe lifting and handling techniques. Use the lifting handles located on each side of the machine. Back injury could be caused if you do not lift carefully.

(4)Ensure the printer is installed safely.

The printer weighs 32Kg, ensure the printer is installed on a level surface, capable of supporting its weight. Failure to do so could cause the printer to tip or fall possibly causing personal injury or damaging the printer.

(5)Do not install the printer on a sloping or unstable surface. After installation, double check that the printer is stable.

Service Manual

Precautions

1.3 ESD Precautions

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” components.

The techniques outlined below should be followed 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 precautions.

1.Immediately before handling a semiconductor component or semiconductor-equipped assembly, drain off any electrostatic charge on your body by touching a known earth ground. Alternatively, 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.

2.After removing an electrical assembly equipped with ESDs, place the assembly on a conductive surface, such as aluminum or copper foil, or conductive foam, to prevent electrostatic charge buildup in the vicinity of the assembly.

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

4.Use only an “anti-static” solder removal device. Some solder removal devices not classified as “anti-static” can generate electrical charges sufficient 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 protective packaging until immediately before installing 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 replacement 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 unpackaged replacement ESDs. Normal motions, such as the brushing together of clothing fabric and lifting one’s foot from a carpeted floor, can generate static electricity sufficient to damage an ESD.

1.4 Super Capacitor or Lithium Battery Precautions

1.Exercise caution when replacing a super capacitor 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 manufacturers.

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 manufacturer’s instructions.

Service Manual

Precautions

MEMO

Service Manual

Reference Information

22. Reference Information

This chapter contains the tools list, list of abbreviations used in this manual, and a guide to the location space required when installing the printer. A definition of tests pages and Wireless Network information definition is also included.

2.1 Tools for Troubleshooting

The following tools are recommended safe and easy troubleshooting as 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).

•Tweezers

Standard : For general home use, small type.

•Cotton Swab

Standard : For general home use, for medical service.

•Cleaning Equipments

Standard : An IPA(Isopropyl Alcohol)dry wipe tissue or a gentle neutral detergent and lint-free cloth.

• Vacuum Cleaner

• Brush

• Software (Driver) installation CD ROM

Install Driver CD

Network S/W CD

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Samsung Electronics

Reference Information

2.2 Acronyms and Abbreviations

The table below explains the abbreviations and acronyms used in this service manual. Where abbreviations or acronyms are used in the text please refer to this table.

ADC	Analog-to-Digital-Conversion
AP	Access Point
AC	Alternating Current
ASIC	Application Specific Integrated
Circuit
ASSY	Assembly
BIOS	Basic Input Output System
BLDC Motor	Brushless DC Motor
CLBP	Color Laser Beam Printer
CMOS	Complementary Metal Oxide
	Semiconductor
CMYK	Cyan, Magenta, Yellow, Black
CN	Connector
CON	Connector
CPU	Central Processing Unit
CTD Sensor	Color Toner Density Sensor
dB	Decibel
dBA	A-Weighted decibel
dBm	Decibel milliwatt
DC	Direct Current
DCU	Diagnostic Control Unit
DIMM	Dual In-line Memory Module
DPI	Dot Per Inch
DRAM	Dynamic Random Access Memory
DVM	Digital Voltmeter
ECP	Enhanced Capability Port
ECU	Engine Control Unit
EEPROM	Electronically Erasable
	Programmable Read Only Memory
EMI	Electro Magnetic Interference
EP	Electro photographic

EPP	Enhanced Parallel Port
F/W	Firmware
FCF/FCT	First Cassette Feeder/First
	Cassette Tray
FISO	Front-In, Side-Out
FPOT	First Print out Time
GDI	Windows Graphic Device Interface
GIF	Graphic Interchange Format
GND	Ground
HBP	Host Based Printing
HDD	Hard Disk Drive
HTML	Hyper Text Transfer Protocol
HV	High Voltage
HVPS	High Voltage Power Supply
I/F	Interface
I/O	Input and Output
lb	Pound(s)
IC	Integrated Circuit
ICC	International Color Consortium
IDE	Intelligent Drive Electronics or
	Integrated Drive Electronics
IEEE	Institute of Electrical and
	Electronics Engineers. Inc
IOT	Image Output Terminal (Color print-
	er, Copier)
IPA	Isopropy Alcohol
IPC	Inter Process CommunicationEPP
	Enhanced parallel Port
IPM	Images Per Minute
ITB	Image Transfer Belt
LAN	local area network
LBP	Laser Beam Printer

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Samsung Electronics

Reference Information

LCD	Liquid Crystal Display
LED	Light Emitting Diode
LSU	Laser Scanning Unit
MB	Megabyte
MHz	Megahertz
MPBF	Mean Prints Between Failure
MPF/MPT	Multi Purpose Feeder/Multi
	Purpose Tray
NIC	Network Interface Card
NPC	Network Printer Card
NVRAM	Nonvolatile Random Access
	Memory
OPC	Organic Photo Conductor
PBA	Printed Board Assembly
PCL	Printer Command Language ,
	Printer Control Language
PCI	Peripheral Component
	Interconnect by Intel 1992/6/22, is
	a local bus standard developed by
	Intel and introduced in April, 1993 :
	A60, B60 Pins
PCL5Ce	Printer Command Language 5Ce-
	Color
PCL6	Printer Command Language 6
PDF	Portable Document Format
PDL	Page Description Language
Ping	Packet internet or Inter-Network
	Groper
PPD	Postscript Printer Discription
PPM	Page Per Minute
PS	Post Script
PS3	Post Script Level3
PTL	Pre-Transfer Lamp

PWM	Pulse Width Moduration
Q’ty	Quantity
RAM	Random Access Memory
RCP	Remote Control Panel
ROM	Read Only Memory
SCF/SCT	Second Cassette Feeder/Second
	Cassette Tray
SMPS	Switching Mode Power Supply
SPGP	Samsung Printer Graphic
	Processor
SPL	Samsung Printer Language
SPL-C	Samsung Printer Language-Color
Spool	Simultaneous Peripheral Operation
	Online
SRS	Software Requirment Specification
SURF	Surface Rapid Fusing
SW	Switch
sync	Synchronous or Synchronization
T1	ITB
T2	Transfer Roller
TRC	Toner Reproduction Curve
PnP	Universal Plug and Play
U.I.	User Interface
URL	Uniform Resource Locator
USB	Universal Serial Bus
VCCI	Voluntary Control Council for
	Interference Information
	Technology Equipment
WECA	Wireless Ethernet Compatibility
Alliance
Wi-Fi	Wireless Fidelity

Service Manual

Samsung Electronics

Reference Information

for the printer

trays, covers, and allow for proper ventilation. (see diagram

of air conditioners, heaters, or ventilators of temperature, sunlight, or humidity

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Samsung Electronics

Reference Information

2.4 A4 ISO 19752 Standard Pattern

This test page is reproduced at 70% of the normal A4 size

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Samsung Electronics

Reference Information

2.5 Wireless LAN

•This product can be used with a wireless LAN, (this is an option.)

-The wireless LAN function uses radio technology, instead of using LAN cable, to connect to an access point for printing.

-For a wireless LAN connection in Infrastructure mode an AP is needed, (purchased separately)

-For a wireless LAN connection in Ad-Hoc mode an appropriate Wireless I/F card is required fitted to a computer, (purchased separately)

-It is possible to use a wireless LAN connection with wired LAN.

-If an AP is installed in an office or at home, the wireless LAN function can be simply configured and used.

•Types of desk top PC (or Lap top) that uses the wireless LAN.

	Division	Basic type	Recommend type
	CPU	Over PENTIUM 233M	PENTIUM 300MHz
	MEMORY	Over 64MB	Over 128MB
	VIDEO CARD	Over 800X600	Over 1024X768
	OS	Over WINDOWS 98	Over WINDOWS ME
	INTERFACE CARD	A product has a certificated mark of Wi-FiTM

•About the certificated mark of Wi-FiTM

-Wi-FiTM is a registered trademark of the WECA (Wireless Ethernet Compatibility Alliance). Over 50 wireless LAN companies are member of

this organisation. Most of the main wireless networking companies are attending including such companies as Lucent Technologies, Cisco, Intel/Symbol, 3Com, Enterasys (Cabletron), Compaq, IBM, Nokia, Dell, Philips, Samsung Electronics, Sony, Intersil, etc.. This mark certifies mutual compatibility amongst the product of these companies. Wi-FiTM (IEEE 802.1) is certified as a standard of the wireless LAN market.

Service Manual

Samsung Electronics

Specifications

33. Specifications

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

3.1 General Specifications

Items				Descriptions
Print Method	Non-impact Electro-photography
Developing system	Non-Magnetic, Mono-Component Developing System
*Print Speed	Mono		Up to 24 PPM in A4, Up to 25 PPM in Letter size
	Color		Up to 6 PPM in A4, Up to 6 PPM in Letter size
Resolution	Up to 1200 DPI effective output, True 600 X 600dpi
Source of Light	Laser diode (LSU : Laser Scanning Unit)
Warm-Up Time	More than 99 sec
First Print Time	Mono		15 seconds (Ready to 1st page out)
	Color		24 seconds (Ready to 1st page out)
Feed Method	Cassette , MPT(Multi Purpose Tray), SCT(Second Cassette Tray)
Media Size	76 X 128mm (3 x 5”) to 216 X 356mm (8.5 X 14”)
Media Thickness	Cassette : 16 ~24 lb , MPT : 16 ~ 43 lb
Dimension (W X D X H)	510 X 470 X 405 mm
Weight	Net		25.5 Kg	56.2Lbs
	Gross		32.0 Kg	70.5Lbs
**Acoustic Noise	Stand by		More than 40 dBA-TBD
	Printing		More than	48 dBA (Color)-TBD
Power save mode	Available, Setting : 5min/10min/15min/30min/45min/60min/120min
Toner save mode	Disable
Machine Life	Mono : More than 300,000 pages, Color : More than 75,000 pages

*Print speed will be affected by Operating System used, computing performance, application software, connecting method, media type, media size and job complexity.

*OHP/Cardstock/Envelope : Half Speed

**Sound Pressure Level, ISO 7779

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Samsung Electronics

Specifications

3.2 Controller Specification

Items			Descriptions
Processor (CPU)		Samsung SPGPm (CLOCK SPEED 120Mhz), 32-bit RISC core (ARM 946ES)
Memory		FLASH ROM (PROGRAM) : 8MB flash
		*RAM : 64MB (Expandable to 320MB : With Option
		Option DIMM module : 64/128/256MB
		100Pin SDRAM DIMM (Samsung Printer Only)
		EEPROM (NVRAM) : 1024bytes
Emulation		SPL-Color
Operating System		Win 95/98/ME/NT4.0/2000/XP, Various Linux OS including Red Hat, Caldera, Debian,
		Mandrake, Slackware, SuSE and Turbo Linux
Interface		Parallel : IEEE 1284 Bidirectional (Korea, Russia, Asia only)
		- Modes supported : Compatible, Nibble, Byte, ECP
		USB (without HUB mode)
		- USB 2.0 compliant	-12/480 Mbps 1 port
		Network Interface
		- 10/100 Base TX
		10/100 Base TX + 802.11b Wireless LAN
Interface switching		Automatic
Interface time-out		5min (Max.)
Font		Windows font, PS english font, PCL english font
Color Management		ICC ICM V3.4

*Memory Slots : Standard Capacity is 64MB Option Capacity is 320MB (Max) (100Pin 1 slot, 64MB/128MB/256MB)

3.3 Electrical Specification

Items		Descriptions		Remarks
Input Voltage	Nominal input voltage		200-240 VAC / 100~127VAC
	Input voltage range		180-264 VAC/ 90~132VAC
	Nominal frequency		50/60 MHz
	Frequency tolerance		+3Hz
Power Consumption	Printing :450W max (with SCF)
	Power Save : 35W max

3.4 Environmental Range

Items		Operating		Storage
Temperature	15~32.5 ˚C(50-90 ˚F)		-20~40 ˚C (-4~104 ˚F)
Humidity	20~80%RH		10~80%RH

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Samsung Electronics

Specifications

3.5 Consumable & Maintenance Items

Items			Descriptions			Remarks
Periodic Replacing Parts		Toner Cartridge(Black)	initial (3,000 pages@5% coverage)			User replace
			replacement (7,000 pages@5% coverage)
		Toner Cartridge(Cyan)	initial (2,000 pages@5% coverage)			User replace
			replacement (5,000 pages@5% coverage)
		Toner Cartridge(Magenta)	initial (2,000 pages@5% coverage)			User replace
			replacement (5,000 pages@5% coverage)
		Toner Cartridge(Yellow)	initial (2,000 pages@5% coverage)			User replace
			replacement (5,000 pages@5% coverage)
		OPC Unit	mono : 50,000 pages			User replace
			color : 12,500 pages
		ITB Unit(T1 Roller)	mono : 50,000 pages			User replace
			color : 12,500 pages
		Waste Toner Tank	3,000 images			User replace
		Fuser Unit	simplex : 100,000 page (Mono)			Engineer
			duplex : 50,000 page
		Transfer Roller(T2 Roller)	simplex : 50,000 page			Engineer
			duplex : 25,000 page
Option		SCT	- Paper capacity : 500sheets
		(Second Cassette Tray)	- Paper weight : 60 ~ 90 g/m2 / 16 ~ 24 lbs
		Network Printing	- Ethernet 10/100baseTX + Wireless
			- Protocols : TCP/IP, SPX/IPX, Ethertalk, SNMP, HTTP
			1.1, DLC/LLC
			- 8MB RAM Buffer for faster graphics performance
			- 4MB Flash Memory for upgrade
		802.11b Wireless LAN	- IEEE802.3b support
			- speed : 11, 5.5, 2 ,1Mbps
			- WEP : 64bit, 128bit
			- Operating range : 30m(Indoors) , 100m(Outdoors)
		SDRAM DIMM	- 64,128MB, 256MB 100Pin SDRAM DIMM(Use Samsung
			Part Only)

Service Manual

Samsung Electronics

Specifications

3.6 Paper handling Specifications

3.6.1 input Paper Size

Paper		Paper size		1st Cassette	2nd Cassette	MP tray	Duplex
A4	210 X 297 mm			O	O	O	O
Letter	216 X 279		(8.5 X 11")	O	O	O	O
Folio (Legal13")	216	X 330	(8.5 X 13")			O	O
Legal (Legal14")	216	X 356	(8.5 X14")			O	O
Executive	184	X 267	(7.25 X10.5")			O
Statement	140	X 216(5.5 x8.5")				O
ISO B5	176 X 250					O
JIS B5	182 X257					O
A5	148.5 X 210					O
A6	105 X148.5					O
Com-10 Envelope	105 X 241		(4.15 X 9.5")			O
Monarch Envelope	98 X191 (3.87 X 7.5")					O
DL Envelope	110 X 220(4.33 X 8.66")					O
C5 Envelope	162 X 229		(6.38 X 9.01")			O
C6 Envelope	114 X 162 (4.49 X 6.38")					O
Transparency (OHP)	A4 or Letter					O
Label paper	A4 or Letter					O

O : Supported

3.6.2 Input Capacity

Items		Descriptions		Remarks
Cassette(FCT)	250 sheets
MP tray	Paper		100 sheets
	Transparencies		30 sheets
	Envelopes		10 sheets
	Labels		10 sheets
Option Cassette(SCT)	500 sheets

3.6.3 Output Capacity

Items	Descriptions	Remarks
Face Down	250 sheets

Service Manual

Samsung Electronics

Summary of product

44. Summary of Product

This chapter describes the functions and operating principles of the main components.

4.1 System Structure

4.1.1 Main Parts of System

				Deve Cover					HVPS
SCT	ASSEFCT		LSU	Cyan- .DEV	Magenta- .DEV	Yellow- .DEV	Black- .DEV
SCF
SCF								PTLPTL
Path						OPC		Unit ITB		UnitUnitEXITEXIT
up-Pick Roller	Roller	up-Pick		Lamp Eraser					Unit Fuser
		Feeder				DUPLEX	Roller T2
		Roller	up-Pick
MPTF			PathMPF

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Samsung Electronics

Summary of Product

>> Front View

Panel PBA

Deve OEM

PBA

Waster Toner Sensor

Waster Toner Motor

>> Rear View

Deve Drive

Deve Drive PBA

Fan

	Main Drive	Deve Cover
		Open S/W
Duplex Cover	SMPS
Open S/W

Main Conrtoller PBA

Service Manual

Samsung Electronics

Summary of product

1) OPC Unit

Images are created on the OPC unit using an electro-photographic process. The unit consists of:-

* OPC Drum
* Waste Toner Ass'y	used to collect waste toner remaining on the OPC drum,
* Charge Roller Assy
2) ITB Unit

ITB stands for Image Transfer Belt. An image developed on the OPC Drum is transferred first to the ITB. This is called the T1 Transfer (Primary Image Transfer).

Images are built up in layers on the ITB.

First the Yellow (Y) colour image is created on the OPC and transferred to the ITB Next the Magenta (M) colour image is created on the OPC and transferred to the ITB Followed by the Cyan (C) and Black (K) images.

3) Transfer Roller

Once the complete, full colour, image, has been built up on the ITB the Transfer Roller is used to transfer the image onto paper. This is called the T2 Transfer (Secondary Image Transfer)

4) FCT (First Cassette Tray)

It stores and automatically feeds print paper.

Pick-up Roller picks up paper, controls drive, feeds paper, removes static electricity, and so on.

> Spec.

*Paper arrange way : Side Registration

*Paper Direction : FISO (Front-in, Side-Out)

*Cassette Type : A4, Ltr

*Paper Discharge : Separation Claw

*Capacity : 250 Sheets (Standard paper 75mg/m? 20lb)

*Paper Size : A4, Letter

*Paper Weight (average) : 60~90g/m2 (16~24lbs)

*Paper Type : General Printing Paper

*Additional Function : Paper Empty Sensor

5)SCT (Second Cassette Tray)

This additionally stores and automatically feeds printing paper. Its function is the same as the FCT (First Cassette Tray)

> Spec.

*Paper arrangement : Side Registration

*Paper Direction : FISO (Front-in, Side-Out)

*Cassette Type : A4, Ltr

*Paper Discharge : Separation Claw

*Capacity : 500 Sheets (Standard paper 75mg/m2 20lb)

*Paper Size : A4, Letter

*Paper Weight (average) : 60~90g/m2 (16~24lbs)

*Paper Type : General Printing Paper

*Additional Function : Paper Empty Sensor

Service Manual

Samsung Electronics

Summary of Product

6) MPT (Multi Purpose Tray)

The Multi-Purpose Tray not only feeds general printing paper but is also used for many other kinds of paper such as those paper sizes not supported by the cassette, envelopes, OHP, etc.

> Spec.

*Capacity : Cut Sheet : 100 Sheets (Standard paper 75mg/m2 20lb)

*OHP : 300 Sheets

*Envelope & Label & Card Stock : 10 Sheets

*Paper Arrangement : Side Registration

*Power : Main Motor (BLDC)

*Driving Management : Solenoid

*Paper Discharge : Friction Pad Method

*Paper Size : Legal, Folio, A4, Letter, Executive, JIS B5, A5, A6

*Paper Weight (Average) : 60~163g/m2

*Paper Type : General, Label, Post Card, Transparency, Envelope, Card Stock (Tracing

Paper is not served)

* Additional Function : Paper Empty Sensor

7) Feeder

* Paper Arrangement : Side Registration.

* Power : Main Motor (BLDC)

* Paper Management : Solenoid

8) Duplex Unit

The Duplex Unit is used to reverse feed paper when printing on the second side (known as Double sided or Duplex printing). The Duplex Unit is not an optional extra, it is built-in at manufacturing time and is integral with the Transfer Roller.

> Spec.

* Power : Main Motor (BLDC)

* Paper Reverse Function: After the front side of the original document is printed, it is transferred to the duplex unit in order to print the reverse side of original document. The motor drives the exit roller in the reverse direction to feed the paper back into the machine.

9) Exit Unit

The Exit Unit guides paper that is just about to leave the print engine. Printed-paper is discharged by the Exit Roller and Kicker into the Output Tray.

> Spec.

*Capacity : 250 sheets (Standard A4, 75g/m2)

*Paper Direction : Face Down

*Exit Drive Roller : It is driven by Main Motor (BLDC), and it rotates clockwise for normal feed and antic-clockwise when reverse feeding for duplex printing.

*Bin Full Sensor : There is no Bin Full sensor fitted on this model.

10)Toner Cartridge

There are four toner cartridges, each containing a different colour ink : C (Cyan), M (Magenta), Y (Yellow) , and K (Black).

Each one of these toner cartridge is independent and can be changed independently.

11) Fuser Unit

This unit consists of 2 Heat Lamps, 2 Heat Rollers, 2 Thermostats and a Thermister. It melts and fuses the toner, transferred by the transfer roller onto the paper, by applying pressure and high temperature to complete printing job.

12) LSU

This is a core part of LBP. It forms a latent image on the surface of OPC drum using a static charge.

* Resolution: Real 600 dpi

Service Manual

Samsung Electronics

Summary of product

13) Main Drive Unit

This motor drives, by way of a gearbox, the OPC unit, ITB unit, feeder unit, fuser unit, exit unit and duplex unit.

> Spec.

*Power : 20W Max (24V)

*Drives : OPC unit, ITB unit, Fuser, Feeder, Duplex unit, Exit unit

14)DEVE Drive Unit

This motor drives, by way of a gearbox, the toner cartridges and ITB cleaning cam.

> Spec.

*Power : 20W Max (24V)

*Drives : DEV (4 Color)/ITB Cleaning)

15)SMPS (Switching Mode Power Supply)

This power supply uses the AC supply voltage to generate the DC voltages used by the system. The SMPS has 4 output channels (+3.3V, +5V, +24V, +24VF).

The AC Heater Control Unit that supplies power to the fuser is also located on the SMPS.

16) HVPS (High Voltage Power Supply)

The HVPS creates the high voltages (Charger, Supply, T1, T2, Developer) used for the electro photographic process. The high voltage is created from the 24V line from the SMPS. High Voltage output is supplied to the toner cartridge, OPC drum unit, ITB unit, and Transfer roller.

17) Main Controller PBA

The Main controller PBA is very important as it is the heart of printer. It has several major function blocks.

*CPU and SPGPm Block: This manages the printing order from the host, creates bitmap data for the engine to print and controls various devices that are needed to operate the printer.

*Engine Control Block: This manages images and controls various kinds of I/O

*Memory Block : The operating system uses this to store video data and printing orders given by host.

*ROM Block : The printer OS and PDL Interpreter are stored here.

*In addition there are USB 2.0 Block, IEEE 1284 Block, Option Block, OPE Panel, etc.

18)DEVE Drive PBA

Each toner cartridge requires the HV Supply only when that colour image is being processed. This unit takes its HV source from the HVPS and using 4 solenoids selects which cartridge is to receive the Supply voltage. This section also contains the DEVE motor, DEVE clutch, and DEVE solenoid drives. These are activated in sequence as required by the printing process.

19) DEVE OEM PBA

This detects new or used toner cartridges and also checks that cartridges are approved parts. If a toner cartridge is not suitable for the machine an error message is displayed.

20) Waste Toner Ass’y

A cleaner blade on the OPC unit cleans waste toner from the OPC drum after every image is transferred to the ITB. Once the complete image is transferred from the ITB onto paper the ITB Cleaning Solenoid activates and a cleaning blade removes waste toner from the ITB. Waste toner is transferred to the waste toner tank.

The error message "Waste Toner Tank Full/ Not Install" is indicated on the LCD Panel. Replace the Waste Toner Tank immediately or the printer may be damaged

Service Manual

Samsung Electronics

Summary of Product

4.1.2 Motor & Fan Layout

1. Main Motor

2. DEVE Motor

Fan

4. Waste Toner Motor

NO.	Name	Description
1	Main Motor	Drives the OPC unit, ITB unit, feeder unit, fuser unit, exit unit and
		duplex unit.
2.	DEVE Motor	Drives C, M, Y and K toner cartridges and ITB cleaning cam.
3.	Fan	Forces cold air into the printer and takes out heat from the fuser.
4.	Waste Toner Motor	Transfers collected waste toner from the OPC drum and ITB to the
		waste toner tank. (Refer to front view picture on 4-2 page)

Service Manual

Samsung Electronics

Summary of product

14.1.3 Clutch & Solenoid Layout

Duplex Solenoid

T2 Home Solenoid

ITB Cleaning

Solenoid

Cartridge Solenoid(C, K,M, Y,, M)K)

Black Deve

Clutch

Yellow Deve Clutch

Magenta Deve Clutch

Cyan Deve Clutch

Feed Regi

Clutch

	MP Pick_up	Pick_up Solenoid
	Solenoid
>>Solenoid
NO.	Name	Description
1.	C DEVE solenoid	Controls the High Voltage supply to the cyan cartridge.
2.	K DEVE solenoid	Controls the High Voltage supply to the black cartridge.
3.	Y DEVE solenoid	Controls the High Voltage supply to the yellow cartridge..
4.	M DEVE solenoid	Controls the High Voltage supply to the magenta cartridge.
5.	Pick-up solenoid	Controls the pick-up roller drive.
6.	MP Pick-up solenoid	Controls the MP pick-up roller drive.
7.	Duplex solenoid	When operating in duplex print mode, this reverses the direction
		of paper feeding to feed paper into the duplex unit.
8.	T2 Home solenoid	This forces the transfer roller into contact with the ITB unit.
9.	ITB cleaning solenoid	This brings the cleaning blade into contact with the ITB unit

Service Manual

Samsung Electronics

Summary of Product

>>Clutch

NO.	Name	Description
1.	Yellow DEVE clutch	Controls Yellow color toner cartridge drive
2.	Magenta DEVE clutch	Controls Magenta color toner cartridge drive
3.	Cyan DEVE clutch	Controls Cyan color toner cartridge drive
4.	Black DEVE clutch	Controls Black color toner cartridge drive
5.	Feed Regi. Clutch	Controls the location of picked-up paper

4.1.4 Sensor & Micro S/W Layout

NO.	Name	Description
1.	Paper Empty Sensor(FCT)	This sensor detects paper in the first (main) cassette.
2.	Paper Empty Sensor(SCT)	This sensor detects paper in the second (optional) cassette.
3.	Paper Empty Sensor(MPT)	This sensor detects paper in the multi-purpose tray.
4.	Feed Sensor	This sensor must operate within a certain time after paper pick-
		up otherwise a JAM is detected
5.	ITB Home Sensor	This detects the position of the image transfer belt, and in
		dicates the start location for image writing. It is used to ensure
		that all 4 colour images are correctly registered.
6.	Waste Toner Sensor	This detects whether the waste toner tank is mounted or not and
		the amount of waste toner in the tank.
7.	Exit Sensor	This detects whether printing paper is discharged or not.
8.	DEVE Cover Open S/W	This detects the open/closed status of the DEVE Cover.
9.	Duplex Cover Open S/W	This detects the open/closed status of the Duplex Cover.

Note: * ITB Home Sensor is located in the ITB unit. If it develops a fault replace the ITB unit.

*Please, refer to the Chap. 7 Arrangement and Adjustment, "Paper Path diagram", for the location of the paper empty sensor, feed sensor, and exit sensor.

*Please, refer to page 4-2 for the location of the waste toner sensor, DEVE cover open S/W, and duplex cover open S/W.

Service Manual

Samsung Electronics

Summary of product

4.1.5 Main Controller PBA

TH3 CN15

WASTE TONER & EXIT CN17

DUPLEX CN24

T2 HOME CN26

BLDC1 CN27

TH1 CN28

FUSER_FAN CN29

SMPS CN30

MP_EMPT CN31

MP SOL CN32

FEED CN33

PICK_UP CN25

CLT_FEED CN23

EMPT CN21

CN11 PTL & TH4		CN7	HVPS
CN35 SOL_ITB_CLN		CN37	OEM_CONN
CN38 BLDC2	CN10 ITB	CN4	PANEL

CN9 NIC

Option : NIC

LAN

USB

CN1 For Test

CN16 SCF	CN12	CN5	DEVE_DRIVER
		LSU
CN6	OPC KEY	CN14	LSU SW

Service Manual

Samsung Electronics

Summary of Product

U36		OSC3
(Counter Memory)		23.8807368MHz

	LPEC1	DIMM
	(ENGINE CONTROL)

	OSC2 12MHz		FLASH MEMORY
	(Reserved)

OSC1

12MHz

RAM	SPGPm
	Main Control

Service Manual

Samsung Electronics

Summary of product

Flash Memory

NPC / (W-LAN)

Optional

LPEC1

2MB

Full Function

Engine

SDRAM

Control

SPGPm

64MB

Block

SDRAM DIMM

5 pin UART

34MB~128MB

Panel

EEPROM

USB 2.0

16x2 LCD

4k bit

1) CPU BLOCK

This is the heart of the machine. A 120MHz - 32bit RISC processor is used to manage commands and data supplied by the host. This is converted into a bitmap image which is passed to the engine block for printing. The CPU is also used to control various other devices e.g. the USB 2.0 Interface chip.

2) SPGPm overview

*Package

-272 pins PBGA

*Power

-1.8V(Core), 3.3V(IO) power operation

-P1284 inputs : 5V tolerant

*Speed

-120MHz core(ARM946ES) operation, 60MHz bus operation

-Supportable Engine Speed : under 30ppm

*Dual bus architecture for bus traffic distribution

-AMBA High performance Bus (AHB)

-System Bus with SDRAM

*Integrated ARM946ES

-32-bit RISC embedded processor core

-16KB instruction cache and 16KB data cache

-No Tightly Coupled Memory

-Memory Protection Unit & CP15 control program

Service Manual

Samsung Electronics

Summary of Product

*Direct connection up to 4 Flash ROM banks

-Burst capability

-Programmable timing per bank

-Up to 16MB address per bank (Limited to 8MB per bank when nDREQ0 is enabled)

*Direct connection up to 6 I/O banks & 4 DMA I/O banks

-Programmable timing per bank

-Programmable recovery timing per bank for slow devices

-Up to 16MB address per bank (Limited to 8MB per bank when nDREQ0 is enabled)

*Direct connection up to 5 SDRAM arrays

-SDRAM controller supports PC-66, PC-100 and PC-133 SDRAMs running at 60MHz

-Up to 128MB per array, up to 512MB totally

-Wide support of various SDRAM configurations, including programmable band and column address

-Programmable SDRAM refresh time interval

*4 General Purpose DMA controllers

-Extensible architecture allows peripheral devices such as scan devices to have access to SDRAM arrays through DMA channels

-8bits, 16bits and 32bits Data Transfer Modes are supported

-IO to Memory, Memory to IO, Memory to Memory transfer support

*IEEE1284 compliant parallel port interface

-Compatible ECP communications are supported

-Direct support for IEEE1284 compliant data transceivers

*RSH

-Fully Hardware Rotator, Scaler and Halftoner support

-Variable Image Scaler and Image Halftoning Unit for PCL6

-Pattern & Gamma Table Memory : 1024 x 8, 256 x 8 x 4

*Graphic Execution Unit for Banding support of Printer Languages

-Support up to 256 Bit Block Transfer

-Scan Line Transfer

-Polygon Filling

-Enhanced Graphic Order

*Compression / Decompression

-CODEC : Simplified JBIG algorithm for band compression / decompression

-HCT : Halftone Compression Technology (Byte Run-Length Type)

-Independent use of both Codec, but enabling only one Codec is desirable for bus traffic

*UART

-3 Independent Full Duplex UART channels

-Max 16 bytes FIFO to handle SIR Bit Rate Speed

-DMA support for RX and TX of Channel0

*Printer Video Controller for LBP engines

-20MHz video rate are targeted

-Two different kinds of Printer Video Controller (Selected by Software)

-PVC : Printer Video Controller without RET Algorithm

-HPVC : Printer Video Controller with RET algorithm

(Line Memory & Lookup Table Memory : 512 x 8 , 4096 x 16)

-High performance DMA based Interface to Printer Engine

-Engine Controller

-Motor Control Unit

-Motor Speed Lookup Table Memory (128 x 16 x 2)

-Pulse Width Modulation Unit

-4 Channels are supported

-ADC Interface Unit

-3 ADC Channels are available

-ADC Core (ADC8MUX8) maximum clock frequency : 3 MHz

-Coversion time : 4.3us (@3MHz)

-LSU Interface Unit

Service Manual

Samsung Electronics