Samsung ML-1665 Service Manual

Service ManualLaser PrinterML-1660/16651. Speed • Up to 16 ppm in A4 (17 ppm in Letter)2. Processor • Jupiter4e 150 MHz3. Printer Language •

PrecautionsService Manual1-5Samsung Electronics1.3 ESD precautionsCertain semiconductor devices can be easily damaged by static electricity. Such comp

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System DiagramService Manual5-1Samsung Electronics5. System Diagram5.1 Block Diagram E4retipuJzHM051 : eroCCSIR tib23-T049MRArevoC POThctiwS orciMSV42

System DiagramService Manual5-2Samsung Electronics5.2 Connection DiagramtinU RESUFtatsomrehTrotsimrehTrevoC POThctiwS orciMniaMrotoMTMPETSYTPMErosneSe

Product spec and featureService Manual2-1Samsung Electronics2.1 Product Specications2.1.1 Product Overview2. Product spec and feature1. Speed • Up

Reference InformationService Manual6-1Samsung Electronics6. Reference InformationThis chapter contains the tools list, list of abbreviations used in t

Reference InformationService Manual6-2Samsung Electronics6.2 Acronyms and AbbreviationsThe table below explains abbreviations used in this service man

Reference InformationService Manual6-3Samsung ElectronicsMIB Management Information BaseMIME Multipurpose Internet Mail ExtensionsMR Modied Read

Reference InformationService Manual6-4Samsung ElectronicsELA HOU-SCANNER ASS’Y ELA=Electrical Assembly, HOU =HousingMEA UNIT-COVER PA EXIT ASS’Y ME

Reference InformationService Manual6-5Samsung ElectronicsSPECIAL SCREW(PANNEL MFP) MFP =Multi-Functional PeripheralA/S MATERAL-DUMMY UPPER ASS’Y A/S

Reference InformationService Manual6-6Samsung ElectronicsSPRING CS RE CS=Compress RE=Rear SPRING CS FR CS=Compress FR=Front PMO-BUSHING FINGER, F

Reference InformationService Manual6-7Samsung ElectronicsGEAR-EXIT/U,ID U=Upper ID=Idler IPR-TERMINAL FU FU=FuserPMO-BEARING H/R-F H/R-F=Heat Roll

Reference InformationService Manual6-8Samsung Electronics6.3 The Sample Pattern for the TestThe sample pattern shown in below is the standard pattern

Reference InformationService Manual6-9Samsung Electronics6.4 Selecting a locationSelect a level, stable place with adequate space for air circulation.

Product spec and featureService Manual2-2Samsung Electronics2.1.2 Specications• Product Specications are subject to change without notice. See below

Product spec and featureService Manual2-3Samsung ElectronicsItems Specifi cationWireless Network Protocol N/ASupporting OS N/AApplication Smart Panel S

Product spec and featureService Manual2-4Samsung Electronics2.1.2.4 ConsumablesItems SpecicationToner Cartridge Black Initial : Average Cartridge Yie

Product spec and featureService Manual2-5Samsung Electronics2.1.2.7 Environment Items Specifi cationOperating EnvironmentTemperature 10C to 32CHumidity

Product spec and featureService Manual2-6Samsung Electronics2.1.2.9 Options Items SpecicationMemory N/ASecond Cassette N/AWired Network N/AWireless N

Product spec and featureService Manual2-7Samsung Electronics2.1.3 Model Comparison TableSamsung ML- 1660 SamsungML- 2240HP P1505nImageSpeed 16 ppm (A4

Product spec and featureService Manual2-8Samsung Electronics2.2 System OverviewThis chapter describes the functions and operating principal of the mai

Product spec and featureService Manual2-9Samsung Electronics2.2.2 Rear ViewThis illustration may differ from your machine depending on its model.1 US

ⓒ Samsung Electronics Co.,Ltd. December. 2009 Printed in Korea. VERSION NO. : 1.00 CODE : 1660-00000EGSPN (Global Service Partner Network)No

Product spec and featureService Manual2-10Samsung Electronics2.2.3 System LayoutThis model is consisted of the Engine parts and F/W, and said engine

Product spec and featureService Manual2-11Samsung Electronics2.2.3.1 Feeding PartIt is consists of a basic cassette, an MP tray for supplying differen

Product spec and featureService Manual2-12Samsung Electronics2.2.3.2 Transfer Roller - The transfer roller delivers the toner of the OPC drum to the

Product spec and featureService Manual2-13Samsung Electronics2.2.3.4 FuserIt is consisted of a halogen lamp, heat roller, pressure roller, thermistor

Product spec and featureService Manual2-14Samsung Electronics6) Items for safety Protecting device for overheating - 1st protection device: Hardw

Product spec and featureService Manual2-15Samsung Electronics2.2.3.5 LSU (Laser Scanner Unit)It is the core part of the LBP which switches from the vi

Product spec and featureService Manual2-16Samsung Electronics2.2.3.6 Toner CartridgeBy using the electronic photo process, it creates a visual image.

Product spec and featureService Manual2-17Samsung Electronics2.2.4 Engine H/W Specications2.2.4.1 Main PBAThe Engine Board and the Controller Board a

Product spec and featureService Manual2-18Samsung Electronics(a) Asic(Jupiter4e)• CPU Core : Use 32Bit RISC Processor of Jupiter4e, and control syste

Product spec and featureService Manual2-19Samsung Electronics(c) Sensor Input Circuit Paper Empty Sensing The Paper empty sensor on the tray detects

1.1 Safety Warning …………………………………………………… 1-11.2 Caution for safety ………………………………………………… 1-2 1.2.1 Toxic material ………………………………………………… 1-2 1.2.2 E

Product spec and featureService Manual2-20Samsung Electronics2.2.4.2 HVPS and SMPS BoardThe HVPS Board and SMPS Board are in one united board.The HVPS

Product spec and featureService Manual2-21Samsung Electronics HVPS Board• Transfer High Voltage (THV+) - Input Voltage : 24 V DC ± 15% - Output Vol

Product spec and featureService Manual2-22Samsung Electronics• AC Input - Input Rated Voltage : AC 220V ~ 240V AC 110V ~ 127V- Input Voltage uctuat

Product spec and featureService Manual2-23Samsung Electronics2.2.5 Engine F/W Contol Algorithm 2.2.5.1 FeedingIf feeding from a cassette, the drive of

Product spec and featureService Manual2-24Samsung Electronics2.2.5.3 FusingThe temperature change of the heat roller’s surface is changed to the resis

Product spec and featureService Manual2-25Samsung Electronics2.2.6 S/W Descriptions2.2.6.1 OverviewThe software of ML-1660 system is constructed with1

Product spec and featureService Manual2-26Samsung Electronics2.2.6.3 Data and Control FlowThe above Block Diagram is explained that:Host Side is made

Product spec and featureService Manual2-27Samsung ElectronicsFirmware Side is made up of1. Network Interface Card is that relay the communication bet

Disassembly and ReassemblyService Manual3-1Samsung Electronics3. Disassembly and Reassembly3.1 Precautions when replacing parts3.1.1 Precautions when

Disassembly and ReassemblyService Manual3-2Samsung Electronics3.2 Screws used in the printerThe screws listed in the table below are used in this prin

3.2 Screws used in the printer ……………………………………… 3-23.3 Cover ……………………………………………………………… 3-3 3.3.1 Left/Right cover ……………………………………………… 3-3 3.3.2

Disassembly and ReassemblyService Manual3-3Samsung Electronics3.3 Cover3.3.1 Left/Right cover3.3.2 Rear bracket1. Take off the left cover by removing

Disassembly and ReassemblyService Manual3-4Samsung Electronics3.3.3 Cover-open1. Release the cover-open from the hook of both sides.3.3.4 Top/Front c

Disassembly and ReassemblyService Manual3-5Samsung Electronics3.4 Main PBA1. To remove the main PBA, rst remove the right cover. (Refer to 3.3.1)2. R

Disassembly and ReassemblyService Manual3-6Samsung Electronics3.5 SMPS/HVPS board1. To remove the SMPS/HVPS board, rst remove the right cover and rea

Disassembly and ReassemblyService Manual3-7Samsung Electronics3.6 Fuser unit1. Remove the main PBA bracket. (Refer to 3.5) 2. Unplug the connector on

Disassembly and ReassemblyService Manual3-8Samsung Electronics3.7 LSU1. Remove the front/ top/ rear cover. (refer to 3.3 cover)2. Remove 4 screw secur

Disassembly and ReassemblyService Manual3-9Samsung Electronics3.8 Drive unit1. Remove the left cover.2. Remove 4 screws. Release the drive unit.

Disassembly and ReassemblyService Manual3-10Samsung Electronics3.9 Step motor1. Remove the drive unit. (Refer to 3.8)2. Remove 7 screws. Release the

Disassembly and ReassemblyService Manual3-11Samsung Electronics3.10 Pick up roller1. Open the top cover.2. Take out the toner cartridge.3. Push the hi

Alignment and TroubleshootingService Manual4-1Samsung Electronics4.1 Alignment and AdjustmentsThis chapter describes the main functions for service, s

5.1 Block Diagram …………………………………………………… 5-15.2 Connection Diagram……………………………………………… 5-26.1 Tool for Troubleshooting ………………………………………… 6-16.2 Acron

Alignment and TroubleshootingService Manual4-2Samsung Electronics4.1.2 Understanding The Control PanelThe color of the LEDs indicates the machine’s cu

Alignment and TroubleshootingService Manual4-3Samsung Electronics4.1.3 JAM Removal4.1.3.1 Clearing Paper JamsIf a paper jam occurs, the LED on the co

Alignment and TroubleshootingService Manual4-4Samsung Electronics5. Remove the original jammed paper by gently pulling it straight out. If you do not

Alignment and TroubleshootingService Manual4-5Samsung Electronics4.1.4 Printing a reportThis product provides several printable reports for maintenanc

Alignment and TroubleshootingService Manual4-6Samsung Electronics Demo Page

Alignment and TroubleshootingService Manual4-7Samsung Electronics Supplies Information Report

Alignment and TroubleshootingService Manual4-8Samsung Electronics4.1.5 Periodic Defective ImageIf an image defects appears at regular intervals on the

Alignment and TroubleshootingService Manual4-9Samsung Electronics4.1.6 Firmware upgrade1) Connect PC and printer with USB cable.2) Turn on the power o

Alignment and TroubleshootingService Manual4-10Samsung Electronics4.1.7 Using the smart panel programSmart Panel is a program that monitors and inform

Alignment and TroubleshootingService Manual4-11Samsung Electronics1 Toner LevelView the level of toner remaining in the toner cartridge(s). The machin

PrecautionsService Manual1-1Samsung ElectronicsIn order to prevent accidents and damages to the equipment please read the precautions listed below car

Alignment and TroubleshootingService Manual4-12Samsung Electronics4.2 Troubleshooting4.2.1 Procedure of Checking the SymptomsBefore attempting to repa

Alignment and TroubleshootingService Manual4-13Samsung Electronics4.2.1.1 Basic Check List1. Check the Power.• Check that the power switch is turned o

Alignment and TroubleshootingService Manual4-14Samsung Electronics4.2.1.2 Initial Inspection1. Check Power part1. The printer does not work no matter

Alignment and TroubleshootingService Manual4-15Samsung Electronics4.2.2 Bad discharge1) JAM 0Description : 1. Paper is not exited from the cassette.

Alignment and TroubleshootingService Manual4-16Samsung Electronics2) JAM 1Description : 1. Recording paper is jammed in front of or inside the fuser

Alignment and TroubleshootingService Manual4-17Samsung Electronics3) Multi-FeedingDescription : Multiple sheets of paper are fed at once.1. Solenoid

Alignment and TroubleshootingService Manual4-18Samsung Electronics4) Paper rolled on the OPC DrumDescription : Paper is rolled up in the OPC.1. Pape

Alignment and TroubleshootingService Manual4-19Samsung Electronics4.2.3 Malfunction1) Paper EmptyDescription : The paper lamp on the operator panel

Alignment and TroubleshootingService Manual4-20Samsung Electronics2) No lamp on when the cover is openDescription : The ERROR lamp does not come on

Alignment and TroubleshootingService Manual4-21Samsung Electronics3) Defective motor operationDescription : Main motor is not driving when printing,

PrecautionsService Manual1-2Samsung Electronics1.2 Caution for safety1.2.1 Toxic materialThis product contains toxic materials that could cause illnes

Alignment and TroubleshootingService Manual4-22Samsung Electronics4) No PowerDescription : When system power is turned on, all lamps on the operator

Alignment and TroubleshootingService Manual4-23Samsung Electronics5) Vertical Line Getting CurvedDescription : When printing, vertical line gets cur

Alignment and TroubleshootingService Manual4-24Samsung Electronics4.2.4 Bad image1) Vertical Black Line and BandDescription : 1. Straight thin black

Alignment and TroubleshootingService Manual4-25Samsung Electronics2) Vertical White LineDescription : White vertical voids in the image.3. It may oc

Alignment and TroubleshootingService Manual4-26Samsung Electronics3) Horizontal Black BandDescription : Dark or blurry horizontal stripes occur in

Alignment and TroubleshootingService Manual4-27Samsung Electronics4) Black/White SpotDescription : 1. Dark or blurry spots occur periodically in t

Alignment and TroubleshootingService Manual4-28Samsung Electronics5) Light ImageDescription : The printed image is light, with no ghost.1. Ambient te

Alignment and TroubleshootingService Manual4-29Samsung Electronics6) Dark Image or a Black PageDescription : The printed image is dark.2. Charge volt

Alignment and TroubleshootingService Manual4-30Samsung Electronics7) BackgroundDescription : Light dark background appears in whole area of the print

Alignment and TroubleshootingService Manual4-31Samsung Electronics8) Ghost (1)Description : Ghost occurs at 62.9 mm intervals of the OPC drum in the

PrecautionsService Manual1-3Samsung Electronics1.2.3 Handling precautionsThe following instructions are for your own personal safety to avoid injury a

Alignment and TroubleshootingService Manual4-32Samsung Electronics9) Ghost (2)Description : Ghost occurs at 62.9 mm intervals of the OPC drum in the

Alignment and TroubleshootingService Manual4-33Samsung Electronics10) Ghost (3)Description : White ghost occurs in the black image printing at 47 mm

Alignment and TroubleshootingService Manual4-34Samsung Electronics11) Ghost (4)Description : Ghost occurs at 47 mm intervals.The temperature of the

Alignment and TroubleshootingService Manual4-35Samsung Electronics12) Stains on the Face of PageDescription : The background on the face of the prin

Alignment and TroubleshootingService Manual4-36Samsung Electronics13) Stains on Back of PageDescription : The back of the page is stained at 39.2 mm

Alignment and TroubleshootingService Manual4-37Samsung Electronics14) Blank Page Print out (1)Description : Blank page is printed.Bad ground contacts

Code Error messageA3-3112 SMART PANEL:Actuator Sensor Failure #A3-3112:Turn off then on.C1-1110 SMART PANEL:Prepare new toner cartridgeC1-1120 SMART

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PrecautionsService Manual1-4Samsung Electronics1.2.5 Disregarding this warning may cause bodily injury(1) Be careful with the high temperature part.

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