Dell 1600n - Multifunction Laser Printer B/W- Manuals

Page 3 - Precautions

Precautions Service Manual 1-1 1 1 1. Precautions In order to prevent accidents and to prevent damage to the equipment please read the precautions listedbelow carefully before servicing the printer and follow them closely. 1.1 Safety Warning (1) Only to be serviced by appropriately qualified service...

Page 4 - Caution for safety; and if swallowed you should contact a doctor.; Electric Shock and Fire Safety Precautions; to overheat and potentially cause a fire.

Service Manual Precautions 1-2 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, ...

Page 5 - the printer to tip or fall.

Precautions Service Manual 1-3 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 printe...

Page 6 - Disregarding this warning may cause bodily injury

Service Manual Precautions 1-4 1.2.5 Disregarding this warning may cause bodily injury (1) Be careful with the high temperature part. The fuser unit works at a high temperature. Use caution when working on the printer. Wait for the fuser to cooldown before disassembly. (2) Do not put finger or hair ...

Page 7 - Use only a grounded tip soldering iron to solder or desolder ESDs.

Precautions Service Manual 1-5 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 fieldeffect transistors, and s...

Page 8 - Reference Information; Tool for Troubleshooting; a gentle neutral detergent and lint-free cloth.

Reference Information Service Manual 2-1 2 2 2. Reference Information This chapter contains the tools list, list of abbreviations used in this manual, and a guide to thelocation space required when installing the printer. A definition of tests pages and WirelessNetwork information definition is also...

Page 9 - Acronyms and Abbreviations

Service Manual Reference Information 2-2 2.2 Acronyms and Abbreviations The table in the below explains abbreviations used in this service manual.The contents of this service manual are declared with abbreviations in many parts. Please refer to thetable. AC Alternating Current ADF Automatic Document...

Page 10 - The Sample Pattern for the Test

Reference Information Service Manual 2-3 2.3 The Sample Pattern for the Test The sample pattern shown in below is the standard pattern used in a factory.The contents of the life span and the printing speed are measured with the pattern shown in below.(The picture in the manual is 70% size of the act...

Page 13 - This test page is reproduced at 70% of the normal A4 size

Service Manual Reference Information 2-6 2.3.4 A4 ISO 19752 Standard Pattern This test page is reproduced at 70% of the normal A4 size

Page 14 - Specifications; General Specifications; Items

Specifications Service Manual 3-1 3 3 3. Specifications Specfications are correct at the time of printing. Product specifications are subject to change without notice.See below for product specifications. 3.1 General Specifications Major Features Fax, Copier, Print, Scan, ADF,N/W Print, Scan-to-Emai...

Page 16 - Print Specification

Specifications Service Manual 3-3 PRINT Print Speed 22ppm/Ltr, 20ppm/A4 (600 dpi) Print Emulation GDI, PCL6, PCL5ePostScript Level3(Clone) Auto Emulation Sensing YES Font Type 45 Scalable, 1 Bitmap Number N/A Power Save Yes(5/10/15/30/45min.) Resolution Normal 600x600dpi (1200x1200,) RET Yes Toner S...

Page 17 - Scan Specification

Service Manual Specifications 3-4 SCAN Scan Method Color CCD Scan Speed Linearity Approx. 75sec (USB 1.1) USB 1.1, 300dpi, Letter Size, through ADF Gray Approx. 75sec (USB 1.1) Pentimum 4 1.xGHz, Color Approx. 150sec (USB 1.1) 128MB RAM Scan Speed Linearity Approx. 75sec (USB 1.1) through Platen Gra...

Page 18 - Copy Specification

COPY Text 600x300dpi Text/Photo 600x300dpi Photo 600x600dpi for Platen Other N/A FCOT Stand by Approx. 10 seconds:PlatenApprox. 15 seconds:ADF From Cold Status 50 seconds Copy Speed SDMC at all mode 22cpm/Ltr, 20cpm/A4 / Letter MDMC at Text, 14cpm (600x300dpi) MDMC at Photo 8cpm Mode(600x600dpi) Ori...

Page 20 - Fax Specification

Specifications Service Manual 3-7 3.5 Fax Specification Fax Compatibility ITU-T G3 Communication System PSTN/PABX Modem Speed 33.6Kbps TX Speed 3sec LTRr/MMR Compression MH/MR/MMR/JPEG Color Fax Yes(Send Only) ECM Yes Resolution Std 203*98dpi Fine 203*196dpi S.Fine 300*300dpi Scan Speed Std 2.5 sec/...

Page 21 - Other Specification

Network Option Yes (Standard) Protocol SPX/IPX, TCP/IP, Ethertalk, SNMP, HTTP 1.1, DLC/LLC Operating System MS Windows 98/2000/XP/NT/Me, MAC (English only, no status monitor, web download only) Paper Handling Capacity( 20lbs) Main Tray 250sheets Bypass Single Sheet Optional Cassette 250sheets Output...

Page 23 - MEMO

Page 24 - Summary of Product; Printer Components

Summary of Product Service Manual 4-1 4 4 4. Summary of Product This chapter describes the functions and operating principal of the main component. 4.1 Printer Components 4.1.1 Front View

Page 30 - • Protecting device when overheating; • CCD Module Specification

Summary of Product Service Manual 4-7 4.2.4.5 Safety Relevant Facts • Protecting device when overheating - 1st protecting device: H/W cuts off when detecting an overheating- 2nd protecting device: S/W cuts off when detecting an overheating- 3rd protecting device: Thermostat cuts off the power • Safe...

Page 35 - • Main function block; • Access Time : 60 nsec

Service Manual Summary of Product 4-12 4.3.1 ASIC Samsung’s S3C46Q0X 16/32-bit RISC micro controller is designed to provide a cost-effective, low power,small die size and high performance micro-controller solution for MFP. The S3C46Q0X is developed using ARM7TDMI core, 0.18(m CMOS standard cell, and...

Page 36 - ) Paper Empty Sensor

Summary of Product Service Manual 4-13 4.3.4 Sensor input circuit 1) Paper Empty Sensor The Paper empty sensor (Photo Interrupter) on the engine board informs the CPU as to whetherthe cassette is empty or not with operation of the actuator.When the cassette is empty, it detects the fact by reading t...

Page 38 - moves to OPC drum due to the surface of OPC not being charged.

Summary of Product Service Manual 4-15 4.4.1 HVPS(High Voltage Power Supply) 1) Transfer High Voltage (THV+) - Function : Voltage to transfer developed toner on OPC drum to a paper.- Output voltage : +1300V DC±20V - Error : If THV (+) doesn't output, a ghost status (same character is printed after o...

Page 39 - ) Rated Output Power

Service Manual Summary of Product 4-16 4.4.2 SMPS(Switching Mode Power Supply) It is the power source of entire system. It is assembled by an independent module, so it is possible to use for common use. It is mounted at the bottom of the set. It is consisted of the SMPS part, which supplies the DC p...

Page 40 - ) Environment Condition

Summary of Product Service Manual 4-17 6) Feature - Insulating resistance : over 50M Ω (at DC500V) - Insulating revisiting pressure : Must be no problem within 1min. (at 1500Vzc, 10mA)- Leaking voltage : under 3.5mA- Running voltage : under 40A peak (at 25°c, Cold start) Under 60A peak (in other con...

Page 41 - feed sensor after certain time. (The feed sensor cannot be Off)

Service Manual Summary of Product 4-18 4.5 Engine F/W 4.5.1 Feeding If feeding from a cassette, the drive of the pickup roller is controlled by controlling the solenoid. The on/offof the solenoid is controlled by controlling the general output port or the external output port. If feedingfrom a manua...

Page 42 - Error

Summary of Product Service Manual 4-19 4.5.4 Fusing The temperature change of the heat roller’s surface is changed to the resistance value through the thermis-tor. By converting the voltage value to a digital value, through the AD converter, the temperature is decided.The AC power is controlled by c...

Page 43 - external high voltage supply applied to a line input unit.

Service Manual Summary of Product 4-20 4.6 LIU PBA LIU board is a Line interface unit, and it is a circuit for interfacing a telephone line with a modem. The circuit is consist- ed of matching transfer to conform to impedance of a receiving telephone line and a circuit to conform to impedance of a m...

Page 44 - Disassembly and Reassembly; General Precautions on Disassembly; Check to verify that documents are not stored; Releasing Plastic Latches

Precautions Service Manual 5-1 5 5 5. Disassembly and Reassembly 5.1 General Precautions on Disassembly When you disassemble and reassemble compo-nents, you must use extreme caution. The closeproximity of cables to moving parts makes properrouting a must. If components are removed, any cables distur...

Page 45 - Remove the four screws securing the Rear Cover.

Service Manual Precautions 5-2 5.2 Rear Cover 1. Remove the four screws securing the Rear Cover. 2. Remove the Rear Cover from the Frame Ass'y and Scanner Ass'y. 3. Unlatch the (Cover Face Up) securing the Rear cover, as shown below.Then lift the (Cover Face Up) out. Cover Face Up Rear Cover

Page 46 - Open the front cover and remove the 2 screws on the

Precautions Service Manual 5-3 5.3 Side Cover (LH, RH) 1. Before you remove the Side Cover (LH, RH), you should remove: - Rear Cover (see page 5-2) 2. Take out the Cassette. 3. Open the front cover and remove the 2 screws on the front side and 1 screw on the back side. Push the sidecover(RH) to the ...

Page 47 - Then remove the Front Cover, as shown below.

Service Manual Precautions 5-4 5.4 Front Cover 1. Open the Front Cover. 2. Unlatch the Front Cover securing the Frame Ass'y. Then remove the Front Cover, as shown below. Front Cover

Page 48 - Remove the 5 connectors and the ground wire screw

Precautions Service Manual 5-5 5.5 Scanner Ass'y 1. Before you remove the Scanner Ass'y, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3) 2. Remove the 2 screws securing the Scanner Ass'y, as shown below. 3. Remove the 5 connectors and the ground wire screw from th...

Page 50 - Pull up the CCD Shaft and take out the Scanner; Caution; Assembling Scanner Module

Precautions Service Manual 5-7 11. Remove the CCD Cable, as shown below. 12. Pull up the CCD Shaft and take out the Scanner Module. 13. Push the Belt Holder and take out the Belt, as shown below. 14. Remove the Reduction Gear and Idle Gear, as shown below. Scanner Module CCD Cable CCD Shaft Belt Spr...

Page 51 - Remove the 3 screws and take out the Motor

Service Manual Precautions 5-8 15. Remove the 3 screws and take out the Motor Bracket. 16. Unplug the one connector from the Open Sensor Ass'y. 17. Unlatch the Open Sensor and remove it, as shown below. 18. Remove the Holder CCD Motor Braket Open Sensor Unlock Lock Holder CCD

Page 52 - Remove the 2 screws securing the ADF Ass'y and

Precautions Service Manual 5-9 5.6 ADF Motor Ass'y 1. Before you remove the ADF Motor Ass'y, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3)- Scanner Ass’y (see page 5-5) 2. Remove the 2 screws securing the ADF Ass'y and remove it. 3. Remove the Open Cover, as sho...

Page 53 - screws securing the OPE PBA from the

Service Manual Precautions 5-10 5.7 OPE Unit 1. Before you remove the OPE Unit, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3)- Scanner Ass’y (see page 5-5) 2. Remove the 5 screws securing the OPE PBA from the OPE Cover. 3. Remove the Contact Rubber from the OPE ...

Page 54 - Before you remove the Exit Roller, you should

Precautions Service Manual 5-11 5.8 Middle Cover & Exit Roller 1. Before you remove the Exit Roller, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3)- Scanner Ass’y (see page 5-5)- Controller Shield Ass’y (see page 5-12) 2. Remove the 6 screws securing the Midd...

Page 56 - Remove the 12 screws securing the Engine Shield

Precautions Service Manual 5-13 1. Before you remove the Engine Shield Ass'y, you should remove: - Rear Cover (see page 5-2) - Side Cover(LH, RH) (see page 5-3) - Scanner (see page 5-5) 2. Unplug 4 connector. 3. Remove the 12 screws securing the Engine Shield Ass'y and remove it. Then unplug the all...

Page 57 - Remove the 3 screws securing the Inlet Bracket and

Service Manual Precautions 5-14 5.11 SMPS 1. Before you remove the SMPS, you should remove: - Rear Cover (see page 5-2) - Side Cover(LH, RH) (see page 5-3) - Scanner Ass’y (see page 5-5) - Engine Shield Ass’y(see page 5-12) 2. Remove the 3 screws securing the Inlet Bracket and remove it 3. Remove th...

Page 59 - Remove the one screw securing the Thermister and

Service Manual Precautions 5-16 6. Unwrap the Thermistor Harness, as shown below. 7. Remove the one screw securing the Thermister and remove it, as shown below. Thermistor Thermistor

Page 60 - Unplug the connector from the SMPS and remove the

Precautions Service Manual 5-17 5.13 Fan 1. Before you remove the Fan, you should remove: - Rear Cover (see page 5-2) - Side Cover (RH) (see page 5-3) 2. Unplug the connector from the SMPS and remove the one screw. Then take out the Fan. DC Fan

Page 61 - Remove the 4 screws to separate the CRUM board

Service Manual Precautions 5-18 1. Before you remove the LSU, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3)- Scanner Ass’y (see page 5-5)- Front Cover (see page 5-4)- Middle Cover (see page 5-11) 2. Remove the 4 screws securing the LSU and removeit. 3. Unplug th...

Page 63 - Remove the 3 screws securing the Transfer Earth and

Service Manual Precautions 5-20 1. Before you remove the Transfer Ass'y, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3)- Scanner Ass’y (see page 5-5)- Front Cover (see page 5-4)- Middle Cover (see page 5-11)- LSU (see page 5-18) 2. Remove the 3 screws securing th...

Page 64 - Remove the 4 screws securing the Guide Paper Front

Precautions Service Manual 5-21 5.18 Feed Ass'y 1. Before you remove the Feed Ass'y, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3)- Scanner Ass’y (see page 5-5)- Front Cover (see page 5-4)- Middle Cover (see page 5-11)- Drive Ass’y (see page 5-18)- Controller Sh...

Page 65 - Pull up the Feed Roller and Feed Roller1.

Service Manual Precautions 5-22 6. Remove the Feed Gear1 Ass'y. 7. Pull up the Feed Roller and Feed Roller1. Feed Gear1 Ass’y Feed Roller Feed Roller1

Page 66 - Remove the 2 s securing the Manual Solenoid and

Precautions Service Manual 5-23 5.19 Pick-Up Ass'y & Solenoid 1. Before you remove the Pick-Up Ass'y, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3)- Front Cover (see page 5-4)- Scanner Ass’y (see page 5-5)- Middle Cover (see page 5-11)- Engine Shield Ass,y (...

Page 67 - Alignment & Adjustments; Alignment and Adjustments; Scanner Part; Engine Part

Alignment & Adjustments Service Manual 6-1 6 6 6. Alignment and Adjustments This chapter describes the main functions for service, such as the product maintenance method,the test output related to maintenance and repair, DCU using method, Jam removing method, andso on. It includes the contents o...

Page 68 - occurs if the sensor is not operated after certain time passes); Paper Feeding Sensor

Service Manual Alignment & Adjustments 6-2 6.1.1 Copy & Scan Document Path 6.1.2 Printer Paper Path 1) After receiving print job, the printer feeds the printing paper from the cassette or manual feeder.2) The fed paper passes the paper feeding sensor. (Jam 0 occurs if the sensor is not opera...

Page 69 - Clearing Paper Jams; Paper Jam1; Paper Jam2; Bypass Jam

Alignment & Adjustments Service Manual 6-3 6.2 Clearing Paper Jams Occasionally, paper can be jammed during a print job. Some of the causes include: • The tray is loaded improperly or overfilled.• The tray has been pulled out during a print job.• The front cover has been opened during a print jo...

Page 70 - ) Pull the document gently to the right and out of the

Service Manual Alignment & Adjustments 6-4 6.2.1 Clearing Document Jams If a document jams while it is feeding through the ADF (Automatic Document Feeder),“DOCUMENT JAM ” appears onthe display. 6.2.1.1 Input Misfeed 1) Open the ADF top cover. 2) Pull the document gently to the right and out of t...

Page 71 - ) Turn the release knob so that you can easily remove

Alignment & Adjustments Service Manual 6-5 1) Open the document cover. 2) Turn the release knob so that you can easily remove the misfed document,and remove the document fromthe ADF or the feed area by carefully pulling ittowards the right by using both hands. 3) Close the document cover.Then lo...

Page 74 - ) Open the front cover and remove the toner cartridge.

Service Manual Alignment & Adjustments 6-8 6.2.2.3 JAM1 (In the Fuser Area of Around the Toner Cartridge Area) NOTE : The fuser area is hot.Be careful when removing paper from the machine. 1) Open the front cover and remove the toner cartridge. 2) Remove the jammed paper by gently pulling it str...

Page 76 - System Data

Service Manual Alignment & Adjustments 6-10 1.Paper Setting Paper TrayPaper Size 2.Copy Setup Change DefaultTimeout 6.Reports System Data 8.Machine Setup LanguagePower SaveCCD Power SaveUSB Mode 9.Maintenance Clean DrumClear Memory 6.3 User Mode(SCX-4920N) The table in the bellow explains the po...

Page 78 - To enter the Tech mode; To enter the Tech mode, press in sequence, and the LCD

Service Manual Alignment & Adjustments 6-12 6.4 Tech Mode 6.4.1 How to Enter Tech Mode In service (tech) mode, the technician can check the machine and perform various test to isolate the causeof a malfunction. While in Tech mode, the machine still performs all normal operations. To enter the Te...

Page 79 - SEND LEVEL; may not operate properly.; Country Group

Alignment & Adjustments Service Manual 6-13 6.4.3 Data Setup SEND LEVEL You can set the level of the transmission signal. Typically, the Tx level should be under -12 dBm. Caution : The Send Fax Level is set at the best condition in the shipment from factory. Never change settings arbitrarily. DI...

Page 80 - FLASH UPGRADE

Service Manual Alignment & Adjustments 6-14 FLASH UPGRADE The Firmware Upgrade function and has two methods, Local and Remote. (1) Local Machine • RCP(Remote Control Panel) mode This method is for Parallel Port.or USB Port Connect to PC and activate RCP(Remote Control Panel) toupgrade the Firmwa...

Page 81 - Push the SET UP button then an image

Alignment & Adjustments 6-15 6.4.4 Machine Test SWITCH TEST Use this feature to test all keys on the operation control panel. The result is displayed on the LCDwindow each time you press a key. MODEM TEST Use this feature to hear various transmission signals to the telephone line from the modem ...

Page 82 - PROTOCOL LIST

Service Manual Alignment & Adjustments 6-16 6.4.5 Report PROTOCOL LIST This list shows the sequence of the CCITT group 3 T.30 protocol during the most recent sending or receivingoperation. Use this list to check for send and receive errors. If a communication error occurs while the machineis in ...

Page 83 - Engine test; To enter the Engine Test mode; ‘Engine Test’, the machine has entered Engine Test Mode.

Alignment & Adjustments Service Manual 6-17 NO. Sub No. Engine test Remark 0 1 Motor Test 1 : On, 2 : Off 2 PickUp Test 1 : On, 2 : Off 3 Fan Test 1 : On, 2 : Off 4 Manual Clt Test 1 : On, 2 : Off 5 PTL Test 1 : On, 2 : Off 1 1 LSU Motor Test 1 : On, 2 : Off 2 LSU Hsync Test 1 : On, 2 : Off 3 LD...

Page 84 - Function Name

Service Manual Alignment & Adjustments 6-18 6.5.3 Detail Description(Engine Test Mode) Function Name Description Display 01.Motor Test The main motor keeps running after the execution key is Main Motor On(Off) chosen and stops when the stop key is chosen. 02.Pick Up Test automatically Tray 1,2 S...

Page 85 - Identify Sale Date

Alignment & Adjustments Service Manual 6-19 6.6 Identify Sale Date This function confirms the date that consumer bought product and used the product for the first time.When the consumer first operate the machine, it will start a scan and page count.The time the machine was first used is remember...

Page 86 - Consumables and Replacement Parts; COMPONENT

Service Manual Alignment & Adjustments 6-20 6.7 Consumables and Replacement Parts The cycle period outlined below is a general guideline for maintenance. The example list is for an average usage of 50 transmitted and received documents per day. Environmental conditions and actual use will may va...

Page 87 - Abnormal Image Printing and Defective Roller; Roller

Alignment & Adjustments Service Manual 6-21 6.8 Abnormal Image Printing and Defective Roller If abnormal image prints periodically, check the parts shown below. No Roller Abnormal image period Kind of abnormal image 1 OPC Drum 75.5mm White spot, Block spot 2 Charge Roller 37.7mm Black spot 3 Sup...

Page 90 - Paper has jammed in the fuser area.

Service Manual Alignment & Adjustments 6-24 [Paper Jam 2] Check OutsideMeaning: Paper has jammed in the fuser area. Solution: Clear the jam. Power FailureMeaning: The power has been turned off and then on and the printer’s memory has not been saved. Solution: The printer’s memory was not saved d...

Page 91 - Troubleshooting; Paper Feeding Problems

Troubleshooting Service Manual 7-1 7 7 7. Troubleshooting 7.1 Paper Feeding Problems 7.1.1 Wrong Print Position • Description Printing begins when the paper is in the wrong position. Check and Cause Solution A defective feed sensor actuator can cause incorrect tim-ing. Replace the defective actuator...

Page 95 - Check if OPE HARNESS is connected to the Connection; Defective LCD Operation; Confirm to catch a click sound, while a key on the OPE

Troubleshooting Service Manual 7-5 7.2. Printing Problems (malfunction) 7.2.1 Defective Operation (LCD WINDOW ) Display • Description Strange characters are displayed on the OPE Panel and buttons are not operated. Check and Cause Solution 1. Clear the memory.(see page 6.5.3) 2. Check if OPE HARNESS ...

Page 96 - Not functioning of the fuser gear due to melting away; The Motor breaks away from its place due to gear melting away.

Service Manual Troubleshooting 7-6 7.2.3 Not functioning of the fuser gear due to melting away • Description The Motor breaks away from its place due to gear melting away. Check and Cause Solution 1. Check the Heat Lamp. 1. Replace the Fuser. 2. Replace the Main PBA. 3. Replace the SMPS. 7.2.4 Paper...

Page 97 - The ERROR lamp is on even when the print Door is closed.

Troubleshooting Service Manual 7-7 7.2.6 Door Open • Description The ERROR lamp is on even when the print Door is closed. Check and Cause Solution 1. The hook lever in the Front Cover may be defective. 2. Check the Connector(CN1) and Circuit of the Cover Switch department in the Main PBA. 1. Replace...

Page 99 - • Description; When printing, vertical line gets curved.; Check and Cause; If the supply of +24v is unstable in the Main Control board

Troubleshooting Service Manual 7-9 7.2.10 Vertical Line Getting Curved • Description When printing, vertical line gets curved. Check and Cause Solution 1. If the supply of +24v is unstable in the Main Control board linking with LSU, check drive by Engine Test Mode : Diagnostic Code 1 LSU Motor on. 1...

Page 100 - Printing Quality Problems

Service Manual Troubleshooting 7-10 7.3.1 Vertical Black Line and Band • Description 1. Straight thin black vertical line occurs in the printing.2. Dark black vertical band occur in the printing. Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital Printer Check and Cause Solution 1. ...

Page 111 - Blank page is printed out when copy.

Troubleshooting Service Manual 7-21 7.5.1 White Copy • Description Blank page is printed out when copy. 7.5 Copy Problems Check and Cause Solution 1. Check the Scan-Cover open. 2. Check shading profile. 3. Check white/black reference voltage in Main PBA. 1. Room light ca transit a thin original. 2. ...

Page 113 - Scanning Problems; Defective Image Quality of PC Scan

Troubleshooting Service Manual 7-23 7.6.1 Defective PC Scan • Description The PC Scan is not functioning at all. 7.6 Scanning Problems Check and Cause Solution 1. Check the Cable (USB or Parallel) 2. Check if the driver is installed properly. 3. Check if copy function operates normally. 1. If the PC...

Page 114 - Toner Cartridge Service; Service for the Life of Toner Cartridge; Unpack the new toner cartridge and gently shake it hor-

Service Manual Troubleshooting 7-24 7.7 Toner Cartridge Service It is not guaranteed for the default caused by using other toner cartridge other than the cartridge supplied by theSamsung Electronic or caused by non-licensed refill production. 7.7.1 Precautions on Safe-keeping of Toner Cartridge Exce...

Page 115 - Signs and Measures at Poor toner cartridge; Fault

Troubleshooting Service Manual 7-25 7.7.4 Signs and Measures at Poor toner cartridge Fault Signs Cause & Check Solution Light image andpartially blankimage(The life is ended.) TonerContamination • The printed image is light or uncleanand untidy. • Some part of the image is not print-ed. • Period...

Page 118 - Network Problems Troubleshooting; Problem Solution

Service Manual Troubleshooting 7-28 7.8 Network Problems Troubleshooting 7.8.1 General Problems Problem Solution System does not function with some wrong values entered y mistake while configuring. Not able to access from SNMP Manager. SyncThru is unable to automatically detect print servers. SyncTh...

Page 121 - Exploded View & Parts List; Exploded Views and Parts List

Exploded View & Parts List Service Manual 8-1 8 8 8. Exploded Views and Parts List 8.1 Main Assembly Exploded view ............................................................................... page(8-2) 8.2 Rx Drive Ass’y Exploded view .............................................................

Page 123 - Main Assembly Parts List; Description

Exploded View & Parts List Service Manual 8-3 Main Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 MFP 1600n SCX-4920N/DEH MFP 1600n SCX-4920N/DEL MFP 1600n SCX-4920N/DLH MFP 1600n SCX-4920N/DLL MFP 1600n SCX-49...

Page 124 - MAGNETIC CATCH

Service Manual Exploded View & Parts List 8-4 Main Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 13 COVER-SIDE R_R2 JC63-00384A 1 O 14 MEA UNIT-COVER REAR JC97-01934A 1 O 14-1 COVER-REAR R2 JC63-00392A 1 X 14-2 ...

Page 125 - RX Drive Assembly; RX Drive Assembly Parts List; BRACKET-MOTOR MAIN R2

Exploded View & Parts List Service Manual 8-5 8.2 RX Drive Assembly 0 1 2 3 4 4 5 6 8 7 9 5 RX Drive Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 ELA UNIT-RX DRIVE JC96-03078A 1 O 1 BRACKET-GEAR MAIN JC61-008...

Page 127 - ADF Assembly Continued.

Exploded View & Parts List Service Manual 8-7 ADF Assembly Continued. 4 4-1 4-3-1 4-3 4-3-2 4-3-4 4-3-3 4-8 4-9 4-4 4-5 4-4 4-6 4-2 S 4-7 4-7 S

Page 128 - ADF Assembly Parts List; PMO-ACTUATOR REGI SENSOR

Service Manual Exploded View & Parts List 8-8 ADF Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 ELA HOU-ADF-ENGINE JC96-03133A 1 O 1 MEA UNIT-ADF UPPER JC97-01939A 1 O 1-1 COVER-ADF UPPER R2 JC63-00450A 1 X 1-...

Page 129 - CBF HARNESS-MOTOR GROUND

Exploded View & Parts List Service Manual 8-9 ADF Assembly Parts List(cont.) SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 3-9 GEAR-SWING 31/20 ADF JC66-00457A 1 X 3-10 LINK-M-SWING ADF JC66-00454A 1 X 3-11 GEAR-58/25 ADF JC66-0045...

Page 130 - OPE Unit Assembly

Service Manual Exploded View & Parts List 8-10 8.4 OPE Unit Assembly 0 1 3 9 8 11 12 10 7 6 5 4 15 13 14 16 2 17

Page 131 - OPE Unit Assembly Parts List

Exploded View & Parts List Service Manual 8-11 OPE Unit Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 ELA HOU-OPE JC96-03070A 1 O 1 COVER-OPE R2_DELL JC63-00376A 1 O 2 WINDOW-LCD JC64-00130A 1 O 3 KEY-COPY_DEL...

Page 133 - Scanner Assembly Parts List

Exploded View & Parts List Service Manual 8-13 Scanner Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 ELA HOU-PLATEN JC96-03067A 1 O 1 MEA UNIT-SCAN UPPER JC97-01942A 1 O 1-1 COVER-SCAN UPPER DELL JC63-00380A 1...

Page 134 - Middle Cover Assembly; Middle Cover Assembly Parts List; MEA UNIT-COVER MIDDLE

Service Manual Exploded View & Parts List 8-14 8.6 Middle Cover Assembly 0 1 3 2 4 Middle Cover Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 MEA UNIT-COVER MIDDLE JC97-01932A 1 O 1 COVER-MIDDLE R2 JC63-00385A...

Page 136 - Frame Assembly Parts List; PLATE-TERMINAL CON R2

Service Manual Exploded View & Parts List 8-16 Frame Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 ELA UNIT-FRAME DELL JC96-03098A 1 O 1 FRAME-BASE R2 JC61-00906A 1 X 2 GUIDE-P-TR JC61-00607A 1 X 3 PLATE-P-SAW...

Page 137 - SOLENOID-FEED ROCKY2

Exploded View & Parts List Service Manual 8-17 Frame Assembly Parts List(Cont.) SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 28 IPR-P-EARTH TRANSFER JC70-00307A 1 O 29 HOLDER-PTL R2 JC61-00907A 1 O 30 LENS-PTL JC67-00027A 1 O 31 P...

Page 138 - SPRING ETC-EXIT ROLL FD

Service Manual Exploded View & Parts List 8-18 Frame Assembly Parts List(Cont.) SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 55 GROUND-TERMINAL DEVE JC63-00458A 1 X 56 PBA SUB-PTL JC92-01620A 1 O 57 MEA UNIT-GUIDE PAPER JC97-01924...

Page 140 - Fuser Assembly Parts List

Service Manual Exploded View & Parts List 8-20 Fuser Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 ELA HOU-FUSER 110V JC96-03061A 1 O 110V ELA HOU-FUSER 220V JC96-03062A 1 O 220V 1 COVER-FUSER R2 JC63-00363A 1...

Page 141 - Cassette Assembly

Exploded View & Parts List Service Manual 8-21 8.9 Cassette Assembly 0 1 8 2 3 4 16 6 7 6-4 6-3 6-2 6-1 5 5 10 11 15 12 13 14

Page 142 - Cassette Assembly Parts List; GUIDE-EXTENSION SMALL

Service Manual Exploded View & Parts List 8-22 Cassette Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 MEA UNIT-CASSETTE, USA JC97-01919A 1 O 1 FRAME-M-CASSETTE JC61-00876A 1 X 2 GUIDE-M-EXTENSION LARGE JC61-00...

Page 144 - SCF(Option Cassette Frame) Assembly Parts List; CBF HARNESS -SCF GND

Service Manual Exploded View & Parts List 8-24 SCF(Option Cassette Frame) Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 0 ELAHOU-SCF R2 JC96-03096A 1 X 1 COVER-M-FRONT SCF R2 JC63-00364A 1 X 2 COVER-M-LEFT SCF R...

Page 145 - TIE

Exploded View & Parts List Service Manual 8-25 SCF(Option Cassette Frame) Assembly Parts List SA : Service Available O : Service available X : Service not available No. Description SEC.Code Q’ty SA Remark 38 SCREW-TAPTITE 6003-000196 10 X 39 ELA HOU-MOTOR SCF JC96-03003A 1 O 39-1 BRKT-P-MOTOR SC...

Page 147 - Block Diagram; SPG; CI; OPE

Block Diagram Service Manual 9-1 9 9 9. Block Diagram MHV +5V/ +12V +24V +24VS INLET & POWER S/W PAPER EMPTY SENSOR EXIT SENSOR MP EMPTY SENSOR FEED SENSOR COVER S/W AC PWR SUPPL Y DEV THV OPC GND SPG P m AR M 9 46 ES CA CH E (1 6K *2 ) SD R A M C on tro l RO M Co n tro l DM A Co nt ro l PV C GE...

Page 148 - Connection Diagram; MA

Connection Diagram Service Manual 10-1 1 1 0 0 10. Connection Diagram L a se r M F P 16 00n CO NNE CT IO N D IA G R AM LC D M O D U L E 16 X 2 L IN E OP E B ’d 1:D G N D 2:+ 5 V 3:O P E _T X D 4:O P E _R S T 5:O P E _R X D 6 : nLE D 8 FL A T E N C OVE R SE N S O R 1:+ 5 V 2:S IG N A L 3:G N D 1 ,3 ,...

Page 149 - Circuit Diagram; Circuit Description; System Configurations

Circuit Diagram Service Manual 11-1 1 1 1 1 11. Circuit Description 11.1 System Configurations SCX-4920N is roughly made up Main Control part, Operation Panel part, Scanner part, Line Interface part andPower part. Each Part is separated Module which focus on common and standard design of differentki...

Page 150 - CPU Part; MAIN B’d

Service Manual Circuit Diagram 11-2 CPU Part 1) CPU : Use 32Bit RISC Processor, ARM946ES,which is exclusive controller to execute Printer & FAX Function and to execute operation block by flash memory within system program, and to control whole system. - Main function block - Completely Integrate...

Page 151 - MAIN

Circuit Diagram Service Manual 11-3 2) Flash Memory : Record System Program, and download System Program by PC INTERFACE. FAX for Journal List, and Memory for One Touch Dial, Speed Dial List. - Size : 4M Byte - Access Time : 70 nsec 3) SDRAM : is used as Swath Buffer in Printing, Scan Buffer in Scan...

Page 152 - DSP; - LSD and DIB of FM336Plus Core

Service Manual Circuit Diagram 11-4 11.2 FAX Section 11.2.1 Modem Part 11.2.1.1 BLOCK DIAGRAM DSP SSD SystemSideDervice CX20493LSDLineSideDervice Transformer Capacitor Ext Line Implemented by based on Conexant DAA (Data Access Arrangement) Solution , and is roughly composed of twokinds Chip Solution...

Page 154 - ) Line Interface Signal of Tel Line and LSD is Analog Signal.

Service Manual Circuit Diagram 11-6 1) Line Interface Signal of Tel Line and LSD is Analog Signal. 2) there is A/D, D/A Converter in LSD, so Analog Signal from Tel Line is transited in Digital through A/D Converter in DAA and transfer to SSD by DIB Capacitor Digital Signal from SSD is converted to A...

Page 156 - Telephone Line Connection; • Line Code Length : 2m

Service Manual Circuit Diagram 11-8 This is Connection Part between system and PSTN(Public Switched Telephone Network), and 1 st side circuit isusually located. Main functions are Line Interface, Telephone Connection and Line Condition Monitoring. 1. Telephone Line Connection • Modular Plug : RJ-11C...

Page 157 - Scanner Section; * Scan Image Control Specification

Circuit Diagram Service Manual 11-9 11.3 Scanner Section 11.3.1 Scan Part Pictorial signal input part : output signal of CCD passes through Bypass_Cap change to ADC at AFE_CIP4 , anddefined signal between AFE_CIP4 and CIP4 processes the Image signal. When AFE accept each pixel,CDS(Correlated Double ...

Page 160 - Printer Section

Service Manual Circuit Diagram 11-12 11.4 Printer Section Printer is consisted of the Engine parts and F/W, and said engine parts is consisted of the mechanical parts comprising Frame, Feeding, Developing, Driving, Transferring, Fusing, Cabinet and H/W comprising the main control board, power board,...

Page 162 - SFR Bus

Service Manual Circuit Diagram 11-14 11.4.2 Speed : 166MHz core(ARM946ES) operation, 60MHz bus operation ADDR/ DATA MUX ROM CONTROLLER EXTERNAL DMA CONTROLLER (4CH) ARM946E-S CORE 16KB ICACHE 16KB DCACHE USB2.0 ARBITER DECODER MAC SYSMAC SFR Bus AHB Bus System Bus SYSTEM BUS ARBITER SYSTEM PLL (120M...

Page 163 - Black and White

Circuit Diagram Service Manual 11-15 11.5 Copier Section 1) Copy Mode: Black and White 2) Scanner Type: CCD with Flatbed/Platen and ADF 3) Maximum Size of Original: > Platen: 216 x 297 mm > ADF: Legal (216 x 356 mm) (max. width = 218 mm,max length = 400 mm) 4) Optical Resolution: 600 x 600 dpi...

Page 164 - Telephone Section

Service Manual Circuit Diagram 11-16 11.6 Telephone Section 1) Speed Dial: 200 Locations (46 digits maximum per location) 2) On-hook Dial (manual fax): Yes 3) Last Number Redial: Yes 4) Automatic Redial: Yes 5) Pause: Yes (using Redial key) 6) Ringer Volume: Off, Low, Medium, High 7) Tone/Pulse: Sel...

Page 165 - •S upply; > Output Voltage Falling Time : 50 ms Max

Circuit Diagram Service Manual 11-17 • Charge Voltage (MHV) > Input Voltage : 24 V DC & 15% > Output Voltage : -1.3KV ~ -1.8KV DC +/- 50V > Output Voltage Rising Time : 50 ms Max > Output Voltage Falling Time : 50 ms Max > Output Loading range : 30 M * ~ 1000 M * > Output Contr...

Page 166 - • AC Input

Service Manual Circuit Diagram 11-18 11.7.2 SMPS (Switching Mode Power Supply) It is the power source of entire system. It is assembled by an independent module, so it is possible to use for common use. It is mounted at the bottom of the set. It is consisted of the SMPS part, which supplies the DC p...

Page 167 - • Consumption Power; > Operating atmospheric pressure range : 1atm; NO; PRINTING

Circuit Diagram Service Manual 11-19 • Consumption Power • Length of Power Cord : 1830 & 50mm • Power Switch : Use • Feature > Insulating Resistance : 50 ( or more (at DC 500V) > Insulating revisiting pressure : Must be no problem within 1 min. (at 1500Vac,10mA) > Leaking Current : unde...

Page 168 - > High Repetive Peak Off State Voltage : Min 600V

Service Manual Circuit Diagram 11-20 11.7.3 Fuser Ac Power Control Fuser(HEAT LAMP) gets heat from AC power. The AV power controls the switch with the Triac, a semiconductorswitch. The ‘ON/OFF control’ is operated when the gate of the Triac is turned on/off by Phototriac (insulting part).In other wo...

Page 169 - Schematic Diagram; This Document can not be used without Samsung’s authorization.; Schematic Diagrams

Schematic Diagram Service Manual 12-1 This Document can not be used without Samsung’s authorization. 12 12 12. Schematic Diagrams 12.1 Dell Schematic Main(1/17)

Page 189 - Dell Schematic LIU

Schematic Diagram Service Manual 12-21 This Document can not be used without Samsung’s authorization. 12.3 Dell Schematic LIU