Page 3 - C o n t e n t s; Caution for safety; pec; Product Specifications; Disassembly and Reassembly; General Precautions on Disassembly
C o n t e n t s 1. Precautions 1.1 Safety Warning 1-1 1.2 Caution for safety 1-2 1.3 ESD Precautions 1-5 2. Product S pec ifications and F eature s 2.1 Product Specifications 2-1 2.2 Summary of Product 2-5 2.2.1 Printer Components 2-5 2.2.2 Overview of System 2-9 2.2.3 System Layout 2-11 2.2.4 Main ...
Page 4 - C o n t i n u e d; Alignment and Adjustments
C o n t i n u e d 3.12 Scan Motor Ass'y 3-10 3.13 ADF Roller 3-11 3.14 Sub Hook PBA 3-12 3.15 Drive Ass'y 3-13 3.16 DC-Fan 3-13 3.17 Exit Cover Ass'y 3-14 3.18 LSU-Unit 3-15 3.19 Engine Shield Ass'y 3-15 3.20 Main PBA 3-16 3.21 SMPS 3-17 3.22 Fuser Ass'y 3-18 3.23 Transfer Ass'y 3-20 3.24 Feed Ass'y...
Page 5 - Reference Information
C o n t i n u e d 4.2.3 Copy Problems 4-51 4.2.4 Paper Feed problems – Causes and Solutions 4-55 4.2.5 Printer Faults – Causes and Solutions 4-63 4.2.6 Toner Cartridge Service 4-73 4.2.7 Software Problems – Causes and Solutions 4-78 5. Exploded Views & Parts List s 5.1 Main Exploded View 5-2 5.2...
Page 7 - Service Manual; Precautions; authorized
Service Manual Precautions 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 eng...
Page 8 - 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 10 - 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 11 - Use only a grounded tip soldering iron to solder or desolder ESDs.
Service Manual Precautions 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 13 - Product spec and feature; Product specification and feature; Items; F-114P F-114
Service Manual Product spec and feature 2-1 2. Product specification and feature 2.1 Product Specifications Specfications are correct at the time of printing. Product specifications are subject to change without notice.See below for product specifications. Items F-114 Series Model Name F-114P F-114 ...
Page 14 - F-114P F-114
Service Manual Product spec and feature 2-2 Items F-114 Series Model Name F-114P F-114 Scan Halftone 256level 256level Scan Method "CIS, Mono" "CIS, Mono" *Scan Speed Gray Up to 72 sec - (Second /scan) Color - - Black&White Up to 25 sec - Resolution(Optical) Up to 200 x 200 DPI e...
Page 15 - 14P
Service Manual Product spec and feature 2-3 Items F- 114 Series Model Name F- 114P F- 114 Fax Halftone 256level 256level (Continued) Memory Capacity Total memory: 8MB( Fax: 2MB) Total memory: 8MB(Fax: 2MB) Optional Memory No No Broadcasting Yes Yes Delay TX Yes Yes Memory RX Yes Yes Functions Voice ...
Page 16 - F-114P F-114
Service Manual Product spec and feature 2-4 Items F- 114 Series Model Name F-114P F-114 Software Windows Win 2000 Yes No Compatiblity Win 2003 Yes No (Scan/Print) Win XP Yes No Win Vista Yes No Driver GDI Printer SPL No TWAIN Yes No FaxRCP Yes No (Windows ONLY) Mac Printer Yes No Mac Scanner No No L...
Page 17 - Summary of Product
Service Manual Product spec and feature 2-5 Summary of Product 2.2 Summary of Product This chapter describes the functions and operating principals of the main components. 2.2.1 Printer Components 2.2.1.1 Front View
Page 18 - 14P F-114
Service Manual Product spec and feature 2-4 Items F- 114 Series Model Name F- 114P F-114 Software Windows Win 2000 Yes No Compatiblity Win 2003 Yes No (Scan/Print) Win XP Yes No Win Vista Yes No Driver GDI Printer SPL No TWAIN Yes No FaxRCP Yes No (Windows ONLY) Mac Printer Yes No Mac Scanner No No ...
Page 21 - The
Service Manual Product spec and feature 2-9 2.2.2 Overview of System The F- 114 / F-114P can be divided into the following main constituent parts: Main Controller, Operator’s Panel, PC Interface, Scanner, Line Interface and Power Supply. The Main Controller uses an SPGPm processor. TheOperator’s pan...
Page 24 - • To prevent overheating; • Scan Image Controller
Service Manual Product spec and feature 2-12 2.2.3.4(e) Safety Features • To prevent overheating - 1st protection device: Hardware cuts off when overheated- 2nd protection device: Software cuts off when overheated- 3rd protection device: Thermostat cuts off mains power to the lamp. • Safety device -...
Page 28 - •Main function block; • Access Time : 60 nsec
Service Manual Product spec and feature 2-16 2.2.4.1 ASIC (Chorus2) The unt' 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 CMO...
Page 29 - ) Paper Empty Sensor
Service Manual Product spec and feature 2-17 2.2.4.4 Sensor input circuit 1) Paper Empty Sensor The Paper Empty sensor (Photo Interrupter) on the SMPS/HVPS PBA is monitored by the CPU on signal(nP_EMPTY, CN3-Pin 1). When the cassette is empty the printer displays a message on the LCDpanel. 2) MP Sen...
Page 31 - ) OPC Ground ZENER Voltage
Service Manual Product spec and feature 2-19 2.2.5.1 HVPS(High Voltage Power Supply) 1) Transfer High Voltage (THV+) - Function : It is this voltage that transfers toner from the OPC Drum to the paper.- Output voltage : +1300V DC±20V - Error : IF THV (+) is not present, low density printing occurs d...
Page 32 - ) Rated Power Output; Item
Service Manual Product spec and feature 2-20 2.2.5.2 SMPS (Switching Mode Power Supply) ItThis is the power source for the whole system. It is an independent module so that it is possible to use it forcommon use. It is mounted at the bottom of the set.It consists of the SMPS section, which supplies ...
Page 33 - ) Environment Condition
Service Manual Product spec and feature 2-21 6) Feature - Insulating resistance : over 50MΩ (at DC500V)- Insulating revisiting pressure : Must be no problem within 1min. (at 1500Vzc, 10mA)- Leaking current : under 3.5mA- Running current : under 40A peak (at 25°c, Cold start) Under 60A peak (in other...
Page 34 - sensor is still not on after certain time, it is Jam 0.
Service Manual Product spec and feature 2-22 2.2.6 Engine F/W 2.2.6.1 Feeding If feeding from the cassette the drive of the pickup roller is controlled by controlling the pick-up solenoid.The on/off of the solenoid is controlled by controlling the general output port or the external output port. Iff...
Page 35 - Error Type; Error
Service Manual Product spec and feature 2-23 2.2.6.4 Fusing The temperature of the heat roller's surface is detected according to the resistance value of the thermistor.The thermistor resistance is measured using the A/D converter and thus the CPU can determine the temperature of the heat roller. Th...
Page 37 - Disassembly and Reassembly; General Precautions on Disassembly; Check to verify that documents are not stored; Releasing Plastic Latches
Service Manual Disassembly and Reassembly 3-1 3. Disassembly and Reassembly 3.1 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 ca...
Page 38 - Push the Bushing on RH end of the roller slightly inward,; Remove the four screws securing the Rear Cover and
Service Manual Disassembly and Reassembly 3-2 3.2 White Roller Ass,y 1. Open the OPE Unit. 2. Push the Bushing on RH end of the roller slightly inward, then rotate it until it reaches the slot as shown below.Then lift the roller out. Note: Check the roller for any dirt. Clean with a soft cloth dampe...
Page 39 - Speaker
Service Manual Disassembly and Reassembly 3-3 3.4 Side Cover L 1. Before you remove the Side Cover L, you should remove:- Remove handset and cradle. 2. Release the latches from Frame Ass,y in the direction of the arrow, as shown below. Take care to disconnectspeaker harness. 3. If necessary, remove ...
Page 40 - Unplug the OPE connector from the Main PBA and
Service Manual Disassembly and Reassembly 3-4 3.6 OPE Unit 1. Before you remove the OPE Unit, you should remove: - Rear Cover (see section 3.3) 2. Unplug the OPE connector from the Main PBA and Scan Motor Harness, as shown below.Then remove the two screws securing the GroundCable and remove it. Note...
Page 41 - Remove the seven screws securing the OPE PBA
Service Manual Disassembly and Reassembly 3-5 6. Remove the seven screws securing the OPE PBA and remove it. 7. Remove the Contact Rubber from the OPE Cover. 8. Remove the Key Pad from the OPE Cover. OPE PBA Key Pad Contact Rubber
Page 42 - Samsung Electronics; Before you remove the ADF Rubber Pad, you should
Service Manual Disassembly and Reassembly 3-6 Samsung Electronics 1. Before you remove the ADF Rubber Pad, you should remove: - Rear Cover (see section 3.3)- OPE Unit (see section 3.6) 2. Insert a flat-blade screwdriver into the slot as shown below, and release the latches.Take out the Rubber Holder...
Page 43 - Unlatch the CIS using a flat-blade screwdriver and; Pull up the Exit Roller using a flat-blade screwdriver
Service Manual Disassembly and Reassembly 3-7 Samsung Electronics 1. Before you remove the CIS, you should remove: - White Roller Ass'y (see section 3.2)- Rear Cover (see section 3.3) 2. Unplug the CIS connector from the Main PBA. (CN14) 3. Unlatch the CIS using a flat-blade screwdriver and release ...
Page 45 - Remove the four screws securing the Top Cover and
Service Manual Disassembly and Reassembly 3-9 1. Before you remove the Scan Ass'y, you should remove: - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) - Side Cover R (see section 3.5) - Front Cover (see section 3.10) 2. Unplug the three connectors (OPE, CIS, scan motor) from the Main ...
Page 46 - Remove the three silver screws securing the Scan; Scan Motor
Service Manual Disassembly and Reassembly 3-10 1. Before you remove the Scan Motor Ass'y, you should remove: - Rear Cover (see section 3.3)- Side Cover L (see section 3.4)- Side Cover R (see section 3.5)- OPE Unit (see section 3.6)- Front Cover (see section 3.10)- Scan Ass'y (see section 3.11) 2. Op...
Page 47 - Before you remove the ADF Roller, you should
Service Manual Disassembly and Reassembly 3-11 1. Before you remove the ADF Roller, you should remove: - Rear Cover (see section 3.3)- Side Cover L (see section 3.4)- Side Cover R (see section 3.5)- Front Cover (see section 3.10)- Scan Ass'y (see section 3.11)- Scan Motor Ass'y (see chapter 3.12) 2....
Page 48 - Before you remove the Sub Hook PBA, you should
Service Manual Disassembly and Reassembly 3-12 1. Before you remove the Sub Hook PBA, you should remove: - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) 2. Unplug the one connector from the Sub Hook PBA, as shown below. 3. Remove the one screws securing the Sub Hook PBA and remove it...
Page 49 - Note : When re-fitting the Drive Ass’y tighten the screws
Service Manual Disassembly and Reassembly 3-13 1. Before you remove the Drive Ass'y, you should remove: - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) Note : When re-fitting the Drive Ass’y tighten the screws in the order that they are numbered on the baseplate. 2. Remove the six sc...
Page 50 - Remove the four screws securing the Exit Cover Ass'y
Service Manual Disassembly and Reassembly 3-14 1. Before you remove the Exit Cover Ass'y, you should remove: - Scan Ass'y (see section 3.11) - Sub High PBA (see section 3.14) 2. Remove the four screws securing the Exit Cover Ass'y and remove it, as shown below. 3. Remove the Exit Gear and Bearing us...
Page 51 - Unplug the two connectors from the LSU, as shown; Remove the twelve screws securing the Engine Shield
Service Manual Disassembly and Reassembly 3-15 1. Before you remove the LSU, you should remove: - Scan Ass'y (see section 3.11) 2. Unplug the two connectors from the LSU, as shown below. 3. Remove the four screws securing the LSU andremove it. 3.18 LSU-Unit LSU 1. Before you remove the Engine Shield...
Page 52 - Before you remove the Main PBA, you should; Main PBA
Service Manual Disassembly and Reassembly 3-16 1. Before you remove the Main PBA, you should remove: - Engine Shield Ass,y (see section 3.19) 2. Remove the three screws securing the Main PBA and remove it. Then carefully release the latches fromSupporter, as shown below. 3.20 Main PBA Main PBA 2 1 S...
Page 53 - Remove the three screws securing the Inlet Bracket; SMPS
Service Manual Disassembly and Reassembly 3-17 1. Before you remove the SMPS, you should remove: - Engine Shield Ass,y (see section 3.19) 2. Remove the three screws securing the Inlet Bracket and remove it. 3. Unplug one connector. 4. Remove the four screws securing the SMPS and remove it. Then Lift...
Page 54 - Unplug the two connectors from the Main PBA and; Idle Gear
Service Manual Disassembly and Reassembly 3-18 1. Before you remove the Fuser Ass'y, you should remove: - Engine Shield Ass,y (see section 3.19) 2. Unplug the two connectors from the Main PBA and SMPS, as shown below. Then remove the fourscrews securing the Fuser Ass'y and remove it. 3. Remove the t...
Page 55 - Remove the four screws securing the Fuser Cover; Thermister Harness; Thermister
Service Manual Disassembly and Reassembly 3-19 6. Remove the four screws securing the Fuser Cover and remove it, as shown below. 7. Unwrap the Thermister Harness, as shown below. 8. Remove the one screw securing the Thermister and remove it, as shown below. Thermister Harness Fuser Cover Claw Thermi...
Page 56 - Remove the three screws securing the Transfer Earth; Bush
Service Manual Disassembly and Reassembly 3-20 Samsung Electronics 1. Before you remove the Transfer Ass'y, you should remove: - LSU (see section 3.18) 2. Remove the three screws securing the Transfer Earth and remove it. 3. Unplug the PTL Holder connector, then remove the PTL Holder and PTL Lens, a...
Page 57 - Remove the two screws securing the Paper Guide
Service Manual Disassembly and Reassembly 3-21 Samsung Electronics 1. Before you remove the Feed Ass'y, you should remove: - Scan Ass'y (see section 3.11) - Drive Ass'y (see section 3.15) - LSU (see section 3.18) 2. Remove the two screws securing the Paper Guide and remove it. 3. Pull up the Feed Id...
Page 58 - Pull up the Feed Roller and Feed Roller1.
Service Manual Disassembly and Reassembly 3-22 Samsung Electronics 6. Remove the Feed Gear1 Ass'y. 7. Pull up the Feed Roller and Feed Roller1. Feed Gear1 Ass'y Feed Roller1 Feed Roller
Page 59 - Remove the two screws securing the Manual
Service Manual Disassembly and Reassembly 3-23 Samsung Electronics 1. Before you remove the Pick up Ass'y, you should remove: - Scan Ass'y (see section 3.11) - Drive Ass'y (see section 3.15) - LSU (see section 3.18) - Engine Shield Ass,y (see section 3.19) 2. Remove the Pick up Gear Ass,y. 3. Take o...
Page 61 - Alignment & Troubleshooting; Adjustment and Troubleshooting; Alignment and Adjustments; ADF Part; Engine Part
Service Manual Alignment & Troubleshooting 4-1 4. Adjustment and Troubleshooting 4.1 Alignment and Adjustments 4.1.1 Paper path ADF Part PTL P I C K /R PR CR DR SR TR FR OPC L S U Fuser Toner Cartridge 1 2 3 4 5 6 8 7 Engine Part ADF R 10 9 ER WR
Page 63 - does not pass the exit sensor within a certain time); Paper Feed Sensor
Service Manual Alignment & Troubleshooting 4-3 4.1.1.2 Printer Paper Path 1) After receiving print job the printer feeds 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 operated within a cer- tain time) 3) Aft...
Page 64 - Paper Jam1; Paper Jam2; Bypass Jam
Service Manual Alignment & Troubleshooting 4-4 4.1.2 Clearing Paper Jams Occasionally paper can become 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...
Page 65 - ) Remove the remaining documents from the ADF.
Service Manual Alignment & Troubleshooting 4-5 4.1.2.1 Clearing Document Jams When a document jams while passing through the ADF (Automatic Document Feeder) "Document Jam" appears on thedisplay. 4.1.2.1(a) Input Misfeed 1) Remove the remaining documents from the ADF. 2) Pull the jammed d...
Page 67 - Message
Service Manual Alignment & Troubleshooting 4-7 4.1.2.2 Clearing Paper Jams When a paper jam occurs, "Paper Jam" appears on the display. Refer to the table below to locate and clear the paper jam. To avoid tearing the paper pull the jammed paper out gently and slowly. Follow the steps on ...
Page 68 - ) Remove the jammed paper by gently pulling it straight out.
Service Manual Alignment & Troubleshooting 4-8 3) Remove the jammed paper by gently pulling it straight out. If there is any resistance and the paper does not move when you pull or if you cannot see the paper in this area, skip tothe fuser area around the toner cartridge. 4) Insert the paper tra...
Page 69 - ejected continue to step 2.
Service Manual Alignment & Troubleshooting 4-9 4.1.2.3 In the Paper Exit Area 1) Open and close the front cover. The jammed paper is automatically ejected from the machine. If the paper is not ejected continue to step 2. 2) Gently pull the paper out of the front output tray. Skip to step 6. If t...
Page 70 - ) Remove the jammed paper by gently pulling it straight out.
Service Manual Alignment & Troubleshooting 4-10 4.1.2.4 In the Fuser Area or Around the Toner Cartridge NOTE :The fuser area is hot. Take care when removing paper from the machine. 1) Open the front cover and lightly push down on the cartridge then pull to take it out. 2) Remove the jammed paper...
Page 71 - • Flex, fan and straighten the paper before loading.
Service Manual Alignment & Troubleshooting 4-11 4.1.2.5 In the Bypass Tray "Bypass Jam" appears on the display when you try to print using the manual feeder and the machine does not detectpaper due to no paper or improper paper loading. The error message may also occur when the paper is ...
Page 73 - To enter the Tech mode; To enter the Tech mode press in sequence
Service Manual Alignment & Troubleshooting 4-13 4.1.4 Tech Mode 4.1.4.1 How to Enter Tech Mode In service (tech) mode the technician can check the machine and perform various tests to help with failurediagnosis. When in Tech mode the machine still performs all normal operations. To enter the Tec...
Page 74 - SEND LEVEL; Country Group
Service Manual Alignment & Troubleshooting 4-14 4.1.4.3 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 to the best condition during manufacture. Never change settings arbitrarily. DIAL M...
Page 75 - FLASH UPGRADE
Service Manual Alignment & Troubleshooting 4-15 FLASH UPGRADE There are 2 methods to update the Flash Rom, Local and Remote. (1) Local Machine • RCP (Remote Control Panel) mode This method is for Parallel Port or USB Port. Connect the PC and activate the RCP (Remote Control Panel) toupgrade the ...
Page 76 - Push the ENTER button and an image
Service Manual Alignment & Troubleshooting 4-16 4.1.4.4 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...
Page 77 - PROTOCOL LIST
Service Manual Alignment & Troubleshooting 4-17 4.1.4.5 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 machine...
Page 78 - To enter the Engine Test mode; Engine test
Service Manual Alignment & Troubleshooting 4-18 4.1.5 Engine Test Mode The Engine Test Mode supplies useful functions to check the condition of the print engine. It tests the con-dition of each device and displays the result of the test on the LCD. It is divided into 5 functions (0~4), andthese ...
Page 80 - COMPONENT
Service Manual Alignment & Troubleshooting 4-20 4.1.7 Consumables and Replacement Parts The life cycle outlined below is a general guideline for maintenance purposes and is for reference only.Environmental conditions (temperature, humidity, dust etc.) and actual use can cause these figures to va...
Page 81 - Abnormal Image Printing and Defective Roller; Roller
Service Manual Alignment & Troubleshooting 4-21 4.1.8 Abnormal Image Printing and Defective Roller If a mark or other printing defect occurs at regular intervals down the page it may be caused by a damaged or contaminated roller. Measure the repetition interval and refer to the table below to id...
Page 85 - Adjustment and Troubleshooting; Procedure of Checkig the Symptoms
Adjustment and Troubleshooting Service Manual 4-25 4.2 Troubleshooting 4.2.1 Procedure of Checkig the Symptoms Before attempting to repair the printer first obtain a detailed description of the problem from the customer. Power On Indicate Error Massage Ready or Power save Test Print printing Quality...
Page 86 - The cause and solution of image quality; ) Vertical Black Line and Band; Dark black vertical bands occurrs in the printing
Service Manual Adjustment and Troubleshooting 4-26 4.2.2 The cause and solution of image quality 1) Vertical Black Line and Band Description: 1. Straight thin black vertical lines occur in the prnting 2. Dark black vertical bands occurrs in the printing Digital PrinterDigital PrinterDigital PrinterD...
Page 87 - ) Vertical White Line; Description: White vertical voids in the image.
Adjustment and Troubleshooting Service Manual 4-27 2) Vertical White Line Description: White vertical voids in the image. Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital Printer
Page 88 - ) Horizontal Black Bands; Bad contacts on the toner
Service Manual Adjustment and Troubleshooting 4-28 3) Horizontal Black Bands Description: Dark or blurry horizontal stripes occur in the printing periodically (These may occurs at regular intervals down the page.) 1) Charge roller = 37.7 mm2) Supply roller = 37 mm3) Develop roller = 35.3 mm4) Transf...
Page 89 - White spots occur periodically in the printing
Adjustment and Troubleshooting Service Manual 4-29 4) Black/White Spot Description: 1. Dark or blurry spots occur periodically in the printing 2. White spots occur periodically in the printing 1. If dark or blurry black spots occur periodically, the rollers in the Developer may be contaminated with ...
Page 91 - ) Dark image or Black
Adjustment and Troubleshooting Service Manual 4-31 6) Dark image or Black Description: The printed image is dark. Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital Printer
Page 92 - Description: Print Density is uneven between left and right.
Service Manual Adjustment and Troubleshooting 4-32 7) Uneven Density Description: Print Density is uneven between left and right.
Page 94 - Digital Printer
Service Manual Adjustment and Troubleshooting 4-34 9) Ghost(1) Description: Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 75.5 mm
Page 95 - When printing on card stock
Adjustment and Troubleshooting Service Manual 4-35 10) Ghost (2) Description: Ghost occurs at 75 mm intervals of the OPC drum in the whole printing. (When printing on card stock or transparencies using manual feeder) When printing on card stock thicker than normal paper or transparencies such as OHP...
Page 97 - The life of the developer
Adjustment and Troubleshooting Service Manual 4-37 12) Ghost (4) Description: A White ghost occurs in a black image printing at 32 mm intervals. 1. The life of the developer may be expired. 2. Abnormal output from the HVPS. Problem in the toner cartridge, replace the toner cartridge and try to print...
Page 98 - 3) Stains on the Face of Page; If the transfer roller is
Service Manual Adjustment and Troubleshooting 4-38 13) Stains on the Face of Page Description: The background on the face of the printed page is stained. 2. If the transfer roller is contaminated, stains on the face of page will occur. 1. Toner leakage due to improperly sealed toner cartridge. Repla...
Page 99 - 4) Stains on Back of Page; Replace the transfer roller if
Adjustment and Troubleshooting Service Manual 4-39 14) Stains on Back of Page Description: The back of the page is stained at 45.3 or 75.5 mm intervals. 1. 45.3mm : Transfer roller is contaminated. 2. 75.5mm : Pressure roller is contaminated. Perform the OPC Cleaning Mode Print 2 or 3 times. Run Sel...
Page 100 - Bad ground contacts in
Service Manual Adjustment and Troubleshooting 4-40 15) Blank Page Print out (1) Description: Blank page is printed. 1. Bad ground contacts in OPC and/or toner cartridge. 1. Check if the Ground-OPC or the OPC Ground Zener diode are defective or open circuit. (set inside left side) 2. Remove contamina...
Page 102 - telephone line cord supplied
Service Manual Adjustment and Troubleshooting 4-42 1) No Dial Tone 4.2.2 Fax & Phone Problems Description: There is no dial tone when the On-Hook dial button is pressed. 1. Check that the telephone line cord supplied with the set is connected to TEL LINE correctly. If the telephone cord is OK bu...
Page 103 - Description: The MF DIAL is not functioning.
Adjustment and Troubleshooting Service Manual 4-43 2) Defective MF DIAL Description: The MF DIAL is not functioning. 1. Check that the telephone line cord supplied with the set is connected to TEL LINE correctly. If the telephone cord is OK but there is no dial tone, try plugging a normal telephone ...
Page 104 - Check that you can
Service Manual Adjustment and Troubleshooting 4-44 3) Defective FAX FORWARD/RECEIVE Description: FAX FORWARD/RECEIVE is not functioning. 1. Check that you can hear a dial tone by pressing OHD. If MODEM testing is normal and there is no dial tone, then try replacing the Main B'd. 2. Check that you ca...
Page 105 - ) Defective FAX FORWARD
Adjustment and Troubleshooting Service Manual 4-45 4) Defective FAX FORWARD Description: RECEIVE is functioning, but FORWARD is not functioning or received data is corrupt. 1. Check if there is a NOISE line by pressing on-hook dial and listening. If you can hear a noisy line when using on-hook dial,...
Page 106 - Check if there is a NOISE
Service Manual Adjustment and Troubleshooting 4-46 5) Defective FAX RECEIVE (1) Description: FORWARD is functioning, but RECEIVE is not functioning or the received data is corrupt. 1. Check if there is a NOISE line by pressing on-hook dial and listening If you can hear a noisy line when using on-hoo...
Page 107 - Description: Received data are lengthened or cut in the printing.
Adjustment and Troubleshooting Service Manual 4-47 6) Defective FAX RECEIVE (2) Description: Received data are lengthened or cut in the printing. 1. Check if there is a NOISE line by pressing on-hook dial and listening If you can hear a noisy line when using on-hook dial, replace or repair the telep...
Page 108 - Check that the RECEIVE
Service Manual Adjustment and Troubleshooting 4-48 7) Defective FAX RECEIVE (3) Description: The phone is ringing continuously, but it set does not answer the call. 1. Check that the RECEIVE Mode is set to FAX MODE. If the fault persists even when the RECEIVE Mode is changed to FAX MODE then replace...
Page 109 - Check the FAX status
Adjustment and Troubleshooting Service Manual 4-49 8) Defective FAX RECEIVE (4) Description: Received data is reduced by more than 50% in the printing. 1. Check the FAX status of the forwarding side. This is a problem with the sending fax machine.Correct the setting on the remote machine.
Page 110 - ) Defective Automatic Receiving; Description: The automatic receiving function is not working.
Service Manual Adjustment and Troubleshooting 4-50 9) Defective Automatic Receiving Description: The automatic receiving function is not working. 1. Check that the RECEIVE Mode is set to FAX MODE. 1. If the RECEIVE Mode is set to the TEL MODE, reset it to the FAX MODE.2. Even after the RECEIVE Mode ...
Page 111 - Description: Blank page is printed out when copying.
Adjustment and Troubleshooting Service Manual 4-51 4.2.3 Copy Problems 1) White Copy Description: Blank page is printed out when copying. 1. Check the Scanner Cover is properly closed. 2. Check shading profile. 3. Check white/black reference voltage on Main PBA. e.q • CIS_SI, CIS_CLK at Chip(U28) Ro...
Page 112 - Description: Black page is printed out when Copying.
Service Manual Adjustment and Troubleshooting 4-52 2) Black Copy Description: Black page is printed out when Copying. 1. Check for CIS problem on the Main PBA. 2. Check shading profile. Check the CIS harness is properly connected. Redo shading profile in the tech mode.
Page 113 - Description: There is noise from the Platen when copying.
Adjustment and Troubleshooting Service Manual 4-53 3) Abnormal noise Description: There is noise from the Platen when copying. 1. Check the Scan Motor and gesr. 2. Check the Motor Driver on Driver PBA. Check for correct assembly of gear and motor.Ensure no parts are fouling and there are no foreign ...
Page 114 - ) Defective Image Quality; Description: The copied image is excessively light or dark
Service Manual Adjustment and Troubleshooting 4-54 4) Defective Image Quality Description: The copied image is excessively light or dark 1. Check shading profile. 2. Check the gap between original and scanner glass. 3. Check printing quality. Redo shading profile in the tech mode. A gap of more than...
Page 115 - Paper Feed problems – Causes and Solutions; ) Wrong Print Position; Description: Printing begins at wrong position on the paper.
Adjustment and Troubleshooting Service Manual 4-55 4.2.4 Paper Feed problems – Causes and Solutions 1) Wrong Print Position Description: Printing begins at wrong position on the paper. Wrong sensor timing caused by defective feed sensor actuator. Replace the defective actuator
Page 116 - Jam-0 occurs when the paper feeds into the printer
Service Manual Adjustment and Troubleshooting 4-56 2) JAM 0 Description: 1. Paper is not exited from the cassette. 2. Jam-0 occurs when the paper feeds into the printer 3. Check paper separator pad 4. Check the pick up roller for contamination and correct assembly. 5. If continuous clusters occur, c...
Page 117 - If the paper feeds into the
Adjustment and Troubleshooting Service Manual 4-57 6. If the paper feeds into the printer and Jam 0 occurs, perform Tech Mode to check feed sensor. Check the SMPS PBA, Main PBA and all connections. Continue.. PTL P I C K /R PR CR DR SR TR FR Empty Sensor OPC L S U Fuser Toner Cartridge EXIT Sensor F...
Page 118 - Description: 1. Paper is jammed in front of or inside the fuser.
Service Manual Adjustment and Troubleshooting 4-58 3) JAM 1 Description: 1. Paper is jammed in front of or inside the fuser. 2. Paper is stuck in the exit roller and in the fuser just after passing through the Actuator-Feed. 1. If the recording paper is jammed in front of or inside the fuser. 2. If ...
Page 120 - Description: Multiple sheets of paper are fed at once.
Service Manual Adjustment and Troubleshooting 4-60 5) Multi-Feeding Description: Multiple sheets of paper are fed at once. 1. Check that the paper size guides are set correctly (cassette and MPF tray). Adjust paper guides. 2. Solenoid malfunction (the solenoid does not work properly). Replace the so...
Page 121 - ) Paper rolled in the fuser; Description: Paper rolled around fuser rollers or ‘Concertina’ jam
Adjustment and Troubleshooting Service Manual 4-61 6) Paper rolled in the fuser Description: Paper rolled around fuser rollers or ‘Concertina’ jam 1. Contamination of the pressure roller or heat roller. After disassembling the fuser, clean contamination from between the heat roller and the thermisto...
Page 122 - ) Paper rolled on the OPC Drum; Description: Paper is rolled up in the OPC.
Service Manual Adjustment and Troubleshooting 4-62 7) Paper rolled on the OPC Drum Description: Paper is rolled up in the OPC. 1. Paper is too thin. Use paper that conforms to the printer specification. 2. The face of paper is curled. Ensure paper is stored properly to prevent curl. Note. To remove ...
Page 123 - Printer Faults – Causes and Solutions; cable or heat lamp is open circuit.
Adjustment and Troubleshooting Service Manual 4-63 4.2.5 Printer Faults – Causes and Solutions 1) Fuser Error Description: A message "Open Heat Error/Over heat/Heating Error' is displayed in the LCD panel. 1. Thermostat, fuser power cable or heat lamp is open circuit. Replace the whole fuser ass...
Page 124 - Description: A message “LSU Error” is displayed in the LCD panel.
Service Manual Adjustment and Troubleshooting 4-64 2) LSU Error Description: A message “LSU Error” is displayed in the LCD panel. 1. LSU cable or connector faulty. Use TECH mode to test the LSU- Replace the LSU- Replace a main board if the same error persists after replacing a LSU. Use TECH mode to ...
Page 125 - ) Fuser gear melts due to overheating causing Paper Jam.; Description: Constant Jam where paper is entering Fuser unit.
Adjustment and Troubleshooting Service Manual 4-65 3) Fuser gear melts due to overheating causing Paper Jam. Description: Constant Jam where paper is entering Fuser unit. Fuser rollers do not turn 1. Check the Heat Lamp, thermostat and thermistor Use EDC Mode to test the fuser. Replace Fuser unitRep...
Page 126 - Deformed paper sensor
Service Manual Adjustment and Troubleshooting 4-66 4) Paper Empty Description: Paper Empty is displayed in the LCD panel even when paper is loaded in the cassette. 1. Deformed paper sensor actuator or faulty sensor. Replace the defective actuator or sensor. Replace the SMPS PBA or MAIN PBA as approp...
Page 127 - ) Paper Empty without indication
Adjustment and Troubleshooting Service Manual 4-67 5) Paper Empty without indication Description: The paper empty message does not appear in the LCD when the paper cassette is empty. 1. Deformed paper sensor actuator or faulty sensor. Replace the defective actuator. Replace the SMPS PBA or MAIN PBA ...
Page 129 - ) No error message when the cover is open; The ‘Open Cover’ microswitch
Adjustment and Troubleshooting Service Manual 4-69 7) No error message when the cover is open Description: The Cover Open message does not appears on the LCD even when the print cover is open. 1. The ‘Open Cover’ microswitch may be stuck or faulty. Use TECH mode(“cover sensor test”) to check cover s...
Page 130 - ) Defective motor operation; The main motor harness or
Service Manual Adjustment and Troubleshooting 4-70 8) Defective motor operation Description: Main motor is faulty and paper does not feed into the printer, resulting in Jam 0' 1. The main motor harness or Motor PCB may be faulty. Check the motor harnesses and connectors, replace if defective.. If th...
Page 132 - 0) Printed Vertical Lines become curved
Service Manual Adjustment and Troubleshooting 4-72 10) Printed Vertical Lines become curved Description: When printing, vertical lines are not straight. 1. Check stability of 24V supply to LSU. 24V stable - Replace LSU.24V unstable replace SMPS, if the problem persists replace the main PBA.
Page 133 - Only; Note : Help the environment by recycling your used toner car-; Unpack the new toner cartridge and gently shake it hor-
Adjustment and Troubleshooting Service Manual 4-73 4.2.6 Toner Cartridge Service Only authorized toner cartridges should be used. Printing defects or set damage caused by the use of non-approved toner cartridges or un-licensed toner refills are not covered by the guarantee. 4.2.6.1 Precautions on Sa...
Page 134 - • Spotting a refilled cartridge by eye.; - Explanation: The amount of toner remaining is less than 10%
Service Manual Adjustment and Troubleshooting 4-74 4.2.6.3 Standard of guarantee for consumable parts. Please refer to User's Manual or Instructions on Fax/Printer Consumables SVC manual for the criteria for judging thequality of consumable parts the standard of guarantee on those parts. • Spotting ...
Page 135 - Fault
Adjustment and Troubleshooting Service Manual 4-75 4.2.6.5 Signs and Measures of Poor toner cartridge Fault Signs Cause & Check Solution Light image andpartially blankimage(Cartridge life isended.) TonerContamination • The printed image is light or dirty anduntidy. • Parts of the image are not p...
Page 137 - • The printed image
Adjustment and Troubleshooting Service Manual 4-77 Fault Signs Cause & Check Solution Ghost & ImageContamination • The printed image is too light or dark,or partially contaminated black. • Totally contaminated black.(Black image printed out) • The density of printouts is too darkand ghost oc...
Page 138 - Software Problems – Causes and Solutions
Service Manual Adjustment and Troubleshooting 4-78 4.2.7 Software Problems – Causes and Solutions 1) The printer is not working (1) Description: While Power turned on, the printer is not working in the printing mode. 1. Run Self-Test Mode: using the menu buttons print the test page. (Menu, Enter, En...
Page 139 - Printer does not work at all or strange fonts are printed,
Adjustment and Troubleshooting Service Manual 4-79 2) Abnormal Printing 1. Set up the parallel port using CMOS SETUP. Ensure that ECP (best) or SPP is selected in the CMOS (BIOS) setup. Ensure that the correct driver is loaded. Use the driver supplied on the CD or downloaded from the web site. DO NO...
Page 141 - Add up more memory to the PC.
Adjustment and Troubleshooting Service Manual 4-81 6. Memory is less than suggested. Add up more memory to the PC. Continue.. How to delete the data in the spool manager. In the spool manager, the installed drivers and the list of the documents waiting to be printed are shown.Select the document to ...
Page 143 - Exploded; and Parts List; DIGITAL LASER MFP; Product spec and feature
Service Manual Exploded View and Parts list 5-1 5. Exploded View s and Parts List 5.1 Main Exploded View 5-2 5.2 Top Cover Exploded View 5-5 5.3 OPE Ass’y Exploded View 5-7 5.4 Scan Upper Ass’y Exploded View 5-9 5.5 Main Frame Exploded View 5-11 5.6 Fuser Unit Exploded View 5-14 5.7 Exit Cover Explo...
Page 144 - Main Exploded View
Service Manual Exploded View and Parts L ist 5-2 5.1 Main Exploded View 0 1 16 2 28 27 3 4 5 6 8 8-1 8-2 6-1 6-2 9 9-1 9-2 9-3 9-4 9-5 9-6 10 11 1 1-1 1 1-2 1 1-3 12 12-1 12-2 14 14-1 13 14-2 14-3 15 T oner Cartridge 17 18 17-1 17-2 17-2 17-2 19 20 21 25 26
Page 145 - Top Cover Exploded View
Service Manual Exploded View and Parts L ist 5-5 5.2 Top Cover Exploded View 0 1 2 3 4 5 6 5-1 5-2 5-3 7 9 10 11 12 13 8 14 15 16 17 18 19 20 20 21 21-1 21-2
Page 146 - OPE Ass’y Exploded View
Service Manual Exploded View and Parts L ist 5-7 5.3 OPE Ass’y Exploded View 0 16 1 2 3 4 5 6 17 9 7 8 10 11 12 13 14 15
Page 147 - Scan Upper Ass’y Exploded View
Service Manual Exploded View and Parts L ist 5-9 5.4 Scan Upper Ass’y Exploded View 0 1 14 2 3 4 5 6 2 4 7 8 9 10 11 12 13
Page 148 - msung Electronics; Main Frame Exploded View
Service Manual Exploded View and Parts List 5-11 msung Electronics 5.5 Main Frame Exploded View 1 6 5 11 8 9 10 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 27-1 27-2 27-3 27-4 27-5 27-6 27-4 39 43 44 45 46 47 49 51 47-1 47-2 47-3 47-4 45-1 45-2 45-3 40 41 42 32 34 33 35 36 37 38 0 2 4 3 7 12 ...
Page 149 - Fuser Unit Exploded View
Service Manual Exploded View and Parts L ist 5-14 5.6 Fuser Unit Exploded View 0 1 2 3 4 5 6 7 8 9 10 11 12 14 16 17 18 19 20 21 22 23 24 25 26 27 28 29 13 15
Page 150 - Exit Cover Exploded View
Service Manual Exploded View and Parts L ist 5-16 5.7 Exit Cover Exploded View 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 14
Page 151 - Cassette Unit Exploded View
Service Manual Exploded View and Parts L ist 5-18 5.8 Cassette Unit Exploded View 0 1 2 3 4 5 5 18 6 7 8 9 10 11 15 16 18 12 13 14 17 18
Page 153 - System Diagram
Service Manual System Diagram 9-1 6. System Diagram 6.1 Block Diagram US B 1 .1 IE E E 12 84 LD C T L . A UDI O P A R T MO D E M A FE S3 C 4 6 Q 0 X AR M 9 T D M I GE U P1 2 8 4 US B 1 .1 IT U I/ O I/ F DM A C PV C UA RT *2 ME M O R Y I/ F CA CH E (4 K ) Image Processor BACKUP FL A S H ME MOR Y ( (B...
Page 154 - LIU; MAIN; PARALLEL; HOOK; Connection Diagram
Service Manual System Diagram 9-2 DC FA N SMPS / H VP S MP SE NSOR MI C R O SWITC H EX IT SE NSOR P_ EM P SEN S OR FEED SE NSOR LIU B 'd MAIN B'd +24VS C UT (L SU,SO L ,MOT OR ) 1. +24V 2. NC 3. Co n tro l 1.HOT 2.Neut ral 110 Vf o r USA 220 Vf or E U AC IN- LE T & POWER SWITCH F. G CN1 CN3 1 .n...
Page 155 - Reference Information; Tool for Troubleshooting; a gentle neutral detergent and lint-free cloth.
Service Manual Reference Information 7-1 7. 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 is also included. 7.1 Tool for Troubleshooting The fol...
Page 156 - Acronyms and Abbreviations
Service Manual Reference Information 7-2 7.2 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. ADC Analog-to-Digital-Conversion EPP Enhanced...
Page 158 - Select a location for the printer; • Provide the proper environment :
Service Manual Reference Information 7-4 7.3 Select a location for the printer • Leave enough room to open the printer trays, covers, and allow for proper ventilation. (see diagram below) • Provide the proper environment : - A firm, level surface- Away from the direct airflow of air conditioners, he...
Page 159 - Sample Tests Patterns
Service Manual Reference Information 7-5 7.4 Sample Tests Patterns The sample patterns shown below are the standard test patterns used in the factory.The life of the toner cartridge, developer cartridge and printing speed are measured with the pattern shownbelow (5%). The A4 ISO 19752 standard patte...
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