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LASER PRINTER
Phaser 3120
Phaser 3130
Manual
SERVICE
LASER PRINTER CONTENTS
1. Precautions
2. Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. Block Diagram
7. Connection Diagram
8. Schematic Diagram
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Precautions 1. Precautions The cautions in the below are items needed to keep in mind when maintaining and servicing. Please read carefully and keep the contents in mind to prevent accidents while servicing and to prevent 1 that the machine gets damage. 1 1.1 Warning for safety. (1) Request the service by qualified service person. The service for this machine must be performed by a service person who took the additional education of this field. It is dangerous if unqualified service person or u
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Precautions 1.2 Caution for safety 1.2.1 Precaution related noxious material The toner in a printer cartridge contains a chemical material, which might harm human body if it is swallowed. Please keep children out of the toner cartridge. 1.2.2 Precaution related electric shock or fire It is possible to get electric shock or burn by fire if you don't fallow the instructions of the manual. (1) Use exact voltage. Please do use an exact voltage and wall socket. If not, a fire or an electric leakage c
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Precautions 1.2.3 Precaution related handling the machine. If you ignore this information, you could get harm and machine could be damaged. (1) Do not install it on the different levels, or slanted floor. Please confirm whether it is balanced or not after installation. If it is unbalanced, an accident can be hap- pened due to the machine fell over. (2) Be careful not to insert a finger or hair in the rotating unit. Be careful not to insert a finger of hair in the rotating unit (motor, fan, paper
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Precautions 1.3 ESD Precautions Certain semiconductor devices can be easily damaged by static electricity. Such components are commonly called “Electrostatically Sensitive (ES) Devices”, or ESDs. Examples of typical ESDs are: integrated circuits, some field effect transistors, and semiconductor “chip” components. The techniques outlined below should be followed to help reduce the incidence of component damage caused by static electricity. Caution >>Be sure no power is applied to the chassis or c
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Precautions 1.4 Tool for Troubleshooting The following tools are recommended for safe and smooth troubleshooting described in this service manual. DCU(Diagnostic Control Unit) Driver 1 4 Standard : Test equipment to diagnose the Laser Standard : "-" type, "+" type (M3 long, M3 short, M2 long, printer supplied by Samsung Electronics. M2 short). Pinset 5 Standard : For general home use, small type. DVM(Digital Volt Meter) Cotton Swab 2 6 Standard : Indicates more than 3 digits. Standard : For gen
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Specifications 2. Specifications 2.1 General Specifications 2 2 ITEM DESCRIPTION Print Technology Non-impact Electro-photograpic Printing Developing system Non-Magnetic, Mono-Component Developing System (1) Print Speed 16 PPM : A4 size , 5% Character pattern 17 PPM : Letter size , 5% Character pattern Resolution Phaser 3120 : True 600 X 600 DPI Phaser 3130 : 1200 X 600 DPI Source of Light Laser diode (LSU : Laser Scanner Unit) Warm-Up Time Power-on boot : 30 seconds or less First Print Out
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Specifications 2.2 Controller Specification DESCRIPTION ITEM Phaser 3120 Phaser 3130 Processor(CPU) Samsung Jupiter4 90MHz Samsung SPGPm 166MHz (1) OS Compatibility Win 98x/NT4.0/ME/2000/XP, Various Linux OS,Mac(Mac OS 8.6 ↑) Memory FLASH ROM(PROGRAM) : 0.5MB flash RAM : 8 MB RAM : 32 MB EEPROM(NVRAM) : 512byte Emulation SPL(Samsung Printer Language) PCL6, IBMProPrinter, EPSON Interface USB 1.1 USB - USB 2.0 - 12 Mbps 1 port Parallel : IEEE 1284 - Modes supported : Compatible,Nibble,Byte,ECP E
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Specifications 2.5 TONER Cartridge (Developer) ITEM DESCRIPTION REMARK Life span 3,000 sheets IDC 5% pattern Developing Non-magnetic Mono Conponent Contact Developing Charging Conductive Roller Charging Toner checking sensor Not Available Ozone 0.1PPM or less 8 hours Style Single cartridge 2-Paper Handling Specifications Please refer to "Paper Specifications" on user guide • Input Paper Size PAPER DIMENSIONS WEIGHT 2 A4 210 X 297 mm 60 to 90 g/m bond(16 to 24 lb) Letter 216 X 279(8.5 X 11") Leg
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Specifications Service Manual 2-4
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Disassembly and Reassembly 3. Disassembly and Reassembly 3.1 General Precautions on Disassembly 3 3 When you disassemble and reassemble compo- Releasing Plastic Latches nents, you must use extreme caution. The close proximity of cables to moving parts makes proper Many of the parts are held in place with plastic routing a must. latches. The latches break easily; release them If components are removed, any cables disturbed carefully. by the procedure must be restored as close as To remove such
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Disassembly and Reassembly 3.2 Top Cover 1. Pull the Cassette out of the printer. 4. Unlatch the front ends of the Top Cover. Cassette 2. Remove the Front Cover in the direction of 5. Remove the Top Cover in the direction of arrow. arrow. Top Cover Front Cover 3. Remove four screws. 6. Remove the Rear Cover from the Top Cover. Rear Cover Service Manual 3-2
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Disassembly and Reassembly 3.3 Fuser 1. Before you remove the Fuser, you should 5. Remove one screw and take the Idle Gear out. remove: - Top Cover(see page 3-2) Idle Gear 2. Unplug two connectors(Block) from the boards, then remove four screws. Fuser Ass'y 6. Remove four screws and divide the Fuser into two parts Fuser Cover 3. Remove two screws and take the Thermostat out of the Fuser. Thermostat 7. Remove the Thermister from the Fuser Cover. 4. Remove two screws and take the Halogen Lamp out
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Disassembly and Reassembly 3.4 Exit Roller 1. Before you remove the Fuser, you should Exit Gear remove: Bearing - Top Cover(see page 3-2) Exit Roller 2.Remove the Exit Gear, Bearing and Exit Roller. 1 2 3.5 LSU 1. Before you remove the Fuser, you should 4. Unplug two connector from the LSU remove: - Top Cover(see page 3-2) 2. Remove two screws and unplug one connector from the Frame. 5. Unplug four screws and take the LSU out. LSU 3. Remove the LED PBA Ass’y as shown below. LED PBA Cover Service
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Disassembly and Reassembly 3.6 Fan 1. Before you remove the Fuser, you should remove: - Top Cover(see page 3-2) 2. Unplug the connector from the SMPS and remove the one screw. Then take out the Fan. DC Fan 3.7 Driver Ass’y 1. Before you remove the Fuser, you should 3. Unplug one connector from the Driver Ass’y remove: - Top Cover(see page 3-2) Drive Ass'y 2. Remove the six screws from the Drive Ass’y. Service Manual 3-5
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Disassembly and Reassembly 3.8 Engine Shield Ass’y 1. Before you remove the Fuser, you should remove: - Top Cover(see page 3-2) - Fuser Connector(see page 3-3) 2. Remove the fourteen screws securing from the Engine Shield Ass’y and unplug the all connec- tors. Then take the Engine Shield Ass’y. Engine Shield Ass'y 3.9 Main PBA 1. Before you remove the Fuser, you should remove: - Top Cover(see page 3-2) Main PBA - Engine Shield Ass’y(see page 3-6) 2. Unplug one connector and remove five scr
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Disassembly and Reassembly 3.10 SMPS 1. Before you remove the Fuser, you should 3. Remove one screw and unplug one connector remove: from the Main PBA. - Top Cover(see page 3-2) - Engine Shield Ass’y(see page 3-6) 2. Unplug one connector and remove three screws then take the Inlet Ass’y out. Inlet Bracket 4. Remove three screws and take The SMPS out. SMPS Service Manual 3-7
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Disassembly and Reassembly 3.11 Transfer Roller 1. Before you remove the Fuser, you should 3. Unplug the PTL Holder Connector, then remove remove: the PTL Holder and PTL Lens, as shown below. - Top Cover(see page 3-2) PTL - LSU(see page 3-4) PTL Lens Holder 2. Remove three screws and take the Transfer Earth out. Transfer Earth 4. Unlatch the Bush and remove it. Then lift the Transfer Roller out, as shown below. Transfer Roller Bush Service Manual 3-8
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Disassembly and Reassembly 3.12 Feed Roller 1. Before you remove the Fuser, you should 5. Remove the Idle Gear and Feed Gear2. remove: - Top Cover(see page 5-2) - Drive Ass’y(see page 5-7) Feed Gear2 2. Remove two screws from the Guide Paper and take it out. Guide paper Idle Gear 6. Remove the Feed Gear 1 Ass’y, as shown below. 3. Pull up the Feed Idle Bush and Feed Idle Shaft, Feed Gear1 Ass'y as shown below. Feed Idle Shaft Bush 7. Remove the Feed Roller and Feed Roller 1, as shown belo
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Disassembly and Reassembly 3.13 Pick Up Roller 1. Before you remove the Fuser, you should 3. Remove the Pick up Ass’y, as shown below. remove: - Top Cover(see page 3-2) - Drive Ass’y(see page 3-5) - Engine Shield Ass’y(see page 3-6) 2. Remove the Pick up Gear Ass’y, as shown below. Pick up Gear Ass'y Bush 1 2 Pick up Ass'y 3.14 Solenoid 1. Before you remove the Fuser, you should remove: - Top Cover(see page 3-2) - Drive Ass’y(see page 3-5) - Engine Shield Ass’y(see page 3-6) - Pick Up Rolle
