Service Manual
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...Mono-Component Developing System 16 PPM : A4 size , 5% Character pattern 17 PPM : Letter size , 5% Character pattern ML-1710 : True 600 X 600 DPI ML-1750 : 1200 X 600 DPI Laser diode (LSU : Laser Scanner Unit) Power-on boot : 30 seconds or less Less... pages maximum Pick Up Roller : 60,000 Sheets Feed Roller : 60,000 Sheets Transfer Roller : 60,000 Sheets Fuser Assembly : 60,000 Sheets (1) For measuring the printing speed, count the papers which outputted within one minute from when... or the system list. (Refer to the 6.3 Receive the service information) Samsung Electronics Service Manual 3-1
...Mono-Component Developing System 16 PPM : A4 size , 5% Character pattern 17 PPM : Letter size , 5% Character pattern ML-1710 : True 600 X 600 DPI ML-1750 : 1200 X 600 DPI Laser diode (LSU : Laser Scanner Unit) Power-on boot : 30 seconds or less Less... pages maximum Pick Up Roller : 60,000 Sheets Feed Roller : 60,000 Sheets Transfer Roller : 60,000 Sheets Fuser Assembly : 60,000 Sheets (1) For measuring the printing speed, count the papers which outputted within one minute from when... or the system list. (Refer to the 6.3 Receive the service information) Samsung Electronics Service Manual 3-1
Service Manual
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4.2 System Layout S U M M A RY OF PRO D U C T 6 L S U 5 Fuser PR CR Toner Cartridge DR 7 OPC SR PTL MP Sensor 2 TR 3 4 FR K /R P IC 1 1 Cassette 2 Manual Feeder 3 Transfer Roller 4 PTL(Per-Tramsfer-Lamp) 5 Fuser 6 LSU(Laser Scan Unit) 7 Toner Cartridge Samsung Electronics Service Manual 4-5
4.2 System Layout S U M M A RY OF PRO D U C T 6 L S U 5 Fuser PR CR Toner Cartridge DR 7 OPC SR PTL MP Sensor 2 TR 3 4 FR K /R P IC 1 1 Cassette 2 Manual Feeder 3 Transfer Roller 4 PTL(Per-Tramsfer-Lamp) 5 Fuser 6 LSU(Laser Scan Unit) 7 Toner Cartridge Samsung Electronics Service Manual 4-5
Service Manual
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...by one . By driving the motor, it maintains the regular temperature of the heat roller by Samsung. 110V : Heat Lamp type Fuser 220V : Heat Lamp type or Q-PID type Fuser 4.2.4.1 Temperature-Intercepting Device (Thermostat) The thermostat is the temperature-intercepting device, which passes the ...drum, makes the current on the paper when paper passes between the heat roller and the pressure roller. Service Manual 4-6 Samsung Electronics The fuser is overheated. 4.2.4.2 Temperature Detecting Sensor (Thermistor) The Thermistor detects the surface temperature of the heat roller, and it ...
...by one . By driving the motor, it maintains the regular temperature of the heat roller by Samsung. 110V : Heat Lamp type Fuser 220V : Heat Lamp type or Q-PID type Fuser 4.2.4.1 Temperature-Intercepting Device (Thermostat) The thermostat is the temperature-intercepting device, which passes the ...drum, makes the current on the paper when paper passes between the heat roller and the pressure roller. Service Manual 4-6 Samsung Electronics The fuser is overheated. 4.2.4.2 Temperature Detecting Sensor (Thermistor) The Thermistor detects the surface temperature of the heat roller, and it ...
Service Manual
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The power of the fuser is cut off the power • Safety device - After detecting the /HS YNC signal, the image data is sent to the LSU to arrange the ... the polygon mirror to arrange the vertical line of the polygon mirror is controlled by using the rotation principal of LBP. Samsung Electronics Service Manual 4-7 Maintains the surface temperature of the Fuser Cover under 80°C and attach the caution label inside of the rear cover where customer can find easily. 4.2.5 LSU...
The power of the fuser is cut off the power • Safety device - After detecting the /HS YNC signal, the image data is sent to the LSU to arrange the ... the polygon mirror to arrange the vertical line of the polygon mirror is controlled by using the rotation principal of LBP. Samsung Electronics Service Manual 4-7 Maintains the surface temperature of the Fuser Cover under 80°C and attach the caution label inside of the rear cover where customer can find easily. 4.2.5 LSU...
Service Manual
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... lamp is off or rated voltage is possible to use for driving the system, and the AC heater control part, which supplies the power to fuser. Rated frequency : 50/60 Hz - S U M M A RY OF PRO D U C T 4.5.2 SMPS(Switching Mode Power Supply) It is the power source for china (nations with instable power supply...
... lamp is off or rated voltage is possible to use for driving the system, and the AC heater control part, which supplies the power to fuser. Rated frequency : 50/60 Hz - S U M M A RY OF PRO D U C T 4.5.2 SMPS(Switching Mode Power Supply) It is the power source for china (nations with instable power supply...
Service Manual
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...(at 1500Vzc, 10mA) - IEC950 UL1950, CSA950, C-UL,NOM,TUV,Semko,Nemko,iK,CB, CCC(CCIB),GOST, EPA, 4.5.3 Fuser AC Power Control Fuser (HEAT LAMP) gets heat from engine control part. Rising Time : Within 2Sec - The AC power controls the switch with taking ... off with the Triac, a semiconductor switch. S U M M A RY OF PRO D U C T 6) Feature - High Repetive Peak Off State Voltage : Min 600V Samsung Electronics Service Manual 4-19 Operating atmospheric pressure range : 1 8) EMI Requirement : CISPR ,FCC, CE, MIC, C-Tick, 9) Safty Requrement - Maintaining temperature range : -25...
...(at 1500Vzc, 10mA) - IEC950 UL1950, CSA950, C-UL,NOM,TUV,Semko,Nemko,iK,CB, CCC(CCIB),GOST, EPA, 4.5.3 Fuser AC Power Control Fuser (HEAT LAMP) gets heat from engine control part. Rising Time : Within 2Sec - The AC power controls the switch with taking ... off with the Triac, a semiconductor switch. S U M M A RY OF PRO D U C T 6) Feature - High Repetive Peak Off State Voltage : Min 600V Samsung Electronics Service Manual 4-19 Operating atmospheric pressure range : 1 8) EMI Requirement : CISPR ,FCC, CE, MIC, C-Tick, 9) Safty Requrement - Maintaining temperature range : -25...
Service Manual
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...paper passes the transfer roller is controlled by the A3977 motor driver IC. The step motor is judged as feeding roller, developing roller, fuser roller, and distributing roller. It is decided by environment recognition. While paper moves, occurrence of jam is controlled for driving the motor in...phase for the sections, acceleration section and fixed speed section. After repacking up , if the feed sensor is Jam 0. - Service Manual 4-20 Samsung Electronics It is a status that the leading edge of the paper doesn't pass the feed sensor. • Even though the paper reaches to...
...paper passes the transfer roller is controlled by the A3977 motor driver IC. The step motor is judged as feeding roller, developing roller, fuser roller, and distributing roller. It is decided by environment recognition. While paper moves, occurrence of jam is controlled for driving the motor in...phase for the sections, acceleration section and fixed speed section. After repacking up , if the feed sensor is Jam 0. - Service Manual 4-20 Samsung Electronics It is a status that the leading edge of the paper doesn't pass the feed sensor. • Even though the paper reaches to...
Service Manual
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...6. Remove two screws and take the Halogen Lamp out of the Fuser. Unplug two connectors(Block) from the Fuser Cover. Remove the Thermister from the boards, then remove four screws. Before you remove the Fuser, you should remove: - Disassembly and Reassembly 5. Remove one screw...take the Thermostat out of the Heat Roller. Heat Roller 7. Idle Gear Fuser Ass'y 3. Remove four screws and divide the Fuser into two parts Fuser Cover 4. Top Cover(see page 5-2) 2. Remove two screws and take the Idle Gear out. Halogen Lamp Samsung Electronics Thermister Service Manual 5-3
...6. Remove two screws and take the Halogen Lamp out of the Fuser. Unplug two connectors(Block) from the Fuser Cover. Remove the Thermister from the boards, then remove four screws. Before you remove the Fuser, you should remove: - Disassembly and Reassembly 5. Remove one screw...take the Thermostat out of the Heat Roller. Heat Roller 7. Idle Gear Fuser Ass'y 3. Remove four screws and divide the Fuser into two parts Fuser Cover 4. Top Cover(see page 5-2) 2. Remove two screws and take the Idle Gear out. Halogen Lamp Samsung Electronics Thermister Service Manual 5-3
Service Manual
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Disassembly and Reassembly 5.3.2 Fuser(Q-PID Type) 1. Unplug two connectors(Block) from the boards, then remove four screws. 4. Remove one screw and take the Thermostat out of the Fuser. Thermostat Service Manual 5-4 Samsung Electronics Top Cover(see page 5-2) 2. Fuser Ass'y 5. Remove two screws. Idle Gear 3. Before you remove the Fuser, you should remove: - Remove two screws and take the Idle Gear out.
Disassembly and Reassembly 5.3.2 Fuser(Q-PID Type) 1. Unplug two connectors(Block) from the boards, then remove four screws. 4. Remove one screw and take the Thermostat out of the Fuser. Thermostat Service Manual 5-4 Samsung Electronics Top Cover(see page 5-2) 2. Fuser Ass'y 5. Remove two screws. Idle Gear 3. Before you remove the Fuser, you should remove: - Remove two screws and take the Idle Gear out.
Service Manual
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...: Be careful especially not to damage the covering of the unit-brush 7. Remove one screw and separate Thermister from the Fuser cover. Unplug Thermister Harness from the inter connector Fuser Cover. Thermister Harness Fuser Cover Heat Roller Unit-Brush 8. Disassembly and Reassembly 6. Separate Heat Roller Ass'y after remove six screws and after removing... direction of the arrow while pulling the both side of the fusing assembly. (If the cover is damaged, it could cause an electric leakage.) Thermister Samsung Electronics Service Manual 5-5
...: Be careful especially not to damage the covering of the unit-brush 7. Remove one screw and separate Thermister from the Fuser cover. Unplug Thermister Harness from the inter connector Fuser Cover. Thermister Harness Fuser Cover Heat Roller Unit-Brush 8. Disassembly and Reassembly 6. Separate Heat Roller Ass'y after remove six screws and after removing... direction of the arrow while pulling the both side of the fusing assembly. (If the cover is damaged, it could cause an electric leakage.) Thermister Samsung Electronics Service Manual 5-5
Service Manual
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Remove the LED PBA Ass'y as shown below . Top Cover(see page 5-2) 2. Remove two screws and unplug one connector from the LSU 3. Unplug four screws and take the LSU out. Before you remove the Fuser, you should remove: - LED PBA Cover 5. LSU Service Manual 5-6 Samsung Electronics Before you remove the Fuser, you should remove: - Unplug two connector from the Frame. 4. Top Cover(see page 5-2) 2.Remove the Exit Gear, Bearing and Exit Roller as shown below Exit Gear Bearing Exit Roller 1 2 5.5 LSU 1. Disassembly and Reassembly 5.4 Exit Roller 1.
Remove the LED PBA Ass'y as shown below . Top Cover(see page 5-2) 2. Remove two screws and unplug one connector from the LSU 3. Unplug four screws and take the LSU out. Before you remove the Fuser, you should remove: - LED PBA Cover 5. LSU Service Manual 5-6 Samsung Electronics Before you remove the Fuser, you should remove: - Unplug two connector from the Frame. 4. Top Cover(see page 5-2) 2.Remove the Exit Gear, Bearing and Exit Roller as shown below Exit Gear Bearing Exit Roller 1 2 5.5 LSU 1. Disassembly and Reassembly 5.4 Exit Roller 1.
Service Manual
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Remove the six screws from the Driver Ass'y Drive Ass'y Samsung Electronics Service Manual 5-7 Unplug the connector from the SMPS and remove the one connector from the Drive Ass'y. 3. Disassembly and Reassembly DC Fan 5.7 Driver Ass'y 1. Top Cover(see page 5-2) 2. Before you remove the Fuser, you should remove: - Unplug one screw. Then take out the Fan. Top Cover(see page 5-2) 2. 5.6 Fan 1. Before you remove the Fuser, you should remove: -
Remove the six screws from the Driver Ass'y Drive Ass'y Samsung Electronics Service Manual 5-7 Unplug the connector from the SMPS and remove the one connector from the Drive Ass'y. 3. Disassembly and Reassembly DC Fan 5.7 Driver Ass'y 1. Top Cover(see page 5-2) 2. Before you remove the Fuser, you should remove: - Unplug one screw. Then take out the Fan. Top Cover(see page 5-2) 2. 5.6 Fan 1. Before you remove the Fuser, you should remove: -
Service Manual
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... from the Main PBA. Then take the Engine Shield Ass'y. Engine Shield Ass'y(see page 5-3) 2. Main PBA Service Manual 5-8 Samsung Electronics Engine Shield Ass'y 5.9 Main PBA 1. Unplug one connector and remove five screws from the Engine Shield Ass'y and unplug the all connectors.... Fuser Connector(see page 5-8) 2. Top Cover(see page 5-2) - Before you remove the Fuser, you should remove: - Top Cover(see page 5-2) - Then lift the Main PBA out, as shown ...
... from the Main PBA. Then take the Engine Shield Ass'y. Engine Shield Ass'y(see page 5-3) 2. Main PBA Service Manual 5-8 Samsung Electronics Engine Shield Ass'y 5.9 Main PBA 1. Unplug one connector and remove five screws from the Engine Shield Ass'y and unplug the all connectors.... Fuser Connector(see page 5-8) 2. Top Cover(see page 5-2) - Before you remove the Fuser, you should remove: - Top Cover(see page 5-2) - Then lift the Main PBA out, as shown ...
Service Manual
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Top Cover(see page 5-8) 2. Unplug one connector from the Main PBA. 4. Inlet Bracket Disassembly and Reassembly 3. Remove three screws and take the Inlet Ass'y out. Engine Shield Ass'y(see page 5-2) - Before you remove the Fuser, you should remove: - SMPS Samsung Electronics Service Manual 5-9 Remove one screw and unplug one connector and remove three screws then take The SMPS out. 5.10 SMPS 1.
Top Cover(see page 5-8) 2. Unplug one connector from the Main PBA. 4. Inlet Bracket Disassembly and Reassembly 3. Remove three screws and take the Inlet Ass'y out. Engine Shield Ass'y(see page 5-2) - Before you remove the Fuser, you should remove: - SMPS Samsung Electronics Service Manual 5-9 Remove one screw and unplug one connector and remove three screws then take The SMPS out. 5.10 SMPS 1.
Service Manual
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LSU(see page 5-2) - Unplug the PTL Holder Connector, then remove the PTL Holder and PTL Lens, as shown below . Unlatch the Bush and remove it. Top Cover(see page 5-6) 2. PTL Holder PTL Lens 4. Disassembly and Reassembly 5.11 Transfer Roller 1. Remove three screws and take the Transfer Earth out. Transfer Roller Bush Service Manual 5-10 Samsung Electronics Transfer Earth 3. Then lift the Transfer Roller out, as shown below . Before you remove the Fuser, you should remove: -
LSU(see page 5-2) - Unplug the PTL Holder Connector, then remove the PTL Holder and PTL Lens, as shown below . Unlatch the Bush and remove it. Top Cover(see page 5-6) 2. PTL Holder PTL Lens 4. Disassembly and Reassembly 5.11 Transfer Roller 1. Remove three screws and take the Transfer Earth out. Transfer Roller Bush Service Manual 5-10 Samsung Electronics Transfer Earth 3. Then lift the Transfer Roller out, as shown below . Before you remove the Fuser, you should remove: -
Service Manual
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... Bush Feed Gear1 Ass'y 4. Remove the Feed Roller and Feed Roller 1, as shown below. 3. 5.12 Feed Roller 1. Before you remove the Fuser, you should remove: - Remove two screws from the Feed Bracket and take it out. Remove the Idle Gear and Feed Gear2. Remove the Feed... Gear 1 Ass'y, as shown below . Feed Roller Samsung Electronics Feed Roller1 Service Manual 5-11 Top Cover(see page 5-7) 2. Guide paper Disassembly and Reassembly 5. Feed Bracket 7. Remove three screws from the...
... Bush Feed Gear1 Ass'y 4. Remove the Feed Roller and Feed Roller 1, as shown below. 3. 5.12 Feed Roller 1. Before you remove the Fuser, you should remove: - Remove two screws from the Feed Bracket and take it out. Remove the Idle Gear and Feed Gear2. Remove the Feed... Gear 1 Ass'y, as shown below . Feed Roller Samsung Electronics Feed Roller1 Service Manual 5-11 Top Cover(see page 5-7) 2. Guide paper Disassembly and Reassembly 5. Feed Bracket 7. Remove three screws from the...
Service Manual
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Drive Ass'y(see page 5-2) - Remove the Pick up Ass'y, as shown below . Remove the Pick up ) Solenoid (Manual) Solenoid Service Manual 5-12 Samsung Electronics Top Cover(see page 5-7) - Feed Bracket Bush 1 2 Pick up Gear Ass'y 5. Engine Shield Ass'y(see page 5-8) 2. Disassembly and Reassembly 5.13 Pick ... Roller & Solenoid 1. Remove three screws from the Feed Bracket and take it out. 4. Pick up Ass'y 3. Before you remove the Fuser, you should remove: - Remove two screw then remove The Manual Solenoid and Pick Up Solenoid. (Pick up Gear Ass'y, as shown below .
Drive Ass'y(see page 5-2) - Remove the Pick up Ass'y, as shown below . Remove the Pick up ) Solenoid (Manual) Solenoid Service Manual 5-12 Samsung Electronics Top Cover(see page 5-7) - Feed Bracket Bush 1 2 Pick up Gear Ass'y 5. Engine Shield Ass'y(see page 5-8) 2. Disassembly and Reassembly 5.13 Pick ... Roller & Solenoid 1. Remove three screws from the Feed Bracket and take it out. 4. Pick up Ass'y 3. Before you remove the Fuser, you should remove: - Remove two screw then remove The Manual Solenoid and Pick Up Solenoid. (Pick up Gear Ass'y, as shown below .
Service Manual
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...main functions for service, such as the product maintenance method, the test output related to the CN3(ML-1750) or CN2(ML-1710/1510) of the printer. It includes the contents of manual. 6.1 How to use DCU...pin) to maintenance and repair, DCU using method, Jam removing method, and so on. Samsung Electronics Service Manual 6-1 ML SERIES DIAGNOSTIC CONTROL UNIT STATUS DIAGNOSTIC 04 DEV 300 DEV 350 DEV 350 05 LSU READY ... PEEMPTY/PWITH/NEW CRU TEST 08 FEED & EXIT SENSOR TEST 09 COVER OPEN SENSOR TEST 10 FUSER TEST 11 HOT BURN TEST 12 CLEAN MODE PRINT 13 THV(+)TRIGGER, ALL HV & FAN ON...
...main functions for service, such as the product maintenance method, the test output related to the CN3(ML-1750) or CN2(ML-1710/1510) of the printer. It includes the contents of manual. 6.1 How to use DCU...pin) to maintenance and repair, DCU using method, Jam removing method, and so on. Samsung Electronics Service Manual 6-1 ML SERIES DIAGNOSTIC CONTROL UNIT STATUS DIAGNOSTIC 04 DEV 300 DEV 350 DEV 350 05 LSU READY ... PEEMPTY/PWITH/NEW CRU TEST 08 FEED & EXIT SENSOR TEST 09 COVER OPEN SENSOR TEST 10 FUSER TEST 11 HOT BURN TEST 12 CLEAN MODE PRINT 13 THV(+)TRIGGER, ALL HV & FAN ON...
Service Manual
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...2) Error Code When detecting the malfunction, the printing is filled with paper. LSU Scanner Motor not ready or Hsync signal not output. The fuser power turned off 50 Paper Out 69 Sleep Mode Description The printer is on . The paper has passed out of Exit Sensor. The Out ... 6.1.2 Code Connect DCU to the printer and turn the power on , the cover is jammed between pickup unit and Feed sensor. Service Manual 6-2 Samsung Electronics The Toner Cartridge not installed, No paper in the fuser occurred. The front part of paper is passing out of paper is open .
...2) Error Code When detecting the malfunction, the printing is filled with paper. LSU Scanner Motor not ready or Hsync signal not output. The fuser power turned off 50 Paper Out 69 Sleep Mode Description The printer is on . The paper has passed out of Exit Sensor. The Out ... 6.1.2 Code Connect DCU to the printer and turn the power on , the cover is jammed between pickup unit and Feed sensor. Service Manual 6-2 Samsung Electronics The Toner Cartridge not installed, No paper in the fuser occurred. The front part of paper is passing out of paper is open .
Service Manual
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... Open Sensor in operation. THV(+) TRIGGER. Hot Burn Test If the [enter] button pressed, the printer is in th same way as '07'. Service Manual 6-4 Samsung Electronics If you press the button once more, the left and right of the three LEDs are on. Cleaning Mode Print Mode Print the paper... 15 16 17 Description Paper Empty Sensor Test : If activate the Actuator of the PEMPTY Sensor, the left LED is on and temperature of the fuser is up to overheat Mode. Paper Empty Sensor ON/OFF 1st LED ON/OFF Feed & Exit Sensor Test Test the Feed sensor and Discharge sensor...
... Open Sensor in operation. THV(+) TRIGGER. Hot Burn Test If the [enter] button pressed, the printer is in th same way as '07'. Service Manual 6-4 Samsung Electronics If you press the button once more, the left and right of the three LEDs are on. Cleaning Mode Print Mode Print the paper... 15 16 17 Description Paper Empty Sensor Test : If activate the Actuator of the PEMPTY Sensor, the left LED is on and temperature of the fuser is up to overheat Mode. Paper Empty Sensor ON/OFF 1st LED ON/OFF Feed & Exit Sensor Test Test the Feed sensor and Discharge sensor...