Service Manual
Page 7
...into the product, these weather conditions. (10) Avoid damp or dusty areas, install the product in a clean well ventilated location. Do not allow paper clips, pins or other part of the casing, it could make ...cut or damage the power cable or plugs when moving the machine. (9) Use caution during thunder or lightning storms. Samsung recommends that the power sockets and plugs are expected. Moisture and dust built up inside to leak. Do not allow ... or removing the power connector. Any such defects should be disconnected from children. Service Manual 1-2 Samsung Electronics
...into the product, these weather conditions. (10) Avoid damp or dusty areas, install the product in a clean well ventilated location. Do not allow paper clips, pins or other part of the casing, it could make ...cut or damage the power cable or plugs when moving the machine. (9) Use caution during thunder or lightning storms. Samsung recommends that the power sockets and plugs are expected. Moisture and dust built up inside to leak. Do not allow ... or removing the power connector. Any such defects should be disconnected from children. Service Manual 1-2 Samsung Electronics
Service Manual
Page 26
... device for toner cartridge: ID is classified by CRUM. -100V 8 Cleaning Blade Max -1.4KV 2 Cleaning Roller 1 0.20mW -720V 6 -150V↓ 7 -350V +3.5kV 3 4 5 -550V Service Manual 2-16 Samsung Electronics In the toner cartridge, the OPC unit and the developing unit are in the cleaning frame by using the electronic photo process, it creates a visual image...
... device for toner cartridge: ID is classified by CRUM. -100V 8 Cleaning Blade Max -1.4KV 2 Cleaning Roller 1 0.20mW -720V 6 -150V↓ 7 -350V +3.5kV 3 4 5 -550V Service Manual 2-16 Samsung Electronics In the toner cartridge, the OPC unit and the developing unit are in the cleaning frame by using the electronic photo process, it creates a visual image...
Service Manual
Page 31
...CPU is HV output when PWM is low. • Supply - Service Manual 2-21 Samsung Electronics The (+) Transfer Voltage is not outputted because the THV PWM is no loading ) THV-: -1kV±20% (when cleaning,200 ㏁) - Input contrast of the output stability degree : under ± 3 ...50 ms Max - Fluctuating transfer voltage with environmental various : 0~3.5kV - Environment Recognition Control Method : The THV-PWM ACTIVE is Low • Cleaning Voltage (THV- ) - Output Voltage Falling Time : 50 ms Max - Output Control Signal(MHV-PWM) : CPU is HV output when PWM ...
...CPU is HV output when PWM is low. • Supply - Service Manual 2-21 Samsung Electronics The (+) Transfer Voltage is not outputted because the THV PWM is no loading ) THV-: -1kV±20% (when cleaning,200 ㏁) - Input contrast of the output stability degree : under ± 3 ...50 ms Max - Fluctuating transfer voltage with environmental various : 0~3.5kV - Environment Recognition Control Method : The THV-PWM ACTIVE is Low • Cleaning Voltage (THV- ) - Output Voltage Falling Time : 50 ms Max - Output Control Signal(MHV-PWM) : CPU is HV output when PWM ...
Service Manual
Page 62
... not positioned in a direct draft from vibration. Ensure the printer is not positioned in direct sunlight. Check paper type. 1. Clean the Paper Transport Passages. The printer does not work when power is flat, level and free from any air conditioning or other... 2. See the user guide. 4. Check the overall condition of air pollution 3. Service Manual 4-14 Samsung Electronics Check the fuses in a clean dust free environment. Some industrial or cleaning processes give of fumes which is position away from this type of the printer 1. Alignment and Troubleshooting ...
... not positioned in a direct draft from vibration. Ensure the printer is not positioned in direct sunlight. Check paper type. 1. Clean the Paper Transport Passages. The printer does not work when power is flat, level and free from any air conditioning or other... 2. See the user guide. 4. Check the overall condition of air pollution 3. Service Manual 4-14 Samsung Electronics Check the fuses in a clean dust free environment. Some industrial or cleaning processes give of fumes which is position away from this type of the printer 1. Alignment and Troubleshooting ...
Service Manual
Page 63
Paper is worn away. Jam-0 occurs if the paper feeds into the printer. 1. Replace the solenoid. 2. Check the surface of the roller-pick up roller. Check the Solenoid. Alignment and Troubleshooting 4.2.2 Bad discharge 1) JAM 0 Description : 1 . Clean with soft cloth dampened with IPA(Isopropyl Alcohol) or replace the pick up is contaminated. Replace the separation pad. 3. Check if the separation pad in the cassette is not exited from the cassette. 2. Service Manual 4-15 Samsung Electronics
Paper is worn away. Jam-0 occurs if the paper feeds into the printer. 1. Replace the solenoid. 2. Check the surface of the roller-pick up roller. Check the Solenoid. Alignment and Troubleshooting 4.2.2 Bad discharge 1) JAM 0 Description : 1 . Clean with soft cloth dampened with IPA(Isopropyl Alcohol) or replace the pick up is contaminated. Replace the separation pad. 3. Check if the separation pad in the cassette is not exited from the cassette. 2. Service Manual 4-15 Samsung Electronics
Service Manual
Page 65
Cassette holder pad is contaminated with foreign matter.(oil...) Clean the pad friction with soft clothe dampened with IPA (Isopropyl Alcohol). Alignment and Troubleshooting 3) Multi-Feeding Description : M ultiple sheets of paper are fed at once. 1. Service Manual 4-17 Samsung Electronics Solenoid malfunction (the solenoid does not work properly) Replace the solenoid if necessary. 2.
Cassette holder pad is contaminated with foreign matter.(oil...) Clean the pad friction with soft clothe dampened with IPA (Isopropyl Alcohol). Alignment and Troubleshooting 3) Multi-Feeding Description : M ultiple sheets of paper are fed at once. 1. Service Manual 4-17 Samsung Electronics Solenoid malfunction (the solenoid does not work properly) Replace the solenoid if necessary. 2.
Service Manual
Page 72
... to print out. 2. Dark black vertical band occur in the Toner cartridge. Deformed Doctor-blade or cleaning-blade. Partly depression or deformation on the surface of the charge roller in the toner cartridge. Service Manual 4-24 Samsung Electronics Damaged develop roller in the printing. 1. Replace the transfer roller if occurred as No. 3. 3.
... to print out. 2. Dark black vertical band occur in the Toner cartridge. Deformed Doctor-blade or cleaning-blade. Partly depression or deformation on the surface of the charge roller in the toner cartridge. Service Manual 4-24 Samsung Electronics Damaged develop roller in the printing. 1. Replace the transfer roller if occurred as No. 3. 3.
Service Manual
Page 73
...the position of the exposure window. (toner cartridge) 4. Foreign matter stuck onto the window : Clean the LSU window with recommended cleaner(IPA) Clean the window with a clean cotton swab. 2. Remove if found. Foreign matter or toner particles between the toner cartridge roller ...and blade. (In case the life of the toner cartridge has been expired, white lines or light image occur in the image. 1. If the problems are on the OPC Drum. Service Manual 4-25 Samsung...
...the position of the exposure window. (toner cartridge) 4. Foreign matter stuck onto the window : Clean the LSU window with recommended cleaner(IPA) Clean the window with a clean cotton swab. 2. Remove if found. Foreign matter or toner particles between the toner cartridge roller ...and blade. (In case the life of the toner cartridge has been expired, white lines or light image occur in the image. 1. If the problems are on the OPC Drum. Service Manual 4-25 Samsung...
Service Manual
Page 74
... = 35.1mm Charging Roller = 26.7mm Supply Roller = 47mm Transfer Roller = 39.2mm Pressure Roller = 75.4mm Fusing Roller = 77.5mm 1. Service Manual 4-26 Samsung Electronics Clean the right Gear that has relatively small gap of developer may not occur periodically.) 1. Bad contacts of the Charge, Supply, Develop and Transfer roller.(remove...
... = 35.1mm Charging Roller = 26.7mm Supply Roller = 47mm Transfer Roller = 39.2mm Pressure Roller = 75.4mm Fusing Roller = 77.5mm 1. Service Manual 4-26 Samsung Electronics Clean the right Gear that has relatively small gap of developer may not occur periodically.) 1. Bad contacts of the Charge, Supply, Develop and Transfer roller.(remove...
Service Manual
Page 75
...62.9mm, or black spots occur elsewhere, the OPC drum surface is abnormal or the transfer roller's life has expired. Service Manual 4-27 Samsung Electronics Dark or blurry spots occur periodically in the printing 1. Alignment and Troubleshooting 4) Black/White Spot Description : 1 . If faded areas or...replace it. 2. In case of the set against the paper particles and foreign matter in 1, cleanly remove foreign substances stuck on the OPC location equivalent to print out. 5. Clean the inside of 62.9mm interval unremovable in order not to cause the trouble. The transfer roller...
...62.9mm, or black spots occur elsewhere, the OPC drum surface is abnormal or the transfer roller's life has expired. Service Manual 4-27 Samsung Electronics Dark or blurry spots occur periodically in the printing 1. Alignment and Troubleshooting 4) Black/White Spot Description : 1 . If faded areas or...replace it. 2. In case of the set against the paper particles and foreign matter in 1, cleanly remove foreign substances stuck on the OPC location equivalent to print out. 5. Clean the inside of 62.9mm interval unremovable in order not to cause the trouble. The transfer roller...
Service Manual
Page 76
Alignment and Troubleshooting 5) Light Image Description : The printed image is powered on before you start printing. 1. Clean up the contaminated area by the toner stains between the high voltage terminal in the HVPS and the one in the set. 3. Abnormal output... from the HVPS. Wait 30 minutes after printer is light, with no ghost. 1. Service Manual 4-28 Samsung Electronics Ambient temperature is below than 10℃. Bad contact caused by the toner. 2. Replace the developer cartridge and try to print out. 2. Replace the...
Alignment and Troubleshooting 5) Light Image Description : The printed image is powered on before you start printing. 1. Clean up the contaminated area by the toner stains between the high voltage terminal in the HVPS and the one in the set. 3. Abnormal output... from the HVPS. Wait 30 minutes after printer is light, with no ghost. 1. Service Manual 4-28 Samsung Electronics Ambient temperature is below than 10℃. Bad contact caused by the toner. 2. Replace the developer cartridge and try to print out. 2. Replace the...
Service Manual
Page 77
Check the state of HVPS. 1. Replace the HVPS if not solved by the above direction 1 and 2. Clean the high voltage charge terminal. 2. Alignment and Troubleshooting 6) Dark Image or a Black Page Description : The printed image is not turned on due to the bad contacts between power supply in the engine board. Charge voltage is dark. 1. Service Manual 4-29 Samsung Electronics No charge voltage in the side of the Developer and charge terminal of the connector which connects the engine board and HVPS. 2.
Check the state of HVPS. 1. Replace the HVPS if not solved by the above direction 1 and 2. Clean the high voltage charge terminal. 2. Alignment and Troubleshooting 6) Dark Image or a Black Page Description : The printed image is not turned on due to the bad contacts between power supply in the engine board. Charge voltage is dark. 1. Service Manual 4-29 Samsung Electronics No charge voltage in the side of the Developer and charge terminal of the connector which connects the engine board and HVPS. 2.
Service Manual
Page 78
... ? If the problem is not guaranteed if using recycle paper. 3. Is the movement(Up and Down) of the developer ended? Clean the bushing part of the printing. 1. Service Manual 4-30 Samsung Electronics The A/S is still not solved, replace the developer. Is the HVPS normal? The toner cartridge is basically designed to print...
... ? If the problem is not guaranteed if using recycle paper. 3. Is the movement(Up and Down) of the developer ended? Clean the bushing part of the printing. 1. Service Manual 4-30 Samsung Electronics The A/S is still not solved, replace the developer. Is the HVPS normal? The toner cartridge is basically designed to print...
Service Manual
Page 79
...and try to print out. 3. Occur in the main body and the electrode of the Developer. If not solved by toner particles. 2. Clean the terminals when contaminated by the direction 3, check the transfer roller lifetime and replace it. 5. Replace the engine board if not solved by...at 62.9 mm intervals of the OPC drum in the HVPS board. Bad contacts caused by the above directions 1-2. 4. Service Manual 4-31 Samsung Electronics The life of developer is expired. Transfer roller lifetime (50.000 sheets) has expired. Wait about 1 hour after power on before using printer....
...and try to print out. 3. Occur in the main body and the electrode of the Developer. If not solved by toner particles. 2. Clean the terminals when contaminated by the direction 3, check the transfer roller lifetime and replace it. 5. Replace the engine board if not solved by...at 62.9 mm intervals of the OPC drum in the HVPS board. Bad contacts caused by the above directions 1-2. 4. Service Manual 4-31 Samsung Electronics The life of developer is expired. Transfer roller lifetime (50.000 sheets) has expired. Wait about 1 hour after power on before using printer....
Service Manual
Page 82
Alignment and Troubleshooting 11) Ghost (4) Description : G host occurs at 47 mm intervals. 47mm The temperature of the fuser is maintained high. Disassemble the fuser and remove the contaminated toner particles on the roller and clean the foreign matter between Thermistor and Heat rolle. r ( Caution : can be deformed) Service Manual 4-34 Samsung Electronics
Alignment and Troubleshooting 11) Ghost (4) Description : G host occurs at 47 mm intervals. 47mm The temperature of the fuser is maintained high. Disassemble the fuser and remove the contaminated toner particles on the roller and clean the foreign matter between Thermistor and Heat rolle. r ( Caution : can be deformed) Service Manual 4-34 Samsung Electronics
Service Manual
Page 84
Alignment and Troubleshooting 13) Stains on Back of Page Description : The back of the transfer rolle.r 1. Disassemble the fuser and clean the H/R(Heat Roller) and P/R (Pressure roller).And check the area between H/R and Thermistor. If contaminated, clean the area not to remove the contamination of the page is contaminated. 2. Transfer roller is stained at 39.2 mm intervals. 1. Print 2 or 3 times. Run Self-Test to be deformed. Replace the transfer roller if contaminated severe.ly 2. Pressure roller is contaminated. Service Manual 4-36 Samsung Electronics
Alignment and Troubleshooting 13) Stains on Back of Page Description : The back of the transfer rolle.r 1. Disassemble the fuser and clean the H/R(Heat Roller) and P/R (Pressure roller).And check the area between H/R and Thermistor. If contaminated, clean the area not to remove the contamination of the page is contaminated. 2. Transfer roller is stained at 39.2 mm intervals. 1. Print 2 or 3 times. Run Self-Test to be deformed. Replace the transfer roller if contaminated severe.ly 2. Pressure roller is contaminated. Service Manual 4-36 Samsung Electronics
Service Manual
Page 110
... following tools are recommended safe and easy troubleshooting as described in this service manual. • DVM (Digital Volt Meter) Standard : Indicates more than 3 digits. • Cleaning Equipments Standard : An IPA (Isopropyl Alcohol) dry wipe tissue or a gentle neutral detergent and lint-free cloth. • Driver Standard : "-" type, "+" type (M3 long,...Cotton Swab Standard : For general home use, for medical service. • Spring Hook Standard : For general use • Software (Driver) installation CD ROM Service Manual 6-1 Samsung Electronics Reference Information 6.
... following tools are recommended safe and easy troubleshooting as described in this service manual. • DVM (Digital Volt Meter) Standard : Indicates more than 3 digits. • Cleaning Equipments Standard : An IPA (Isopropyl Alcohol) dry wipe tissue or a gentle neutral detergent and lint-free cloth. • Driver Standard : "-" type, "+" type (M3 long,...Cotton Swab Standard : For general home use, for medical service. • Spring Hook Standard : For general use • Software (Driver) installation CD ROM Service Manual 6-1 Samsung Electronics Reference Information 6.