Samsung ML-1651N, ML-1650 Cause and solution of the malfunction, All LEDs blinking Fuser Error

Page 41

Troubleshooting

4-4 The cause and solution of the malfunction

4-4-1 All LEDs blinking (Fuser Error)

1. All the lamps on the operator panel blink.

• Description 2. Gear of the fuser does not work and breaks away melt away.

When printing, motor breaks away from its place due to defective fuser gear.

	Check and Cause		Solution
1.	Check if the thermostat, AC wire and Heat Lamp is	1.	If the thermostat is open replace the fuser and
	open.		check following items.
2.	Check if the thermistor sensor is in place.	2.	If the thermistor sensor device is located deep in the
			sponge, replace the fuser.

3. Check if the heat lamp works properly.

3. Check if the circuit of overheat mode works properly.

4. Check if the overheat circuit works properly.

4. Run DCU mode : Perform DCU diagnostic code 10.

5. The fuser gear is defective due to melting away.

4-4-2 All LEDs blinking (Scan Error)

• Description	1. All lamps on the operator panel blink.

	Check and Cause	Solution

DCU Mode : Perform DCU diagnostic code 05. If the DCU		Replace LSU.
error code 95 is displayed, replace LSU.
		If you cannot solve the problem after you replace LSU,
		replace the main board.

Samsung Electronics

4-17

Image 41

Contents Laser Printer Version no This manual is stated and provided for service description Read each caution carefully Safety PrecautionsReleasing Plastic Latches Precautions on Disassembly and ReassemblyElectronic Scale Tools for TroubleshootingController ML-1650 ML-1651N EnginePaper TonerNetwork ML-1650 ML-1651N EnvironmentWhenever servicing the machine, you must perform as follows General Precautions on DisassemblyReleasing Plastic Latches Transfer Roller Controller Board Pickup Assembly Main Cover MP Multi-Purpose Tray Exit AssemblyHvps board LSUSolenoid 10 FanDrive Assembly To remove the thermistor from the fuser assembly Fuser AssemblyTo remove the thermostat from the fuser assembly To remove the halogen lamp from the fuser assemblyGuide Feed & Erase Lamp To replace the pickup roller MPF Assembly and Miscellaneous on MPF AssemblyTo replace the nockup plate To replace the Paper Empty PE sensor To replace the pickup holder and the Adjust End MPEngine Board and Miscellaneous To replace the exit board To remove the transfer guide To replace the actuator feedCause and solution of Bad image How to use DCUCause and solution of the bad discharge Cause and solution of the malfunctionCode How to use DCUDCU Setup Self Diagnostic Mode Paper Path Layout Self Test ButtonDCU Panel ML-1650 Diagnostic Control Unit Quick ReferanceCheck and Cause Solution Cause and solution of Bad imageVertical Black Line and Band Vertical White LineBlack/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityGhost Satins on the Face Blank Page Print out Satins on Back2 JAM Cause and solution of the bad dischargeWrong Print Position 4 JAM 3 JAMPaper rolled in the fuser Multi-Feeding7 OPC All LEDs blinking Scan Error Cause and solution of the malfunctionAll LEDs blinking Fuser Error Paper Empty without indication Not function of the gear of the fuser due to melting awayPaper Empty Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Toner Cartridge Service Signs and Measures at Poor toner cartridge Fault Signs Cause & Check Solution Light imagePartially blank ImageRecycled product Fault Signs Cause & Check Solution White Black spotFault Signs Cause & Check Solution Ghost & Image Printer is not working Cause and solutions of bad environment of the softwareUtilities program Abnormal Printing How to delete the data in the spool manager Spool ErrorExploded Views and Parts List Service Parts List Exploded Views and Parts List10-3 10-4 Cover Exploded View All Exploded Views and Parts ListFrame Exploded View Exit Exploded View Rack-MPF Exploded View Fuser Exploded View Drive Exploded View Pick-Up Exploded View Cassette Exploded View Video ControllerBlock Diagram Block DiagramSensor Engine Block DiagramVPS Connection Diagram

Related manuals

Manual 179 pages 8.77 Kb