Samsung ML-1651N, ML-1650 specifications Utilities program

Page 51

Troubleshooting

4-6-2 The printer is not working (2)

	• Description	After receiving the printing order, no response at all or the low speed of printing
	• Description	occurs due to wrong setup of the environment rather than malfunction of the printer itself.


		Check and Cause	Solution

	1. Secure more space of the hard disk.		1. Not working with the message 'insufficient printer
			memory' means hard disk space problem rather than
			the RAM problem. In this case, provide more space
			for the hard disk. Secure more space using the disk
			utilities program.
	2. Printing error occurs even if there is enough space in		2. The connection of the cable and printer port is not
	the hard disk.		proper. Check if the connection is properly done and
			if the parallel port in CMOS is rightly set up.
	3. Check the parallel-port-related items in the CMOS		3. As a printer port, Select ECP or SPP among
	Setup.		SPP(Normal), ECP, and EPP modes(increase print-
			ing speed) SPP normal mode support 8-bit data
			transfer, while ECP Mode transfer the 12-bit data.
	4. Reboot the system to print.		4. If the regular font is not printing, the cable or the
			printer driver may be defective.
			Turn the PC and printer off, and reboot the system
			to print again. If not solved, double-click the printer in
			my computer If the regular fonts are not printed this
			time again. the cable must be defective so replace
			the cable with new one.

Samsung Electronics

4-27

Image 51

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 TroubleshootingToner ML-1650 ML-1651N EngineController PaperNetwork ML-1650 ML-1651N EnvironmentGeneral Precautions on Disassembly Releasing Plastic LatchesWhenever servicing the machine, you must perform as follows Transfer Roller Controller Board Pickup Assembly Main Cover MP Multi-Purpose Tray Exit AssemblyHvps board LSUSolenoid 10 FanDrive Assembly To remove the halogen lamp from the fuser assembly Fuser AssemblyTo remove the thermistor from the fuser assembly To remove the thermostat from the fuser assemblyGuide Feed & Erase Lamp MPF Assembly and Miscellaneous on MPF Assembly To replace the nockup plateTo replace the pickup roller 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 the malfunction How to use DCUCause and solution of Bad image Cause and solution of the bad dischargeHow to use DCU DCU SetupCode Self Diagnostic Mode Paper Path Layout Self Test ButtonDCU Panel ML-1650 Diagnostic Control Unit Quick ReferanceVertical White Line Cause and solution of Bad imageCheck and Cause Solution Vertical Black Line and BandBlack/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityGhost Satins on the Face Blank Page Print out Satins on BackCause and solution of the bad discharge Wrong Print Position2 JAM 4 JAM 3 JAMPaper rolled in the fuser Multi-Feeding7 OPC Cause and solution of the malfunction All LEDs blinking Fuser ErrorAll LEDs blinking Scan Error Not function of the gear of the fuser due to melting away Paper EmptyPaper Empty without indication Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Toner Cartridge Service Image Fault Signs Cause & Check Solution Light imageSigns and Measures at Poor toner cartridge Partially blank Recycled 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

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