Common Windows problems

Condition	Suggested solutions

Character Voids Character voids are white areas within
characters that should be solid black:
•	If you are using transparencies, try another
A •	type of transparency. Because of the
	composition of the transparency, some
	character voids may be normal.
	You may be printing on the wrong surface on
	the paper. Remove the paper and turn it
	around.

•The paper may not meet paper specifications. See page 5.3.

Horizontal	If horizontally aligned black streaks or smears
stripes	appear:

AaBbCc	•	The toner cartridge may be installed
AaBbCc		improperly. Remove the cartridge and
AaBbCc		reinsert.
AaBbCc	•	The toner cartridge may be defective. Install a
AaBbCc		new toner cartridge. See page 8.5.
AaBbCc	• If the problem persists, the printer may require
AaBbCc		repair. Contact a service representative.
		repair. Contact a service representative.
Curl	If the printed paper is curled or paper does not
	feed into the printer:
	•	Turn over the stack of paper in the tray. Also
		try rotating the paper 180° in the tray.
	•	Try printing to rear cover (face up).

	An unknown	Your printer is probably being used at an altitude
	image repetitively	of 2,500 m (8,200 ft) or above.
	appears on a	The high altitude may affect the print quality
	next few sheets
		such as loose toner or light imaging. You can set
	or loose toner,
		this option through Printer Settings Utility or
	light print or
		Printer Tab in printer driver’s properties. Refer
	contamination
		to the Software Section for details.
	occurs.

Condition	Suggested solutions

“File in Use”	Exit all software applications. Remove all
message appears	software from the StartUp Group, then restart
during installation.	Windows. Reinstall the printer driver.

Condition	Suggested solutions

“Error Writing to	• Ensure that the cables are connected
LPTx” message	correctly, the printer is on.
appears.	• If bi-directional communication is not turned
	on in the driver, it will also cause this
	message.

“General Protection	Close all other applications, reboot Windows,
Fault”, “Exception	and try printing again.
OE”, “Spool32”, or
“Illegal Operation”
messages appear.

“Fail To Print,” “A	These messages may appear during printing.
printer timeout error	Just keep waiting until the printer finishes
occurred,”	printing. If the message appears in standby
messages appear.	mode or after printing has been completed,
	check the connection and/or whether an error
	has occurred.

Note

• Refer to Microsoft Windows 98/Me/NT 4.0/2000/XP/2003 User’s Guide that came with your PC for further information on Windows error messages.

Common PostScript problems

The following situations are PostScript language specific and may occur when several printer languages are being used.

Note

• To receive a printed or screen displayed message when PostScript errors occur, open the Print Options window and click the desired selection next to the PostScript errors section.

Condition	Possible cause		Suggested solutions

PostScript file	The PostScript	•	Print a configuration page
can not be	driver may not		and verify that the PostScript
printed.	be installed		version is available for
	correctly.		printing.
		•	Install the PostScript driver;
			to installing the PS printer
			driver, see the Software
			Section.
		•	If problem consists, contact a
			service representative.

“Limit Check	The print job	You might need to reduce the
Error” message	was too	complexity of the page or install
appears.	complex.	more memory.

9.13 <Troubleshooting>

ML-4551N specifications

The Samsung ML-4551N is a high-performance monochrome laser printer designed for small to medium-sized office environments. With its exceptional print quality and robust features, the ML-4551N continues to be a reliable choice for business users seeking efficiency and productivity.

One of the standout features of the ML-4551N is its impressive print speed. Capable of producing up to 47 pages per minute, this printer significantly reduces downtime, allowing businesses to handle large print jobs with ease. The first page out time is also commendably swift, taking as little as 8.5 seconds, ensuring that users can quickly retrieve their documents when needed.

The printer utilizes Samsung’s advanced ReCP (Rendering Engine for Clean Page) technology, which enhances the quality of text and images. This technology works by improving the sharpness of text and providing a rich, detailed output for graphics, making it an ideal choice for producing professional documents such as reports, brochures, and presentations.

Another key characteristic of the ML-4551N is its high paper capacity. The standard paper tray holds up to 250 sheets, while an optional 500-sheet tray can be added, allowing a total input capacity of up to 750 sheets. This large capacity is particularly beneficial for busy offices that require frequent printing without the need for constant paper replenishment.

Connectivity options are essential for modern office environments, and the ML-4551N does not disappoint. It features built-in USB and Ethernet connectivity, enabling multiple users to share the printer over a network effortlessly. Additionally, the printer supports various operating systems, including Windows and Mac, providing versatility to meet diverse user needs.

Energy efficiency is another highlight of the ML-4551N. It comes equipped with Eco Mode, which helps to reduce toner consumption and energy usage, contributing to lower overall operational costs. This focus on eco-friendly functionality aligns with many businesses' sustainability goals.

Overall, the Samsung ML-4551N combines speed, quality, and efficiency, making it a formidable contender in the monochrome laser printer market. Its blend of advanced printing technologies and user-friendly features makes it suitable for various professional applications, establishing it as a preferred choice for organizations looking to enhance their document handling capabilities.

Condition

Curl

this option through Printer Settings Utility or