ML-2551N TONER CARTRIDGE

You should replace the toner cartridge installed in your Samsung ML-2551N Monochrome Laser Printer in the following circumstances:

The level of remaining toner is less than 5% - Please note that you can check the level of toner currently left in the installed cartridge by selecting [Setup] – [Maintenance] – [Remain Toner].

The Samsung ML-2551N Monochrome Laser Printer has detected a toner cartridge related abnormality – You can find the complete list of system notifications, which indicate toner cartridge related abnormalities, further below.

Print quality is unsatisfactory – All print quality problems related to the status of the installed toner cartridge are included further below. Please note that you can solve some print quality problems by cleaning the organic photoconductive drum of the installed toner cartridge, which can be accomplished by printing a cleaning sheet. To print a cleaning sheet, you have to select [Setup] – [Maintenance] – [OPC Cleaning].

Please note that you can reduce the cost per page by enabling the Toner Save feature.

All messages and print quality problems, which indicate that the installed toner cartridge needs to be replaced, are listed below.

Light or faded print

Dropouts

Vertical lines

Gray background

Toner smear

Vertical repetitive defects

Solid black printouts

Loose toner

Horizontal stripes

[Cover Open/No Toner Cartridge] – The Samsung ML-2551N Monochrome Laser Printer does not detect the toner cartridge. There are three possible causes for this problem:

The toner cartridge has been installed incorrectly
The toner cartridge is missing
The toner cartridge is defective

You should try to solve the problem by reinstalling the toner cartridge. Please replace the installed toner cartridge if the problem persists.

[Invalid Toner] – You have installed an incompatible toner cartridge. Please replace the installed toner cartridge with a new, compatible one.

[Ready Low Toner] – Your Samsung ML-2551N Monochrome Laser Printer is running out of toner. You should install a new toner cartridge soon.

[Ready Replace Cart] – Some of the components of the installed toner cartridge are at the end of their useful life, which could lead to print quality problems and toner overflow inside the machine. You should replace the installed toner cartridge with a new one.

To install a new toner cartridge in your Samsung ML-2551N Monochrome Laser Printer, you must open the top cover, and then pull the used toner cartridge out of the print compartment. Next, you must wipe away any dust and spilled toner from the toner cartridge slot with a dry, lint-free cloth, and then use a cotton swab to clean the long strip of glass that is located on the inner top side of the toner cartridge slot. After that, you must take the new toner cartridge out of the plastic bag, and then carefully remove the sealing tape from the new component. Now, you must shake the new toner cartridge 8-10 times from side to side, and then insert it into the slot until it snaps into place. Finally, you must close the top cover of your Samsung ML-2551N Monochrome Laser Printer.