I'm not familiar with Samsung, but my Laser Jet4L comes with a cartdidge
good for 3000 copies and lasts for years without a problem. HP suggests
removing the cartdidge and shaking it gently when printing starts to get
faint or streaky. This has always worked for me.

Anne wrote:

>Thanks to everyone who advised me, on this news group and by personal e-mail , about a good printer to buy.  I've ended up with a Samsung ML-1740 laser which came with enough toner to print 1,000 copies.
>
>What I would like to know is this:  Is there a longevity to toner as there is to ink jets that dry up on you?  I've looked in the user manual and googled it, but the answers only address longevity as to how many copies a cartridge will make.  I would like to know if toner ever becomes unusable because it will take me years to run 1,000 copies.
>
>
>

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