Lexmark T640 Monochrome Laser Printer


Constant paper jams bad design overall1

I have had this printer installed at my place of business for about 1 year. I have constant paper jams from the add-on tray 2 that I purchased with the machine. This I believe is due to a design flaw which puts the pick up roller on a swing arm above a non spring loaded sloped bottom tray. The roller comes down to pick up the paper and it's not precise enough so paper jam occurs. I have improved the performance somewhat by adding a 1/2" block to the tray to raise the paper some more.



Bad design as well if you are using the multi use tray (for checks etc). Pickup roller is at the left end of the tray (instead of in the middle like the HP) so the paper goes in crooked and sometimes jams.



The add on tray is also huge leading you to believe you can fill it right up (like with the HP) but you can only fill it half way and the tray that comes with the printer only holds about 100 sheets.



Another minor annoyance is that when you want to use the multi use tray instead of defaulting to that tray when there is paper in it you have to select it every time.



Bottom line: spend the extra money and get the HP. I wish I did.More detail ...

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