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Your cart is empty.HP automatic duplexing assembly unit (Q2439B) works with the HP LaserJet 4250 and 4350 series printers. This part has been thoroughly tested to be 100% fully functional.
kdr
2025-07-25 13:48:16
The media could not be loaded.
Jorge Roman
2025-07-11 16:23:26
Received a used unit instead of a new one.
Movie Fan
2025-07-05 14:33:06
Works great. Simple installation. Great price.
Ginny
2025-06-21 15:48:57
This is a great duplex unit and does exactly what it should. We use it a lot to print two sided in order to save paper. So happy that we got it.
Glenn Waterworth
2025-04-29 17:10:36
Did what it was supposed to do. Be careful between the A and B model. If your printer model ends in 5, I believe you need to B model, as I did. The A is for model numbers ending in 0. Nothing else needed for duplexing. Only down side with the ability to duplex, is that multiple copies that are duplexed will need an internal hard drive on the printer in order to spool the print job. otherwise, you'll need to print each copy one at a time.
K. Hensley
2025-02-25 17:16:00
Took me way too long to finally purchase this time, and I am so glad I did! It is working great!
Harbor view
2025-02-22 15:09:20
Great value and works well.
Leis Phinney
2025-02-02 17:08:40
It works fine and does just waht it is supposed to do.
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