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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
Reviewed in the United States on January 19, 2024
The media could not be loaded.
Movie Fan
Reviewed in the United States on February 4, 2019
Works great. Simple installation. Great price.
Glenn Waterworth
Reviewed in the United States on May 29, 2018
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.
Ginny
Reviewed in the United States on March 11, 2017
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.
Harbor view
Reviewed in the United States on August 13, 2016
Great value and works well.
Leis Phinney
Reviewed in the United States on June 29, 2015
It works fine and does just waht it is supposed to do.
Jorge Roman
Reviewed in the United States on March 16, 2015
Received a used unit instead of a new one.
K. Hensley
Reviewed in the United States on April 14, 2014
Took me way too long to finally purchase this time, and I am so glad I did! It is working great!
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