https://community.hpe.com/t5/networking/bad-duplexer-connection/m-p/4012569#M1641 I think you will get a better response by posting in the printer forum.<BR /><BR /><A href="http://www.printertechs.com/tech/error-codes/error-codes-A-E.php" target="_blank">http://www.printertechs.com/tech/error-codes/error-codes-A-E.php</A><BR /><BR />Says it is essential to use the right angled power cord so there is a close fit of the duplex unit.<BR /><BR />Other than this I suppose it could be<BR />a) defective duplex unit (test on another printer of the same model - if possible - to make sure)<BR />b) bad connection, wiring or defective sensors in the printer<BR /><BR />If the duplex unit is defective - get it replaced. If it's new then it should be covered by warranty.<BR /><BR />If it looks like problems with the printer itself, then it's best to have a qualified service person look at the printer. Get a quote on price first - unless it is covered by warranty or carepack.<BR /><BR /><BR />Cheers,<BR />Rune Tue, 05 Jun 2007 02:24:04 GMT Rune J. Winje 2007-06-05T02:24:04Z https://community.hpe.com/t5/networking/bad-duplexer-connection/m-p/4012568#M1640 When i bought the kit and put it in, I am having the exact same problem. Still unsolved on my 4350n. Mon, 04 Jun 2007 08:30:48 GMT https://community.hpe.com/t5/networking/bad-duplexer-connection/m-p/4012568#M1640 Lee Voight 2007-06-04T08:30:48Z https://community.hpe.com/t5/networking/bad-duplexer-connection/m-p/4012569#M1641 I think you will get a better response by posting in the printer forum.<BR /><BR /><A href="http://www.printertechs.com/tech/error-codes/error-codes-A-E.php" target="_blank">http://www.printertechs.com/tech/error-codes/error-codes-A-E.php</A><BR /><BR />Says it is essential to use the right angled power cord so there is a close fit of the duplex unit.<BR /><BR />Other than this I suppose it could be<BR />a) defective duplex unit (test on another printer of the same model - if possible - to make sure)<BR />b) bad connection, wiring or defective sensors in the printer<BR /><BR />If the duplex unit is defective - get it replaced. If it's new then it should be covered by warranty.<BR /><BR />If it looks like problems with the printer itself, then it's best to have a qualified service person look at the printer. Get a quote on price first - unless it is covered by warranty or carepack.<BR /><BR /><BR />Cheers,<BR />Rune Tue, 05 Jun 2007 02:24:04 GMT https://community.hpe.com/t5/networking/bad-duplexer-connection/m-p/4012569#M1641 Rune J. Winje 2007-06-05T02:24:04Z