Printer not Duplexing

I have a HP L7680 OfficeJet and it refuses to duplex print when page settings is set to 81/2 x 14"

Also, I am using windows 8 Professional

Please help!

Bob
rmgubalaAsked:
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Joe Winograd, Fellow&MVEConnect With a Mentor DeveloperCommented:
Hi Bob,
The HP Officejet Pro L7680 does support duplex printing on legal size paper. You may see this on page 33 of the User Guide in a section called "Understand specifications for supported media". Here's a screenshot of the relevant portion showing that the duplexer does not support legal media size:
HP7680 duplexer does not support legalYou may download the entire User Guide from:
http://h10032.www1.hp.com/ctg/Manual/c00863866.pdf

Regards, Joe
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DarinTCHSenior CyberSecurity EngineerCommented:
Some duplexing units are limited to Letter and do not work with legal
that should not be your case
the 7580 needs an additional piece but the 7680 has it included and should work
if you are able to duplex fine on standard size
make sure the paper size is set correctly when you try a larger size
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rmgubalaAuthor Commented:
The printer had worked fine while I was using windows 7.  Now that I have upgraded to windows 8 professional, it is no longer duplexing on legal size paper, which it did before.
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DarinTCHSenior CyberSecurity EngineerCommented:
if the OS is your only change it could also be a driver issue


1st I would try a delete and re-add to test the printer and tie the driver together with the new OS

2nd you can manually download and install a driver --- even though the 'packaged drivers in Win8 cover this unit"
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DarinTCHSenior CyberSecurity EngineerCommented:
@ Joe - that is valid.....

but he indicated it did work previously.....as we know things somethings work although not supported by manufacturer

so if that is the case ....... the OS change alone should not be the interference

be interested to see if an aftermarket driver could overcome the OEM shortcoming
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Joe Winograd, Fellow&MVEDeveloperCommented:
First, there's a HUGE mistake in my post...it should have said:

The HP Officejet Pro L7680 does NOT support duplex printing on legal size paper.

Omission of that word changed the sentence's meaning to the exact opposite of what I had intended. Seems that Darin got my intended message, though. :)

Second, thanks to Darin for pointing that it worked previously...I missed that comment in Bob's second post. I don't know how the duplexer could have worked in W7. I think it's a hardware limitation, not software or driver, but I could be wrong about that. I have a Brother Multi-Function Center (MFC) with the same limitation in some (but  not all) of its operations, i.e, duplex works for letter size but not legal size (while simplex works for all operations).

Re Darin's comment that "the OS change alone should not be the interference", that I disagree with. It's certainly possible that drivers for W7 will not work with W8...or, at least, not work with all functionality. So given that Bob said the device does perform duplex legal-size printing in W7, it wouldn't surprise me at all if the W7 driver doesn't carry over that feature (and others) to W8. But I'm really surprised that it prints legal-size in W7 when the manual clearly states that it doesn't support it. Very strange! Regards, Joe
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hdhondtCommented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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