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06-16-2012 08:09 AM
HP Officejet Pro Plus 8600 Purchased 05/15/12. Connected FAX, now landline phones not working. Desktop connected directly to printer. Landline phones not working after disconnecting FAX cable from printer.
06-22-2012 05:52 PM
Look at the 'setup fax' section of this to make sure things are hooked up correctly for a serial or parallel phone system:
I am a support engineer for HP.
If the advice resolved the situation, please mark it as a solution. Thank you.