Question about HP 640 Inkjet Fax Machine
I have a HP 640 fax machine. It freezes up after about a minute. I unplug it and it will start to work again but then freeze again. How do I solve this? The fax machine is only about 2 years old.
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Posted on Jan 02, 2017
Silent mode You can turn the sounds of the HP Fax (including ringing) on and off using the control panel button. You can also set all sounds to turn off on a daily schedule; for example, turn all the sounds off between 8 pm and 8 am. 1. Press Menu repeatedly until BASIC FAX appears and press OK. 2. Silent Mode will display. Press OK. 3. Select On-Daily and press OK. From: 00h To: 23h will display. 4. Enter a start time and an end time and press OK.
Posted on Jul 06, 2010
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