Question about Canon PIXMA MP780 All-In-One InkJet Printer
I've had my Canon PIXMA MP780 connected at my house both when I've had two active phone lines and one active phone line -- currently I'm using one line. Nevertheless, with my PIXMA connected, my two line phone "thinks" the second line is off-hook all the time, vs. simply disconnected. I'm pretty sure the PIXMA is responsible. Any suggestions?
Does your Pixma multifunction printer have two lines in? for line 1 and line 2? Your active line should be in line 1 of course.
However, I do not think your printer is the source of the problem.
When the phone company turns off line 2 they can do it one of three ways depending on the generation of your local telephone system.
At the back of your home or in the office building there should be a telephone network interface box. Once section if open to the customer to do basic tests, the other is reserved an uses a security screw head to keep you out. You have either red/green and yellow/black or blue/blue-white and orange orange-white wires. Each color refers to tip and ring in telephone polarity. If these are reversed your phone will work but not well.
For your smart phone with two lines in, I'd check out at the box and switch the wires for black/yellow or orange orange-white. When these are reversed the 'polarity' is off but voltage would still be present. In your case, the smart phone MAY be reading the crossed wires and giving you a line open vs. a line empty/disconnected which is nearly the same thing.
If you still have the second set of lines connected to your phone disconnect them from the phone and then underneath the phone you MAY find a switch to hard set your phone for single line or double line.
Let me know how you make out.
Posted on Sep 06, 2008
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Posted on Jan 02, 2017
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