Question about VeriFone Omni 3700

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I have a verifone OMNI 3750 -- reuse

I have a old OMNI 3750 how do i crack and use it as a printer .

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You have to load a new application into it that will send anything you send to the serial port over to the printer.

Posted on Jul 02, 2008


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Posted on Jan 02, 2017


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I have an Omni 3750 that I bought from a provider. I have since switched providers and now my Omni 3750 reads "download needed no *go variable". My previous provider gave me several passwords...

Here's Some that you can Try: 1, 0000, 1234, 1701, 1739, 000000, 12345, 998877, 123456, 752036, 23378463, 45803155, 53664337, 1[Alpha][Alpha]66831, 6[Alpha]78727[Alpha][Alpha], Hope this help if not call us @ 775- 358-2922 : - )

Jan 19, 2011 | VeriFone Omni 3700

1 Answer

How do i change the ink in my verifone omni 3750 credit card machine?

It does not use ink, it used a thermo printer, need th thermo paper.

Aug 23, 2010 | VeriFone Omni 3700

1 Answer

Omni 3750 is only partially printing the recipts.

You either have bad paper or you printer head is going out. Firs, replace the paper. Thermal paper goes bad over time.

Jul 19, 2010 | VeriFone Omni 3700

1 Answer

The print out is so light that it's very hard to read on my Omni 3750

Could be old paper
Could be the printer head is going bad
Could be the paper cover is not pushing the paper firmly against th paper roll, Put a rubber band around the paper cover and see if that helps

May 04, 2010 | VeriFone Omni 3700

1 Answer

My enter key no longer works on my 2 year old Omni 3750. It seems like it is not making contact consistently. Everything else on the unit works very well.


Your keyboard is 2 year old means you didn’t get replacement Form Company however now you need to buy new one.


Mar 04, 2010 | VeriFone Omni 3700

2 Answers

I have a verifone omni 3750 . It has a continuous

The continuous beep indicates a break in the PED (pin entry device) connections on the main board or the PED fence is bad. It will need repair by a reputable repair facility.

Oct 06, 2009 | VeriFone Omni 3700

1 Answer


The keypad needs to be replaced as the green "Enter" key contact wears out due to repeated use. Common problem with these units. I can replace these cheaply.

Mar 26, 2009 | VeriFone Omni 3700

1 Answer

Add Credit to Gift cards with Verifone Omni 3750?

Get in touch with a gift card company or you processor (as many have programs) they will set you up with a program and cards and put the program in the machine.

Mar 10, 2009 | VeriFone Omni 3700

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