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HP OfficeJet 250 Mobile Alll-in-One series
macOS 10.15 Catalina

Trying to update IP address but need serial number.  How to know if it's letter O or number 0?

1 REPLY 1
HP Recommended

@EthelMertz 

 

I normally do:

 

(a) Open a new/blank txt file,

(b) Copy and paste s/n to the text file,

 

Use font Courier, you can see the difference. For example

 

        Oor0.png

 

Regards.

BH
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