I have an MX870 printer I'm using a iMAC. I can no longer scan, the scan options doesn't appear

[robnunally]

I have a MX870 printer. i am not able to scan. I used to be able to but now the scan option does not appear in my printer queue or in the Print Scan system preferences. I the printer is set up wirelessly. Can you help?

[Patrick]

Hi robnunally,

What version of OSX are you using?  To determine this, please click the Apple in the upper left hand corner and then About This Mac.  The version will be listed in the window that appears.