I cannot get the scanner working with my iMac. It is a lexmark 4350 'all in one' printer. The printer works but the scanner doesn't.

Try Image Capture in you Application Folder.

see > Eight amazing Image Capture tricks | Macworld

or > How to Scan in OS X Using Image Capture - Switching To Mac

and perhaps > Mac Basics: Using a scanner

Check to see if your all-in-one scanner is listed as working with,

Vuescan

http://www.hamrick.com/

you say no application

the way I normally scan is that I go into system preferences

click print & scan

there on the lidt of pritners he show my samsung all in one laser pritner thingy

then I click on the Scan in the right tabcontrol click open Scanner

that bring up what I assume to be a samsung gui dialog where I can preview and set dpi and the likes

then when I click scan it scan and send the image to Preview (the app called priview)

have you tried it that way rather then trying to access the scanner from other apps ?

back in the day scanners used a system called TWAIN which was not IP network related prob not even usb

some old apps or strange apps could still be looking for a wired system using that interface

RIcardo,

According to the VueScan website your scanner is supported with VueScan, but you need to go and download the Lexmark Image capture software from the Lexmark website, first.

http://www.hamrick.com/vuescan/lexmark_4300_series.html