How can i fix my gellere printer?
How do i change items/prices?
How can I rest my geller et 6600 after it's been unplugged ?
How can I mend my geller cash register , says no-cl?
more explanation geller SX-580?
Hello i have Geller SX580 and shows key op error .how disolve this problem?
geller 300 how do i get print receipt on?
geller ax100?
How can I change business name on Geller ET-6600 please?