Here's a tip I just tried after trying KDE 4.8.3 in Mint Maya KDE. The printer-applet would appear in kicker even though I don't have a printer connected to computer. Maybe this is a bug that is fixed in doing one of the 521 updates, but I did the following:
In Dolphin file manager of your user (home) go to>View>show hidden files, and select .config and then select autostart folder and once you are in it,
Right click mouse>Create new> text file and name it:
open it with a text editor and add following entry:
save and reboot computer.
I found this help here:http://forum.kde.org/viewtopic.php?f=66&t=89686