Digital BW, The Print

MIS cfs quad system:
I havent used my 1160 in quite a while and I suspect that is the 
reason for the 'black' ink clog. 
I placed a few drops of Windex on the parking pad and let it sit for 
a number of hours.
I have tried the properties>utility cleaning cycles and the hardware 
(printer button) cleaning cycle to no avail - and also to let it 
stand for hours. 
I have also printed the MIS 4 col purge and the MIS black purge 
patterns. 
Now I'm thinking to try the t-shirt with windex under the head trick -
anyone care to go over this with me ?
thanks
Frank