Thank you guys. Since we don't have Windex I found a cleaning kit with fluid that contains isopropanol. After three attempts the PGBK cleared after a deep clean. (For UK readers see www.printheadhospital.co.uk for more useful information)
So thanks once again to turbguy, The Hat and PeterBJ...
Thanks Guys for your responses. Have a basic problem, unlike my old S900 I don't seem to be able to remove the printhead so I cannot examine it. Also I find it difficult to understand how the printer could be printing normally one day and produce nothing the next day. Even if the ink was...
Have had my iP3600 14 months and it has been trouble free - so far. Yesterday it produced a low ink warning on the PGBK cartridge. I ignored this and tried to print a Word document. It made all the usual noises and produced a totally blank piece of paper. I changed the cartridge for a new...