No printer showing in device manager

[aboosmiley1]

I had vista once I switch to windows 7 my hp deskjet f4100 series printer the operationg system won't run and the system no longer have printer physically showing in hardware

 

[rgd1101]

installed the driver?

http://h20000.www2.hp.com/bizsupport/TechSupport/ProductList.jsp?lang=en&cc=us&taskId=135&prodTypeId=18972&prodSeriesId=3177560

 

[tripledouce]

the printer os is not working?