I've got 2 Toshiba printers - eStudio 555 and eStudio 2830c - that 3 days ago, just started printing slowly. I read through a bunch of the 'slow print' posts and none of them solved my problem.
My 2003 print server is built on VMWare with nearly 100 printers on it. All printers (including other Toshibas) print fast and fine.
I changed just about everything I could think of in the network settings on the printers and even updated the drivers - no go.
On the 555, I changed the driver to an HP LJ 6P and it prints like lightning.
I haven't changed the driver on the 2830c, yet, but I'm going to.
The only other thing I can think of is possibly updating the firmware on the printers. Any other ideas?