Interupt storms while printing

[Grover Lines]

I'm using a duron 1200, and every time I try to print, I get Interrupt storm
detected on "irq7: lpt0"; throttling interrupt source 

I've also tried every variation of lptcontrol(8) with no luck

Any ideas?

hellhound# vmstat -i
interrupt                          total       rate
irq0: clk                         578131         99
irq1: atkbd0                           4          0
irq7: lpt0                         83291         14
stray irq7                             1          0
irq8: rtc                         739979        127
irq10: sis0                       166862         28
irq13: npx0                            1          0
irq14: ata0                        69784         12
irq15: ata1                         3438          0
Total                            1641491        283