Re: [PARPORT] Could slow printing be due to parport?

Tim Waugh (
Sun, 8 Aug 1999 23:04:09 +0100 (GMT)

On Sun, 8 Aug 1999, Tim Sanders wrote:

> 5) When an A4 page takes several minutes to print, the "READY" LED on
> my printer flashes a few times at the start of the job, then
> repeatedly flashes once at precisely 60 second intervals (the LED
> stays on meanwhile). This suggests that someting is causing the data
> transfer to the printer to go sleep, and only wake up momentarily at
> 60 second intervals to transfer small amounts of data.

This smells like an IRQ conflict. Are you sure that you are using the
right IRQ line? Try removing all modules, then 'insmod parport; insmod
parport_pc; insmod lp' and see if that helps -- it won't use interrupts at
all and will poll the printer status instead.


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This archive was generated by hypermail 2.0b3 on Sun 08 Aug 1999 - 18:09:10 EDT