I'm also seeing this in Ubuntu Natty (11.04) when printing _some_ pages from Firefox to a Brother HL-5250DN. Other pages work OK. This may or may not be related to a long-standing problem with this printer whereby the 2nd and subsequent jobs sent to the printer without a printer power-cycle or printer reset will result in garbled text.
I'm also seeing this in Ubuntu Natty (11.04) when printing _some_ pages from Firefox to a Brother HL-5250DN. Other pages work OK. This may or may not be related to a long-standing problem with this printer whereby the 2nd and subsequent jobs sent to the printer without a printer power-cycle or printer reset will result in garbled text.