0) os is ubuntu 12:10, 8 gig ram

1) driver is the one recommended by ubuntu - samsung unified printer driver

2) printer is samsung black only laser printer circa 2012 - model ml2545

3) i usually can print on first try from web - mostly text

4) however, multiple attempts may or may not work. all looks good, the
   driver takes in multiple pages, thinks, the printer icon shows up,
   then goes away. there seems to be nothing in the debug from the printer
   icon under settings.

5) if i fiddle with the process a couple of times, it may finally print.

6) how do i debug this problem since i don't know if the problem is with
   the browser (firefox), the driver, the printer.

7) i was trying to print a recipe with pictures from the web, no go.
   so converted to a file using firefox print to file option. the
   resulting pdf does not print.

8) usually printing code gives me no issues.

9) all software is up to date

10) it has been acting this way for months, don't print much

your help is greatly appreciated

david

-- 
David López
Software Engineer