looing for large sheets for 3800

[stever]

is Red River the only choice for sheets larger than 17x22?  i want to be able to print close to the maximum size of the 3800, say 17 x 40 without trying to de-curl from a roll.  

i've used the Red River 17x25 Polar White (and a bought some of their 13x38 which i haven't used yet).  they also have 24 x36 which i could cut.  does anyone else have large sheets?

[David Sutton]

Harman have 17x25, but the gloss does have a tendency to curl at the edges after printing. I've found it less troublesome to flatten Ilford GFS, and have printed up to 17x50 without much trouble using the UDPS utility.

[BradSmith]

I recently purchased Epson Exhibition Fiber in 24X30 sheets at good prices from IT Supplies.

is Red River the only choice for sheets larger than 17x22?  i want to be able to print close to the maximum size of the 3800, say 17 x 40 without trying to de-curl from a roll.  

i've used the Red River 17x25 Polar White (and a bought some of their 13x38 which i haven't used yet).  they also have 24 x36 which i could cut.  does anyone else have large sheets?

[BradSmith]

David,
I had never heard of this utility.  Googled it and found quite a bit of info.   Thanks for mentioning it.
Brad

I've ........ printed up to 17x50 without much trouble using the UDPS utility.

[stever]

thanks, how do you flatten the GFS?

[David Sutton]

thanks, how do you flatten the GFS?

GFS seems to have a good "memory". Roll it up in a tube, take it out and it stays rolled, flatten it and it stays flat. I have a home made de-roller for when I am in a hurry- two pieces of polycarbonate and tissue paper around a 2 1/4 inch plastic water pipe, but I think it's better for the paper to cut it and just leave it overnight on the cutting table or on any clean surface under a sheet of plywood or whatever. Probably putting it reverse-rolled in a largish tube for ten minutes and then storing it flat for an hour or so would also work well.
I'm ambivalent about using a small diameter de-roller as I can often see compression marks across the paper afterwards, but these never show up after printing- my guess is that the paper swells slightly after taking the ink and this removes them. It would have been better to use 6 to 8 inch pipe I think. If I could think ahead a little better, cut the paper a day early, and not suddenly turn into a demon printer late at night, then things would be better.
I usually allow an extra 1 1/2 inches either end of the paper to allow for head strike as the paper exits, but I haven't had this occur since allowing the paper rest under a board for an hour before using it.