OS change of printing method

OS according to the picture framing forum I am on have, recently changed their printing methods to something akin to a laser method that is causing problems for heat laminating os maps. OS have a page on this and will be putting an advisory note on maps in the near future http://www.magazine.ordnancesurveyleisure.co.uk/magazine/tscontent/general/os-custom-made-framing-advice.html
The effect of heat is the map lines become fuzzy. So much for progress. Has anyone noticed rapid deterioration of a new map yet?

That's just the custom maps.  Not a surprise they use that sort of print technology for one-offs.  The cost is much lower.

I guess they are still using conventional press methods for long runs of regular edition maps.  Cheaper for big runs.

Thanks for the input. That was my initial thought too, but the info coming up on the framers forum is that it is all OS maps, I have yet to see the printed warnings but am concerned.

It may well be for all printed maps; the cost of high quality laser printing has come down sufficiently that is is now competitive against offset litho for fairly high volume runs.

It also eases printer setup, since there's no plates to muck about with, or get registered, etc. you just change the data file that's being printed.

The OS advice page certainly refers to custom made maps.