"Dmitry Timoshkov" dmitry@baikal.ru writes:
Why does wineps complain that it couldn't load "%WINEPREFIX%/generic.ppd" specified in the config in the case WINEPREFIX is not set in my environment?
Because WINEPREFIX is not set of course. The solution is not to set it unconditionally, but to fix your config and/or wineps to do the right thing when WINEPREFIX is not set.