>>2950595It may be a B&W image, but the printer is color so you need to take that into account. If you're editing in the wrong color space for your printer, the results will be unpredictable. If you're soft proofing with the lab's profile, what you see should be more or less what you get. There are no secret tricks. You're viewing the print under good lighting conditions, right?
If soft proofing doesn't cut it, go to hard proofing. People create test strips in the darkroom by exposing different parts of a print for more or less time. Doing something similar with digital is easy. Make some edits and print multiple versions on the same paper you intend to use for the final print.
