Ditto

I like the type used for your ligature, but I'm just not sure if really speaks printing to me. My mind keeps going to Kleenex, especially with the soft blue version, but that's not to say the color choice is bad. I like the last version you put up though! I'd just keep exploring and look at printing logos that are out there to get more inspiration. I don't think you really need "pizaz"

I keep trying to make out a shape with the two t's into something that relates to printing and/or copying, maybe that's what's throwing me off. I don't really have a negative critique, I really like the ligature and your kerning is nice and tight. Everything looks sharp, but it doesn't have any context in relation to print and copy.

look at this Colombian brand of a company that makes briefcases

I'm glad you didn't go with an obvious "printer" name with the CMYK printer symbol. I think Ditto is different enough to grab attention, but not so out there that people will be confused.
The double Ts definitely say "ditto" to me! And I almost see the "i" as a figure screen printing, not sure if you were going for that or not.
I think the color might be a little soft. I'm just thinking for signage and stuff.

Love this. The type style is fun and easily reproduced. I like the hash line drop shadow, and the softer periwinkle blue color in one of the other versions. Combine those two versions, add your subcopy, and you've got a winner. The retro-font and color remind me of mimeographs, which would be a very subtle tie-in for a copy shop.

Love it!
I like the flat option.
It looks friendly, I don;t think you need the tag (print & copy)
Explore some colors instead of the blue, it looks weak.

Best!