White lines and low quality printing with a new Brother HL-3170CDW laser printer

shasoosh

Distinguished
Oct 28, 2008
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Printer model: Brother HL-3170CDW (Laser printer)
Firmware version: 1.01
Connection: WiFi
Current OS: Win 10, OS X Sierra

I just hooked it up and all the prints I've tried have vertical & horizontal grayish \ white lines.

I've attached an album: Printer

The first image is the actual sky image, the second is a print of those sky. The other two are demo prints, you can clearly see vertical lines on all of them. On an actual image print it looks a lot worse than on a print of a solid color like in the demos.

So far I tried installing new drivers, different OS's, calibrating color from the printer and driver, changing print quality from the driver.

Can anyone tell me where's the problem?