What does dava sa papier do tlaciarne naopak mean?

It likely means: “How do I put paper into the printer the wrong way / backwards?” The phrase is asking about inserting paper into a printer upside down or with the wrong side facing the print path.

What it suggests

• In everyday use, it can refer to loading paper the wrong way around.
• In printer instructions, it often means the side meant for printing should face the correct direction, depending on the tray or manual feed slot.

Simple translation

• dávať sa papier do tlačiarne naopak = “to put paper into the printer backwards”
• More natural English: “to load paper into the printer the wrong way”

Practical note

If this came from a printer manual or a help forum, the intended fix is usually to reload the paper with the correct side up or follow the printer’s feed direction.