This happens because every printer has its own expected paper orientation — which way the sheet faces and which edge feeds first — and it's easy to load check stock the wrong way, especially if you're used to a different printer.
How to fix it
- Take one sheet of your check stock and mark the front with a small pencil tick in a corner you'll remember.
- Print a plain test page and note exactly how the paper was oriented in the tray — face up or face down, which edge went in first.
- If the result printed on the back (the unmarked side), flip the stock over in the tray — don't rotate it, flip it — and print again.
- Once you find the orientation that prints on the correct side, note it somewhere (a sticky note on the printer works fine) so you don't have to re-discover it next time you load check stock.
This is purely a function of your specific printer model, not your check software — the same software settings will produce correct results once the paper orientation in the tray matches what that printer expects.
