Learn Hardcore Russian: Кассир сканирует товар и печатает чек. - The cashier scans the item and prints a receipt.

Товар is in the accusative singular case because it is the direct object of the transitive verb сканирует. In Russian, direct objects are marked by the accusative.

Why does товар look the same in the nominative and accusative?

Because товар is a masculine inanimate noun. For such nouns, the nominative and accusative singular forms are identical.

Which case is чек in and why?

Чек is also in the accusative singular case, serving as the direct object of печатает. Being a masculine inanimate noun, its accusative form matches its nominative.

Why are both сканирует and печатает in their present-tense forms?

They are 3rd person singular present tense imperfective verbs. The imperfective aspect here indicates either a habitual/general action or an action in progress.

How would you say the sentence if you wanted to stress that the cashier completed both actions?

Use the perfective verbs: • кассир отсканировал товар и распечатал чек
This emphasizes that the scanning and printing have been fully carried out.

Why are there no words for “a” or “the” in the Russian sentence?

Russian does not have articles like a or the. Definiteness or indefiniteness is inferred from context or added words (e.g., этот товар for “this item”).

What role does и play in the sentence?

И is a coordinating conjunction meaning and, linking the two verbs (сканирует and печатает) that share the same subject.

Where is the stress in кассир, and how is it pronounced?

Кассир is pronounced [kɐˈsʲir], with the stress on the second syllable: кассИр.

Can you omit кассир and start with the verbs instead?

Yes, if the subject is clear from context you can say:
Сканирует товар и печатает чек.
This is common in instructions or when the actor is understood.