From Kbank website FAQ but if one inserts the ATM card it should allow money to be deposited.
Frequently Asked Questions
Which banknotes are accepted via K-CDM?
Accept banknotes of 100 500 and 1,000 baht
Do I need to have ATM or debit card to deposit money via K-CDM ?
No, you can specify 10-digit account number instead.
Will the fee be deducted from the transfer amount ?
Yes, for example, you transfer 1,000 baht to interbank account which will be charged for a 10 baht fee. The recipient
will receive 990 baht net.
Can I deposit new banknotes via K-CDM ?
Yes, K-CDM accepts new banknotes.
Can I deposit money to current account ?
Yes, you can.