If customer has a chargeback that wasn't deposit and comes pay cash, how do I record and fix in QuickBooks online?

There are two ways to record and fix chargeback in QuickBooks Online, office-mendezgro, and I'd be glad to show you how.

We can record a chargeback in two ways, see the sample below. Either way, a chargeback transaction will show as a separate item on your bank statement. 

• Process the transaction as a refund.
• Record it as a business expense (explained below)

To record the chargeback as a business expense:

1. Click + New in the left panel and choose Check.
   
2. Select the customer name that you used for the original credit card payment transaction.
3. Choose the checking account that your merchant account processor uses for your credit card transactions.
4. Delete the checking number. In its place, enter a note to indicate that this check is actually a chargeback, such as CB.
5. Enter the total amount of the chargeback item.
6. Clear the Print later checkbox.
   
7. For the Account, choose the account that you charge for the transaction.
8. Hit Save and close.

For more details about this chargeback works in QuickBooks Online, we can bookmark the following links below. On the same links, we can find ways how to respond as well as tips to prevent chargebacks:

Handle chargebacks and retrieval requests for QuickBooks Payments.

Prevent chargebacks and disputes with QuickBooks Payments.

Please get back to me if you need additional assistance regarding chargebacks, office-mendezgro. I'll zip right back to help you out. Have a good one.