Depositing a check at an ATM takes about two minutes once you know the process. Most major banks now use image-scanning ATMs that read your check directly, so you won’t need an envelope or a deposit slip in most cases. Here’s how to do it from start to finish, plus what to expect with hold times and potential hiccups.
Endorse the Check Before You Go
Flip the check over and look for the endorsement area, usually marked by lines or a small “Endorse here” label on one end. Sign your name exactly as it appears on the front of the check. Below your signature, write “For Deposit Only” followed by your account number. This restrictive endorsement ensures that if the check is lost or stolen, it can only be deposited into your account and not cashed by someone else.
A simple signature alone (called a blank endorsement) will also work at an ATM, but adding “For Deposit Only” is a smart habit, especially since you’re feeding the check into a machine rather than handing it to a teller.
Step-by-Step at the ATM
Use an ATM that belongs to your bank whenever possible. You’ll get faster access to your funds and avoid potential surcharges. Here’s the typical process:
- Insert your debit card and enter your PIN. Some banks also let you start a cardless transaction using their mobile app and a one-time code.
- Select “Deposit” from the menu, then choose the checking or savings account where you want the funds.
- Feed the check into the scanner slot. On modern envelope-free ATMs, you insert the check directly. The machine scans both sides and displays an image on screen so you can verify it captured the check correctly. If the image looks blurry or cut off, cancel and try reinserting.
- Confirm the amount. The ATM reads the check amount automatically using the scanned image. If it misreads the number, you can correct it manually on screen.
- Take your receipt. Always take the printed receipt or send a digital copy to your email if the ATM offers that option. This is your proof of deposit.
Some older ATMs still require you to place the check in a deposit envelope, write the amount on the outside, and insert the sealed envelope. These machines can’t scan the check in real time, so the bank processes it later when a representative opens the envelope. Envelope deposits are becoming rare at major banks, but you may still encounter them at smaller institutions or credit unions.
How Many Checks Can You Deposit at Once?
Most envelope-free ATMs accept multiple checks in a single transaction, though the exact limit varies by bank. Some machines accept up to 30 items (checks and cash combined) per deposit. If you have a large stack, you may need to split it into two transactions. The ATM will typically tell you on screen how many items it can accept at once.
When Your Funds Become Available
Hold times for ATM check deposits depend on two things: the type of check and whether the ATM belongs to your bank.
At your own bank’s ATM (called a proprietary ATM), federal rules under Regulation CC require the bank to make funds available by the second business day after you deposit. Government checks, like U.S. Treasury checks, and checks drawn on accounts at that same bank often clear faster, typically by the next business day. The first $225 of most deposits is usually available by the next business day regardless.
At an ATM that doesn’t belong to your bank (a nonproprietary ATM), the hold can stretch to five business days. That’s a significant difference. If you need the money quickly, it’s worth driving to your own bank’s ATM or using mobile deposit instead.
Keep in mind these are maximum hold times set by federal regulation. Your bank may release funds sooner, especially if you have a well-established account with regular deposits.
Checks the ATM May Reject
ATM scanners rely on magnetic ink character recognition (MICR) to read the routing and account numbers printed along the bottom of a check. If those numbers aren’t printed in magnetic ink, which can happen with checks printed at home or from non-standard sources, the machine may spit the check back. Other common reasons for rejection include an invalid routing number or a check that’s folded, wrinkled, or damaged enough that the scanner can’t capture a clear image.
If the ATM won’t accept your check after a couple of tries, you’ll need to deposit it with a teller during branch hours or through your bank’s mobile deposit feature.
What to Do If the ATM Malfunctions
If the machine freezes, jams, or swallows your check without completing the deposit, don’t leave right away. Note the exact time, the ATM location, and take a photo of any error message on the screen. If the ATM is inside or next to a bank branch, report the issue to a bank employee immediately.
If no branch staff is available, call your bank’s customer service line as soon as possible. The bank will investigate by reviewing the ATM’s internal logs and the checks recovered from the machine. Resolution typically takes 10 to 45 days, during which the bank may issue a provisional credit to your account while they sort things out. Having your receipt or photo documentation speeds up the process considerably, so always keep that proof until the deposit clears in your account.