AI Overview Canceling HP Instant Ink doesn't always end cleanly — billing can continue for a cycle already in progress, refunds aren't automatic in most cases, and your cartridges stop working the moment the subscription ends. Most post-cancellation problems come down to timing (canceling mid-cycle instead of at the renewal date) or a charge that was already processed before the cancellation took effect. Checking your account's billing history and subscription status directly is the fastest way to confirm what actually happened. Quick Answer HP Instant Ink cancellations take effect at the end of your current billing cycle, not instantly — so a charge that hits right after you cancel is usually for the cycle already in progress, not a mistake. Refunds are not automatic. If you were charged after canceling or believe you were charged in error, you need to request a refund directly through your HP account or support. Once the subscription ends, Instant Ink cartridges ...