Difference Between Blank Checks and Preprinted Checks

If you are setting up check printing for your business, one of the first decisions you will encounter is whether to use blank check stock or preprinted checks. The names are self-explanatory at a surface level, but the practical differences between the two go further than most people expect, touching on cost, workflow, fraud exposure, and flexibility.

What Are Preprinted Checks?

Preprinted checks come from the bank or a check printing company with your account information already printed on them. This includes your routing number, account number, and check number sequence, all of which are embedded in the MICR line at the bottom of each check before you receive them.

The check itself is ready to use. You fill in the payee, the amount, the date, and your signature, and you are done. No printer required, no software, no setup.

This is the format most people are familiar with from personal checkbooks, and it is still common in small business settings where check volume is low and convenience is the priority.

What Is Blank Check Stock?

Blank check stock is exactly what it sounds like: paper that is formatted and sized for check printing but arrives with nothing on it. No account numbers, no routing numbers, no check numbers, and no company name. All of that information is printed at the time you generate each check using check printing software.

When you print checks at home or in the office, you are almost certainly using blank check stock. The software generates the complete check including the MICR line, and your printer transfers all of it onto the blank paper in one pass.

The Key Differences

Security

This is the most significant practical difference between the two formats.

Preprinted checks arrive with your routing number and account number already on them. That means every sheet of preprinted check stock sitting in a drawer, a filing cabinet, or a storage room is a document that contains your banking credentials in a usable format. If a single sheet is stolen, the thief already has the information they need to produce fraudulent checks. All they have to do is fill in a payee and an amount.

Blank check stock has none of that information on it until the moment a check is generated and printed. A blank sheet taken from your supply is just paper. Your account details only exist on a check once it has been printed and is in your hands, which significantly reduces the window of exposure.

Check fraud is a genuine and growing problem for businesses of all sizes, and the storage risk associated with preprinted stock is one of the most commonly overlooked contributors to it.

Cost

Preprinted checks are more expensive per check than blank stock, particularly for businesses that go through significant volume. They need to be ordered in advance, take time to arrive, and often require minimum order quantities. If your banking details change, anything you have in stock becomes unusable.

Blank check stock is cheaper per sheet and available in bulk from office supply stores and online. You are not paying for pre-printing, and you are not locked into a fixed check number sequence or design. The main additional cost is the check printing software, though many platforms including Print Your Checks offer free or low-cost entry plans for smaller volumes.

Flexibility

With preprinted checks, what arrives is what you use. The layout, the fonts, and the design are fixed at the time of ordering. Changing your business name, adding a logo, or updating your address requires reordering.

With blank stock, you have complete control over what each check looks like every time you print. You can adjust the layout, update your business information, and switch between check formats and templates without reordering anything.

Workflow

For very low check volumes, preprinted checks are simpler. There is no software to set up, no printer to configure, and no paper alignment to verify.

For businesses printing more than a handful of checks per month, blank stock paired with check printing software is faster and more efficient. There is no risk of printing on the wrong check number in a sequence, no paper jam scrambling your numbering, and no need to track which physical checks have been used versus which are still in storage. The software handles the numbering, and every check is generated on demand.

When Preprinted Checks Still Make Sense

Preprinted checks are not obsolete. There are situations where they remain a practical choice:

• Very low check volume where the setup investment of a printing workflow is not justified

• Personal use where fraud risk from stored paper is minimal and convenience matters more

• Accounting software setups that are already configured around a fixed preprinted format and where switching has a real transition cost

For most businesses writing more than a few dozen checks a month, the security, cost, and flexibility advantages of blank stock are hard to justify avoiding.

A Note on MICR and Bank Compliance

One concern people sometimes raise about blank check stock is whether a check printed entirely at point of use will be accepted by banks. The answer is yes, provided the MICR line is printed correctly.

Banks do not distinguish between a check printed on blank stock and one generated from a preprinted base, as long as the routing number, account number, and check number are encoded properly in the MICR line using the correct E13B font and positioned within the required clear band at the bottom of the check. Print Your Checks handles all of this automatically, so every check printed through the platform is bank-compliant regardless of which blank stock you use.

Final Thoughts

Blank check stock and preprinted checks are two different approaches to the same task, and the right choice depends on your volume, your workflow, and how seriously you take the security of your financial documents.

For most businesses, blank stock paired with check printing software is the more practical, more secure, and more cost-effective option. For occasional personal use or very low-volume situations, preprinted checks still do the job.