LetterAgent
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A fax test page is a short throwaway page sent to check that a number works before the real document goes out. Send one before any important first fax, since it catches wrong numbers and dead lines while the stakes are still low.
Almost nothing, and that is the point. A test page usually says "This is a test fax" plus your name, the date, and a request to confirm receipt, sometimes with a phone number or email for the reply. Some people add a few lines of small print and a simple shape, so they can judge readability at the far end. There is no standard form, and no office expects a particular layout. The test page is not a document in its own right; it is a probe.
Keep private details off it. A test page can sit in a machine tray, get filed by mistake, or land on the wrong machine if the number is wrong, which is exactly the failure you are testing for. Your name and a callback number are enough. Never put account numbers, health details, or signatures on a test page, since the whole idea is that it might go astray.
| Test page element | Why it helps |
|---|---|
| "Test fax" label at the top | Stops the recipient filing it as a real document |
| Your name and callback details | Lets them confirm receipt and reach you |
| Date and time | Shows whether delivery was prompt or delayed |
| A few lines of small print | Reveals whether fine text survives transmission |
| Page count note ("page 1 of 1") | Confirms nothing was cut off or duplicated |
A successful test proves three narrow things: the number connects to a fax device or inbox, the device answered and accepted a page, and the page was readable enough for the recipient to confirm it. That is genuinely useful, but it is not a guarantee. It does not prove the machine belongs to the person you think it does, it does not prove anyone will read your real document promptly, and it does not prove a long fax will transmit as cleanly as a one-page test.
The most common failure a test catches is the wrong number. A single transposed digit can route your pages to a stranger, and a test page limits the damage to a harmless sheet instead of a medical record or a contract. The second failure it catches is a dead or changed line: a number that rings out, stays busy, or answers as a voice line. Finding that out with a test page means you can call the recipient and get a corrected number before a deadline, rather than after one.
Send a test page when any of these apply: it is your first fax to this number, the document is sensitive or hard to replace, the number came from a third party rather than the recipient directly, or a previous fax to this number failed. In those cases the extra few minutes are cheap insurance. Call or message the recipient after the test and ask them to confirm they got it, and ask whether the print was clear. If they never confirm, treat the test as inconclusive, not as a pass.
You can usually skip a test when you fax the same number regularly, the recipient just confirmed the number to you, and the document is routine. Even then, a failed confirmation on the real fax should prompt a re-check, not a blind resend. Resending to a wrong number twice does not make it right, and it doubles the exposure of a private document.
Work through the simple causes first. Re-read the number digit by digit against the source, including the area code and any leading digit your sending method needs. Check whether the recipient's office is open, since some machines are switched off or set not to answer outside business hours, and some shared lines only accept faxes when a person switches the line over. If the test reaches a voice line, you have the wrong number or the recipient's line is not set up for fax at all.
If the test goes through but arrives blank, black, or cut off, the problem is usually on the sending side: a page fed upside down, a scan that is too light or too dark, or a document wider than the page. Fix the source file and test again with the same short page before sending the full document. A test that fails twice with different symptoms is a sign to call the recipient and confirm the number and their receiving setup, rather than trying a third time and hoping.
LetterAgent fax is available in testing for US and Canadian fax numbers only, with no inbound faxes. You ask your AI assistant, approve the exact quoted total after the page count is verified, pay once through Stripe, and the fax is sent. For a first fax to a new recipient, a test page first is still the careful move, even when you send through an assistant rather than a machine.
Ready to fax it? Fax with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and it is sent.
LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.
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