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Home > Guides > Faxing warranty claims
Yes. Plenty of manufacturers, especially in appliances, tools, and auto parts, still run warranty intake through a fax number printed on the warranty claim form or in the warranty booklet. Faxing works when the number is current and your pages are legible: put the serial number on every page, keep your proof of purchase, and hold onto the confirmation page as your filing record.
Check the warranty claim form first: manufacturers that accept faxed claims print the number right on the form, sometimes alongside a mailing address and a phone line. If the form only lists mail, the product support page under "warranty" or "service" may list a fax intake number too. Calling support to confirm the number is worth it, because printed warranty booklets age and fax lines move more often than phone lines. Ask for the RMA or claim number during the call: warranty departments process numbered claims faster than unnumbered ones.
| Do this | Why |
|---|---|
| Put the model and serial number on every page | Pages get separated at the intake desk; the serial is the only way to reunite them |
| Attach a legible proof of purchase | The warranty clock starts at the purchase date, and this is the document that proves it |
| Describe the defect concretely | "Grinding noise in low gears from new" beats "defective": techs triage from your description |
| Use a cover sheet with your callback number | Intake staff call back about unclear claims; make it easy for them |
| Keep the confirmation page with your copies | Warranty deadlines run from the filing date, and the confirmation is your timestamp |
Two failures cover most of them. The first is an outdated fax number: warranty booklets live in drawers for years, and the intake line may have changed. A fax sent to a dead number "succeeds" on your machine but reaches nobody, so confirm the number by phone if the booklet is old. The second is unreadable copies. Proof-of-purchase receipts printed on thermal paper fade fast, and a faded fax of a faded receipt is worthless: scan or photocopy the receipt before faxing it, and increase contrast if the receipt is light. If the manufacturer bounces your claim for legibility, ask whether their warranty portal accepts a photo upload; many older intake desks quietly do.
For deadline pressure, yes: the confirmation page timestamps your filing the day you send it, while mailed claims wait on the postal system. For evidentiary strength, mail has the edge: you keep the pristine original receipt instead of sending a degraded fax copy. A good middle path is to fax the claim to meet the deadline, then follow up with clean copies by mail or portal upload if the warranty desk asks. In both Canada and the US, consumer protection rules give you warranty rights beyond whatever the manufacturer claims on its form: the manufacturer cannot disclaim away your statutory rights, but the claim still has to be filed properly and on time.
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