How to fax multiple pages at once is one document, one job: combine the pages into a single PDF, or load them together in the app's scanner, and send once, so the recipient gets them in order under one cover sheet and you get one report. How many pages can you fax at once is limited by the receiving machine's memory for a machine and by the plan's monthly allowance for an online service. This page covers multi-page sends, faxing an image, writing a fax that gets acted on, and the test fax that catches problems before they matter.
How many pages can you fax at once
An online service will send a document of any practical length as one job; what limits it is the plan's allowance, which is monthly, not per fax. Entry plans in the Fax Line Index print CocoFax at 60 pages a month, Fax.Plus, iFax and MyFax at 200 or 100 each way, Documo at 300, eFax and WestFax at 500, MetroFax at 550, with overage per page beyond. The receiving end sets the other limit: an old machine with little memory can drop a very long call, so a hundred-page chart is safer as two or three jobs, each with its own report. Number the pages in the document so a partial delivery is obvious to both sides.
How to fax an image
A photograph or a scan is sent like any page: attach the image file, or take it with the app's scanner, and the service converts it to a fax page. Fax is black and white at a fixed resolution, so a colour photograph arrives as a coarse grey image and fine detail is lost; a document with dark text on a light background survives, a screenshot of a form usually does, a photograph of a person rarely does. Crop to the content, straighten it, and check the preview the service shows before sending. For anything where the image itself is the evidence, email a copy as well and use the fax for the confirmation.
How to write a fax, and send a test fax to myself
Write the cover sheet for the person who will pick it up from a shared machine: recipient's name and department, sender's name and callback number, page count, and a subject that says what action is needed without disclosing anything sensitive. Put the action in the first lines of page two. Then send a test fax to myself: fax a page to your own number, or to a free service's test fax page, and check the header, the cover sheet and the image quality on arrival. It takes two minutes and it is the only way to see what your recipients see. Every plan includes the number to test with; a free sender will transmit the test page for nothing.
Questions people ask about how to fax multiple pages at once
Is there a limit on pages per fax?
Not from the service in practice; the monthly allowance is the limit. Very long documents are best split so that a dropped call costs one part, not all.
Can I fax a photo from my phone?
Yes, through the app's scanner. Expect a black-and-white image; documents fax well, photographs of people do not.
How do I test my fax without bothering anyone?
Fax a page to your own number, or use a vendor's test number. Check the arrival for header, cover and legibility.