To avoid causing the CIDFont+F1 problem for others (or yourself), the best strategy is prevention. When you create a PDF, especially for sharing or professional printing, follow these best practices.

Here is a comprehensive guide to understanding what these fonts mean, why they cause display errors, and how to fix them. Understanding CID Fonts in PDFs

These are not standard commercial fonts that you can download from a typography website. Instead, they represent a technical system used by PDF files to handle complex languages and large character sets. What are Cidfont-f1 through F6?

Sometimes, the simplest solution is to go to the source. If the PDF is from a colleague or a client, ask them to provide a new version, ensuring that all fonts are in the PDF during creation. This is the most direct way to get a clean, editable file that works on your system as intended.

Software bugs in PDF export routines can cause fonts to be improperly decoded. Instead of correctly embedding the font information, the exporting software creates a generic CIDFont fallback.

tx -cid Cidfont-f1.ps

Before attempting to fix the document, you can verify if Cidfont-f1 through f6 are causing the issue by checking the document properties in Adobe Acrobat Reader. Open the problematic PDF file in . Click on File in the top menu bar.

Transform your career. In 5 minutes a week.
~~
Get a free bi-weekly coaching email from a $750/hour career coach. Get proven strategies on how to unlock your career's potential, meet VIPs in your industry and turn your career into a rocketship.
Join the 1.2+ million professionals who are getting ahead in their careers, for free.
I'm not interested, let me read the article >
Get expert insights from hiring managers
×