To find a guide for HP printer error codes, start by visiting the official HP support website. Navigate to the support section and search for your printer model. HP provides comprehensive documentation, including user manuals and troubleshooting guides, which often contain detailed explanations of common error codes. Additionally, you can access online forums and communities where HP users share experiences and solutions for various printer issues. Some third-party websites also offer guides and tutorials for troubleshooting HP printer error codes. Always ensure to refer to reliable sources and official documentation for accurate information and effective solutions.