发送了邮件后，没有打印，等待了1个小时，打印文件只有一个文档，没有超过10MB  Thank you for using HP's ePrint service. Your print job has been received and prepared for printing. If the job does not print, make sure: 1. The printer's email address was entered correctly 2. The printer is online 3. You have permission to use the printer 4. Total size of all attachments does not exceed 10MB 5. Total of 10 attachments or less Please note that a print job might be delayed by slow email delivery or a slow Internet connection. For additional ePrint troubleshooting information, see this support page: www.hp.com/go/eprinthelp HP Smart account owners can turn off ePrint job status emails at www.hpsmart.com. NOTE: HP Smart is not available in all regions. Sign into your account at www.hpsmart.com, select the “Change Settings” button for your printer on the “My Printers” page, enable the “Allowed” option in ePrint Access, and remove the checkmark from “Get notified when an ePrint is sent” option. NOTE: This option is not available in regions where HP Smart is not available.