You are downloading the Custom Print XAP file v18.104.22.168 for Windows Phone. Custom Print is a free and useful Productivity app: Thanks to "Custom Print" app you can print text and pictures with bluetooth or Wifi from Windows Phone 8 on CUSTOM S.p.A. printers. This application ... You can now download the offline XAP file to install & try it.
Download Locations for Custom Print 22.214.171.124 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Custom Print XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.