Greetings,
Your statement, "connect to the printer w/o having to reinstall the software every time" is helpful.
So reinstalling the printer allows you to print again, before the device loses connectivity after going to sleep again?
Printer is never powered off. This sounds like a network issue. Have a look at this knowledgebase article:
Canon Knowledge Base - Resolve a Printer Is Offline Message - Pixma
The article includes steps that typically help to restore connectivity. You may want to consider taking an additional step to avoid this behavior in the future. Some network devices come and go. Others like a printer are persistent. Your router is responsible for managing devices connecting to your network. It has a pool of IP addresses it manages. It assigns an IP when a new device makes a connection request. It reclaims an IP once a device "leaves" or is no longer communicating. This is referred to as lease time. It might be mistaking the printer's "absence" when it sleeps as being gone. There's a little more to what's happening behind the scenes, but we won't go into it.
It might be helpful to reserve or assign a static (IP - which doesn't change) to the printer. This is done on your router. It basically tells your router to give your printer the same IP, all the time, regardless of its frequency of use, being turned off, or going to sleep. This way your computer uses the same "path" to communicate. You don't have to be an expert to configure this, and it only has to be done once. The routers manual should include instructions for completing this task. If you need help finding it, provide the make and model of the router and we'll do our best to point you in the right direction.
~Rick
Bay Area - CA
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