In most printing cases, we just have to make sure your Acrobat Reader is up to date. You can visit this article to see how to update it:

https://community.intuit.com/articles/1145913

If it’s doing the same thing, you can switch to another browser and print your invoices from there.

Resolution for 'Acrobat Reader issue: 'When I raise an Invoice each line when I print it out is on twice -Help !!' available: Yes.

The Acrobat Reader issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the Acrobat Reader issue yourself by looking for a resolution described in the article. If it is a complex Acrobat Reader issue or you are unable to solve the issue, you may contact us by clicking here or by using other Acrobat Reader support options.

For more information about resolving issues related to Acrobat Reader in Quickbooks/QBO or to get support for the issue 'When I raise an Invoice each line when I print it out is on twice -Help !!', click the link below: