QB Issue Resolution:

File menu > Printer Setup > Reports. Make sure the default is not Fit to 1 page.

Then, when Printing, or Previewing, you can also control it here, for when you need something other than your Default.

Resolution for Issue 'When I print my income and expense report in classes it squeezes all of the classes on one page.How can I change that?' available: Yes (Solved).
Source: Intuit Community forum.

When I print my income and expense report in classes it squeezes all of the classes on one page.How can I change that?: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for control it here
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