“Is there a way to “print on check as” for a customer?”

In the PC Desktop program, it is the first line of the Bill To Address Block.

Preview this to see if that works. But you can Handwrite the check.

“How can I clear the customer credit, or link it to the […]

Resolution for 'company payment issue: 'How do I issue a refund to a customer whose payment came from an external processing company? The check needs to be written to the processing company, not the customer.' available: Yes.

The company payment 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 company payment issue yourself by looking for a resolution described in the article. If it is a complex company payment issue or you are unable to solve the issue, you may contact us by clicking here or by using other company payment support options.

For more information about resolving issues related to company payment in Quickbooks/QBO or to get support for the issue 'How do I issue a refund to a customer whose payment came from an external processing company? The check needs to be written to the processing company, not the customer.', click the link below: