You'll have to use compatible checks when printing, deb3756.
Then, correctly align your new printer to print checks.
Here's how:
- From the File menu, choose Printer Setup.
- At the Form Name drop-down choose Check/Paycheck.
- For the check style, select Voucher check.
- Click Align on the right.
- Print a sample and compare it to your pre-printed checks.
- Using the grid on the sample adjust the horizontal and vertical settings; then click OK
- Click Align again and Print another sample.
- Compare the sample to your paycheck stock and adjust the alignment again as necessary.
- Repeat steps 4 through 8 until you have the alignment perfect.
Please check this article for the complete steps: Align Checks, Invoices, And Other Forms.
I've added this article, Print paychecks for the detailed steps. It provides several ways on how you can print checks in QuickBooks Desktop.
Feel free to let me know if you need help. I'll be right here to assist.