Easy. Go to BenefitsWeb - that's the place where you made your 2022 Health Care & election benefits.
Go to the Pension tab at top of page. Click "Model Benefits" on the side to play 'what if' for date you leave as that changes amount due based upon your age and years of service. Be sure to select at bottom to see all "Forms of Payment" by selecting 'see all forms of payment' on the drop down option, this shows you lump sum, or different month payments and options that are yours.
Keep in mind this plan ended on 12/31/2012 but if you have years of service that qualify based upon your hire date - here is where you will see the money and options.
If you have long tenure and you are not going to this site you are crazy. You should see what you are legally entitled to if you leave or retire. This is paid by Xerox, but, guaranteed by the Federal Gov with the ERISA Act and Pension Guarantee Board.