If your Pay Advice is a Customised Pay Advice, you would need to have the Report Writer Module to update the customised Pay Advice, or you could get a consultant to write or update the customised pay advice, or open a case in the Customer Portal so we can provide you with a quote or an alternative.
To update a logo:
Take a backup, Utilities, Backup Database.
Select Payroll, Reports, Transactions, Pay Advices.
In the Report tab, select a previous Period End Date and select Reprint Pay Advices.
Select Preview, and the previous pay period Pay Advices will display; select Close.
Select the tab Layout Options, and tick the selected Layout you wish to update the logo for.
Select Design Layout, and the Report Builder will open, displaying the layout.
Right-click on the current logo Image, select Picture, and browse to the location of your new logo.
Select File, Save.