In one example of the disclosure, account data that is indicative of marking agent credits attributed to a printer is stored. The printer is a printer connected to a supply of marking agent. A marking agent credit is to authorize consumption of a credit amount of marking agent from the supply according to a subscription. A print job is received from a sponsor computing device. The account data is adjusted to add credits in an adjustment amount that is a function of marking agent consumption to print the job. The job is sent to the printer for printing.