The ports are not present by default. Others, like Windows 9x, do not. Adding a new driver is also required when a new port is added. Manually selecting the devices from a list may result in an incorrect configuration. Most modern computers should support ECP mode.
Most dongles are likely to work.
Printers Most printers are likely to work. Hewlett-Packard Deskjet 710C Reported by customer. Hewlett-Packard Deskjet 722C Reported by customer. Epson 750 printer in bidirectional mode Reported by customer. Reported by customer.