Printer is getting error message 40 and 41 as well as EIO Error

Printer is getting error message 40 and 41 as well as EIO Error eio slot The EIO slot was primarily used to add either a network card or hard disk Your printer has a built in network interface and does not need a koko138 slot Find answers to EIO slot? from the expert community at Experts Exchange

koko138 slot hp jetdirect 615n internal print server in one EIO slot IEEE1284-compliant bidirectional parallel port, Fast Infrared port, 1 open EIO slot (

main demo slot Find answers to EIO slot? from the expert community at Experts Exchange  • Parallel, USB , 1 EIO slot Professional A2+ results with accurate, consistent and durable colour DJ 90 Q6656A DJ