HP Color LaserJet 9500N Printer

Error Codes and Support



Error Description:

The EIO accessory card in slot X has encountered a critical error as specified by YYYY.


1 Turn the printer off. 2 Remove the EIO accessory card. Reseat the card securely into the specified slot. 3 Turn the printer on again. 4 Insert the card into a different slot. 5 If the error persists, the EIO accessory card might need to be replaced.

Call for Assistance 844-755-3000