Code :

Code: 991
Description: <device> System Card Failure
Remedy: This error message indicates that a device has detected an equipment check in its system board. Note: <device> can be one of the following; • Duplex option • Tray x (where x=1,2,3,4 or 5) • Output bin x (where x=1,2,3, or 6) Note: This message is used for single bin output devices. • Output bin x to y (where x=1 to 5, 2 to 6, or 6 to 20) Note: This message is used for multiple bin output devices. Go to the service check for the device indicated.