HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 146)

EN Printer Messages 145
DUPLEX ERROR
CHECK DUPLEXER The printer has detected an
error in the duplexer. Open the lower left door,
press the green tab on the
right side of the duplexer, and
pull the duplexer out of the
printer. Check for and remove
any jammed media from the
duplexer. Reinstall the
duplexer. Turn the printer off
and then on. If the problem
persists, contact a local
authorized HP dealer or
service representative for
service.
EIO N
INITIALIZING An EIO accessory is
initializing.
N = EIO Slot Number
1 = Bottom EIO Slot
2 = Top EIO Slot
No action is required.
EIO N
NOT FUNCTIONAL Indicates an EIO card error.
The error is logged to the
event log with more detail.
N = EIO Slot Number
1 = Bottom EIO Slot
2 = Top EIO Slot
Turn the printer off and on to
reset the printer. If the
condition persists, replace the
offending EIO accessory.
ENGINE TEST The printer is running an
internal test to verify
operation. When the printer is
finished, the printer returns to
the ready state but remains
offline. Press G O to bring the printer
online.
FACE UP
OUTPUT BIN FULL The top output bin (face up)
on the multi-bin mailbox is full. Remove all media from the
top output bin on the multi-bin
mailbox to continue printing.
Message Description Recommended Action