8550, 8550N, 8550DN, 8550GN, 8550MFP Printer

Message Description Recommended Action
LOCK TONER LEVER
MAILBOX X
OUTPUT BIN FULL
MAILBOX
COMM ERROR
CHECK CABLES
AND CYCLE POWER
MAILBOX NOT
ATTACHED
The blue lever inside the clear
door is not locked.
A mailbox on the multi-bin
mailbox is full.
X indicates mailbox 1 through
8.
Indicates a communication
error between the multi-bin
mailbox and the printer.
The multi-bin mailbox is not
correctly attached to the
printer.
Open the front door of the
printer, open the clear door,
and swing the blue toner lock
lever to the right. Remove the
toner cartridge, and then
reinstall it, making sure the
cartridge is all the way in the
printer. Swing the blue toner
lock lever to the left until it
clicks, and then close the
clear and front doors.
Remove all media from the
mailbox to continue printing.
Verify that the communication
and power cables are
connected. Press GO to
continue printing. If the
message persists, turn the
printer off and on to reset the
printer. If the condition still
persists, contact a local
authorized HP dealer or
service representative for
service.
Push the mailbox up against
printer. Verify that the wheels
on the multi-bin mailbox are
not hitting tray 4 and
preventing the multi-bin
mailbox (optional) from
attaching to the printer.
EN Printer Messages 149