HP LaserJet 4345 Multifunction Printer series - Manual (Page 231)

Light Explanation and solution
Off ● The MFP might be in sleep mode. Press any button on the
control panel.
● The accessory is not receiving power. Turn the MFP power
off. Check that the accessory is properly seated on and
connected to the MFP, without any gaps between the MFP
and the accessory. Turn the MFP power on.
● The accessory might have been disconnected and
reconnected while the MFP power was on. 66.12.99
REINSTALL OUTPUT DEVICE appears on the control-panel
display. Reconnect the cable on the accessory.
● The job might have stalled between the MFP and the
accessory. Processing Job appears on the control-panel
display. Turn the MFP power off and then on.
Replacing accessories or accessory components
If you are unable to resolve problems that are indicated by the 3-bin mailbox or stapler/
stacker accessory lights, contact the HP Customer Care Center. (See
HP customer care .) If
an HP Customer Care Center representative recommends replacement of the 3-bin mailbox,
the stapler/stacker, or the staple cartridge, see
Ordering parts, accessories, and supplies
and Part numbers for information about ordering a replacement.
● For the steps to replace the entire 3-bin mailbox or the entire stapler/stacker, see the
install guide that came with the accessory.
● For the steps to replace the staple cartridge, see Loading staples .
ENWW Understanding accessory lights for the 3-bin mailbox and stapler/stacker 217