Control panel messages for the device – HP C4779x User Manual
Page 22
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Control Panel Messages for the Device
Control Panel Messages for the Device
The following table explains messages that might display on the printer’s 
Control Panel. Messages are listed in alphabetical order.
Printer messages
Message
Description
Recommended action
CHECK STAPLER 
DEVICE
alternates with
CLEAR JAMMED STAPLE
A staple jam occurred.
Clear the staple jam. See 
page
EXTERNAL DEVICE 
INITIALIZING
The external device is initializing 
or recovering after clearing a jam 
condition.
No action required.
OUTPUT BIN FULL
alternates with
CLEAR PAPER FROM 
FACE UP
The bin-full sensor in the left 
Face-up Bin has been reached.
Empty the Face-up Bin.
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