Brother HL-3400CN Series User Manual page 132

You can set 4 attributes (Proof, Public, Private and Print only) for each
documentation through the printer driver. Documents which have the
Proof, Public or Private attributes set will be stored in the HDD and you
can re-print these documents whenever you like.
When you want to print a document which is stored in the HDD, you can
do collated printing of multiple copies of the document.
When the printer is idle and the optional HDD is installed, when you
press the FormFeed button, the printer displays the following messages.
Display Message Function
PROOF
PUBLIC
PRIVATE
The data sent will be printed and stored in the HDD.
Anybody can re-print the data from the control panel or the
browser.
When the HDD becomes full, or the number of documents stored
exceeds the document save limit number, the excess documents
will be deleted starting from the oldest ones.
Anybody can delete the data from the control panel or the
browser.
The data sent will be stored in the HDD. (not printed)
Anybody can re-print the data from the control panel or the
browser.
Anybody can delete the data manually from the control panel or
the browser.
The data and password sent will be stored in the HDD. (not
printed)
You can print the data by inputting the password you set from the
control panel or the browser.
You need to input the password you set when you want to delete
the data you stored in the HDD from the control panel or the
browser.
CHAPTER 4 CONTROL PANEL
4–61