Brother HL-1660e Series User Manual page 226

USER'S GUIDE
4–42
To cope with this problem, you can lock or unlock the panel switches
with your pass number as follows:
Display Message
LOCK=OFF
LOCK=ON
Even if you lock the panel switches, you can use the SEL, FORM FEED,
COPY, CONTINUE, RESET and TEST switches. You can only check the
settings of the other switches, but you cannot change them. To change
them, unlock the panel switches.
When you lock or unlock the panel switches as above, you need to enter a
3-digit pass number.
PASS NO=***
Change the number with the
with the SET switch. After you finish entering your 3-digit pass number,
the panel switches are locked or unlocked.
Note
Do not forget your pass number that you have used to lock the panel
switches. If you enter a wrong number, you cannot unlock them. The
display shows the following message:
INCORRECT!!
Auto Form Feed
If unprinted data remains in the printer's memory, the DATA lamp stays
on. You need to print out the remaining data with the FORM FEED
switch. See "FORM FEED Switch" in Chapter 4.
The auto form feed you can set in this mode menu allows you to print out
the remaining data without pressing the FORM FEED switch.
Lock Panel
Unlock the panel switches of the printer.
(Factory setting)
Lock the panel switches of the printer.
or switch and move to the next digit