Operation Manual, User's Manual
Table Of Contents
2-66
COPIER►OTHER FUNCTIONS
SECURITY REINFORCEMENT FUNCTIONS
PADDING UNAUTHORISED COPY PREVENTION DATA 
(HIDDEN PATTERN PRINT)
Characters to prevent unauthorised copying such as pre-set or customized text are placed as invisible characters in a 
background pattern.
When an output sheet with a pattern print is copied, the hidden characters will appear.
• "Hidden Pattern Print" is a function provided for the purpose of deterring unauthorised copying. It does not guarantee the 
prevention of information leakage.
• Text may not be completely hidden on an output sheet with a hidden pattern print under certain machine conditions. In 
such a case, adjust the contrast by selecting the [Hidden Pattern Print Setting] from the "Settings (administrator)".
• When copying an output sheet with a hidden pattern print, the hidden pattern may not emerge depending on settings other 
than "Hidden Pattern Print".
• The hidden pattern may not emerge on copies with certain types of devices or under certain setting conditions used to 
copy an output sheet with a hidden pattern print.
To set a Hidden Pattern Print:
In "Settings (administrator)", select [System Settings] → [Security Settings] → [Hidden Pattern Print Setting].
1
Place the original.
Place the original in the document feeder tray of the automatic document feeder, or on the document glass.
► AUT
OMATIC DOCUMENT FEEDER (page 1-111)
► DOCUMENT GLASS (page 1-113)
2
Tap the [Others] key, and tap the [Hidden Pattern Print] key.
AB
CD
AB
CD
DO’NOT COPY
DO’NOT COPY
AB
CD










