HP LaserJet Enterprise, HP LaserJet Managed, HP PageWide Enterprise, HP PageWide Managed - Configuration Guide using the Embedded Web Server (EWS)

Table 7-1 Remote Control-Panel FAQs (continued)
Question Answer
green angle brackets are shown in all corners of the display indicating the screen is
being shared.
● Launch Private Remote Control-Panel: This launches a private remote control panel
where the printer's control panel is "blacked out." The person at the device cannot see
activity from the remote session and will only see a black screen with a message that
the device is being controlled by a remote user. No key presses or other images will
be visible at the device.
Which feature is used to hide typing
passwords for the Remote Control Panel?
HP recommends using a Private Remote Control-Panel session so that key presses are not
visible on the local device screen.
Which programming language is used for
the Web Application?
The remote control panel application is written in JavaScript. It communicates button clicks
and mouse movements from the application running in the browser to the device.
What technology is used for streaming of
the contents of the control panel?
The application polls for changes to the full-screen image on the device and receives PNG
images to display to the user when the control panel image changes.
What happens with a logged-in Admin if the
device loses its network connection?
For a regular remote control panel session: The state of the device will not be aected. The
current user will still be logged in.
For a private remote control panel session: The current session will be reset (including
logging out the current user) and the local device control panel will show the home screen.
What happens if a private remote session
loses the connection? Will the device stay in
black-screen-mode?
No. The current user will be logged out and the device control panel will be reset to the
home screen.
ENWW Troubleshoot printers 271