IBM 1800409-001A - Manual (Page 111)

Illuminated when manual feed is selected using the
Tray Select key.
Illuminated when the media in the active cassette has
been defined to be paper.
Illuminated when the media in the active cassette has
been defined to be transparency.
All the LEDs, except Data and Message, are associated with
function keys on the panel.
The Function Keys
The printer control panel has eight function keys. The top row of
keys (Online/Offline, Tray Select, Media, Cancel) is for frequently
used operations. The bottom row of keys is used to navigate menus,
select options, and enter values.
NOTE: When you’re in configuration mode (that is, if you have
entered the menu by pressing the Menu key), the printer
ignores the Tray Select, Media, and Cancel keys.
Pressing the Online/Offline key once takes the printer
off line, making the printer ready for configuration.
When the printer goes off line, communication ports
close and accept no new data. Although jobs continue
to compile and print using data already received, a job
may be interrupted when the printer goes off line,
causing it to wait for the rest of the data before finishing
printing. When the printer is off line, pressing this key
Chapter 4
P r i n t e r C o n f i g u r a t i o n 4 - 5