Lexmark 21S0150 - E 321 B/W Laser Printer Reference page 11

The operator panel has 6 lights and 2 buttons.
•
Press and release
•
Press and release
•
Press and release
•
Press and hold
Front output
door
Ready/Data
Toner Low
Load Paper
Paper Jam
Error
Press Continue
Continue Cancel
to resume printing.
Continue
twice quickly to display an error code.
Continue
to cancel the job currently printing.
Cancel
until all of the lights come on to reset the printer.
Cancel
Front paper
support
Top
output
bin
Optional 250-sheet tray
Rear paper support
11
Tray 1
Manual
feed
Paper
guide
Operator
panel
lights